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        Switchblade Sickle Bar Mower
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1.               Switch Blade S 8 6   Service Manual  02 05    2005 Alamo Group Inc  Section 2 6       CUTTER BARA    DJUSTMENTS                Lead Adjustment       The lead angle is how far the outer end of  the cutter bar runs forward ofthe inner end    Thelead angle ofthe cutter baris presetat  the factory at 3 6  per foot  The lead may be     changed it desired  To reduce the lead  move the  washers from the outside ofthe cutterbar support  plate in between the rubber strike pad and plate   See Figure 3      Pitch Adjustment    ThePitchangleis helevelofthecutterbar  irontlorear or what angle the blade isto level front   to rear  Different cuting conditions alow you to  change the pitch of the knife by   15  10   1S or  love     Move to hereto  dosta lend  Move        hereto    bf                      The pitch is set by loosening the three          mounting bolts that connects the skid shoe    Break A Way assembly to the carriage arm as  sembly  See Figure 4  amp  4A   The two lower bolts  holes are slotted  this will allow the cutter bat to be  tipped up  15       down 15  in tront  Sat Pitch at  what works best for your application     Cutter Bar Alignment   Alicutingisdoneby the krifepassing over  ledger plate in the guard  t is vital that these  sections are paralel with the plates andin contact  with them   See Figure 5      The knife should move smoolhy in the  cutterbar guides and every knife section should    uem  o e          Slotted Holes       Figure 4          r
2.             SWITCH BLADE  5 ft   amp  6 ft  Sickle Bar Mower    PIN 029826125       Published 02 05          An Operator s Manual was shipped with the equipment in the Manual Canister   This Operator   s Manual is an integral part of the safe operation of this machine  and must be maintained with the unit at all times  READ  UNDERSTAND  and  FOLLOW the Safety and Operation Instructions contained in this manual before  operating the equipment  If the Operator s Manual is not with the equipment   contact your dealer or Alamo Industrial  830 379 1480  to obtain a Free copy before  operating the equipment                 ALAMO INDUSTRIAL  1502 E  Walnut   Seguin  Texas 78155   830 379 1480         2005 Alamo Group Inc    TO THE OWNER OPERATOR DEALER    Al implements with moving parts are potentially hazardous  There is no substitute fora cautious  salo mindod  operator whe recognizes Ihe potential hazards and ollows reasonable safely practices  The manufacturer has  designed this implement to be used wih al its safety equipment properly attached to minimize the chance of  accidents     BEFORE YOUSTARTI  Read ino safety messages on the implement and shown in your manual   Observe he rules of safety and common sense        A DANGER    FAILING TO FOLLOW SAFETY MESSAGES AND OPERATING INSTRUCTIONS CAN CAUSE  SERIOUS BODILY                   WARRANTY INFORMATION     Read andunderstand he complete Warranty Statementloundinthis Manual  Fil outthe Warranty Registration  Formin fulland ret
3.       Bar Tilt Cylinder Repair     1  The Curb Litt Cylinder is a triple stage cylinder with two ports  one on the base end and one on the  rod at the rod end   See Figure 42   The Curb Lift Cylinder connects to the carriage arm and there are  two hoses that are connected from the control valve  The top hose  Base end  wil connect to a Tee and  then connect to the Bar lit Cylinder  See Figure 1  as the two cylinders will react together when the  Curb Lift cylinder is activated  See Figure 1  amp  43   The cylinder has a tube inside it that has rod inside  of it  this is how this cylinder works as a triple stage cylinder when extended outward    2   Clean Tractor and Parts  the tractor and all components including hose must be cleaned and tree  of anything that wil contaminate the hydraulic system  Keep all parts coated with      to prevent rust   3  Secure Tractor  Secure the tractor so as it can not be started unless you are ready for i to  Set the          tractor parking brake   4  Curb Lift Cvinder Removal  Remove cylinder  hosse at ne cider usa pan to cash any spied      ASI     wie taking hoses lose  Cap the hoses and plug tne         cylinder port after disconnecting hoses   See Figure   D    5  Remove ihe two cylinder mounting pins by Dual Ports  removing the cotter pins  See Figure 4  and then puling located in this cylinder   the pins  Inspect the cylinder to make certain itis clean           in the barrel at the base end a  mako certain al tools and the work area a
4.       avoid serious injury  It is our belief that trained operators can avoid painful experiences by           reading and adhering tothe folowing recommendations  As a repair technician do not   modify this product in any way that will make this unsafe for the operator or anyone else around IL   WORK SAFELY  Most af the repairs can be performed by one man  but some of the parts  are very heavy  GET HELP IF YOU NEED IT  Use the right tools for the job  A floor jack ar hoist will  be a big help  but make sure they are in safe condition  Keep the floor free        oil and grease   so you dant sip  WEAR SAFETY GLASSES  SAFETY SHOES AND GLOVES and make sure your   helper does too    Tris machine can be dangerous i not operated salty  Do nat operate tunti you have read         understand al safety and operation recommendation in Operators  Assembly  Sence manuais   pangen naw the equipment  leam to operate i correctly in a sal  level  open secure area belore           1 operate this unit in tighi places ar around athe objects or people    A When stopping  shut otf he mower  disengage PTO  Engage Tractor Parking brake  Shut ott           engine and be certain al rotating ar moving mechanisms have stopped betore ampli to get  near mower  Maka certain that actors secured in a way that it can        be started I you are ready  for t lo  Tris could include remave key and put tn a secure          Disconnect                       which  shouid be dane betore any repairs or serve    stare
5.    Description tem  02982077 Valve Asy  W  Fittings 21  02974306 Valve Asy  WIO Fittings     22    1  02976934 2     UnicadPlunger 23    2  02866545 2 PoppetAsy  24   3  02966646 1 Spacer 25   4 02976933 2 Spool 26    5  02966648 4 Seat Asy  2    6  02966649 2 PlugAsy  28    7  02966550 2 PlugAsy        8  02966651 2 Bushing         9  02966652 2 Lockout Spring        10  02968653 1 CapAsy  32    11  02966654 1 PlugAsy          12  02976932 1 Body       13  02976931 1 Poppet 35    14  02976930 1 Seat 36    15  02966657 4 O Ring   16  02968658 2 Retaining Ring       17  02965658 AR Washer   18  02968660 AR Washer         19  02966661 AR Washer   20  02966862 1 Washer          Two Spool Control Valve Repair     PartNo     02976946  02976945  02966669  02976944  02976943  02976942  02976941   02976940  02976939  02976938  02976937  02976936  02976935  02966671  02976957  02968850    03200284    02965166    02982479             por    Description    Cap Asy   Spring   Spring   Plug Asy   Washer  Washer   Ball   Spring      Spring   Gone   Spacer  Adapter         Washer   Wiper Seal  Handie Kit  Adapter Straight          6MJ  Adapter Straight         4     Adapter  Tee  6FUX EMJ  EMI  Adapter Straight  AMB GFJX    The two spool valve assembly shown  See Figure 29  amp  30  show the components that are  replaceable in the two spool control valve  Study the drawings  the torque specification if any are listed    for figure 29  The fittings are shown in figure       30  When working 
6.    cylinder head  it screws into the cylinder barrel  Unscrew the cylinder head with the spanner wrench  and remove the cylinder rod with the cylinder head stil attached to it  do this by pulling the rod out and    the head will come out with it        Switch Blade 5  amp  6  Service Manual  02 05    2005 Alamo Group Inc     Section 3  10             BAR TILT CYL  P N 0693500A REPAIR             B  Cylinder Rod when removed wil sill have the cylinder head attached toit  There is wire ring on  the inner end of the cylinder rod  tem 8 Figure 41  that will need to be removed and the cylinder head  will slide off the rod  Inspect the rod for wear or pitting  replace if required    9  Cylinder Head  the cylinder head once it has been slid off rod you can inspect it and replace as  required  replace the seals in the head with new seals  There are two seals in the ID of the head  an  inner rod seal  Item 6 Figure 41  and the outer rod seal  tem 7 Figure 41   The outer rod sealis a snap   in seal and is installed from the OD  the inner seal is in a groove in the ID of the Head  After these two  seals have been replaced there is an outer o ring and backup washer on the OD of the head  Item 4  amp   5 Figure 41  the o ring will be to the inside of the cylinder and the back up washer will be to the outside   if these are reversed the head could leak under pressure  See item 4  amp  5 Figure 41   Coat the ID of the  cylinder rod with clean hydraulic       Reinstall head onto cylinder rod
7.    damage them and could be dangerous    6  Aways use new Seals when reassembling Hydraulic Pumps  Lubricate the new rubber Seals with   a Petroleum Jolly   Vaseline  before installing them    DONT reinstall worn damaged Parts in Pump  DO NOT Use a wom damaged Pump Housing       Torque allBolts aver Gasketed Joints  Then repeat the Torque sequence to make sure Bolts are tight    some times Gaskets can give a Torque reading that is OK but is not  so always recheck Torque    9  Veritjing the accuracy of Pump Repairs on an authorized test stand is essential    RECOMMENDED TOOLS        7  C4    d  Hex Allon Wrench  Qty 5   9 16   5 92  5 16   3 32   5 64    2  Retaining Ring Pliers  Q3  1 each of Internal  Straight 070 ip  intemal  Straight  090 p   amp  1 each  External  Straight 0 90 tip    3  Retaining E Ring Applicator  Qty 2   1 each 932   amp  1 each 1 2   4  O Ring Pick  Qty 1    5  End Wrench  Qiy 4  1 each of 7 16   916   347 1    S  Torque Wrench  Qiy 1   0 to 100 t  ls   185 6 nm  capacity   7  Hammer  Soft Face  Qty 1    8  Seal Driver Sot  Qty 1    9  Arbor Press             10  Sockets  Qty 3  7 16   9 16   3 4   Drive Size should match Torque Wrench Drive   11  Light Petroleum Jelly  Vaseline    12  Lockite   222 and  277 or equivalent  Qty 1 tube each   RECOMMENDED GAUGES FOR DIAGNOSTICS  1      Inlet Vacuum  30 PSI to 30 in Mercury  207 bar toos   2  System Pressure Gauge  6 000 PSI cob   3      Charge Pressure Gauge  0 to 500 PSI  01025          Switch Blade 5 A
8.   Recheck outside of  Pump to Make Sure itis Clean  After disassembly of Pump wash all metal components in clean solvent  Use compressed Air to dry parts after washing  Compressed air must be fitered and     moisture free   DO NOT wipe them dry with Paper Towels or Cloth as these wil leave  lint and or dust contamination  DO NOT USE Compressed Airto spin any component   Such as Bearings or Plates  as this will damage them and could be dangerous    6 Always use new Seals when reassembling Hydraulic Pumps  Lubricate the new  rubber Seals with a Petroleum Jelly   Vaseline  before instaling them    DO NOT reinstall worn or damaged Parts back in Pump  DO NOT Use a worn or   damaged Pump Housing    8  Torque all Bolts over Gasket Joints  Then repeat the Torque sequence to make  sure Bolts are tight  some times Gaskets can give a Torque reading that is OK butis  not  so always recheck Torque    9      Veriying the accuracy of Pump Repairs on an authorized test stand is essential    RECOMMENDED TOOL   Retaining Ring Pliers   O Ring Pick  Qty 1    End Wrench  Qty 4   1 each of 7 16   9 16   3   Torque Wrench  Qty 1   0 to 1200 in  lbs   Hammer  Soft Face  Qty 1       Seal Driver Set  Qty 1       Socket Set  Drive Size should match Torque Wrench Drive   Light Petroleum Jelly  Vaseline    LLocktite  4 222 and  277 or equivalent  Qty 1 tube each        oe          PRAHUAENA    NOTE  Thisis a tandem pump  the outer pump housing  the smaller pump gears  is the hyd cy  supply  and the inner
9.   Replace with anew cover gasket and bolt back down  to the tank using an alternating cross pattern so the  cover bolts down evenly  Bolt the valve   Solenoid  assembly back into place  See Figure 97     Motor Control Valve   Solenoit   The motor control valve is a solanoid operated  electrical activated directional valve  tis designed to  reverse the flow of oil pressure to the motor and thus  reverse the direction of travel  This is used to unclog  the cutter blades  other than that there is no advan   tage to reversing the blade direction  The Solenoids  can be removed and  or changed without removing  the control valve or the valve connections  There is a  nuton the end af the solenoid that when removed will  allow the        and tube assembly to be removed  The  solenoid can be replaced as an assembly or by parts   The wire harness plugs will have to be disconnected  from the coils  There are no adjustments to the  solenoid or valve   See Figure 98     To test the solenoid this can be done with a test    Figure 97  light or a volt meter  Test the wire harness first to  make sure that the connections are good and there is  current present  REMEMBER the solenoids are con  Valve Mount BoltKit  nected to the toggle switch which means only one   Solenoid Coil Solenoid Coil  solenoidid energizedatatime  andthisis determined      by the toggle switch  If you check one solenoid andit          has currentthen check the other solenoid atthe plug   vou will need to fiip the toggle 
10.   time without incurring the obligation to make these changes on previously manufactured units              Switch Blade 5 6  Service Manual  0205    2005 Alamo Group Inc Section 1 1                SPECIFICATIONS   SWITCH BLADE                   This manual was carefully prepared by Alamo Industrial in an effort to aid the repair technisian  in keeping the performance of this mower up to the high standards for which it was designed  ls  purpose is to cover safety and to give recommendations for the proper repar  care and operation of the  mower  The repair person will want to be totally familiar with this manual so that they will be better  able to handle day to day service adjustments  maintenance and any necessary repairs    For the purposes of product improvement  Alamo Industrial Company reserves the right to  make changes in design  material or specifications without notice and without liability therefore     READ THIS BEFORE BEGINNING  ASSEMBLY  REPAIRS OR TESTING     The Switch Blade  The Switch Blade has an independent hydraulic system  to operate the motor and the cylinder system  This system uses a tandem  pump for hydraulic supply and its own independent      reservoir  Use caution  not to contaminate this system     DO NOT    1       NOT short any wires across or allow them to be shorted out  2 DO NOT attempt to jump across any wires or supply them with alternate power source   3      DO NOT instal higher rated fuses than are recommended by manufacturer        DO 
11.  4       PUMP ASSEMBLY IDENTIFICATION             Pump Identification   There are different ways to identity the type and  size of the pump that you have  The disassembly  and assembly of the pumps will be basically the  same they wil have parts that can not be inter  changed   The Switch Blade had 3 different pumps  used  See Figure 75       PINO2S74302      1 16  0 49 Cu In   Rev    A  5 316  Br  gt  Steel  O    Steel   P  NO29743024  1 16  0 49 Cu In   Rev    A258 CB Aum   C   Alum     PIN 02974303  0 98  0 37 Cu In Rev    A  4 7 8       B  Stee  C    Steel     PIN 02974303A  0 98   0 37 Cu In   Rev   TM 24d  n     Alum   O    Alum                             of this date pump PIN 02974302A has not  been used in production and is not scheduled to  replace P N 02974302 until approximately 2006   butit will replace the pump eventually        Asof SIN SWB  10382  10 04  P N 02974303  has been replaced by P N 02974303A  These  pumps can be identified by the lange andendcaps  Steel or aluminum construction also the length af  the gear housings when pump is assembled  See  Above  amp  Figure 75        Always ID which pump you have  most paris wil     Figure 75  not interchange between these pumps and which  Pump you have wil depend on which tractor you have and the manufacture date of the unit    To identify the Cubic Inch displacement of the pump check the dimensions shown above  The larger  1 16 pump should have been installed on tractors that require an engine speed of 2139 R
12.  6  Service Manual  02 05     2005 Alamo Group Inc  Section 2 2          MOTOR   PUMP ELECTRICAL CIRCUIT             Electrical Circuit  RH Wing Mower   The electrical circuit is a pre assembled wire hamess that will control the motor functions  The  hamess willbe used with a push pul           switch that prevents the tractor rom being started when motor  is engaged  The wire harness uses a three position toggle switch that is used to reverse the knife bar  direction ol travel  These switch are not part of the wire harness assembly  These switches must be  connected correctly to operate correctly  See Figure 2   There is a motor control valve mounted on top                                that willhave two electrical solenoids connected to t  The wire harness hastwo plugs     on one end that connects to the solenoids  one plug will have longer wire  also has Write Wire  than the     ther and will connect to the solenoid further most from the cutter bar mount  The other plug with the  shorter wire  has Yellow Wire  will connectto the first solenoid closet tothe operator  The Starter solenoid  wires and the 12 V power supply wire wil have to be connected to tractor wiring  The power source wire  must be connected to a power source that is only charged when the tractors key switch is in the       position  If power supply wire is connected direct to a power source it wil run the tractor battery down    When connecting wire harness to toggle switch the red wire MUST connect to th
13.  ID of the Head  After these two Seals have been replaced there is an outer o ring and backup washer on  the OD of the head  Item 8  amp  9 Figure 45  the o ring will be to the inside of the cylinder and the back up  washer will be to the outside  if these are reversed the head could leak under pressure  See         amp  9  Figure 45   Coat the ID of the cylinder rod weldment with clean hydraulic       Reinstall head onto cylinder  rod weldment in the same direction it came off  install a new wire ring to cylinder rod weldment inner end   item 13 Figure 45    10  Cylinder Barrel  the cylinder barrel needs to be inspected for condition  the cylinder barrel can be  honed if needed but should nat be honed to oversized    11  Install Rod  Rod Weldment and Cylinder Head into Barrel  Before installing the rod  rod weldment          cylinder head apply            242 to the first two threads of cylinder head in three places 120             Then using the spanner wrench screw the cylinder head into the barrel unti the head is tight in barrel   12  Cylinder Port  The cylinder port has a built in restrictor by having    small 3 84  hole through the  barrel of cylinder from port  DO not enlarge this hole from the 3 64  size as this would cause cylinder to  operate to fast and could cause problems    13  Reinstall Cylinder  the cylinder will be connected to the carriage arm the same as it was removed   Install ne cotter pins in the cylinder retaining pins  Reconnect the hose to the cylin
14.  Manual  02 05    2005 Alamo Group Inc  Section 4 8          MOTOR P N 02974301 DIS ASSEMBLY             12  Remove Plug  amp  Plug Seal  Under mounting  flange there wil be a machined hole  There is a plug  With seal inthis hole     should be removed for cleaning  and replacing the seal  To remove the plug use a 3   18   hex Allen wrench  Insert the wrench into the port  opening and the wrench wil be behind the plug   Using the wrench push the plug out toward the front   Make certain that the seal is out and that the hole is  clear     13 Inspect and clean all components      the parts  and components for the molor needs to be inspected  and cleaned before any reassembly begins  Check  the metal parts for wear or scratches  Clean all the  parts witha clean solvent  DO NOT use rags or paper  towels that will leave lint or dust  It works best to  actualy let the parts air dry  Inspect the parts once  more after cleaning  replace any worn damaged  parts  Paris can be coated with light coat of  petrolaum jally to pravent the from rusting  inspect  the keyway in the output shaft for burrs or damage   this keyway cannot be cleaned up with a file  It  keyway or motor parts need to be cleaned up it must  be done with a hard smooth stone  Such as an  Arkansas Stone  Never grind on motor parts  Do Not  take away so much material that it makes the parts  not fit together correctly    NOTE  Fully cured locktite resist most solvents   oils  gasoline and kerosene and is nat affected by  c
15.  Refilthe oltankwith the  approvedhydraulicoil Makecertainthatalloilused  is clean  new and free of contamination  There are  commercial      Filter buggies available on the  market thatwil ter andclean the oilbefare itis put  into a hydraulic tank  The filter buggy is recom   mended for adding      to hydraulic tank                              Tighten in increments in a  cross pattern as shown                         Inner Gear Housing  wi Large Gears                      Outer Gear Housing  wi Small Gears                Switch Blade 5 A 6  Service Manual  02 05     2005 Alamo Group Inc                 Section 6    Hydraulic Tank   amp  Return Filter                HYDRAULIC TANK REPAIR                INTRODUCTION   This Section of Book provides service information for the Hydraulic Tank  Step by Step     instructions for the complete disassembly and reassembly of theTank are gi           In Most diagrams    there are no Component Part Numbers Listed  Only Item numbers and Descriptions  This is because          parts shown as breakdown in drawings are for location  amp  identification only and may not be  available as replacement parts  NO Dir at all should be around Parts during repairs     BEFORE STARTING REPAIRS  Service Rules  READ THIS     RECOMMENDED TOOL     ERETTI    Clean Hydraulic Tank and surrounding area completely before removing  any connections or Lines  NO DIRT OR DEBRIS CAN BE ALLOWED ON OR NEAR  HYDRAULIC SYSTEMIF IT ISBEINGWORKED ON  ANY DIRT OR CONTAMINA
16.  Skid Shoe Plate wil have to be removed  See inner shoe replacement on previous page   See Figure 17  amp  18   2  Drive Assembly will need to be removed     See cuter bar assembly replacement on previous  pages  See Figure 10    3  Cutter Bar Assembly wil need to be removed   See cutterbarassembiy replacement  See Figure 10   4  Tre Rotor Actuator s a hydraulic operated  break a way unit Before saringrepar puta crainpan  under rotor actuator  Thehoses atthe actuator should  fe  loosen           but NOT Removed to releve  pressure in ines and actuator           certain that t s  fhe hose atthe actuator and not te controlor the raliat  valvetiock Ater the pressur  itanyhas been relieved  the hoses        be reightened  This is important DO   NOT try to                   Pin or any oiher           component      the hoses have had the pressure  relevoc  Soe Figure 19 208 21    5  The Skid Shoe weldment   can be removed with the Rotor  Actuator attached to skid shoe  weldment and then removed or  iteanbeeftbotedto Back Pivot  Plate  The rotor actuator is not  partot the skid shoe weldment  To remove the actuator from   Short Tube Spacer   siid shae remove the 8            areak  A way Rotor  thatrotainbreak a wayrotorac    arran A ma   tuator pin   The rotor Actuator   pin goes all the way rouge a  Shoe              and can be re   moves by pushing up on pin  from bohom  See Figure 19 20  221  6 The Back Piate  is retained by 3 bots which   Back Pivot  mountitethe Cariage Arm ti
17.  and  caution when working with these knives  Secure  tactorsothatitcannotbe started unt youareready  tor itto  Set the parking brake on the tractor  Make             cutter bar is completly on the down stroke   this wil prevent the cutter bar from moving down  Ward  Algo the Knives can be locked with a clamp so  it cannot move unless you want it to  f culter bar  needs to move the best way is by using a punch in  one ofthe holes on the fywheel  remove clamp the  replace it after vou have moved the cutterbar          remove the old knife the Knite retaining  bolt will have to be removed  usually these bolts  cannot be used again and itis recommended that  new one be used when changing knives  When lock  nut is removed the bolt should not fall out as the     shoulder of the bolted 5 ridged to make    drive in fit   Drive the bolt aut rom the top  there are twobolts per   ife  There are two different length of these            the majority is 5 8  long  The first 7 bolts which also  bolttheknife section  knife backing strip andthe knife  head weldment together is longer  1 1 64  long   Remove the locknut  if the lock nut cannot be re   moved these bolts can be cut with a chisel under the  lock nut and the bolt driven out from the top  use  caution andnotdrive apunchor anything through the  hole that is larger than the bolt as it will damage the  hole in the knife backing plate     Replace a Knife or a group of knives  The  knife can be changed without disassembly of the  cutter
18.  and the cutter bar to the break away assembly must be torqued to 85 ft  bs    After the assembly is finished the guards  clips and ledger must be checked  see the previous  section in this manual for setting cutter bar components    Tighten the clamp bolt around the drive stud  use a good thread lock compound on clamp bolt  and tighten the clamp       until the up  amp  and down movement of clamp on drive stud is removed  DO   OVER TIGHTEN the clamp bolt as the drive stud has a bearing inside that will be damaged                          A               Krite Head Weldment       Figure 10                         Switch Blade 5 6  Service Manual  02 05    2005 Alamo Group Inc  Section 2 10          KNIFE BAR REPLACEMENT             Knife Bar Replacement    Replace the Knife Bar assembly wil require the cutter bar assembly to be unbolted rom skid  shoe  break a way assembly  Wear gloves as the knives on the cutter bar can be very sharp and can  cut you   See Figure 10  amp  11     wilnotb require toremove        o the hydraulic hoses or eventake them loose  Looking down  at the planetary drive  and Hydraulic Pump Assembly  there are four nuts in he plate that is atlached  to the drive assembly  Remove these four nuts  if you want to remove the four carriage bolts the skid  shoe will have to unbotted and removed  When liting the drive assembly up and away from the cutter  bar take notice of the four tube spacers under the drive assembly  there are two different length of the  s
19.  cylinder head wil side off rod weldment           4 Figure 45              Switch Blade 5 A 6  Service Manual  02 05     2005 Alamo Group Inc  Section 3   12                CURB LIFT CYL  P N 0693400A REPAIR          8  Cylinder Rod    Piston  Cylinder rod  item 5 Figure 45  will pull out of rod weldment from the back  sida  it has the piston  Item 3 Figure 45  on it and will come out with it  The Piston is pressed on the  cylinder rod  if removing the piston first remove the piston retaining nut  Item 6 Figure 45   this needs to  be done carefully so as nat to damage the piston or cylinder rod  The piston wil need to be pressed off of  ihe cylinder rod and pressed back on when replaced  use loctite 271 or equivalent when pressing piston  onis a must  Install a new piston retaining nut and torque it to the required torque as per the bolt torque  chart  Install new piston seals and wipers  items 7  amp  11 Figure 45   Coat the piston and seals with a coat  of oll and slide the rod into the rod weldment  set the rod and the rod weldment aside for now    9  Cylinder Head  the cylinder head once it has been slid off rod weldment  tems 10  amp  12 Figure 45   you can inspect it and replace as required  replace the seals in the head with new seals  There are two     seals in the ID of the head  an inner rod seal  liem 10 Figure 45  and the outer rod seal         12 Figure  45   The outer rod seal is a snap in seal and is installed from the OD  the inner seal is in a groove in the 
20.  cylinder hoses         connected correctly   See Figure 1     6  Thenext step would ba a low  amp  pressure test ofthe pump  The Motor Section and Cylinder Section   cf pump willneedto tested separately as they workindependently of each other  The Motor Section  ofthe pump should produce 3 5 to 4 5 gpm and 3000 psi  80   ofthis is serviceable   The cylinder  circuit of the pump should produce 9 to 10 gpm and 1750 psi  80  of this is serviceable   These     would be considered ok the relief open at the designated pressure as listed above  The two spool  valve has a 3000 psi relief in it and the motor control valve has a 1750 psi relief in it   7  The knife section will not reverse  The knife section  motor circuit  has an electric toggle switch that  will change the direction of travel for the knife cutter bar  this is done by energizing the correct  solenoid mountedontap ofthe motor control valve block on the tank  f switch doesnot reverse knife   check the power supply at the wire harness and on through harness to toggle switch and then on  down through harness to the solenoid plug connection  See Figure 2   The toggle switch and wire  harness can be tested using a volt meter and Ohm meter           Reservoir Oil  amp  Filter    Dirty oil can destroy the hydraulic system  Dirt scares valve spools  cylinder plungers  Gouges  metal from pump  motor thrust plates  gears and housings  if mower performance is lagging or system  is running hatter than normal  the cause could be c
21.  in the same direction it came off   install a new wire ing to cylinder rods inner end  tem 8 Figure 41    10  Cylinder Barrel  the cylinder barrel needs to be inspected for condition  the cylinder barrel can  be honed if needed but as there is no piston in the cylinder  honing would only accomplish removing         contamination stuck to cylinder barrel walls which should be removed to keep contamination out  ot the hydraulic system    11  Install Rod and Cylinder Head into Barrel  Before installing the rod and cylinder head apply  lockite   242 to the first two threads of cylinder head in three places 120    apart  Then using the  spanner wrench screw the cylinder head into the barrel until the head is tight in barrel    12  Cylinder Pont  The cylinder port has a built in restrictor by having a small 3 64  hole through the  barrel of cylinder from port  DO not enlarge this hole from the 3 64  size as this would cause cylinder  to operate to fast and could cause problems    13  Reinstall Cylinder  the cylinder willbe connected to the carriage arm the same as it was removed   Install the cotter pins in the cylinder retaining pins  Reconnect the hose to the cylinder making certain  that the cylinder and hoses are connected correctly  See Figure 1            VA  NPT Port                      2                Figure 41                               Switch Blade S  amp  6    Service Manual  02 05    2005 Alamo Group Inc Section 3 11       CURB LIFT CYL  P N 0693400A REPAIR       
22.  into the gear   housing with the smooth side down against the  gears  Make certain the thrust block is installed                 See Figure 87    10  Install upper O Ring Seal  Install the upper O   Ring Sealinto the groove ofthe gear housing  Use  alight grease to hold the O Ring Seal in place   11  Install upper Back up Seal  Install the back up  Seal  Plastic  into groove in thrust block  Make  certain that the seal is installed with the center   point of seal toward the low pressure  Suction  port  12 Install Second Channel Seal  The channel  Seal  Rubber  installs into back up seal in the  same direction   See Figure 87            Thrust Block    Back up Seal     Plastic fra    NS    Seal  Pump  Rubber   Mounting  Flange          Figure 86                   DT     eua             BakupSeal_  AS Sel   Plastic   Rubber   Thrust aor ATE  Section Seal  lo Fing  Gear  Housing  Section Seal Dowel Pins  O Ring 0  Drive Gear     Input Shaft Driven Gear  Thrust Block  Channel  Backup Seal ge   Plastic      Rubber     Pump  Mounting              Figure 87                      Switch Blade 5 A 6  Service Manual  02 05    2005 Alamo Group Inc     Section 5   10          PUMP RE     ASSEMBLY          13  Gear Connecting Shaft Installation  There       is a splined stub shaft that connects the two pump  sections together  See Figure 88   Drop the stub     connecting shaftintothe drive gearof the first gear   14  Install Long Dowel Pins  There are 2dowel  pins that wil instal into the
23.  ledger plate  may be worn out   7  Finally  align the industrial outer shoe inthe same way as the guards   See Figure 5  amp  6 and step  Tihrough 6                             Wear Plates       The wear plates mustline upwith each ather to give the knife back straight bearing along its entire  length  Wear plates should project approximately 1 16 in front of the leading edge of the cutterbar after  adjustment  Alamo Industrial wear plates arehardened onboth edges  After the first edge has wom back   simply turn over the plate to obtain a new wearing surface        Switch Blade 5  amp  6  Service Manual  0205     2005 Alamo Group Inc  Soction2 8          CUTTER BARA    DJUSTMENTS          Clips        Atter all guards are adjusted  itis necessary  to sce that the knife clips are bent down to within 1  647 of the section  The easiest way to check this is  to hold the knife down on the ledger plate and use a  feeler gauge or the cover of a paper match book to  measure the clearance  Do not attempt to hold the   tightly against the ledger plate with the clips  Knock   the clips down with a hammer  A light blow with  hammeris althatis required  Ifthe clips drag on the   knife  pry them up  Drag will bind the knife and wear  the clip very rapidly  See Figure 7  amp  8         Knife             ALWAYSUSE ASHARPKNIFE  Adullknite    Clips          Figure 7          cuts poorly  may plug and doesn t do a clean job   Keep the knife straight with the sections firmly             riveted
24.  primary gear housing   Install these pins into gear housing   See Figure  88    15  Middle Space Plate Installation Make            Tie Bolis  Seal    3   mL  Bu       tain the O Ring Seal  The Backup Seal  Plastic   and the Channel Seal  Rubber  are stilin place   Seo Figure 76  87  amp  88   Lower the middle spacer  plate dawn aligning the two dowel pins withthe two     end holes in spacer plate   See Figure 88   The     stub connecting shaft will be sticking up through  the spacer plate when it is installed    16  102181 Seals and third Thrust Block  The  Backup Seal  plastic  wil insert into the thrust  block  use a light grease to hold itin place  Insert  the channel seal  Rubber  into the backup seal  using light grease to hold it in place  Make certain  the thrust block is in the right direction with the   center of the two seals pointing toward the low   pressure  suction  side of pump and the smooth  side of the thrust block toward the gears    17  Install The Small Drive Gearandthe Driven  Gear  Push these gears into the thrust block mak   ing certain the thrust block seals are not maved  and the drive gear is slid down over the stub  connecting shaft  Remember the smooth side of  the thrust block goes against      gears  See Fig   ure 88    18  Instal Gear Housing  Install the lower O   Ringsealintothe groove ofthe gear housing Install  the gear housing down over the gears and the  thrust block  Make certain the seals for the thrust  block is in correct  See Figur
25.  pump  larger pump gears  is the motor supply  There is only one suction port on pump   both sections of pump will use this one suction port and hose                 Switch Blade 5 A 6  Service Manual  02 05     2005 Alamo Group Inc  Section 5 2       HYDRAULIC DIAGRAM   SINGLE RH WING              gt  Ca aR Cae          Ke       ketan Fre             Figure 73                      Hydraulic Hoses     Most ofthe hydraulic hoses will vary in length and part number  this is because when mounting  units on ditferent tractors will require different length hoses  See Figure 1   When the unit was shipped  it should have been shipped with assembly instruction sheets and or assembly manual which should  list the hose part numbers that apply to the application  Retain these records for future use in ordering  parts  NOTE  Do not use Teflon Tape on any hydraulic fittings  use only liquid sealer on NPT fitting and         on the OD of fitting never the ID                 Switch Blade 5 6  Service Manual  02 05      2005 Alamo Group Inc  Section 5 3       HYDRAULIC DIAGRAM   DUAL LH WING                Shown below is the Hydraulic Diagram for the Dual Wing Model                  Diverter  Valve    Motor  Control              LH Break A     Way Valve    Two Spool Control Valve  amp  Switches                      T RH Acuner                   Figure 73A                LH Actuater    Cylinders                   Switch Blade 5 A 6  Service Manual  02 05     2005 Alamo Group Inc     Section 5
26.  the drive assembly has been lifted off you will see a nylon bearing  in the knife bar head clamp  it should have stayed in the clamp or it could have stayed on the knife drive  stud bearing assembly  See Figure 23  amp  27    7  The Hub Adapter is bolted    the Flywheel with four bolts  the flywheel is pressed down over the  top shaft of the drive subassembly  The Knife stud bearing support          to the bottom of the drive  subassembly with two bolts  The Knife drive stud bearing bolts to the support bracket  See Figure 27     A you unbolted the stud drive and let itin the cutter bar it should be removed and inspected  This stud  drive is a sealed bearing drive assembly  there are no replaceable parts in it so it can only be replace as  an assembly  To check the stud drive bearing assembly hold the top where the two bolts mount tto the  support bracket  Grab the OD of the stud drive and the outer cover should spin freely while the top for  the two bolts wil no  it should not be rough or out of round  To work properly it must be free and smooth  tuming  Check the nylon bearing inthe knife head weldment ithastabe in goad condition also  This nylon  bearing does notturmwheninstalled acts solely as a bushing between the lamp and stud drive bearing  assembly and prevent the clamp from crushing the drive stud bearing   See Figure 22  23  amp  27        Switch Blade S  amp  6    Service Manual  02 05    2005 Alamo Group       Section 2 17          KNIFE DRIVE REPAIR   REPLACEMEN
27.  to be used along  with the Parts and Operators Manual       Most calls received by Alamo Industrial Service can be classified into approx  6 general categories   Hydraulic or Mechanical Trouble Shooting    Request for Technical Information or Specifications    Mounting or Fitting Problem    Special Service Problem    Equipment Application Problems    Tractor Problem Inquiries     HOW YOU CAN HELP    Make sure the callis necessary  Most of the calls received may not be necessary if the Dealer     Service Technician would do the folowing    1  Checkthe Service Information atyour Dealership provided by Alamo industrial  This would  include  Service Bulletins  Information Bulletins  Parts Manuals  Operators Manuals or     Service Manuals  many of these are available via the Alamo Industrial Internet site  Alamo   Industrial  Com   Attempt to diagnose or repair problem before calling   2  ia callto Alamo Industrial is needed  Certain Information should be available and ready  forthe Alamo Industrial Service Staff  Such information as  Machine Model  Serial Number  Your Dealer  Name  Your Account Number and Any other information thai willbe useful  This information 1s vital forthe  development of a prompt and correct solution to the problem  This will also help to develop a database       problems and related solutions  which will expedite a solution to future problems of a similar nature    3    The technician may be asked to provide detailed information about the problem includi
28.  to the knife back  When sharpening knife  be  carefulta restore the original shear angle and bevel  0123    Properly and improperly ground knife sec   tions are shown  See Figure 9   A knife section that  has been ground several times may have the proper  angle and bevel and still be unserviceable because  thehardcutting edge has been ground away and the   section is to short to cut everything encountered     Knife Replacement   Replace        or broken          sections  Alamo Industrial fe sections are heavy duty sec  tions made of special steel and wil stay sharp for  many more hours than conventional sections     Maich Book Gover                                              New Sections  proper bevel and  angle for good work        Figure 8                Improperly groundsec  properly ground sec   tions   narrow bevel tions even after re   andwronganglewhich peated griding  proper  changes the angle of bevel and angle are  shear  retained     Sections ground olt  center  destroying the  register of blade in  guard           Switch Blade 5 A 6   Service Manual  02 05      2005 Alamo Group Inc     Section 2 8             CUTTER BAR REPLACEMENT             Cutter Bar Assembly Replacement    Replacement of the complete cutter bar assembly wil require the cuter bar assembly to be  unbolted from skid shoe   break away assembly  Wear gloves as the knives on the cuter bar can be  very sharp and can cut you   See Figure 10    itl      be require to remove any ofthe hydraulic hos
29. 6  Remote Control Cable  Cab Tractors  37039  Cylinder  Bar Tit Cyl  P N D693500A  31010311  Cylinder  Curb Lift Cyl  P N 06934004  31240313   Section4 Motor Repairs   1 to 4 14  Introduction  42  Cylinder  Motor  amp  Pump Hydraulic Circuit 43  Hydraulic Diagram  44045  Motor Dis Assembiy  4610410  Motor Re Assembly  41110414  Motor Solenoid Control Valve Assembly  67       Switch Blade 5  amp  6  Service Manual  02 05    2005 Alamo Group Inc  Index 2          INDEX             Section    Section 5   Pump            Introduction   Hydraulic Diagram   Pump identification   Pump Schematic   Pump Dis Assembiy   Pump Re Assembiy     Section6  Hydraulic Tank  amp  Return Filter   Introduction   Hydraulic Diagram   Hydraulic Tank Schematic   Hydraulic Tank Repair  Oil Level   Temperature Sight Gauge   Suction Strainer   Tank Access Cover  amp  Gasket   Motor Control Valve Sollenoid Assembly           Page    5 1 to 5 12  52  53054  55  55  571058  59152    6 1 to 6 7  62  63064  55  58  58  55  67  57       Switch Blade 5 A 6  Service Manual  02 05    2005 Alamo Group Inc  Index 3          NOTES                Switch Blade 5  amp   amp   Service Manual  02 05       2005 Alamo Group Inc     Index 4                               Section 1    Model  Specifications    STATEMENT OF POLICY    itis the policy of Alamo Group to improve its products where it is possible and practical to do so   Alamo Group reserves the right to make changes or improvements in design and construction at any
30. Inner Shoe Replacement    The inner shoe bolts to the Break a way  assembly using two bots in the rear and the rod  deflector in tne front  There is also a motor cover  weldment hat bolts over the motor and drive assem   bly natis bolted on with three bots  See Figure 17  amp   18      Rock Guard  Clip  amp  Wear Plate          Cutter Bar    semet  8 D    4          Figure 15 m                   Replacement   Tho rock guards  cip and wearplates can be  replaced without removing that cuterbar or knife bar  assembly  Thay are bolt on items that can be bolted   one ata time for repair or they canal be replaced al  fat the same time  Anytime the guards  clips       wearpiates are replaced they wil have to be checked  to make certain they are fiting correcty  See the  guard  cip and wearplate adjustment section on  Previous pages  The          mounting rock guards are  7 16  grade          bolts and wiltorgus 4510 SO Ies    See Figure 16                       Figure 17                          2                Switch Blade 5 A 6   Service Manual  02 05    2005 Alamo Group l       Section 2 13          INNER SHOE WELDMENT REPLACEMENT             Inner Shoe Weldment Replacement    The Inner Shae Weldment replacement will require other components to be removed in order  to replace the weldment  Removal or disconnection of hydraulic line wil not be required  DO NOT Start  tractor after this repair has began  secure tractor from starting and set parking brake on tractor        1  Inner
31. NOT attemptto repair or adjust a component thatis notintendedto be repaired  example  sealed components as there are no serviceable components inside    5  DO NOT iet anyone attempt any testing or repairs unless they are an experienced and   qualified technician  Technicians must have proper tools  gauges  meters etc  to perform proper  diagnosis andior repairs        DO NOT perform any repairs with dirty tools or in dirty area  When working on hydraulic  components keeping system clean and free of contamination is important   DO NOT start or engage system if the oil level is not at the proper level or condition  Never   start or run unitiow or out of oil  installing newpumpnever start engine unless pump  amp  system   has been filed with oil  starting a pump dry wil damage it      DO NOT ista add any oil unless you know itis the correcttype and the container is clean            certain the oil is not contaminated with dirt or any liquid    9  DO NOT Make repairs it itis going to be unsafe for you or the people around vou  itis the  repair persons responsibilty to secure the tractor and the surrounding work area  Tractor  shouldbe disabled in a way hat canno be started until the repair technician is ready to do so          DO NOT use teion tape or other pipe joint tape on fittings or hose connections  For pipe  threads  use a pipe thread sealant compound suitable for hydraulic service      OD thread              Switch Blade 5  amp  6  Service Manual  02 05    2005 Alamo Grou
32. NTS  IN SYSTEM NO MATTER HOW SMALL WILL DAMAGE SYSTEM    After cleaning around all connections thoroughly  Disconnect al connections  Lines   Hoses  Wiring and Remove the  Plug all hoses and Lines on system that are   disconnected  DO NOT leave any open Lines  NO Contamination Should be allowed  into system at all   Clean Area  Clean all Tools  Pans etc  The cleaning of Area and Tools MUST be done  before moving  Cleaned  Pump there  Drain      from Pump  Recheck outside of  Tank to Make Sure itis Clean   After disassembly of components wash all metal components in clean solvent    Use compressed Air to dry pars after washing  Compressed air must be fltered and  moisture free   DO NOT wipe them dry with Paper Towels or Cloth as these wil leave  lint and or dust contamination  DO NOT USE Compressed Air to spin any component   Such as Bearings or Plates  as this will damage them and could be dangerous      Always use naw Seals when reassembling components  Lubricate rubber Seals with  a Petroleum Jelly   Vaseline  before installing them this will help hold them in place  during assembly    DO NOT reinstall worn or damaged Parts back on Tank  DO NOT Use a worn or  damaged tank component    Torque all Bolts over Gasket Joints  Then repeat the Torque sequence to make  sure Bolts are tight  some times Gaskets can give a Torque reading that is OK but is  not  so always recheck Torque        Retaining Ring Pliers  O Ring Pick  Qty 1    End Wrench  Qty 4   1 each of 7 16   9 16   3   
33. PM or less to  produce 540 RPM atthe PTO  The Smaller 0 96 pump should be used on tractors hat require an engine  Speed ol 2140 RPM or higher to produce 540 RPM at the PTO  Check withthe tractor specifications to  determine what engine speed is required to produce 540 RPM PTO speed       The Suction side and the pressure side must be assembled as shown  See Figure 74   Do not reverse  the rotation of the pump when reassembling it                         SUMMARY  Pump Identification  Check the length of the gear housings  include middle spacer in  length  when pump is stil assembled  this  A  length  Check the type material the mounting flange is  constructed out of  Aluminum or steel  this is  B  designation  Check the type material the End Cap is  constructed out of  Aluminium or steel  this is  C  designation  See Figure 75   Check the engine speed   RPM  required to produce 540 RPM at the PTO shaft as to which pump should be used  See Above              Switch Blade 5 8 6  Service Manual  02 05    2005 Alamo Group Inc  Section 5 5           PUMP SCHEMATIC                 Figure 76                       Description  Lip Seal   Snap Ring   Mounting Flange   Dowel Pin  Short Pin    Backup Seal  Plastic   Channel Seal  Rubber   Thrust Block   Drive Gear   large Gear Section   Driven Gear   Large Gear Section   O Ring Seal   Gear Housing   Large Gear Section   End          Sealing Washer   Tie Bolts   Dowel pins  Long Pin    Middle Spacer Plate   Connecting Shaft   Drive Gear  
34. Small Gear Section   Driven Gear  Small Gear Section   Gear Housing  Small Gear Section              Switch Blade   amp  6  Service Manual  02 05     2005 Alamo Group Inc     Section 5 6             PUMP DIS ASSEMBLY             Remove Pump From Tractor    To remove the pump rom he tractar  Drain the                                 Sea Figure 77  Thetarkhas  bee moe One A nan  tractor is usec  Shown Here 8        one mouming  appicafionand may not bewhero the tankis mounted  rov eco   DONOT dlsconnectanyhosesorfitings unie  surtaco around Wam nas baon Gem  and al diain  atch          are place   Todrsninehydraciank heal canbe pumped  outoftank  Soo Figure 77  ordainedouttroughtha  auction hose at he pump  Ses Figure 74  The  decision how i remove ho oi is up 1o io ropa        77  technician  When daring th ot must be kopt in  Pla Hero        nat be contaminated by                  Grob  cheris sach    or twas used  Tina cath container previously  Di or vash hats  onthe exoror ofthe pumpor hoses that wil           ositisdr  nad over                          Ro   af               dye be e hom  removing      nat to ow he ao be sped around  trong rea        cram he OU ole deposed of  Inthe propo way           Plug al hoses and ting  when ey are deconneced   Disconnectthe hoses from the pump afterthe ol  his eh door  The pamp                a  pump            fango wilh tan bole          Figure  Fa  The pumps spinea shaft      be no a splined  capir fat en pe dives  desta wl vay  
35. Switch Instructions     NOTE  Remote control cables are used on tractors with cabs mosty  These remote cable will be shipped  with the tractor mount kit  The cables will vary in length as to which tractor model is used to mount the  switch blade on  For replacement cable assemblies match the length of the cable above  There are two    cables per unit required  The length of cable can also vary as to where the valve is mounted     Control Cable Connection to Control  Stick Assemblies    First remove the Cross  Screw from the bottom of  the Control Stick Assembly  DO NOT remove the  screws that fasten the two housings halves together    Next holding the housing  fully shift the Handle in  the Control Stick Assembly to expose the female   threaded end of the Plunger Rod    Then while holding the Handle to expose the  Plunger Rod  thread the Threaded Bead of the Cable  into the end of the Plunger Rod and tighten securely   Release the Handle  allowing the Cable to pull into  the Control Stick Assembly                                Control Sick                              Switch Blade 5 A 6  Service Manual  02 05       2005 Alamo Group Inc  Section 3 8          REMOTE CONTROL CABLES             Once Cable is attached to Plunger Rod  slide  the silver Conduit Sleeve into the bottom of the  Control Stick Assembly and align the groove in the  Conduit Sleeve with the Cross Screw Hole    Finally Reinstall the Cross  Screw and tighten  securely  See Figure 31 thru 36     Push Pull Swi
36. T             8  To reassemble the Knife Drive Assembly reverse the disassembly steps but first the cutter bar  must be made ready  Ifthe drive stud assembly was not removed from cutterbar knife head weldment   See Figure 22  23  amp  27  and you do not plan to loosen the clamp around the nylon nearing on knife drive  stud  you will not need to do his  IF the drive stud is removed the cutter bar head clamp will need to be  prepared  Loosen the clamp bolt to where the nylon bearing  bushing  can be installed into the clamp   Teinstallthe clamp bolt into clamp BUT DO NOT tighten clamp bol  Insert the drive stud bearing into the  nylon bearing of clamp  stil DO NOT tighten the clamp bol    9  Instali the support bracket to the lower side OD the knife drive assembly  these e are two 8 mm  bolts that screw into the knife drive assembly bottom side  Torque the 8 mm bolts to 20 f  Ibs    10      Installthe Tube spacers over the carriage         remember the long ones go in the front and the  short ones go in the rear  Set the drive assembly down over the four bolts where itis setting on the four  tube spacers  Install the motor adapter down over the same four bolts  See Figure 28   The Drive  assembly can be tightened down now  these are 1 2  grade 8 plow bolts and should be torqued to 100  to 11011  bs    11  From the bottom of the drive assembly turn the drive assembly   there are holes in the outer  ciameter ofthe flywheelthat canbe used oturnitby inserting a barinto the hole   A
37. Torque Wrench  Qty 1   0 to 1200 in  lbs   Hammer  Soft Face  Qty 1       Seal Driver Set  Qty 1    Socket Set  Drive Size should match Torque Wrench Drive   Light Petroleum Jelly  Vaseline    LLocktite  4 222 and  277 or equivalent  Qty 1 tube each           Switch Blade 5 A 6  Service Manual  02 05       2005 Alamo Group Inc  Section 6 2          HYDRAULIC DIAGRAM   SINGLE RH WING                                        Section 6 3          HYDRAULIC DIAGRAM   DUAL LH WING                Shown below is the Hydraulic Diagram for the Dual Wing Model                  Diverter  Valve    Motor  Control              LH Break A     Way Valve    Two Spool Control Valve  amp  Switches                      T RH Acuner                   Figure 92A                LH Actuater    Cylinders                   Switch Blade 5 A 6  Service Manual  02 05    2005 Alamo Group Inc     Section 6 4       HYDRAULIC TANK SCHEMATIC                             Motor Pressure  Return Hose    Motor Direction  Control Valve  amp   Control Solenoids    Return Filler Asy Cover Gasket    Sight   Temperature  Gauge    Hydraulic Tank  Weldment     Warning Decal   Hose Burst     Suctign Strainer  Modal Decal        Figure 93          Return Filter    The retur filter assembly is bolted into the top of the tank  The fiter has a replaceable cartridge that  is accessible by removing the top cover of the iter assembly  The fiter Assembly WILL NOT require  removal from the tank assembly  See Figure 93  amp  94   The 
38. UIT                Switch Blade Cylinder  Motor  amp  Pump Control Circuits   The Cylinder control circuit is operated from the front half of the front mounted pump  The  Pressure supply hose runs direct to the two spool valve  This supply hose is also the supply for the  hydraulic break a way assembly  The Motor Circuit is supplied by the rear hal of the pump   If there is a problem with the hydraulic cylinder system or motor system  there are number of  things that should be checked    1  Check hose routing to make certain they are not kinked  damaged or have been connected wrong   this would be a visual inspection comparing them to the schematic drawing   See Figure 1     2  Check to make certain that the oil level is full as it should be at he tank  Add        needed to bring         correct level as needed  See the side gauge on the side of the      tank    3  Inspect the two spool control valve to make certain the handles are moving the plungers freely in  the valve body  this would be by work the handles to see if they are tre    4  inspect the Tractor Engine to Pump driveshaft to make certain that itis working property  If the  driveshaft was broken then the cutter motor would not work either     5  Inspect the hydraulic cylinders to make certain that they are not leaking internally  This should ba     case where if the cylinders were leaking the head would have dropped when lifted with the  hydraulics or there is      running out of the cylinder end  Make certain the
39. across the gerotor and the  mark across the inner star are aligned as shown   Seo Figure 69     16  Install Drive Gerotor Star End Spacer  I used  install the drive spacer into the splined ID of the  star in gerotor  Some Pump may not use this  spacer  If the motor had a spacer  See Figure 52  870  then it needs to be reinstalled    17  Install Motor End Cap and Seal  The end cap  is installed witha round ring seal 73 mm ID  2 875  in  inserted into a groove in cap  See Figure 70    Rotate gerator to align bolt holes in gerotor with  olt holes in spacer and motor housing  Set the  end cap down onto the gerotor aligning the bolt  holes  Some bolts will have seal washers on to    them  if they were on bolts when removed put them Back        Start all the bolts  7 Bolts  into the end cover but do  not tighten them  These bolts will have to be torqued and  done in a cross pattern  See Figure 71  in stages  Tighten  107 4       40 in  Ibs   Check to make certain seal washer  are properly seated  Next torque bolts to 27 28 nm  235  to 250 in  Ibs  following the pattern shown  See Figure            mul  rare             Torvt  avg Sor    Ss            GEM  ES     Stc Point       Timing Dat                                                                                               72   18  Re instali Motor to Drive Assembly  Install he motor          asy with  same 2 S  bolts you    removed  2  connect AN  hoses as A     they were Yl       removed  H  Figure 71 Figure 72   Switch B
40. aking hoses loose  Cap the hoses and plug the   cylinder port after disconnecting hoses   See Figure      5  Remove the two cylinder mounting pins by  Temoving the cotter pins  See Figure 4  and then pulling  the pins  Inspect the cylinder to make certain tis clean   make certain all tools and the work area ara clean    6  Remove Cylinder to Work Bench  Hold cylinder  With port up until you get to a drain pan to drain cylinder   It works best to secure cylinder in    vise  use caution  not to tighten vise so tight it will squeeze the barrel out  of shape  DO NOT clamp cylinder rod in vice  Use  caution  as the cylinder is disassembled      will flow  out oft      you want to do this in an area where you are  prepared to catch the         7  Remove Cylinder Rod  The bast way to  disassemble the bar tit cylinder is to use    hooked  spanner wrench  See Figure 40   there is a hole in  cylinder head so a spanner wrench can be used  A  pipe wrench can be used but you wil damage the  exterior ofthe cylinder head by cutting it  it a pipe wrench  is used make certain none of the pieces of metal from  cylinder head are not allowed to get into the hydraulic  ol system  The Cylinder Head         2 Figure 41  is the       Cyl P N 0683500A        Single Port located in this  cylinder in the barrel at the                         base end only  Figure 38  Bar Tit Oy  Curb Lif        PINOG98500A PINOB93400A                                  Figure 39  Spanner Wrench  Figure 40                
41. ap off  use caution as the gear housings  are only held together by the gears now    3  LiffEnd Capoffot pump  Removethefourtiebolts   See Figure 78  amp  79   Make certain that you hold  down on the gear housing when removing the end  cap  The end cap will use dowel pins to align the end  cap with the gear housing  It may require you to             something between end cap and gear hous   ing too remove the end cap  Some dowel pins will  stay in gear housing or end cap  these do not have to  be removed but you must remember this when  reassembling pump    4  Remove Small Gear Housing and components   Outer Pump Housing   When removing the gear  housing off of the small cuter side be prepared to  catch parts if they fall  When iting the gear housing  Up the gears and thrust block may or may not try to     come off with it     they do this is OK as they can be  removed from the housing  USE caution to make     certain none of the thrust blocks or gears do not fall   othe floorasthey couldbe damaged  Makeanoteon  the way the thrust blocks are installed as they must  be installed the same way when reassembled  The   gear housing is connected tothe middle spacer plate  and other gear housing with dowel pins  the sections   may have to pried apart  if you do you must be very      cautious nat damage the gear housing  See Figure         80    5  Remove Stub Connecting Shaft  The stub con   necting shafts used to connect the rear set of gears   to the front set of gears  This is a 
42. bar  The Knife retaining bottisa special ridged     shouldered bolt  this makes the bolt have a wedged  fit into the knife backing strip  The special bolt will  needtobedrivenintotheknife backing striptrom the      bottom untithe head of bolt bottoms out on the knife   backing strip  Install the new cone locknut and  snugly secure the bolt  do not over tighten these  bolts as they are 1 4  gr  5 and wil Mist off  Torque  9 to 101  Ibs max  If all the rock guards and         were adjusted right to begin with they should not  have changed  but check them for alignment to  make certain  Ifthe rock guards and clips needto be  adjusted go back to the guard ajustment section  earlier in the manual   See Figure 11  12  13  amp  14        Special Cone  Locknut       Ridged Ridged  Shoulder Shoulder    Figure 12                    Krite  Backing  Strip        Knife Bolt                                     MAVERICK  Service Manual  12 04     2004 Alamo Group Inc  Section    2 12          OUTER SHOE ASSEMBLY REPLACEMENT             Outer Shoe Assembly Replacement        The outer shoe assembly bolts to the last two holes inthe cutterbar  There are two diferent length  bolts used here because the last        will also mount the outer shoe sole to the outer shoe assembly        These are 7 16  grade 5 carriage bolts and wil torque   45 to 50  lbs  The outer shoe sole is a replaceable  wear item and be replaced as needed without disas   Isembiy of the cutterbar  See Figure 15  amp  16     
43. before removing any connec  tions or Lines  NO DIRT OR DEBRIS CAN BE ALLOWED ON OR NEAR HYDRAULIC SYSTEM IF  ITIS BEING WORKED ON  ANY DIRT OR CONTAMINANTS IN SYSTEM NO MATTER HOW  SMALL WILL DAMAGE SYSTEM    2  Aher cleaning around all connections thoroughly  Disconnect all connections  Lines  Hoses  Wiring  and Remove the Pump Completely from the Tractor  Plug all hoses and Lines on Tractor and       Pump  DO NOT leave any open Lines  NO Contamination Should be allowed into system at all    3  Clean Area  Clean al Tools  Pans tc  The cleaning of Area and Tools MUST be dane before moving   Cleaned  Pump there  Drain      from Pump  Recheck outside of Pump to Make Sure it is Clean   4  After disassembly of Pump wash all metal components in clean solvent    5  Use compressed Airto dry pars after washing  Compressed air must be fitered and moisture free   DO NOT wipe them dry with Paper Towels or Cloth as these will eave lint and or dust contamination   DO NOT USE Compressed Air to spin any component  Such as Bearings or Plates  as this will     damage them and could be dangerous    6  Aways use new Seals when reassembling Hydraulic Pumps  Lubricate the new rubber Seals with   a Petroleum Jolly   Vaseline  before installing them    DONT reinstall worn damaged Parts in Pump  DO NOT Use a wom damaged Pump Housing       Torque allBolts aver Gasketed Joints  Then repeat the Torque sequence to make sure Bolts are tight    some times Gaskets can give a Torque reading that is OK but i
44. bles required per unit Harness must be connected before   Figure 31 attaching switch  item 10  to contiol sticks                   Switch Blade 5 A 6  Service Manual  02 05    2005 Alamo Group Inc     Section 3 7          REMOTE CONTROL CABLES                Tem PartNo        Descipion   1 00015800 2 Locknut  Toplock 8 8 NC PLB   2 0050 2 Bolt  Hex Head 3 8  NC X 1 1 8  PL                  2 Bolt  Hex Head 1 4  NC X2    4     0075080 3 Locknut  Toplock 5 16  NG PLB      02959024 2 Locknut  Toplock 1 4  NC PLB   5 02965887 2 Adjusting Yoke End   7 ose 2 Clevis Pin  3 16  X 7 8   B  o2968698 2 Gotter Pin 382   X 3 4    9 02971200 ar Cable  Remote Control   48  Long  02971201 ar Cable  Remote Control   60  Long  02971202 ar Cable  Remote Control   72  Lang  02971203 ar Cable  Remote Control   102  Long   10 02974298 1    Switch Mount Weldment   11 02974298 1 Angle Mount   12 02974323 2 Angled single axis Control Asy    13 02964028 1 Switch  Push Pull  wltems 14    14 02982387 1 Knob  Replacement for tem 13   02082366 1 Panel Jam Nut  2 8  NF  Replacement for        13   02082365 1 Face Nut  3 8  NF  Replacement for liem 13    15 02964318 1 Relief Valve  Set    2500 psi    16 02974321 1 Decal  Valve  amp  Switch Instructions   17     02574322 1 Toggle Switch  3 Position    18 02082077 1 Valve Asy wiFitings   19 02074962 1 Boot  Toggle Switch Cover   20 00023500 6 Flatwasher  5 16  Type AW ZP   21 02733700 3 Bolt  Hex Head 5 16  NC X 4 1 2  PL gr5   22 02075270 1 Decal  Reversing 
45. d        CAUTION                      Switch Blade 5  amp  6  Service Manual  0205    2005 Alamo Group Inc  Section 1 3                   SPECIFICATIONS   SWITCH BLADE                Standard Specifications  Switch Blade 5 ft   amp  6 ft     Break A Way Control  Break A Way Relief   Break A Way    Cutting Size    Cutting Width    Drive System    Hydraulic Cylinder Control    Hydraulic System    Hydraulic Tank    Hydraulic Filter    Hydraulic      Return Pressure Gauge   Hydraulic Hoses    Hydraulic Hose Length   Knife Drive    Knife Rock Guards    Knife Speed Control    Knife Type    Lita Fold    Motor Control    Motor Gontrl    Motor Function    Mount Type       Mounting o Tractor    Operators  amp  Parts Manual    Paint   Pump Guard   Pump Mounting   PumpSize   Pump Type   Pump Pressure    Motor Circi  Cylinder Circuit   Skid Shoe Replacement       Skid Shoe Size       Skid Shoe    Transport Lacks    Transport       Break A Way Pressure Contol Valve Block  1500 psi Relief   Hydraulic Rotary Actuator  Self Returning   Upto 1 2  in Dia  Material   5 ft or 6 ft  Option   Hydraulic Motor   Two Spool Control Valve   Self Contained      Stee  Manufactured Type w  Built in Mount     Standard  Tank Mounted      Standard  Tank Mounted   High Pressure Standard   Varies with the Tractor Model   Planetary Drive Assembly   3  Heavy Duty Industrial Bolt On   Pre Set Governor       Serrated Edge Standard   Hydraulic Cylinders Standard    Electric over Hydraulic   Electric  ON  or  OFF  Se
46. d that of your family and fellow citizens     MITT AAMQ    Switch Blade 5   amp  6  02 05         2005 Alamo Group Ine        Printed U S A  Manual PIN 029826125    
47. dds 10 0 inches to a torque wrench  length  dimension B  What should the setting be to obtain 320 ft  bs  of torque at the end of the  adapter           A   2257 inches  length trom adapter mounting point torque wrench to center of grip   handle   B 10 0 inches  Length from adapter mounting point of torque wrench to center of hex slo    C   3201  Ibs  torque  desired torque at end of extension    D   Unknown  setting you need to set torque wrench to   320 ft  Ibs for accuracy         22 57   22 57                          01320 ns          o   300 X 222     bs    A B   22 57  100   3257     Your Answer  D  is a setting of 222 ft  bs  on the torque wrench will give 320 ft  Ibs  of torque at the  bolt  By using the above formula an accuracy of   or   6   of the desired torque will result at the end  of the adapter due to length change during grip adjustment              Switch Blade 5  amp  6  Service Manual  0205    2005 Alamo Group Inc  Section 1 5                   SPECIFICATIONS   SWITCH BLADE                HOSE END FITTING TORQUE SPECS     Hose End Type  37 Degree Angle End Steel Hose End Fittings    Dash  Size  4  E  8  10  12  28  20  24  32    Nominal Cyl   Size  in      m  E  vz    Torque Torque  in               140 12  230 19  450       650 54  900 75  1200 100  1600 133  2000 167  2800 233      Straight Threads do not always seal better when higher torques are used  Too much torque  causes distortion and may lead to leakage  DO NOT over torque fittings and DO NOT a
48. der making certain that  the cylinder and hoses are connected correctly  See Figure 1         Ti NPT Pont          Figure 45                            Switch Blade S  amp  6    Service Manual  02 05    2005 Alamo Group Inc  Section 3 13                Section 4    Hydraulic  Motor  Repairs             Section 4 1          INTRODUCTION TO HYDRAULIC REPAIR             INTRODUCTION    In Most diagrams there are no Component Part Numbers Listed  Only         numbers and Descriptions  This s because most parts shown as breakdown in drawings are for location  8 identification only and may not be available as replacement part  replacement part numbers will be  listed in the Parts Operators Manual  NO Dirt at all should be around Parts during repairs           BEFORE STARTING REPAIRS  Service Rules  READ THIS    1  Remove Front Cover  Clean Pump and surrounding area completely before removing any connec  tions or Lines  NO DIRT OR DEBRIS CAN BE ALLOWED ON OR NEAR HYDRAULIC SYSTEM IF  IT IS BEING WORKED ON  ANY DIRT OR CONTAMINANTS IN SYSTEM NO MATTER HOW  SMALLWILLDAMAGE SYSTEM    2  Atter cleaning around all connections thoroughly  Disconnect      connections  Lines  Hoses  Wiring  and Remove the Pump Completely from the Tractor  Plug all hoses and Lines on Tractor and       Pump  DO NOT leave any open Lines  NO Contamination Should be allowed into system at al   3  Clean Area  Clean all Tools  Pans ete  The cleaning of Area and Tools MUST be done before moving   Cleaned  Pump ther
49. e  Drain Oil tram Pump  Recheck outside of Pump to Make Sure itis Clean   4  After disassembly of Pump wash all metal components in clean solvent    5  Use compressed Air to dry parts after washing  Compressed air must be fitered and moisture tree    DONOT wipe them dry with Paper Towels or Cloth as these wil leave lint and or dust contamination   DO NOT USE Compressed Air to spin any component  Such as Bearings or Plates  as this will  damage them and could be dangerous    6  Always use new Seals when reassembling Hydraulic Pumps  Lubricate the new rubber Seals with  a Petroleum Jelly   Vaseline  before installing them    7  DONT reinstall worn damaged Parts in Pump  DO NOT Use a worn damaged Pump Housing    B  Torqueall Bolts over Gasketed Joints  Then repeat the Torque sequence to make sure Boltsare tight   some times Gaskets can give a Torque reading that is OK but is not  so always recheck Torque    9  Verifying the accuracy of Pump Repairs on an authorized test stand is essential           REQUIRED TOOLS     1  Retaining Ring Pliers  2  O Ring Pick  Qty 1    3  End Wrench Set   Torque Wrench  Qty 1   0 to 1200 In  lbs    Hammer  Soft Face  Qty 1    Seal Driver Set  Qty 1    SocketsSet  Drive Size should match Torque Wrench Drive   Light Petroleum Jelly  Vaseline    9  Locktite    222 and  277 or equivalent  Qty 1 tube each     pos    px       Switch Blade 5  amp  6  Service Manual  02 05     2005 Alamo Group Inc  Section 4 2          CYL  MOTOR  amp  PUMP HYDRAULIC CIRC
50. e 88    19  Install Seals and Fourth Thrust Block  The  Backup Seal  plastic  will insert into the thrust  block  use a light grease to hold itin place  Insert  the channel seal  Rubber  into the backup seal  using light grease to hold i in place  Make certain  the thrust block is in the right direction with the  center of the two seals pointing toward the low  pressure  suction  side of pump and the smooth  side of the thrust block toward the gears  See  Figure 88            Backup Seal   Plastic  E  Thrust Block  Rubber   Section Seal  O Ring   4  S   Outer Gear EA   Housing             Section Seal      O Ring   3    Drive Gear Driven   Gear    Thrust Block TO    Back up Seal          Paste   2 crane    Middle Spacer  Rubber     Plate    Stub Connecting  a    Seal   Rubber     Backup Seal A   Plastic     Thrust Block    7 5  Section Seal  O Ring   2     InnerGear  Housing    Figure 88                               Switch Blade 5  amp  6  Service Manual  02 05    2005 Alamo Group Inc     Section 5 11             PUMP RE ASSEMBLY             20  End Cap Installation  The endcaphas four      bolts that will have a sealing washer on each          If these washers were removed reinstall them   See Figure 88   Lay the end cap down onto the  gear housing  Install the four tie bolts with the seal  washer on them intothe four holes  Start each Bolt    DO NOT use an airimpactto assemble this pump   Tighten each bolt by hand until all the slack is out  and all components touching eac
51. e center post      switch  the yellow and the white wire must connect to the two outside post  it will not mater which     outside post as long as one each of yellow or white wire is connect to the outer post  See Figure 2                                      g A                                        7 N Rear Solenoid Pag Red  16 Wire                Figure 2 This Wire Harnes Used for RH Wing                         Switch Blade S 4 6  Service Manual  02 05    2005 Alamo Group Inc  Secion2 3          MOTOR   PUMP ELECTRICAL CIRCUIT             Electrical Circuit  Dual LH Wing Mower   The electrical circuit for LH Wing is a pre assembled harness that controls the motor  amp  cylinder  functions  The hamess is used with a offion switch that allows RH  mower or LH mower to be run as  decided by the operator but not both at same time  The wire harness for the LH mower will be used with  the wire harness for the RH mower  The wire hamess is connected to Diverter Valves that are connected  into the hydraulic lines to select the      low from one mower or the other  The solenoid valve on the tank  will sill be used to reverse the flow of oil changing rotation direction on cutter bar  The wire hamess has  two plugs on one end hat connects tothe Selector Valves  The Plugs on the harness wil connect othe  diverter valve solenoids  both these solenoids willbe open at the same time or closed at the same time   Itthe cutter bar on one mower runs and the cylinder on the other side operate 
52. e drive assembly with to socket  head bats  DO NOT tighten the clamp bot at this ime  This drive stud can be unboled from drive  assembly  inserted into nylon bearing and re bolted to drive assembly later  See Figure 10  amp  11   ifthe  drive stud is removed        the drive assembly when you reinstall it the two socket head bots wil need  tobe torqued to 351  bs   The nuts on the carriage bolts  4 short and 2 long 3 4  carriage bolts  that retain the drive          assembly and the cuterbarto the break a  Way assembly mustbe torqued to 85 b   Tighten the clamp bot around the       dive stud  use a good thread lock com  pound on clamp bolt and tighten the clamp   Bott until the up  amp  and down movement of  lampon drive studis removed  DO OVER  TIGHTEN the clamp bot as the drive stud  has a bearing inside that wil bo damaged    After the assembly is finished the  guards  cips and ledger must be checked  for clearance  see the previous section in  thismanualtorseting knife barto cutterbar  components  See Figure 10  amp  11    The skid shoe wil be the last tom               Make carain the rod detector     Figure 11   which bolts to the front of the skid shoe is  pointed correct            Drive Stud      Nylon Bearing             Blade Section       Knife Backing Strip                       Switch Blade S  amp  6    Service Manual  02 05    2005 Alamo Group Inc  Section 2 11             KNIFE REPLACEMENT             Knife Replacement    The Knives are very sharp  use gloves
53. e pump from the  vice and turn it over to reclamp it into the vice  hold   the shaft while doing this so it does not fall out the  bottom  See Figure 54   Make certain not to clamp  molor housing to tight and distort i  There is a needle  bearing and a bearing race that should come out  with the output shaft  if not pull them out from the   bottom  See Figure 46 Parts break down and Figure  55   The Pressure seal and backup ring will stay in  the mounting flange  See Figure 56                       Sen       SEES    Sr    NS VE     NSSA  2 cap soo                 bie Spacer   ven pet    Sab Goo                   Spacer Plate                        Figure 54                           Figure 55                           Needle Bearing        Qu  A C  Motor Housing    7  Mounting Flange                Switch Blade 5 A 6  Service Manual  02 05       2005 Alamo Group Inc  Section 4 8             MOTOR P N 02974301 DIS ASSEMBLY             10  Remove Mounting Flange  Remove the mounting flange by removing the four socket head bolts  that boltit to the molor housing  DO NOT Use an impact tool to remove these bolts as they are installed  with locktit thread lock  See Figure 55   These bolts are installed with Locktite  it they are stuck use a  propane torch as shown to heat the area where the bolts screw into the motor housing  this will soften   the lockite and make it easier to remove bolts  it should only take B to 10 seconds for the locktite to heat  up  The Bolts are tightened t
54. e replaced only   2      Itwilnotbe require toremave any ot  the hydraulichases or eventake themloose   The Motor can be unbolted from the drive  assembly and aid aside with the hoses still  connected  The motor has a splined shaft  that mates to the hub adapter    3  Looking down atthe planetary drive    and Hydraulic Motor Assembly  there are  four nuts in the plate that is attached to the  drive assembly  Remove these four nuts  it  you want to remove the four carriage bolts  the skid shoe wil have to unbolled and  removed  When lifting the drive assembly       and away from the cutter bar take notice  of the four tube spacers under the drive  assembly  there are two different length of        Hub Adapter         spacers  The short ones go to the rear        S  Knife Drive  andthe long ones go tothe front  See Figure   lud Bearin          Stud Bearing       4             are two ways to remove       Support  the knife drive assembly from the cutter       TY          5  tt istoremovethetwoknitecrive      Bots      boltthatretaintheknitedriv  studtothe drive      Sao Dive  assembly support bracket  this allows the iud Brg Mnt          drive stud bearing assemblytostaywihth   Ligure 27 Bolts                cutterbar  See Figure 27   6      Or2nd thereisa clamp bolt onthe Knife Head Weldment  loosen the clamp bolt this wil allow  the Knife drive stud bearing to pull out ofthe knife head weldment clamp or off the knife drive stud bearing  assembly   See Figure 23  amp  24  Once
55. e the two  flange bols and this wil allow the motor to pull up out  of the drive assembly  make certain not to drop or  loose the key trom the motor shaft  The motor can bo   removed from the mower now and given good  cleaning if needed  make certain the motor ports         plugged during cleaning  See Figure 48  amp  49         4  Clean All Components  Tools  amp  Work Area   Cleanliness is extremely important when repairing any  hydraulic component  Work in a clean area and with  clean tools  Do not use rags that will leave lint or dust   Do not use solvents that are dirty or contaminated   use caution some solvents will damage rubber  components  If solvent are used thay must be  thoroughly dried before any assembly work and clean  paris should have the machined surfaces coated with  clean  compatible  hydraulic          5  Clamp Motor In Vise  All drawings wil nat show  the motor clamped in a vice  we recommend that you  keep the motor in a vise during disassembly  The  drawing may show a motor with a 4 bolt flange even  though Alamo Industrial uses a two bolt lange motor   the 4 bolt flange is for illustration only and is not used  by Alamo Industrial at this time   See Figure 50  Clamp   motor in vice  clamp across edge of mounting flange  with output shaft down  See Figure 49   When  clamping motor in vise  use protective device on vice  such as special soft jaws  piaces of hard rubber or  wood blacks to protect pump flange from damage     6  Remove End Cao  The end ca
56. es or even take them loose  Looking dawn  atthe planetary drive  and Hydraulic Motor Assembly  there are four nuts in the plate thats attached to  the drive assembly  Remove these four nuts  if you want to remove the four carriage bots the skid shoe  wil have tobe unbated and removed  When liting the drive assembly up and away from the cuter bar   ake notice of the four tube spacers under the dive assembly  there are two different length of the  spacers  The short ones go to the rear and the long ones go to the tront  Once the drive assembly has   been ited of you will see a nylon bearing inthe knife bar head clamp itshouldhave stayed    the clamp    There vil be two more bolts connecting cuter bar to break a way assembly once these nuts  are removed the cutter bar shouid ft up over the bolis if they were left in  There willbe a square plata  Under he cuter bar that has 4 holes in it  make certain to note this for reassembly   When renstaling cutter bar reverse the disassembly procedures  Make certain the nylon  bearings in good condition or replaced  sometimes the clamp wil have ta be loosened to get the nylon  bushing installed into clamp and the drive stud that is attached to the drive assembly with two socket  head bolts  DO NOT tighten clamp bolt now  This dive stud can be unboted from drive assembly   inserted into nylon bearing and re boted to drive assembly later    The nuts on the carriage bolts  4 short and 2 long 3 4  carriage bolts  that retain the drive  assembly
57. est on the ledger plata to make a shear cut  This             means the guards  ledger plate  wear plates          andknife headcaps mustbein good condition and  correctly set  these parts become loose or worn   the knife will        around in the cutter bar  chewing  and tearing instead of cutting        Guard Adjustmen  4  To align the guards  the only method pro  vided to accomplish this very important adjust   ment is to bend the guards into alignment with a  hammer  No easier method has been found to  adjust heavy duty guards which wil stand up in  rocky conditions           Continued Next Page          Switch Blade 5 A 6   Service Manual  02 05    2005 Alamo Group Inc        Section 2 7             CUTTER BAR ADJUSTMENTS                   Note  Guards are cast from alloy steel  If they            worked to much  they will harden and cannot be bent   In this case remove the guard from the bar and  remove the ledger plate  Heat the guard to a cherry  red and cool  This process will anneal the guard     enough that it can be bent    2  Raise thebarto about 45    Make certain the knife  isatthefullretracted position of he stroke so the flywheel  doesn t suddenly turn and catch your fingers in the knife   A pair of Vise Grip Pliers gripped tightly to the knife on the WRONG  upper side of the rock guard wil allow extra protection   against cutter bar from turning  Make certain the Tractor  is secured so it cannot be started until you are the one   who decides to star it when 
58. f manual    5 mm  3 16   Hex Key   Shaft Pressure Seal installation tool  Eaton Co  Tool P N 600523   Seal Sleeve Installation Tool  Eaton Co  Tool P N 600304   Tools are Available by special order through the Eaton Co  Service Dept        zonm    2  Hydraulic Motor Schematic  Shown below is a breakdown of all the components that are in the  motor assembly  Using the parts manual for part number listings this manual with the Operators manual  and Parts manual should aid you to identity and repair the hydraulic motor   See Figure 47   Note  some   drawing may show 4 bolt square mounting flange  this is for ilustration only motor will have a 2 bolt  oblong flange as shown in later drawings           Presse        Sal Wiser              En       e  Tat   asap   P   p  X p          0 mes 2   iom set      Mortis                                 rosna    Figure 47                            Switch Blade 5 A 6  Service Manual  02 05    2005 Alamo Group Inc  Section 4 6       MOTOR P N 02974301 DIS ASSEMBLY             3  Remove Motor From Drive Assembly  First lower  the cutter barto the ground until the cutter baris resting  on the ground  Clean the mower  motor and all hoses  with fittings  Make certain there is not dirt or  contamination on the uni that can get into the hydraulic   system  Remove the two hoses that are connected to  the motor  Cap the hoses and the fitings on the motor  to keep them clean  Remove the motor cover to gain  access to the two motor flange bolts  Remov
59. filter has a oil pressure retum gauge  This  is designed to monitor the return pressure of the      as itis returned to the retum fiter  tis measured on  a green  amp  red scale on the gauge  green being ideal return pressure and red being return pressure is  to high  When checking this make certain that the oils up to operating temperature  Cold oil can show  a high return pressure because the      is thick from the temperature being cold  The Breather cap is     mounted to the filter assembly  The breather has replaceable components that are available in a                            Switch Blade 5  amp  6  Service Manual  02 05    2005 Alamo Group Inc  Section 8 5          HYDRAULIC TANK REPAIR             is plugged or missing  See Figure 93    94         il Level   Temperature Sight Gauge      The ailevel  temperature sight gauge is located  on the side of the tank  The mounting bolts for this  Gauge screw directly into the tank  These are special  bolts that will only work with this gauge  Do not  remove these bots tank has o init because the oil  wilrunoutofthebotthole  fgauge hastobe removed  the      level wil have to lowered unt it is below the  bottom mounting bot  See Figure 95  amp  96       The clea area aroundthe temperature gauge wil  show the oil level in the tank  See Figure 96     Suction Strainer    The suction strainer is screwed into the bottom  side on the tank  See Figure 93  amp  95   To replace this  the oil will need to be removed from the tank and t
60. gure 1   When the unit was shipped  it should have been shipped with assembly instruction sheets and  or assembly manual which should  list the hose part numbers that apply to the application  Retain these record for future use in ordering  paris  NOTE  Do not use Teflon Tape on any hydraulic itings  use only liquid sealer on NPT fiting and         on the OD of fiting never the ID                          Switch Blade 5 8 6   Service Manual  02 05      2005 Alamo Group Inc  Section 4 4       HYDRAULIC DIAGRAM   DUAL LH WING          Shown below is the Hydraulic Diagram for the Dual Wing Model                 Two Spool Control Valve  amp  Switches               bow  LH Break A   ET    Divener  Valve   Motor  Control        AN  LH Actiater                LH  Cylinders                 RH Actuater                  Figure 46A                      Switch Blade 5 A 6   Service Manual  02 05    2005 Alamo Group Inc  Section 4 5             MOTOR P N 02974301 DIS ASSEMBLY             Hydraulic Motor Dis Assembly Information   1  Tools Recommended to Make Motor Repairs  The following is a recommended list of tools required  to make repairs to the motor   A  Torque Wrench  34NM  300 in  lbs  capacity   B  300 400 mm  12 16 in   breaker bar   C  5 16  12 point socket  heavy duty 56 nm  500 in  bs   capacity    D  Small Screwdriver  150   200 X 6 mm  6  8 X 1 4  flat blade  that can be modified to do a  particular function  see screwdriver modification Instructions later in this section o
61. h other  Torque  the four bolt in a cross  See Figure 89  pattern to   100 in Ibs  Reset torque wrench to 250 inch lbs   and tighten four bolts again in the cross pattern   Reset the torque wrench again to 420 inch Ibs  35  ft  bs  and finish tighten the four bolts in the cross  pattern  See figure 89   DO NOT TIGHTEN any       one bolt at one time  you will damage the pump   The more steps used to tighten bots the better the  chance the components are tightened squarely   21      Install Pump Back on Tractor  Align the   pump shaft with the drive shaft coupler and        Pump in unti the pump is seated  the pump   mounting flange machined pilot ring must be into  the machined center hole ofthe pumpmount plate   which is bolted to the tractor  Do not use excass   force to make pilot ring go into the mounting plate   Pilot ring should only      tight enough to hold pump   straight     pump is straight install the two pump   mounting bolts and tighten them down alternating  fromonetotheotheruntithey areboth ight andthe   pump is mounted straight   See Figure 90     22      Ro Connect Hoses and Fittings  Reinstall  the fittings for the hoses the same way they came    out of the pump  See Figure 90   Connect the     suction hase onto the hose bib atthe pump  At the   tank end pour clean oil until it is full to about the  hoses highest point  any higher the cil will run out  when connecting hase tal tank  Reconnectother     end of suction hose to tank    23      Rafilthe Oi  Tank 
62. have ID of 73 mm  2 875         coat the searing with oil or petroleum jelly   The Spacer ring will fit down over the seal ring   the bolt holes in the spacer plate must be aligned  with the bolt holes in the motor housing  See  Figure 67      14  Install Gerotor  The Gerotor must be timed  with the output shaft in order for the motor to start  in the correct rotation when engaged  The motor  is set to be what is considered standard rotation                            Figure 65          Bra  Rig         mi  Us                             a u                   Figure 67                      Figure 68                            Switch Blade 5 A 6   Service Manual  02 05    2005 Alamo Group Inc     Section 4 13             MOTOR P N 02974301 RE ASSEMBLY             15  Timing Gerolor  To time the gerotor with the output shaft  Find the timing dat on the output shaft   See Figure 69    draw a straight line across the out put shaft with the felt tip marker  See Figure 69    Put a  Ink marker  mark across the inner star part of the gerolor and the OD of the gerotor when the  star is aligned with one tooth of star in valley and opposite one pointin to the high mark of gerotor  See    Figure 69  These will become the timing marks    Make certain the round seal is installed  between gerotor and the spacer plate  See  Figure 68   Seal should be coated with clean         Si the gerotor and star down onto the output  shaft splines  make certain the mark across the  input shaft  the mark 
63. he  suction hose will need to be removed  The suction  Strainer will screw out of the tank and the replace   ment will screw back in  Inspect the strainer when it  is removed as this wil give a good indication on what  contamination may be in the tank    If tank needs to be washed out  it is best to  remove the other components from the tank to pre      vent contamination rom geting into them  Itis best to  Use anon petroleumbase solvent  thetank shouldbe  allowed to air dry before reassembling it after it has  been cleaned  Replace all gasket when reassem  bling tank        Magnetic Drain Plug    Figure 95 Jil             The Breather cap is mounted o the fiter assembly  The breather has replaceable components that are  available in a      or the complete breather assembly can be replaced  DO NOT operate it breather asy       Top Cover               Return    Pressure Gauge    Filter Canister         Mount  Flange    Figure 94 Air Breather          Oil Level  amp                                Temperature Sight Gauge          Figure 96                         Switch Blade 5 A 6  Service Manual  02 05      2005 Alamo Group Inc  Section 6 6             HYDRAULIC TANK REPAIR             Tank Access Cover  amp  Gasket    The tank access cover uses a gasket to seal the   covertothetank  To remove this cover for any reason  itis best to remove the motor direction control valve    solenoids assembly  Itwil notbe required to remove  the hoses as the valve can be set off to one side 
64. he groove closest to end of plug   Push plug into motor housing so plug so plug and  housing are flush  Be careful nat to damage O Ring  Seal when doing this  See Figure 60      2  install Output Shatt in Motor Housing  Lubricate the     output shattin the two wear areas  See Figure 61   The  Output shaft wil side down into the motor housing  without force     3  install Needle Bearing  amp  Bearing Race on Output  shaft Install the needie bearing down over the output  shaft and down into the motor housing  In some cases  itis easiest to pull the output shaft out of the motor  housing a short distance and push the bearing and race  down over the shaft  Then push all three items into the  molor housing together  See Figure 61   The Bearings  race must rotate freely when in position  check this now   if it does not something is wrong  Remove parts and  find out what is wrong     4  install Exclusion Seal in Mounting Flange  The first  thing that needs to be done is inspect the seal seating  surface of the mounting flange  Lock for any scratches       burrs are the seal seat  make certain that there are  no sharp edges around the top of the cut for the seal  area  if there is it wil cut the OD of the seal when itis  installed and it wil leak  Install the Exclusion seal by  pressing it in from the outside of the mounting flange     making certain the seal installed in the correct direction    Gee Figure 63     5  install Back Up Ring  amp  Pressure Seal  Use the Seal  installatio
65. l cable stand   mount  the toggle     switch connections will be the same for wiring        the mounting of the switch itself wil be diferent                                                                                            Sun   one          a a tt ja iee art appel zd pred        ST ce pi gus e ut te oh  Mad mm              u  Figure 2B This Wire Harnes Used for LH Wing  Figure 2C  H  al  TIR nem  f    B            Center Hole Figure 2D                            Switch Blade S 4 6  Service Manual  02 05    2005 Alamo Group Inc  Secion2 5          MOTOR   PUMP ELECTRICAL CIRCUIT             Motor  amp  Cylinder Diverter Valve  Solenoids  Used w Dual LH Wing   This Only applies if unit has a LH dual Wing  RH  Wing Only models DO NOT use diverter valves  The  diverter valve is a solenoid operated electrical acti   vated directional valve  I is designed to send the oil  flow to  onewingorthe other  NOT toboth atthe same  time  The flow of      pressure to the motor and  cylinders is controled bythe operator  he can run one  wing at a time  The Solenoids can be removed and    Or changed without removing the diverter valve or the  valve connections  There is a nut on the end of the  solenoid that when removed will allow the coil and  tube assembly to be removed  The solenoid can be  replaced as an assembly or by parts  The wire         plugs will have to be disconnected from the calls  There are no adjustments fo the solenoid or  valve  See Figure 98    To test the solen
66. l parts must be kept clean  during assembly       tools and work area must  remain clean  After partsare cleanedi they are not    to be assembled right a way coat the parts with  clean new hydraulic      to prevent any rust  Lip Seal  2  Instal NowLip Soalinto Pump Mounting Fange    Figure 83    Inspect the seal seat area in mounting flange    make certain there are no scratches or burrs in  seal seat area  Press the new seal into the mount  ing flange with the lip seal garter spring facing  toward the inside  Press seal in until it is seat  against the inner ridge of seal seat  If pump has a     snap ring reinstall it into the seal opening and  against the seal now   See Figure 83   Coat the ID  of seal  Shaft Run Area  with ight grease or Petro   leur Jolly to lube seal on start up    3  lamp Pump Mounting flange in Vise  use  caution not to damage the flange  See Figure 84     butmake certain the pumpmountfiange is straight U   up with shat lip seal pointing down  Make certain  e   pump is securely clamped in the vise  DO NOT    Figure 84   clamp pump in vise by the machine pilot ring on   mounting flange  See Figure 83  amp  84   it could  Thrust Block  damage the piloting and prevent pumpfrombeing   mounted straight    4  Install First Thrust Block  There are a total of  four thrust block used  All four of these blocks are  the same  They MUST be installed correctly to     operate correctly  The Thrust block will have two  different side  one side is smooth  Gear Side  a
67. lade 5   amp  6  Service Manual  0205    2005 Alamo Group Inc  Section 4 14          Section 5    Pump  Repair                PUMP ASSEMBLY REPAIR             INTRODUCTION       Theinformationin this Section of Book s reprinted with Permission of the Pump Manufacturer   This Section of Book provides service information for the Gear Pump  Step by Step instructions for  the completo disassembly and reassembly of the Pump are given  In Most diagrams there are no  Component Part Numbers Listed  Only Itam numbers and Descriptions  This is because most parts  shown as breakdown in drawings are for location  amp  identification only and may not be available as  replacement parts  NO Dir at all should be around Parts during repairs     BEFORE STARTING REPAIRS  Service Rules  READ THIS    1  Remove Front Cover  Clean Pump and surrounding area completely before removing  any connections or Lines  NO DIRT OR DEBRIS CAN BE ALLOWED ON OR NEAR   HYDRAULICSYSTEMIFITISBEING WORKED ON  ANY DIRT OR CONTAMINANTS  INSYSTEMNO MATTER HOW SMALL WILL DAMAGE SYSTEM    2  After cleaning around all connections thoroughly  Disconnect all connections  Lines   Hoses  Wiring and Remove the Pump Completely from the Tractor  Plug all hoses and  Lines on Tractor and on Pump  DO NOT leave any open Lines  NO Contamination     Should be allowed into system at         3      Clean Area  Clean all Tools  Pans etc  The cleaning of Area and Tools MUST be done  before moving  Cleaned  Pump there  Drain      from Pump
68. leaning operations  It is not necessary to remove  cured locktite that is securely bonded in tapped holes  however  any loose particles of cured locktte should  be removed    After cleaning blow dry with compressed        clean and dry tapped holes to make certain there is       solvent or debris in them    Wire Brush the threads of the bolts to remove  any cured locktite and other debris  Discard any bolts  with damaged threads or heads  Wash bolts with  non patroleum solvent and blow dry        Bend Tp _    vody  Scent     shin  Remove                  Figure 57                   Pressure Seal       Bat Up Rex  00   nd  009 Matos                 Work om our side for ot  er  Sols       Figure 58                         5 mm  3 167  Hex Allen Wrench        Seal  amp  Plug                      Figure 59   14  Replacement Parts  Use the Parts Manual   Listing to order replacement parts for this motor  Make   certain to order the seal ki  Always use new seals   when installing new parts and coat tho seals  bearing   any other parts with petroleum jelly    Switch Blade 5 A 6  Service Manual  02 05     2005 Alamo Group Inc  Section 4  10             MOTOR P N 02974301 RE ASSEMBLY             Hydraulic Motor Re Assembly Information     1  install Plug  amp  Plug Seal  The Plug and Seal are  installed from the front of the motor housing  Lubricate  the new plug seal and install it on the plug  Some plugs  have two O Ring grooves but require only one O Ring   Install O Ring Seal in t
69. lection   Electric Reversible Drive Direction   Side Mount o Tractor Standard   Factory or Field Mount Option   Standard  Extra Copies Optional   Yellow Standard  Special Colors Optional  Optional      Tractor Engine Driven    2 Size Option  CID    Tandem Gear Pump    1750 psi    9 to 10 gpm   3000 psi    3 5 to 4 5 gpm   Bolton   Standard 3 16  Abraision Resistant Alloy  Standard w AG Shoe  amp  Swathboard Option   Standard  Manual Lock   Hydraulic Lifting and Folding       Switch Blade 5  amp  6  Service Manual  02 05    2005 Alamo Group Inc     Section 1 4                   USING AN ADAPTER WITH A TORQUE WRENCH                   How To Compute Torque When Using An Adapter             A    LOAD MUST      APPLIED AT CENTER OF  KN  RLED GRIP  HANDLE  AT ALLTIMES              Figure 1 Typical Torque Wrench Shown                   It an adapter is attached to the drive of a torque wrench  the wrench will not give actual torque  indicated by the setting of the handle  A simple formula however  allows you to figure out what the  setting should be to deliver a predetermined amount of torque at the end of any adapter to the  fastener     The following letters are defined as     Length of the torque wrench when set at the middle scale setting  inches    Length of adapter  inches from center hex bolt to center of torque wrench square shaft   Desired torque at end of extrusion   Setting for accuracy within   or   6      con         Here is a typical problem  You have an adapter that a
70. lign the drive assembly  Support bracket with the two bolt holes for the drive stud bearing  KEEP YOUR HAND away irom the  cutting blades they are sharp  After the two 10 mm               installed into tho drive stud bearing torque  them to 35 ft  bs  The drive assembly can be checked prior to bolting on the motor  Use a punch or rod  thatcan beinseried into the holeon the OD ofthe flywheel  KEEP YOUR HANDS OUT OF THE KNIVES    This will check to make certain the cutter bar is not binding and also check to mako certain the drive stud  bearing is rotating freely    12  With the drive assembly bolted down to the skid shoe weldment and the knife drive stud bolted  to the support bracket at the bottom of the knife drive assembly  The Clamp Bolt on the knife head  weldment will need to be tighten down  CAUTION MUST BE USED when tightening the clamp        to  prevent the knife drive stud beading from being damaged  Before tighten you should be able to slide the  knife head weldment with the nylon bearinginiti slide the bearing and knife head weldmentup and down  slightly on the knife drive stud bearing  Slowly tighten the clamp bolt checking this up and down  movement  When you have tighten the clamp bolt and al the up and down movement between the knife  head weldment  Nylon Bearing  is removed the clamp bolt wil be tight enough  Do not over tight clamp  bo as damage to the knife drive stud bearing can be damaged  The Knife head weldment clamp has  tobe inthe right position up a
71. llow any  contaminants to enter system through fittings when installing them     TORQUE VALUES   BOLTS  Recommended Torque  Ft  Ibs   amp   Nm    IMPORTANT  Listed below IS BOLT TORQUE and NOT APPLICATION TORQUE  Component   Application Torque willvary depending on what is bolted down and the type material  Metal  that s baing            together  Thread condition and lubrication will vary Torque settings                                                                                Inche Sizes Metric Sizes   Ba  287750   SM was   8  Dia   a  CES       Nm           piainHead 3 Dashos  6Dashes  MARKINGS       7  5 1419 o      2  E ED  TOP 8 4   EH zem or    E  ve sus   asin   tao ea BOLT x              HEAD    n       Jet   sto dam     ere  THE Ed m        ion   das         sas aay   OTHER    m  DA Soc            BOLT 5       u             100 DESCRIP    5  E  i TIONS   200  Switch Blade 5  amp   amp   Service Manual  02 05    2005 Alamo Group Inc  Section 1 6                Section 2    Mechanical Repairs   amp  Adjustments    RH  amp  LH Models    IMPORTANT NOTE    The RH Single Wing and the LH Dual Wing adjust and repair procedures are  the same with the exception it will be a mirror image and mounted on the opposite  side  Make note which you are working on  the illustrations in this manual are  showing mostly the RH Wing              Switch Blade S 4 6  Service Manual  0205    2005 Alamo Group Inc Section 2 1       INTRODUCTION TO REPAIRS                INTRODUCTION  in M
72. main   frame  The mounting frame to attach to the tractor ed  will vary rom tractor model  but the way the car     Figure 25      Assembly          arm is pinned to wil not  Drive the carriage  1907 25 z   pinsoutand carriage armwillift out  See Figure 24   254 26   CariagePin    Carage Pin               To reassemble the carriage arm reverse  the disassembly instruction  insert carriage arm   insertcarriage arm pins  instal rl pinintocariage  arm pin  Instalithe liftandtiltcylinders  make certain  hoses connecting to the cylinders is not twisted or  routedwrong asthey couldbe damaged  Attach he  back pivot plate with the carriage pin  Bolt the  cutterbar   skid shoe assembly to the back pivot  plate  note the two lower holes in back pivot plate  are siotted on a curve  Flatwashers wil have to be  usedonthese twolowerbolts  See Figure25  The     7    pitchol ho cutterbarwillhave tobe readjusted  see  BATT  gt y   pitch adjustment instructions in earlier pages  See           Pear View Front View  Figure 4  amp  26                       Figure 26                Switch Blade 5  amp  6  Service Manual  02 05    2005 Alamo Group Inc  Section 2  16          KNIFE DRIVE REPAIR   REPLACEMENT                Knife Drive Assembly Repair   Replacement  d      The krile drive assembly wil be limited to the parts that can be replaced  The Actual knife drive  subassembly is not a repairable part and wil not have replacement parts available  components on the       knife drive assembly can b
73. n  T  Port          ZNA                     Retum Prom Acris        ee       Conta Valve Return _  Pressure From Pump To Cylinder    ff  ContoiVilve  pun                   Switch Blade S  amp  6  Service Manual  02 05    2005 Alamo Group Inc  Secion3 3       HYDRAULIC DIAGRAM   DUAL WINGS             Shown below is the Hydraulic Diagram for the Dual Wing Model         Ve X       Motor    Control  N Ai          Two Spool Control Valve  amp  Switches         LH Break A     LH Actuater                                  Cylinders                                  Switch Blade 5  amp  6  Service Manual  02 05     2005 Alamo Group Inc  Section 3 4                      Switch Blade 5 A 6  Service Manual  02 05     2005 Alamo Group Ine          TWO SPOOL CONTROL VALVE REPAIR                Torque to 30 t035 ft  bs   407 475 Nm     6 2 59 35                   M e             Upper cross Section View       17  18  19 Atleast one shim must be installed                22      Torque to 21 to 24 ft bs   28 5 to 32 5 Nm   13 44 20  1 23  10 Torque to 2010 25 ft bs   27 1 to 33 9 Nm   34   27  Se 6   33  30  32               Be   Breather Must Not be Plugged wih Paint    4 15 12 8l       25 29 21 Torque to 20 to 251  bs   27  to 33 9 Nm     Lower Cross Section View   Coat Delent Parts With Grease    24 24             Figure 29                      Switch Blade 5 A 6   Service Manual  02 05      2005 Alamo Group Inc  Secion3 5       TWO SPOOL CONTROL VALVE REPAIR                    PartNo     
74. n tool  Eaton P N 600523   Lubricate ID of seal  tube and OD of Pressure Seal with light flm of clean  petroleum jelly  Align small ID end of seal tube with seal  seat in mounting flange  Install Back Up Ring and  pressure seal in tube with lips of seal face up  See Figure  63   Insert Seal Driver in tube and firmly push seal seat  with rotating action  IMPORTANT  after installing seals  in flange examine condition  if damaged or improperly  installed  you must replace them before continuing with  assembly  See Figure 63        MotorHousing          Figure 60                   tennis          Stat       Noa rus aig             Figure 61                         Pressure Seal       Jc   Backup Ring    008 and  000 Mots     ichsion Seal    outing Pange       Figure 62                   Switch Blade 5 A 6   Service Manual  02 05    2005 Alamo Group Inc     Section 4 11             MOTOR P N 02974301 RE ASSEMBLY             6  Install O Ring Seal Install the 48 mm ID  round seal into flange mounting groove  Coat with  a light fim of clean petroleum jelly  See Figure 62    Do Not Streatch round seals before instaling them   it you do they wil not ft        7 Use Lockite Primer tor Mounting Flange  Mounting Holes  If Shaft   Needle Bearing and  Bearing race are installed correct the bearing race  should be partially in motor housing and partially  rising above motor housing  See Figure 64  amp  65   Inspect the threaded holes in the motor housing   make certain they are clean and dr
75. nd  the other side will have a seal groove init  Seal  Side   The smooth side will aways be against the  gears  The seal groove side wil always be against  the fiat surface of the Mounting flange  middle Figure 85     spacer plate and end cap  See Figure 85   There   is Plastic Back up seal that wil fit into thrust block seal groove and there   s rubber channel seal that v    fit into the back up seal  these will never be installed on the gear side of thrust block  Light grease or  petroleum jelly canbeusedtohold seals nthrustblock during assembly  IMPORTANT I The Thrust block  MUST be installed to get the correct rotation out of the pump without blowing the seals  When installed  correctly the CENTER  See Figure 85  of the Back up and Channel seal must point toward the Low  Pressure side  Suction Side  of the pump  Aligning the Block and seals set the Thrust Block down onto  the mounting flange aligning top hole of block with hole in mounting flange  See Figure 86   NOTE  The  low pressure  suction Side  of pump wil always be on the drivers side when pump installed on tractor                                                   Rubber            Plastic                          Switch Blade S 6  Service Manual  02 05    2005 Alamo Group Inc  Section 5 9          PUMP RE     ASSEMBLY             5  GearSetinstallation  There is a drive gear and   a driven gear  The first section of the pump isthe  large gear section  Coat the input shaft with petro   leum jelly where shaft goes 
76. nd down on the knife drive stud bearing so the cutter bar in center for height  to match the cutter bar    13  Instal the Motor onto the hub adapter by Et mer  aligning the Key on the motor shaft with the key slot Kee Dove  in the adapter hub  Install and tighten the two 1 2  Asy  NC X 1 1 4  GR 5 bots that retain the motor to the   drive assembly  See Figure 28   the hoses should  all ready be connected  but if they are not you will  needto consuitthe hydraulic schematic  See Figure  1  showing the hose routing for the motor    34  Recheck all the installation to make certain  that the bolts have all been installed and aro tight     ened tothe required torque  Make certain all guards   and shield have been reinstalled before staring  tractor or mower  Figure 28                                     Switch Blade 5 8 6  Service Manual  02 05    2005 Alamo Group Inc  Section 2  18                Section 3    Cylinder  amp  Two Spool    Control Valve Repair             Section 3 1          INTRODUCTION TO REPAIRS                INTRODUCTION  in Most diagrams there are no Component Part Numbers Listed  Only tem  numbers and Descriptions  This is because most parts shown as breakdown in drawings are or location  identification only        available as replacement parts wil be istedin the Parts Operators Manual  NO  Di at al should be around Parts during repairs     BEFORE STARTING REPAIRS  Service Rules  READ THIS    1  Remove Front Cover  Clean Pump and surrounding area completely 
77. nformation you need     The OCCUPATIONAL SAFETY AND HEALTH ACT  1928 51 Subpart C  makes these minimum safety  requirements of actor operators     REQUIREDOFTHEOWNER     1  Provide a Roll Over Protective Structure that meets the requirements ofthis Standard  and   2  Provide Seatbelts that meet the requirements o this paragraph of this Standard and SAE JAC  and   3  Ensure iat each employee uses such Seatbelt while the tractor is moving  and   4  Ensure that each employee tightens the Seatbelt suliienly to contine the employee to the protected  area providedby the ROPS        REQUIRED OF THEOPERATOR    1  Securely fasten seatbelt if the tractor has a ROPS   2  Where possible  avoid operating the tractor near diches  embankments  and holes    3  Reduce speed when tuming  crossing slopes  and on rough  slick  or muddy surfaces   4  Stay of slopes too steep for safe operation    5  Watch where you are going   especially at row ends  on roads  and around toes    S  Do not permit others to ride    7  Operate the tractor smoothly   no Jerky turns  stats  or stops    8  Hitch only to the drawbar and hitch points recommended by the tractor manufacturer   9  When the tractors stopped  set brakes securely and use park lock  i available              Keep children away from danger all day           V  Equip tractors with rollover protection  ROPS  and keep all machinery  guards in place              Please work  drive  play and live each day with care and concern for       your safety an
78. ng  the results of any required trouble shooting techniques  Ifthe information is not available  The technician  may be asked to get the information and call back  Most recommendations for repairs will be based       the procedures listed in the Service Manual   Trouble Shooting Guide           CONTACT ALAMO INDUSTRIAL   Alamo Industrial  1502 E  Walnut St  Seguin TX  78155   Technical Service Dept  PH  830 379 1480       Switch Blade 5 A 6  Service Manual  02 05    2005 Alamo Group Inc  Index t          INDEX             Section       Section 1 Specifications  1  Do Not Do or Allow tems  Read First Thing   1  Standard Specifications  1  Torque Wrench Use Specifications  1  Hose End Fiting Torque Specifications 1  Nut  amp  Bolt Torque Chart 1    Section 2   Mechanical   Electrical Repairs  amp  Adjustments              Introduction   Motor   Pump Electrical Circuit 231026  Cutter Bar Lead Adjustment  27  Cutter Bar Pitch Adjustment  27  Cutter Bar Alignment  27  Cutter Bar Guard Adjustment  271028  Cutter Bar Wear Plates  28  Cutter Bar Clips  29  Cutter Bar Replacement  240  Knife Repair  28  Knife Replacement  2910212  Knife Bar Replacement  240   Outer Shoe Replacement  243  Inner Shoe Replacement  21302415  Rock Guard  Clip 8 Wear Plate Replacement  213  Carriage Arm Replacement  216  Knife Drive Repair   Replacement  21710218   Section 3   Cylinder  amp  Two Spool Control Valve Repai 1 to 3 13  Introduction  32  Hydraulic Diagram  331034  Two Spool Control Valve  351035
79. o 300 to 400       Ibs of torque so it will take at least that much to remove  them  gradually apply pressure on bolts to loosen them up  Note  once this heating is done the seals  are may be damaged and need to be replaced  DO NOT use heat if you do not intend to replace the  seals  The Pressure Seal  Backup Ring and Exclusion Seal will have stayed in the mounting flange  Figure 56 shows the seal removed but this is for illustrations only  they will have to be removed  The  next steps will explain how to remove these seal    11  Remove Pressure Seal  Backup Ring and Exclusion Seal  A tool to remove the seals can be  fabricated from a fat tip screwdriver  See Figure 57   Ts wil require bending and grinding the screwdriver  tip  Use a file around the radius of the tip to make it as smooth as possible before using it  You want to  make certain you do nat scratch the ID of the seal seat cavity because a scratch can allow leakage  around seal OD  Using the screwdriver that you modified stick the blade in from the out side and pry  against the pressure seal and back up ring  use caution not to damage seal seat area  See Figure 58    Next use the screw driver to remove the exclusion seal from the mounting flange  Work from the outer  sida to remove both seals  See Figure 58        Heat with a Propane  torch to melt Loctite              Cap Screw  4  Pressure Seal    Mounting Flange    Exclusion    Seal           Back Up Ring    Seal                      Switch Blade S A 6   Service
80. oid this can be done with a test light      a volt mater  Test the wire harness first to  make sure that the connections are good and there is current present  REMEMBER the solenoids are     connected to the toggle switch which means bath diverter valve solenoid are energized at once  and this  is determined by the toggle switch  I you check one solenoid and it has current then check the other  solenoid at the plug    The coil can be tested by using a small paper clip  Remove the solenoid coil retaining nut  Energize  the coil and stick the small paper clip to the end of the stem sticking out of the coil  The paper clip should  stick to the stem magnetically and falloff when the coil power is shut of  Note  use a small paper clip or     small wire as the magnetic pull of coil is very low and will not carry a heavy weight  The coil is working  properly it it held the paper clip    if all      test show to be OK  check the stem that screws into the valve body  The best way to check  this is to try a different one  the other one on the other side of valve can be switched or a new one can  be tried  When removing the stem inspect it when you get it out to see if there is something stuck in it     Solenoid Coil           Cylinder Diverter  Valve   4 Ports        Solenoid Coil       Motor Diverter  Valve   8 Ports              Figure 2                     so S CET       apte   n  NES M gants y       FM         CRA                                        Figure 2F                    
81. on valve always clean the  exterior ofthe valve and hoses before discon   necting them  After disconnecting the hoses  cap them with clean caps to keep contamina  tion out othydraulic system  When disassem  bing the vaivemakecertainthe OD of itand all  work areas are clean  do not use dirty tools or  rags that wil leave lint  Only lint free towels   paper or suitable type  can be used to wipe  down the hydraulic system  If any compo  nents need to be heldin the valve body during  assembly petroleum jelly can be used  DO  NOT Exceed the recommended torque set   ting listed in figure 29  When removing plug  item 11 watch the aty of washers that are          removed  this amountis what shouldbe started                            with when reassembling plug  Figure 30  Switch Blade S  amp  6  Service Manual  0205    2005 Alamo Group Inc  Section 3  6          REMOTE CONTROL CABLES             Yellow or White Wie        be       1  conected b tba                  0  Valve Sand will vany  one color wire to cach outer      with tractor model termina   3 5  Red Wite must  comectto    center terminal    iem 11 may be placed at any location along the  handle stack  It may also be tumed over and placed  at any location along the handle stack          Brown Wires on      X Eu na X  Red Wires on 9      fion Terminals    Length of Cables will vary depending on  actor model usod See Length of cables  listed to determine which is used  Qty of two Item 10  Switches must be installed  amp   ca
82. ontamination or the wrong type oil  The      reservoir  has    fter condition gauge located on the filter housing  The fiter will show in the red arc when the oil  filter needs to be changed or when the oil temperature is below 100 degrees F  The      fiter should be  changed after every 500 hours of operation or when the gauge shows in the red arc when the oil  temperature is above 100 degrees F  When changing the return filter  also replace the breather fiter  element  P N 02974319  located under the black cap  Refer to the Filter Assembly in the repair parts  manual  The all should be changed every 1500 hours of operation  the suction screen should be  removed  inspected  cleaned or replaced as needed  There is a magnetic drain plug in the tank  inspect  this plug for any metalic material that may be attached to it  The             be tested for contamination any  time you suspect the      might be contaminated  There are oil test kits that are available where you can  send off a sample of oil to be tested and they will return the result to you or you can contact Alamo  Industrial Technical Service Department for information about testing oi       Switch Blade S A 6   Service Manual  02 05    2005 Alamo Group Inc  Section 4 3          HYDRAULIC DIAGRAM   SINGLE RH WING                            Hydraulic Hoses   Most of he hydraulic hoses will vary in length and part number  this is because when mounting    units on diferent actors wil requiro dierent length hoses  See Fi
83. or housing and the four          holes are  aligned           Figure 63                     Pressure  Sel       E     Wen    E  Tue   Backup Ri     Ring 008   ade  Mots              Mounting       Flange                Place tip of applicator  atiop of threaded  portion     Ngly 3 or 4              each hole        Figure 64                         Switch Blade 5 A 6  Service Manual  02 05       2005 Alamo Group Inc  Section 4  12                MOTOR P N 02974301 RE ASSEMBLY             10  install Mounting Flange Mounting Bolts  Make  certain the Bolts are clean and dry  Il new bolts  are used make certain they are the correct length   match them with the old bolts or make certain  the thread length does not exceed 22 mm  875  in     See Parts Manual for correct replacement  part number    Re Clamp motor in vise  See Figure 66  as  shown  MAKE CERTAIN Shaft does not fall out  the bottom  Install the four bolts dry  alternately  from one side to the other tighten the bolts a litle  at time to keep the flange square until you have  tighten then to 250 in  Ibs   28 nm  of torque        11  Reposition Motor in Vise With Gerotor End  Up  Re ciamp motor in vise with output shaft     down  See Figure 50      12  Fill Motor Cavity wit Oil  With the motor in  the vise with gerotor end up pour proximately 35  CC of clean hydraulic oil in output shaft cavity     13  Install Housing Seal  amp  Spacer Plate  The  housing seal wil fit into a groove in the motor  housing  the seal should 
84. ost diagrams there are no Component Part Numbers Listed  Only tem  numbers and Descriptions  This is because most parts shown as breakdown in drawings are or location  identification only        available as replacement parts wil be istedin the Parts Operators Manual  NO  Di at al should be around Parts during repairs     BEFORE STARTING REPAIRS  Service Rules  READ THIS    1  Remove Front Cover  Clean Pump and surrounding area completely before removing any connec  tions or Lines  NO DIRT OR DEBRIS CAN BE ALLOWED ON OR NEAR HYDRAULIC SYSTEM IF  ITIS BEING WORKED ON  ANY DIRT OR CONTAMINANTS IN SYSTEM NO MATTER HOW  SMALL WILL DAMAGE SYSTEM    2  Aher cleaning around all connections thoroughly  Disconnect all connections  Lines  Hoses  Wiring  and Remove the Pump Completely from the Tractor  Plug all hoses and Lines on Tractor and       Pump  DO NOT leave any open Lines  NO Contamination Should be allowed into system at all    3  Clean Area  Clean al Tools  Pans tc  The cleaning of Area and Tools MUST be dane before moving   Cleaned  Pump there  Drain      from Pump  Recheck outside of Pump to Make Sure it is Clean   4  After disassembly of Pump wash all metal components in clean solvent    5  Use compressed Airto dry pars after washing  Compressed air must be fitered and moisture free   DO NOT wipe them dry with Paper Towels or Cloth as these will eave lint and or dust contamination   DO NOT USE Compressed Air to spin any component  Such as Bearings or Plates  as this will  
85. p Inc  Section 1 2                   SPECIFICATIONS   SWITCH BLADE                   The OCCUPATIONAL SAFETY AND HEALTH ACT  1928 51 Subpart C  makes these minimum  safely requirements of tractor owners and operators   Required of the Owner   1  Provide a Rol Over Protective Structure that meets the requirements of this Standard   2  Provide Seat belts that meet the requirements of this paragraph of this Standard SAE J4C   3  Ensure that each employee uses such Seat belt while the tractor is moving   4  Ensure that each employee tightens the Seat belt sufficiently to confine the employee to  the protected area provided by the ROPS   Required of the Operator   Securely fasten seat belt he tractor has    ROPS   Where Possible  avoid operating the tractor near diches  embankments  and holes   Reduce speed when turning  crossing slopes  and on rough  slick  or muddy surfaces   Stay off slopes too steep for safe operation  Watch where you are going   especially at row ends  on reads  and around trees  Do not permit others to ride   Operate the tractor smooth   no jerky turns  starts  or stops   Hitch        to the drawbar and hitch points recommended by the tractor manufacturer   When the tractor is stopped  set brakes securely and use park lock    available     Safety Recommendations    it is the business philosophy of Alamo Industrial Company to manufacture safe products for  use by our customers In the interest of your safety  we are bringing fo your attention practices that   
86. p is retained with  seven bolts they may have sealing washers amd they         not  check when removing bolts for these sealing  washer  Attar the bolts are removed the end cap will  lift of of the body  There wil be a sealing O Ring under  cap which wil usually come off with the cap  lit does  remove it from the cap  See Figure 51         Motor Flange Bolts        Motor           Mator Adapter  Bracket    Cutter Bar Drive  Assembly          Figure 48                                  Figure 49                      Figure 50                            Switch Blade 5 A 6   Service Manual  02 05      2005 Alamo Group Inc  Section 4 7          MOTOR P N 02974301 DIS ASSEMBLY             7  Remove The Garnier Remove the drive spacer rom the end  f used  and then remove the gerotor  assembly by iting up on it  There is a sealing O Ring under the gerotor  remove the O Ring it should  have came of with the gerotor  Inspect the gerotor components for condition by removing the center    component of the gerotor  See Figure 52      B  Remove the Gerotor Drive Shaft  Pull the splined Drive Shaft out of the pump body  make note this  shalt is splined on both ends  Make a note which way it came out  There is a spacer plate with holes in  it that will be removed with the drive shaft and under the spacer is sealing O Ring that wil be removed     See Figure 53      9  Remove the Output Shaft  First make certain  kay has bean removed from the output shaft  To  remove the output shaft remove th
87. pacers  The short ones go to the rear and the long ones go to the front  Once the drive assembly has  been ited you wil see anylon bearingin            bar head clamp should have stayed inthe clamp    There will be two more bots connecting cutter bar to break away assembly once these nuts  are removed the cutter bar should it up over the bots they were left in  There willbe    square plata  Under the cutter bar that has 6 holes in it  make certain to note this for reassembly    Use caution the knife bar can be very sharp  itis recommended that you wear gloves to protect  your hands  The Knife Bar wil side out at the drive end  titwil not side out then something is wrong   Check the rock guards  cips and other components to see where itis to tight  The easiest way it any  of hese make itto tight is to unbol hem and remove them for now  The new or repaired le bar wil  install the same way  it wil slide in rom the dive end under cps and between rock guards  DO NOT  Use hammer or force to install Knife bar  i it wil not side in find out why because if the bar is forced in  it willbe damaged or other component wil be damages  The Knife bar and cutter bar can not operate  fiting tightly together they wil bind causing damage    When reinstaling cutter bar reverse the disassembly procedures  Make certain the nylon  bearing iin good condition or replaced  sometimes the clamp wil have o be loosened to get the nylon  bushing installed into clamp and the drive stud that is attached to th
88. re clean    ne in the rod on the rod end    6  Remove Cyiinder to Work Bench  Hold cylinder   Figure 42  with por upuntl you gt to    drain pan to drain cyindor    CH P N 06934002                      IL works best to Secure cyinder in a vise  use caution  natto tighten vise so tight it will squeeze the barrel out   Figure 43    lt      curb Litt Cyl   of shape  DO NOT          cylinder rod in vice  Use OK PANOGOSAQUA  caution  as the cylinder is disassembled      wil flow   out off sa you want odo this in an area where you are  prepared to catch the        amp   7  Remove Cylinder Rod  The best way to  disassemble the bar tit cylinder is to use a hooked   gar ry  spanner wrench  Seo Figure 4   there is a hol in   e     ind head         sp  nne wench can bo used  A     d  pipe wrench can be used but you will damage the  gt   exterior ofthe cylinder head by cutingi ia pipe wrench   089904   is used make certain none ofthe pieces of metal rom                            cylinder head are not allowed to get into the hydraulic  oll system  The Cylinder Head  tem 2 Figure 45   il  screws into the cylinder barrel  Unscrew the cylinder  head with the spanner wrench and remove the cylinder  rod  tem 5 Figure 45  and inner rod weldment  tem 4  Figure 45  wih the cylinder head stil attached to t  do Spanner Wrench  this by puling the cylinder rod  item 5 Figure 45  out    the cylinder head  cylinder rod and rod weldment wil  come out with it  Remove Wire Ring  lem 13 Figure  45  and the
89. s          notrequredtoremoie ne Back   Pivot P ate to removeskid show                must removed        move thethreeretiningbatsto  rop the back plate               Figure 19             Drive Assembly  Long Tube Spacer     di Inner Skid Shoe  Weldment    Motor Drive  Asy Cover    Rotor Actuator          Figure 20                         Switch Blade 5  amp  6  Service Manual  02 05    2005 Alamo Group Inc  Section 2 14       INNER SHOE WELDMENT REPLACEMENT             6  he Back Plate has been removed from the carriage arm  it will have to be reset after the  reassembly is dane  See the Pitch adjustment in previous instruction  See Figure 4   The adjustment  to the cutter bar should be check and reset if required after reassembly    7  Before beginning the reassembly read this section as well as the section that pertains to the      component listed below  This is important that these components be assembled correctly as well as  adjusted propery  The assembly of the skid shoe weldment   replacement of the Rotor Actuator  Drive     Assembly  Cutter Bar  Skid Shoe and Drive Assembly Cover willbe reinstalled by reversing the  disassembly instructions   See Figure 10 thru 21                        Rubber Bumper 3 8  Bolts  Pad    Back Pivot  Plate    3 8  Lockwashers    Rotor Actuator  Retaining Pin    Skit Shoe  Weldment    Rotor Actuator    Rotor Actuator  Mounting Bolts             Figure 21             Drive Stud Bearing Asy      Nylon Bearing        Clamp  amp  Clamp Bo
90. s not  so always recheck Torque    9  Veritjing the accuracy of Pump Repairs on an authorized test stand is essential    RECOMMENDED TOOLS        7  C4    d  Hex Allon Wrench  Qty 5   9 16   5 92  5 16   3 32   5 64    2  Retaining Ring Pliers  Q3  1 each of Internal  Straight 070 ip  intemal  Straight  090 p   amp  1 each  External  Straight 0 90 tip    3  Retaining E Ring Applicator  Qty 2   1 each 932   amp  1 each 1 2   4  O Ring Pick  Qty 1    5  End Wrench  Qiy 4  1 each of 7 16   916   347 1    S  Torque Wrench  Qiy 1   0 to 100 t  ls   185 6 nm  capacity   7  Hammer  Soft Face  Qty 1    8  Seal Driver Sot  Qty 1    9  Arbor Press             10  Sockets  Qty 3  7 16   9 16   3 4   Drive Size should match Torque Wrench Drive   11  Light Petroleum Jelly  Vaseline    12  Lockite   222 and  277 or equivalent  Qty 1 tube each   RECOMMENDED GAUGES FOR DIAGNOSTICS  1      Inlet Vacuum  30 PSI to 30 in Mercury  207 bar otar   2  System Pressure Gauge  6 000 PSI  cob   3      Charge Pressure Gauge  0 to 500 PSI  01025          Switch Blade 5 A 6  Service Manual  02 05     2005 Alamo Group Inc  Section 3 2          HYDRAULIC DIAGRAM   SINGLE RH WING             Shown below is the Hydraulic Diagram for the Single RH Wing Model       Corb Lif Cylinder          Bar Tilt Cylinder     gt  Tee To Base End  of Bar Lift Cylinder  Sy    Break A Way Lift Cylinder  ve         Contot Valve to  Rod End of Cust               meum valve          zem     ATE                VM Pon    Take Retur
91. s to be installed  with on position up  1 2  Hole tor ltem three wil need to  be driled  See Parts Manual for Part Numbers      Toggle Switch Boot    16 ga  Red Wires RZ       Black Ground Wire             Toggle Switch  Diverter Valve   1Cyl Control    Diverter Valve t   Motor Control                 Figure 2A                               Switch Blade 5 8 6    Service Manual  02 05    2005 Alamo Group Inc  Section 2 4       MOTOR   PUMP ELECTRICAL CIRCUIT             Electrical Circuit  Dual LH Wing Mower  Continued    IMPORTANT  All Toggle Switches and push pul switches must be installed before the two spool  control valve is mounted as once the valve and hoses are installed they are dificult to get to  It switches  must be repaired or removed  the removeal of the control valve may be required  The hose should not  require disconnecting only the valve  Lay the valve with hoses to one side to get to the switches    The componets used when a dual LH Wing is installed will not replace the components used in  the mounting of the RH Wing  they willbe used with the RH components  The stand for the valve mount  and the valve mount can vary with the typa  model tractors be used  Shown here is a stand and mount  typical of what is used onROPS tractor without cab  See Figure 2D   If mounting on cab tractor the  controls willbe worked through remote cables and this type mount will not be used  The Toggle switches  and push pul switch willbe mount onto brackets witch connect to contro
92. stub shaft that wil    Figure 76  amp  81           Do Not damage seal seat area   See Figure 76             Outer Pump Housing Section      Small Gear Set       Figure 60             Middle Spacer Plate       Inner Pump Housing    igure 8T Section  Large Gear Set                   Mounting Flange  wi Lip Seal          Figure 82                      puloutof the drive gears  See Figure 76  amp  80   Ihe stub shaftis lettin the front drive gearit willbe OK   6  Remove Large Gear Housing and Components  Inner Pump Housing   The Inner gear pump  large  gear  housing wiliftoffutthe middle spacer should be removed frs  Itwillitaway from gear housing   Make certain that he gears and thrust blocks do not fll out when removing theinner housing  ifthe gears           out with the housing this wil be OK  just make certain you catch them and do not drop them   See    7  Mounting Flange  The mounting flange willbe all that is leftin the vice  The lip seal willbe removed  from the outside  if there is a snap rng it will need to be removed firs then the seal  The seal will drive    382           Switch Blade 5 A 6  Service Manual  02 05    2005 Alamo Group Inc     Section 5 8          PUMP RE ASSEMBLY                Pump Re Assembly  Machined Pilot Ring at  1  Clean and Inspect Al Components  Clean the   Mounting Flange  components using a non petroleum based sol   vent  Let the paris air dry or used pressured air to  dry them  DO NOT use rags or towels that will    leave lent on parts  Al
93. switch to energize the  other           The coil canbe tested by using a small paperclip   Remove the solenoid coil retaining nut  Energize the                                                     and stick the small paper clip to the end of the     Pellet Valve Solenoid  stem sickng      of ne         The paper cip should   noc oi Nut  Sticktothe stemmagneticallyandtalloffwhenthocoii   Seno PRES    powerisahutot  Note  use asmali paper clip or small  wire as the magnetic pull of coilis very low andwillnat  Carty a heavy weight The collis working properly LOUE 98  held the paper cip    ital the test show to be OK  check the stem that screws into the valve body  The best way to check   this is to try a different one  the other one on the other side of valve can be switched or a new        can        rod  When removing the stem inspect it when you gat it out to seo if there is something stuck in                                  Switch Blade 5 6  Service Manual  02 05    2005 Alamo Group Inc  Section 6 7          NOTES                      Switch Blade 5 A 6  Service Manual  02 05     2005 Alamo Group Inc  Section 6 8       NOTE             SWITCH BLADES  amp  6 Sen       Marval  0205        SES        Group ine       MUNENQ    TO THE OWNER OPERATOR DEALER    Tekeopyourimplementrunringetfclentyandsalely  read yourmanualthoroughiyandfolowthesediractionsand  the Salety Messages in this Manual  The Table of Contents clearly identifies each section where you can easily              i
94. tch  amp  Reversing  Toggle Switch    The push pull switch mount to the valve stand       not cab tractors and to the remote valve control  cable handle mount on a cab model  On Cad  models the switch can be mounted some where   se ithat is what the customer wanted  See Figure                     Threaded Bead             31837   Female Threaded  Plunger Rod                Figure 36                         Switch Blade 5 A 6   Service Manual  02 05    2005 Alamo Group Inc     Section 3 9          BAR TILT CYL  P N 0693500A REPAIR                   Bar Tilt Cylinder Repair     4  The Bar Tilt Gvlinder is a single stage cylinder  With one port on the base end  See Figure 38   The   Bar Ti Cylinder connects to the carriage arm and the   hose will be tee d of of the other cylinder  See Figure   1  as the two cylinders will react together when the bar  titeylinderis activated  See Figure 39   Bar Tit Cylinder  is a 2 1 5  bore cylinder  The cylinder rod acts as the  cylinder piston as the cylinder does not have a  removable piston   2         Tractor and Parts  the tractor and all     components including hose musi be cleaned and free  of anything that wil contaminate the hydraulic system   Keep all parts coated with      to prevent rust    3      Secure Tractor  Secure the tractor so as it can  not be started unless you are ready for ito  Set the  tractor parking brake    4  Bar Tilt Cylinder Removal  Remove cylinder  hose at the cylinder  use pan to catch any spilled oil  when t
95. the hoses are not connected  correctly  See Hydraulic Diagram for Dual LH Wing   The12V power supply wire wil have tobe connected  to tractor wiring  The power source wire must be connected to a power source that is only charged when  the tractors key switch isin the on position  If power supply wire is connected direct to a power source  itwilrun the tractor battery down when parked if the switch are left on as the solenoid could be activated   See Figure 2A    When mounting the two position toggle switch you will need to drill a 1 2  hole inthe valve mount  on the RH side of it near the bottom  See Figure 2C   Install the toggle switch with the  On  position up   There is a decal that mounts on valve mount hat will explain the operation ofthe RH or LH selector toggle  switch   The wire harness for the LH diverter valves wil only have two wires connected to the plug  these  two wires are  16 GA Red     and   16 GA black     These wire are connected together in the two plugs   The red  amp  red and the black A black   with the fuse removed to prevent current flow the plugs can be     checked with an Ohm Meter from plug to plug and plug  Red Wires  to toggle switch  The black wires are  connected to a common ground and can be tasted to a ground source  See Figure 2B                   Reference           mount will vary with tractor model    NOTE  Connect Black Ground Wire  amp  Red Supply  Wires to same connection as RH Wing Wire Harness  location            Toggle switch need
96. the job is finished  all tools     Figure 5  removed and cleaned up and it is safe to do so  Make   certain tractor parking brake is set                                         3      Sight down the bar and look for a knife section in   gramme     lose contact with a guard ledger  Ifthe sectiontothe right   SI  lt                     and left are both 1 8  of the ledger do not bend the two     sides up until they contact the knife  This is wrong  see  Figures   the high guard shouldbe knocked down until alt  three contact  The higher up a guard gets bent  the more  the knife section will tend to contact only the tip  See  Figure 5  amp  6    4  Bolt the guards tight and strike them inthe thick          justin frontofthe ledger plates  see Figures   Donat  Pound down the guard lips as the knife might bind            Retighten the bolts as each guard is aligned  Disregard   ihe position ofthe quardpoints tistheledgerplatewnich    _Figure 6  must be kept in line  Blunt points should be filed sharp   5      S  atfromihe inner shoe  adjust each guard so thatthe knife section and ledger are parallel and  reasonably close to each other  Find the high guard and knock them down  Usually  the only time itis  necessary to knock a guard up is when new guards are first installed on the bar    6           certain that the first knife section is contacting the inner shoe ledger plate  It it doesn t  contact  check the first or second guard which may be holding the knife up or the inner shoe
97. through the lip seal in  mounting flange  Carefully insert the drive gear  amp   input shaft down into the thrust block  Be careful  not to damage the lip seal  Lower the driven gear  into the thrust block  See Figure 87    6  Install Lower O Ring Seal into Gear Housing   Installthe O Ring Sealinto the gear housing  acoat  ot light grease will hold O Ring in place during  assembly  The Gear Housing must be installed  where the suction portis on the drivers side when  pump is mounted  See Figure 87    7  Install Short Dowel Pins between Mounting   Flange and Gear housing  There are two dowel  pins that go between the gear housing and mount   ing flange  Some time when disassembled the pin  willstayinthe mounting flange or the gear housing   Checkto make certain the two dowel pins areinthe   correct holes to allow the two components to fi  together  See Figure 87     8  Install Gear Housing over Gears  Slowly lower    gear housing down over the gears  the thrust block   is under the gears and will need to be aligned up  through the gear housing  To align the dowel pins    into the gear housing and mounting flange turn the  gear housing until the holes align themselves  The    Gear housing cannot be hammered on to force   over the dowel pins  it will damage the gear hous   ing  The housing can be tapped with a rubber  mallet gently to help fit onto the dowel pins  See  Figure 76  amp  87     9  Install Second Thrust Blockinto Gearhousing      Theupperthrustblock willbe installed
98. tt      Knife Head Weldment  Blade Section            Knife Backing Strip S5                Figure 23       Figure 22                                        Switch Blade S  amp  6    Service Manual  02 05    2005 Alamo Group       Section 2 15       CARRIAGE ARM ASSEMBLY REPLACEMENT                 Carriage Arm Assembly Replace   ment     The carriage arm replacement will require  the Back Pivot Plate to be unbolted with the skid  shoe  break a way assembly to be removed with  Back Pivot but nat disassembled  The skid shoe    break a way assembly canbe removed by unbolt   ing the back pivot plato from the carriage arm  See  Figure 17 thru  25   The hydraulic hoses to the     motor will not have tobe disconnected but the hose   brackets may have to be disconnected to allow the  assembly tobe moved outward far enough to clear  carriage arm assembly  the complete cutterbar    break away assembly needs to be moved it is  sometimes easier and cleaner to unboltthe motor  andthe complete assembly can beremoved anthe  molor can be moved out of the way with the hoses   attached to it  DO NOT pull assembly with the  hoses attached and damage them     amiagg    Inner Shoe  Wledment          To remove the carriage arm the lit and tilt  cylinder will needtobe disconnected  the hoses will  nat require disconnecting  the                can be set  aside with the hoses connected  Remove the roll  pins from the carriage pin  The carriage arm is  pinned to the back pivot plate and the tractor 
99. um itto within 30 Days  Make certain the Serial Number of the Machine is recorded onthe  Warranty Card and on the Warranty Form that you retain        INTRODUCTION             ABOUT THIS MANUAI   The intent ofthis publications to provide the competent technician with the information necessary   to perform the CORRECT repairs to the Alamo Industrial Product  This wil  in tur provide for complete  customer satisfaction   His hoped that the information contained in this and other Manuals will provide enough detail to   eliminate the need for contact of the Alamo Industrial Technical Service Dept  However  it should be   understood that many instances may arrive wherein correspondence with the Manufactureris necessary     CONTACTING MANUFACTURER   Please help us Help You  Before You Call     Alamo Industrial Service Staff Members are dedicated to helping you solve yours or your   customers service problem as quickly and efficiently as possible  Unfortunately  we receive entirely to  many calls with only a minimum amount of information  In some cases  the correspondent has never gone     out to look at the equipment and merely calls inquiring of the problems described to him by the operator       customer   PART NUMBERS  Part numbers listed in this manual are subject to change without notice as  designs are made to adapter to the tractor or for a design improvement  Before ordering parts ALWAYS  Measure old part to make certain thatis the one you will need  This manual is designed
100. wav tac moda usec  The purp should ie out  Bitne coupler nsome cases na couplerwt sitie of  ofthe cect and stay om pump she it lod  Gn pump sha you should remove i and lesa  onto ha divesa  Uso sulle puller if coupler is  stuck on pump shat  DO  NOT use hammer to  famove coup  NEVER use hammer an pump          you do you wil damage the oral compo   nate ba ptr  Pump Dis Assembly    1  Clamp the Pump in a vise  use caution not to   Figure 79  damage    ange  Se Figure 3  but make carin   opt ara           Su vy os Make certain pu securely damped in ths                   clamp pumpin vise bythe machine piet ing an mounting large        be damaged  NOTE  thetypeandortuniaon ofal seals betere and during disassembly as they must ba replaced nth sama  orientation as removed  DO NOT Mt tne pump components or      input shat with a Farmer                       The gear housings ars          Sowel pris  be tow ota         vb Malt ca  bru  n   brook gor hood loose by tgph or ote d                                                                   Switch Blade 5  amp  6  Service Manual  02 05    2005 Alamo Group Inc  Section 5 7       PUMP DIS ASSEMBLY             2  Remave the fourtie bolts thatretainthe endplate  on  See Figure 78  amp  79   Before you remove the tie  bolts mark the gear housing  end cap center spacer  and mounting flange on one side  These marks will  help in the reassembly to align the components the     same as they came off  When removing tie bolts and  iting end c
101. y  It is  recommended to apply a light coat of locktte primer  NF in tapped holes of motor housing  See Figure   64   Allow primer to air dry for at least 1 minute  Do  not force dry with air jet  the primer will blow away   Use of primer is optional  With primer  lacktte  curing time is approximately 15 minutes  Without  primer curing time is approximately 6 hours     8  AopiyLockite To Motor Housing  Apply 3 or 4  drops of ockite sealant at top of threads foreach  of the four threaded holes in motor housing  See  Figure 64   Do not alow parts with locktite applied  to come in contact with any metal parts other than  those for assembly  Wipe the excess lockt         motor housing face  using a non petroleum base  solvent    Important  Do Not apply locktite to threads  more than 15 minutes before instaling bolts  If  molor housing stands for more than 15 minutes   repeat application  No addtional cleaning or  removal ot previously applied oci is necessary     9  Install Mounting Flange to Motor Housing   Before installing flange to motor housing coat the  shaft with and the ID ofthe seals in Mounting Flange  with petroleum jelly  See Figure 65   Also coat the  round 49 mm ID seal with petroleum jelly  this is  the seal that will seal around the bearing race and  seal flange to housing  See Figure 65    Install Flange  rotate flange slowly while  pushing down over shaft  Be careful not to invert  Seal ID or damage seals    Inspect to make certain the flange is seated       mot
    
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