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Switchblade/NH TN-60,70,75,(D & DA) (02982890)

1. 5 2 Install Control valve Mounting Bracket CAB Tractor 5 3 Cut Hole in Cab Floor for Cable amp Wiring Access 5 3 Cylinder Control Valve Installation Cab amp Rops Tractor 5 4 to 5 5 Control Cable Installation Remote Control Cables 5 6 to 5 7 Electrical Switches ra angeng nekanaken 5 7 Control Valve Adapter FittingS 5 8 Valve Control Handles Non Remote Cable 5 8 PIO SC PAO itech M PC o RN 5 8 e GK UC saa 5 9 OS COMIC 5 10 Tank with e FT PP 5 11to 5 12 Section 6 Electrical Connections Motor Pump Electrical Connections 6 2 Tractor Factory Wire Harness Location 6 3 Battery Cables Dis Connected 6 3 Electrical Control Selector Valve 6 3 Section 7 Mechanical Adjustments amp Repairs Lead Adjustment 7 2 Pitch Adjustment
2. 1 5 FIIO Torgus Qallu 1 6 Bolt Torgue CAN 1 6 Section 2 Tractor Preparation Generallnformation 2 2 to 2 6 Section 3 Pump amp Driveshaft Installation Pump Drnveshaft uu UL LL 3 2 Tractor IV GUNG AMON u u RENT 3 3 Helove BAGI uuu Z aj da Y EGO 3 3 Remove Engine Guards for Access to engine compartment 3 4 Pulley Adapter Installation 3 4 Reinstall Engine Guards 3 4 Install Driveshalt 3 5 Install Pump Mount 3 5 Install Drive Shaft Flex Coupler Assembly 3 5 Jak L UU W u u 3 6 Install Battery Relocation Kit 3 6 TraetorFlood Modiicalion UU parakan gag u u uu uuu u ua 3 7 Section 4 Frame Installation Frame amp Sub frame Mounting Bolts ID 4 2 Remove Tractor RH Steps 4 3 Remove RH Three Point Stabilizer 4 3 M
3. 7 2 Cutter Bar Alignment nn 7 2 Guard Adjustment HR NYTH 7 2 Cutter AGUSTIN 7 3 W PL S YN pus mu aaa aeng 7 3 7 4 PS 9 12 7 4 Knife Replacement 7 4 amp 7 7 Cutter Bar Repalcement 7 5 Knife Bar Replacement 7 6 Outer Shoe Replacement 7 8 Inner Shoe Replacement 7 8 Rock Guard Clip amp Wear Plate Replacement 7 8 Inner Shoe Weldment Replace 7 9 to 7 10 Carriage Arm Replacement 7 11 Knife Drive Assembly 7 11 to 7 13 Section 8 Mounting Kit Component Identification Mount Kit Model Specifications 8 2 to 8 20 Mount KIECOMPONEN S 8 3 to 8 20 owitchblade NH TN60D TN 60DA TN
4. 6 Install Pump Drive Shaft P N 02976279 k AM en Three 13 32 Coat the pump Drive Shaft splined end with a anti Miss oi Holes seize compound Insert the drive shaft under the o radiator and into the splined pulley adapter NOTE Some tractors have rubber under radiator if this rubber touches the driveshaft it will have to be trimmed to clear The rubber under the radiator can be trimmed with a knife The driveshaft must clear any objects by a minimum of 1 16 and not allowed to rub The driveshaft has a 7 8 X 13 spline end and a 3 4 w 3 16 keyway end See Figure 7 amp 8 The 7 8 x 13 spline end goes toward the engine and fits into the Pulley Adapter spline hub of the pulley adapter that is bolted to the Figure 5 P N 02975110 crankshaft See Figure 7 amp 8 Crankshaft Pulley Install Flex Coupler Assembly The flex cou Adapter assembly P N 02975188 See Figure 8 is assembly with center coupler both flanges and 49 mm 3 nut sets One coupler is 3 4 w 3 16 keyway ockwasher Driveshaft Side and setscrew while the other pump side is 5 8 X 9 Spline Loosen the setscrew and coat the keyed shaft end with an anti seize compound before installing coupler Slide the coupler onto the driveshaft with the 5 8 X 9 spline coupler outward toward where the pump will mount See Figure 8 Make certain the 3 16 key is installed into shaft and keyed side of coupler assembly and the
5. 45 LOCKWASHER M10 SPRING use w ltem 23 BOOT CABLE CORDURA SLEEVING 2 54 ID BLACK PLATE BELT COVER PUMP ASY TANDEM GEAR ED 0 98 0 37 CID BOLT SOCKET HEAD M20 P2 5 X 30MM PL GR10 9 BULK HYD HOSE 16 SAE100R4 CABLE REMOTE CONTROL 102 LG WLDMT CONTROL STAND BOLT HEX HEAD 3 8 NC X 2 1 4 PL GR5 Above items are included in Switchblade Hydraulic Kit P N 02980119 Switchblade NH TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 8 5 Mount Kit Bill of Material Cab Mirror Kit Option P N 02982794 Includes items below New Holland TN60D 60DA TN70D TN70DA TN75D amp TN75DA Cab 2 amp 4wd ltem Part No Qty Description 1 02982758 2 MIRROR 8 1 2 CONVEX BLK STEEL 2 02982717 2 BRACKET MIRROR NH TN A CAB 3 02970065 4 LOCKWASHER 8MM 4 00751693 4 BOLT HEX HEAD M8 P1 25 X 16MM PL GR8 8 Above items are included Mirror Kit P N 02982794 Hydraulic Break A Way Hose Kit P N 02982554 Includes items below For New Holland TL80A 90A 100A Cab 2 amp 4wd Item Part No Gty Description 1 001978 1 HOSE 4 4FJX90 4 69LG 2 02972669 1 HOSE 4 AFJX 4FJX90 109LG 3 001846 1 HOSE 4 4FJX90 4 63LG 4 02962022 2 ADP HYD ELBOW 4MJ 4FJK 90 5 00900913 3 5 ft CORDURA SLEEVING 2 54 ID BLACK Above items are included in Hydraulic Break a way Hose Kit P N 02982554 Knife Bracket Kit Option P N 0487100 Include
6. Switchblade NH TN60D TN TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 5 9 Motor HydraulicPump Hose Connection 6 Pump Hose Connections When connec tion the hoses to the pump keep all fittings closed and capped until you are ready to connect the hoses Figure 27 show the optional pump guard installed DO NOT install pump guard until after the hoses have been connected will make the con nection easier Leaving hoses and fitting plugged until ready to connect them is to keep contamina tion out of the system See Figure 27 When connection the hoses connect the pressure hoses first See Figure 27 when the pressure hoses MAS US ENT connected to the pump and the cylinder control Cylinder Valve 1 a ET k Y amp the directional control solenoid valve on the ON Pressure Port tank See Figure 26 27 amp 28 Connectthe Suction hose to the hose bib fitting on the pump See Figure 28 Use clean hydraulic oil recommended type and brand only pour clean oil into the suction hose from the tank end this will fill the pump with oil and help when pump is started for the first time to not start dry of oil After filling hose with oil connect the hose to bottom side of the tank See Figure 29 The motor pressure hose from pump connects to the directional control valve on the tank See Figure 30 P i E Moto
7. 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 Mount Kit Bill of Material CAB Part No 02968850 02971158 02974296 02974323 02975110 02975133 02975150 02975186 02975187 02975188 02975200 02976279 02976283 02976463 0741300 001979 02980088 02980089 02980090 02961852 02890700 02980078 02962022 001921 02962749 00755954 02966874 00900913 02979318 02974303A 02981351 01501075 02971203 02982555 10190000 Qty 4 6 1 2 1 1 3 1 1 1 1 1 1 4 2 1 1 1 1 1 2 1 3 1 2 3 1 1 1 1 2 5 2 1 1 Description ADAPTER HYD STRAIGHT 8MB 6 LOCKWASHER 20MM SWITCH MOUNT WELDMENT ANGLED SINGLE AXIS CONTROL ASY PULLEY ADAPTER MACHINED DRAWING ADAPTER amp CRANKSHAFT PULLEY BOLT HEX HEAD M10 P1 25 X 70MM PL GHR10 9 use w ltem 23 ADAPTER HYD STRAIGHT 16MB 12FP ADAPTER HYD ELBOW 12MB 8MJ 45 COUPLER ASY FLEX DRAWING REMOTE CONTROL ASY INSTRUCTIONS DRIVESHAFT 25 25 7 8 13SPL X PUMP MOUNT MACHINED BOLT HEX HEAD M20 P2 5 X 40MM PL GR10 9 HOSE CLAMP STEEL HEXSCREW HOSE 4 4FJX90 4FJX 72 LG HOSE 4 AFJX 4FJX90 80 LG HOSE 6 6FJX 6FJX90 27 LG HOSE 6 6FJX 6FJX909 68 LG HOSE 8 8FJX 8FJX90 72 LG HOSE 8 8FJX 90 LG VALVE MOUNT WELDMENT ADAPTER HYD ELBOW 4 4FJX 90 ADAPTER HYD ELBOW 6 90 ADAPTER HYD ELBOW 8
8. align the industrial outer shoe in the same way as the guards See Figure 5 amp 6 and step 1 through 6 LEDGER PLATE LOWER BACKING STRAP ROCK GUARD Wear Plates The wear plates mustline up with each other 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 are hardened on both edges After the first edge has worn back simply turn over the plate to obtain a new wearing surface Switchblade NH TN60D TN TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 7 3 CUTTER BAR ADJUSTMENTS Clips After all guards are adjusted it is necessary to see that the knife clips are bent down to within 1 64 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 hammer is all that is required If the 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 Repair ALWAYS USE A SHARP KNIFE A dull knife cuts poorly may plug and doesn t do a clean job Keep the knife straight with the sections firmly riveted to the knife back
9. Copies Optional FN EFO NAF Yellow Standard Special Colors Optional GUIO FEN SKA A ARE ane inse Optional Pump Mountling Tractor Engine Driven PUMO t EN uuu 2 Size Option CID mind NF Tandem Gear Pump Pump Pressure Motor 1750 psi 2 9 to 10 gpm Cylinder Circuit 3000 psi 3 5 to 4 5 gpm Skid Shoe Bolt on 4 M DR Standard 3 16 Abraision Resistant Alloy KIC IO NT Standard w AG Shoe amp Swathboard Option Transport Locks Standard Manual Lock RANGOON a S Hydraulic Lifting and Folding Switchblade NH TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 1 4 USING AN ADAPTER WITH A TORQUE WRENCH How To Compute Torque When Using An Adapter LOAD MUST BE APPLIED AT CENTER OF KNURLED GRIP HANDLE AT ALL TIMES Typical Torque Wrench Shown lf 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 T
10. VVC Me Rm 5 ft or 6 ft Option Duve RE Hydraulic Motor Hydraulic Cylinder Two Spool Control Valve Hydraulic System Self Contained Hydraul Tak ccv Steel Manufactured Type w Built in Mount PAY OMG Tiller RERO Standard Tank Mounted Hydraulic Oil Return Pressure Gauge Standard Tank Mounted Hydraulic Hoses High Pressure Standard Hydraulic Hose Varies with the Tractor Model Planetary Drive Assembly Knife ROCK Guards 3 Heavy Duty Industrial Bolt On Knife Speed Control Pre Set Governor KANG serrated Edge Standard IE E si Ol EFE HYF Hydraulic Cylinders Standard Motor Control Electric over Hydraulic Motor Control Electric ON or OFF Selection FUNCION ER ER o Electric Reversible Drive Direction MOUNE Type uuu Side Mount to Tractor Standard Mounting to Tractor Factory or Field Mount Option Operators amp Parts Standard Extra
11. discard these three bolts as they will be replaced buy longer bolts Locate the three M10 X 70 mm bolts P N 02975100 and the three M10 Lockwasher P N 00755954 Align the pulley adapter over the re maining three crankshaft pulley bolts The 7 8 holes will fit around the remaining three bolt heads See Figure 6 The three 13 32 Tractor Crankshaft Pulley holes are to install the replacement 10 mm bolts as Cut a Way f listed above Tight the 3 replacement bolts seat the llustration Only pulley adapter down against the crankshaft pulley See Figure 6 Check the tractor manufactures recommended torque setting for the crankshaft pulley retaining bolts and tight the three replace ment bolts accordingly Pulley Adapter has a 7 8 X 13 spline sleeve welded into the center of it See Figure 5 amp 6 NH Factory Crankshaft Pulley Switchblade NH TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 3 3 Pump amp Drive Shaft Installation 5 Re install Engine Compartment Access Guards The engine compartment guards be reinstalled after the pulley adapter has been tighten down use the same bolts to reinstall guard as were taken out to remove them These guards must be replaced the same as they were removed DO NOT operate the tractor without these guards installed The guards and mounting hardware will be reused See Figure 3
12. long DO NOT remove any plugs or caps Pump Mount Machined from hydraulic components until they are ready to be connected this will prevent contamination from entering hydraulic system as shown in figure 12 with hose installed to keep openings covered See Fig ure 12 10 Install Pump Driveshaft Cover The pump assembly has cover that bolts on to cover the flex coupler assembly See Figure 8 and the driveshaft This cover P N 02989318 is bolted on using the same two top bolts as the pump mount loosen these two bolts and slide the slotted holes of the cover See Figure 11 between the bolts and pump mount Important DO NOT install these between pump mount and tractor bolster it will make the Figure 10 pump alignment off P N 02989318 Driveshaft Cover Switchblade NH TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 3 5 NOTES Switchblade NH TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 3 6 ME S S 95 Section 4 Switchblade Frame amp Hyd Tank Installation New Holland Tractor TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Switchblade NH TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 Frame Installation Bolt Location BOLT LOCATION FRAME INSTALLATION Item Part No Qty Description 1 02980079 1 R
13. oparabe with Cutting Head mised passerby bystanders ortrafiic are in the area fereduce poss ofinjury cr death from Objects by Bladesunder Guardar cutter 8 Before deemounting secure mplementin transport posdi n ar lower bo ground m irad in park or sel me brake diesmgage PTO stap engine and remove key amd wail until nase of rebati n het ce om o presen enbanegierniet in ising parts ean cause injury cr dest i Hever mount or dismounta moving vehicle Crushing rem runceermsn cause injury or death TRANSPORT SAFELY 6 USE SMV LIGHTS amp DO NOT OPERATE 8 DO NOT MOUNT OR REFLECTORS WITH CUTTER OR DISMOUNT WHILE WING RAISED G k WARRANTYINFORMATION Read and understand the complete Warranty Statement found in this Manual Filloutthe Warranty Registration Form in full and return it to within 30 Days Make certain the Serial Number of the Machine is recorded on the Warranty Card and on the Warranty Form that you retain INTRODUCTION ABOUT THIS MANUAL The intent of this publication to provide the competent technician with the information necessary to perform the CORRECT Assembly to the Alamo Industrial Product This will in turn provide for complete customer satisfaction It is 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 u
14. operate it correctly in a safe level open secure area before trying to operate this unit in tight places or around other objects or people A When stopping shut off the mower disengage PTO Engage Tractor Parking brake Shut off tractor engine and be certain all rotating or moving mechanisms have stopped before attempting to get near mower Make certain that tractor is secured in a way that it can only be started if you are ready for it to This could include remove key and put it in a secure place Disconnect battery cable which should be done before any repairs or service is started AX CAUTION KEEP ALL SHIELDS IN PLACE STOP MACHINE TO ADJUST AND OIL IF MECHANISM BECOMES CLOGGED SHUT OFF POWER BEFORE CLEANING KEEP HANDS FEET AND CLOTHING AWAY FROM POWER DRIVEN PARTS KEEP OFF MOWER AND KEEP OTHERS OFF WARN BYSTANDERS TO KEEP AWAY Switchblade NH TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 1 3 SPECIFICATIONS SWITCH BLADE Standard Specifications Switch Blade 5 ft 6 ft Break A Way Contol Block Break A Way 1500 psi Relief Break A Way Hydraulic Rotary Actuator Self Returning O SIZ a ga aa aa sas Up to 1 2 in Dia Material GUNUNG
15. setscrew is 10 mm 70 mm coated with thread lock and tightened Crankshaft 7 8 x 13 Spline End 3 4 w 3 16 Keyway End P N 02976279 Drive Shaft Switchblade NH TN60D TN TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 3 4 Pump amp Drive Shaft Installation 8 Install Machined Pump Mount The machined pump mount plate P N 02976283 bolts the front of the bolster in the four existing threaded bolt holes See Figure 9 These bolt holes will have plastic plugs in them that will need to be removed See Figure 10 The pump mount Plate bolts to the tractor with 4 mounting bolts Bolt P N 02976463 M20 P2 5 X 40MM PLGR10 9 amp Lockwasher N 02971158 M20 lockwasher tighten the two lower bolts down at this time and snug the upper two 9 Install Pump Assembly The pump assem bly will bolt to the front of the pump mount plate See Figure 1 with two bolts locknuts and lockwashers Coat the splined shaft of pump with a good quality of anti seize compound Tighten the pump retaining bolts Make certain the pump is installed with the suction port of pump toward the LH side of the tractor this is important When the pump is bolted down the driveshaft should be checked it should have a small amount of play in and out this is important to check to make certain the driveshaft is not bottomed out and in a compression bind from P N 02976283 being to
16. the Assembly Process before unit is ever started for the first time Switchblade NH TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 3 2 Pump amp Drive Shaft Installation Pump amp Drive Shaft Installation 1 Remove RH Steps amp Tool Box The RH Steps and Tool box if equipped with need to be removed as they will not be used as they would interfere with the mower head when i transport position See Figure 2 2 Remove Engine Compartment Access Guards The engine has guards bolted onto the side to prevent access to the front of the engine These guards need to be removed The guards and mounting hardware will be reused See Figure 3 The Engine Crankshaft Pulley The engine Tool Box Reed crankshaft pulley WILL NOT need to be removed the six pulley mounting bolts WILL NOT need to be Fy loosened or removed See Figure 4 The Crank Shaft Pulley is retained to the engine with six 10 RH Side Steps Ref olod mm bolts See Figure 4 Three of these six bolts will need to be removed these three removed bolts will be replaced with longer bolts later See Figure 4 5 amp 6 4 Crankshaft Pulley Adapter The crankshaft pulley adapter P N 02975110 has three 7 8 holes and three 13 32 holes See Figure 5 The Crank shaft Pulley has six bolts in the center of it See Figure 4 Remove every other bolt 3 total from the crankshaft pulley See Figure 4
17. the break a way assembly must be torqued to 85 ft Ibs 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 bolt 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 Knife Drive Stud Assembly Spacers FI Planetary Drive Assembly i e Nylon Bearing Long Tube mr Clamp amp Clamp Bolt Spacers A Knife Head Weldment Blade Sections Switchblade NH TN60D TN TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 7 5 KNIFE BAR REPLACEMENT Knife Bar Replacement Replace the Knife Bar assembly will require the cutter bar assembly to be unbolted from 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 lt will not be require to remove any of the hydraulic hoses or even take them loose Looking down at the planetary drive and Hydraulic Pump Assembly there are four nuts in the plate that is attached to the drive assembly Remove these four nuts if you want to remove the four carriage bolts the skid shoe will have to unbolted and removed When lifting the drive assembly up and away from the cut
18. the clamp and stud drive bearing assembly and prevent the clamp from crushing the drive stud bearing See Figure 22 23 amp 27 Flywheel Knife Drive Sub Asy Knife Drive Stud Bearing x gt Switchblade NH TN60D TN TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 7 12 KNIFE DRIVE REPAIR REPLACEMENT 8 To reassemble the Knife Drive Assembly reverse the disassembly steps but first the cutter bar must be made ready If the 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 this 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 reinstall the clamp bolt into clamp BUT DO NOT tighten clamp bolt Insert the drive stud bearing into the nylon bearing of clamp still DO NOT tighten the clamp bolt 9 Install the support bracket to the lower side OD the knife drive assembly these are two 8 mm bolts that screw into the knife drive assembly bottom side Torque the 8 mm bolts to 20 ft 105 10 Install the Tube spacers over the carriage bolts 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 it is setting on the four tube spacers
19. the outer shoe assembly These are 7 16 grade 5 carriage bolts and will torque 45 to 50 ft lbs The outer shoe sole is a replaceable wear item and be replaced as needed without disas sembly of the cutterbar See Figure 15 amp 16 Inner Shoe Replacement Cutter Bar The inner shoe bolts to the Break a way Outer Shoe Asy assembly using two bolts in the rear and the rod deflector in the front There is also a motor cover Outer Shoe 17 weldment that bolts over the motor and drive assem bly that is bolted on with three bolts See Figure 17 amp 18 Rock Guard Clip amp Wear Plate Figure 15 i Replacement The rock guards clip and wearplates can be replaced without removing that cutterbar or knife bar assembly They are bolt on items that can be bolted one ata time for repair or they can all be replaced all at the same time Anytime the guards clips or wearplates are replaced they will have to be checked to make certain they are fitting correctly See the guard clip and wearplate adjustment section on previous pages The bolts mounting rock guards are 7 16 grade 5 plow bolts and will torque 45 to 50 ft Ibs See Figure 16 4 Switchblade NH TN60D TN TN70D TN70DA TN75D amp TN75DA Asy 06 05 2005 Alamo Group Inc Section 7 8 INNER SHOE WELDMENT REPLACEMENT Inner Shoe Weldment Replacement The Inner Shoe Weldment replacement will require other componen
20. the wires will install inside ofthe tractor steering column area and some will go outto the Hydraulic Tank The panel on the side of the tractor steering column will need to be removed Consult tractor manufacture manuals for procedure to remove panel The floor pad will have the cable run through it next to the control cables on cab model and alone on the ROPS model See Figure 3 The wire harness must be run through the Boot Cover See Figure 4 before the wires are connected 4 Electrical Control Selector Valve At the tank the connections of the wire harness are connected to the electrical motor reversing control valve See Figure 6 Make certain to tie the wire harness out of the way so it will not be damaged by other components Electrical Co trol Selector Valve Motor Reversing Switch Switchblade NH TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 6 3 NOTES Switchblade NH TN60D TN TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 6 4 Section 7 Switchblade Mechanical Repairs amp Adjustments New Holland Tractor TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA This Section is for the adjustment of the cutter bar Knives if needed after assembly the unit is assembled when shipped but because of some dis assembly for shipping some adjustments may be required when asse
21. to be unsafe for you or the people around you it is the repair persons responsibility to secure the tractor and the surrounding work area Tractor should be disabled in a way that it cannot be started until the repair technician is ready to do so 10 NOT use teflon tape or other pipe joint tape on fittings or hose connections For pipe threads use a pipe thread sealant compound suitable for hydraulic service on OD thread uiu Switchblade NH TN60D TN TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 1 2 SPECIFICATIONS SWITCH BLADE The OCCUPATIONAL SAFETY AND HEALTH ACT 1929 51 Subpart C makes these minimum safety requirements of tractor owners and operators Required of the Owner 1 Provide a Roll 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 if the tractor has a ROPS Where possible avoid operating the tractor near ditches 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 ar
22. two Brown wires must be connected close the tractor ignition switch within 3 of switch This is required because some later tractor are using electronic monitoring of the tractor electrical system If the solenoid wires are connected further down the line the monitoring system may detect this circuit as disconnected and cause the tractor to do different things from engine shut down to jump out of gear If you have electrical problems with the tractor doing strange things check this connection When connecting wire harness to toggle switch the red wire MUST connect to the center post of 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 1 White 16 Wire Spade Connector Black 16 Wire Use Gaskets to Seal Both Plugs Black 16 Wire Common Ground Red 16 Wire Front Solenoid Plug Spade Connector rown 12 Butt Connectors Yellow 16 Wire Wire to Starter Solenoid Spade Connector 12 Volt Supply Brown 12 Wire T2 0000000008080 Rear Solenoid Plug Red 16 Wire Black 16 Wire Fuse Holder with 10 NOTE Red 16 Wire 12 Volt Supply Connect to Key Switch Connection AMP Inline Fuse within 3 of s
23. 60D TN 60DA TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 4 6 Section 5 Switchblade Hyd Valve Control Handles amp Hyd Hose Connections New Holland Tractor TN60D TN 60DA TN70D TN70DA TN7S5D amp IN75DA Switchblade NH TN60D TN TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 5 1 Control Valve amp Valve Controls Installation Control Valve amp Valve Controls 1 Install Valve Control Handle Mounting Brackets ROPS The valve control stand weldment P N 107352 will bolt to the flat operators platform on the RH side and is designe to be bolted to tractor It is designed to use with ROPS Install the mount stand where it will be convenient for the operator to use The control stand weldment is adjustable for height this is done by selecting the mounting hole you want to use The stand can be cut for height adjustment if wanted on the ROPS Model The valve control bracket P N 02977335 bolts the stand weldment using the holes that best fir the operators needs See Figure 1 amp 2 Once the right distance is decided to fit operator the valve control mount will bolt to the floor of the operators plat form with 4 bolts The holes will need to drilled through the floor check the under side of the floor before drilling any holes to make certain drill bit will not hit and damage anything See Figure 3 T
24. 70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Index 3 NOTES Switchblade NH TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Index 4 Section 1 Model Specifications STATEMENT OF POLICY It is 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 time without incurring the obligation to make these changes on previously manufactured units Switchblade NH TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 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 lts 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 Bl
25. 8 x 13 Spline End 3 4 w 3 16 Keyway End P N 02976279 Drive Shaft P N 02975188 Flex Coupler Asy P N 02976283 Pump Mount Machined Switchblade NH TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc 02980078 P N 02989316 Valve Mount Driveshaft Cover Weldment P N 02982717 Mirror Bracket Optional P N 02982555 Control Stand Weldment w P N 02977672 Pump Guard Weldment Switchblade NH TN60D TN TN70D TN70DA TN75D amp TN75DA Asy 06 05 2005 Alamo Group Inc Section 8 9 Mount Kit Component Identification Pump Driveshaft Schematic Tractor Engine Pulley 3 of 6 mounting bolts removed Coupling Flange P N 0062000 3 4 Bore w 3 16 keyway Pulley Adapter P N 02975110 1 4 setscrew included in P N 02975188 Asy Setscrew P N 02957080 3 4 w 3 16 Keyway 7 8 X 13 Spline 0 i Flange Mounting Bolts Qty 3 ea Bolts P N 02975150 amp Locknuts 4 ea ___ Drive Shaft 3 4 w 3 16 Lockwasher P N 00755954 Included W Center Coupling Keyway X 7 8 w 13 spline P N 02976279 DriveshaftCover P N 02989318 Center Coupling Asy P N 02975188 Bolts P N 00023100 included Coupling Flanges Center P N 00015800 Coupler and Nut Bolt Sets ec Pump Assembly Center Coupling w Nut amp Bolt Set included in P N 02975188 Asy Bolts P N Lock
26. A TN75D amp TN75DA Asy 06 05 2005 Alamo Group Inc Section 5 8 Hydraulic Connections Hose Routing 5 Install Electrical Switches The electric neutral safety switch and the head reversing switch both mount into the valve mounting bracket See Figure 23 and Electrical section in this assembly manual Make certain that the battery cables are disconnected before connecting any electrical connections this is to prevent the shorting of any components Check the tractors manufactures service repair manual for any restrictions or special instructions about connecting electric components to the tractor Single RH Wing Shown Curb Cylinder Bar Tilt Cylinder To Base End Control Valve to of Bar Lift Cylinder Rod End of Curb Lift Cylinder Control Valve to Cylinder Control Base End of Curb Valve Bottom View Break A Way Lift Cylinder MU DU NANG wl ls Return From Valve o e to Filter Tee C f C oo Er Out Port In Port Pressure From Pump Io Break A Way Valve Pressure to Motor Port Tank Return T Port Pressure From Break A Way Valve Actuator Solenoid Valve JL Pressure P Port ore Suction Pump rl 3 Rotary 2 N Actuator 9 Return From Motor 2 Port Return From Actuator to Control Valve Return Pressure From Pump To Cylinder Fig ure 26 Control Valve
27. ELECTRICAL CIRCUIT Electrical Circuit RH Wing Mower The electrical circuit is a pre assembled wire harness that will control the motor functions The harness used with a push pull off on switch that prevents the tractor from being started when motor is engaged The wire harness uses a three position toggle switch that is used to reverse the knife bar direction of travel These switches are not part of the wire harness assembly These switches must be connected correctly to operate correctly See Figure 1 There is a motor control valve mounted on top of the hydraulic tank that will have two electrical solenoids connected to The wire harness has two plugs on one end that connects to the solenoids one plug will have longer wire also has White Wire than the other and will connect to the solenoid further most from the cutter bar mount The other plug with the shorter wire has Yellow Wire will connect to the first solenoid closet to the operator IMPORTANT NOTICE READ The Starter solenoid wires and the 12V power supply wire must 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 on position It is nessasary to connect power supply close to ignition switch with in 3 of switch If power supply wire is connected direct to a power source that is charge when ignition switch is off it will run the tractor battery down The Solenoid wires
28. Follow recommended This is the Safety Alert symbol When you see this symbol on your machine or in A precautions and safe operating practices DANGER A signal word DANGER WARNING or CAUTION is used with the Safety Alert symbol DANGER identifies the most serious hazards WARNING Safety signs with signal word WARNING are typically used to point out more serious hazards CAUTION General precautions are listed on CAUTION safety sign CAUTION also calls attention to safety messages in these instructions Tractor Area Cleanliness The Tractor all tools and work area must be clean of dirt and debris when assembling any hydraulic components DO NOT leave any hydraulic component open to the elements DO not use any containers for fluids that are not clean and free of any other liquids DO NOT use rags cloth that has lint or fuzz on them when working on hydraulic components Keep all hoses capped until you are ready to connect them Switchblade NH TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 9 2005 Alamo Group Inc Section 2 3 General Information Installation Requirements Disconnect the negative lead ground from the battery terminal to prevent tga LEVELING TRACTOR TRACTOR MUST be on level ground before assembly is begun The tractor must be level All tires must have the proper amount of air in them as per tire and or Tractors manufactures recommend
29. H Frame Weldment for Cab Tractor Shown 2 02975125 1 Axle Mount Strap 3 0665400 1 Subframe Weldment 4 00753753 4 Bolt Hex Head 5 8 NC X 2 PL GR8 5 00695100 4 Locknut Toplock 5 8 6 02965236 4 Bolt Hex Head 3 4 NC X 9 1 2 PL GR8 A 00000200 4 Nut 3 4 NC Hex PL 8 00003901 4 Lockwasher 3 4 PL 5312316 4 Flatwasher 3 4 Hardened 9 02976463 2 Bolt Hex Head M20 P2 5 X 40MM PL GR10 9 10 02971158 4 Lockwasher 20MM 11 02975738 2 Bolt Hex Head M20 P2 5 X 70MM PL GH10 9 12 02971158 4 Lockwasher 20MM 13 00023100 4 Bolt Hex Head 3 8 NC X 1 1 2 f Hyd Tank Mount 00011100 4 Flatwasher 3 8 f Hyd Tank Mount 00015800 4 Locknut Toplock 3 8 f Hyd Tank Mount Frame shown separated here this is for illustration only Frame is a welded assembly when front section is welded to tube here it will obstruct the view of the mounting lug for illustration See Item 11 12 Figure 1 Switchblade NH TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 4 2 Frame Installation 1 Identify and locate the frame rail Item 1 Figure 1 Sub frame Weldment Item 3 Figure 1 and the Bolts Washer and Nuts as listed in Figure 1 The tractor will have plastic plugs in the tractor housing these plastic plugs will need to be removed 3 aman 2 Remove RH Side Steps The steps on the a Remove RH side of the tractor will be removed and not used so as n
30. Holland Tractor TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Mount Kit Components Identification Switchblade NH TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 8 1 Mount Kit Bill of Material Cab New Holland Cab 2 amp 4wd TN60DA 70DA 75DA amp TN55D 65D 70D 75D As OfDate 6 23 03 LT 235 85 R16 Min 11 2 24 Max front tire 16 9 24 4 Min 16 9 30 Max rear tire Mount Kit Subframe Kit 02980118 Hydraulic Kits xerit 02980119 Options Pump QUANG m 02977682 Knife Brackets 2 req d 0467100 Hydraulic Break Away Hose 02982554 Virginia DOT Option Kit Sept 2002 Bid Spec 02982658 Cab Mirror Kit Series Only See Photo 02982794 Two Spool Valve Coupler Kit Converts to 3 8 Flat Face 02982799 Important notes 1 Firstcut from tractor center line is approximately 58 The oil reservoir is rotated for tire clearance and stability see picture below 3 Switchblade frame will maintain 9 of ground clearance when the tractor 1s equipped with the minimum tires listed above Virgnia DOT Option Kit Sept 2002 Spec P N 02982657 Includes following 8 items tem Part No Qty Description 1 02982615 1 FILTE
31. 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 110 ft Ibs 11 From the bottom of the drive assembly turn the drive assembly there are holes in the outer diameter of the flywheel that can be used to turn it by inserting a bar into the hole Align the drive assembly support bracket with the two bolt holes for the drive stud bearing KEEP YOUR HAND away from the cutting blades they are sharp After the two 10 mm bolts are installed into the drive stud bearing torque them to 35 ft lbs The drive assembly can be checked prior to bolting on the motor Use a punch or rod that can be inserted into the hole on the OD of the flywheel KEEP YOUR HANDS OUT OF THE KNIVES This will check to make certain the cutter bar is not binding and also check to make 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 bolt 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 bearing it to slide the bearing and knife head weldment up and down slightly on the knife drive st
32. N75DA Asy Man 06 05 2005 Alamo Group Inc Section 2 6 Section 3 Switch Blade Pump amp Drive Shaft Installation New Holland Tractor TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Switchblade NH TN60D TN TN70D TN70DA TN75D amp TN75DA Asy 06 05 2005 Alamo Group Inc Section 3 1 Mount Kit Component Identification Pump Driveshaft Schematic Tractor Engine Pulley 3 of 6 mounting bolts removed Coupling Flange P N 0062000 3 4 Bore w 3 16 keyway Pulley Adapter 02975110 1 4 setscrew included in P N 02975188 Setscrew P N 02957080 3 4 w 3 16 Keyway 7 8 X 13 Spline pom 0 Flange Mounting Bolts Qty 3 ea Bolts P N 02975150 amp Locknuts 4 ea ___ Drive Shaft 3 4 3 16 Lockwasher P N 00755954 Included W Center Coupling Keyway X 7 8 w 13 spline P N 02976279 Driveshaft Cover P N02989318 Center Coupling Asy P N 02975188 Bolts P N 00023100 included Coupling Flanges Center P N 00015800 Coupler and Nut Bolt Sets NIH Pump Assembly Center Coupling w Nut amp Bolt Set included in P N 02975188 Asy Bolts P N Lockwasher P N Flange P N 02974359 5 8 Bore w 9 Spline included in P N 02975188 Asy Pump Mount P N 02976283 Pump Drive Schematic This Section covers the installation of Pump Drive Components Pump Assembly Some precautions that must be followed during
33. OLT HEX HEAD M20 P2 5 X 70MM PL GR10 9 8 02976463 2 BOLT HEX HEAD M20 P2 5 X 40MM PL GR10 9 9 02980079 1 WELDMENT SUBFRAME WELDMENT 10 5312316 4 FLATWASHER 3 4 11 02971158 4 LOCKWASHER 20MM 12 0665400 1 SUBFRAME 13 00753753 4 BOLT HEX HEAD 5 8 NC X 2 PL GR 8 14 00695100 4 LOCKNUT TOPLOCK 5 8 NC Above items are included in Switchblade Sub Frame Kit P N 02980118 Hydraulic Kit P N 02980119 RH Wing Only Includes items below New Holland TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Cab 2 amp 4wd Item Part No Qty Description 1 00011100 8 FLATWASHER 3 8 SID 2 00011400 4 BOLT HEX HEAD 3 8 NC X 1 3 00015800 8 LOCKNUT TOPLOCK 3 8 4 00023100 3 BOLT HEX HEAD 3 8 16NC X 1 1 2 PL GR5 D 00023500 6 FLATWASHER 5 16 PL 6 000849 1 ELBOW STREET 45 DEG 7 000859 12 PLASTIC TIE 8 001636 2 BOLT HEX HEAD 1 4 NC X 2 9 0022400 2 ADAPTER HYD ELBOW 12MP 12FP90 10 0022800 1 BUSHING REDUCING 11 00750940 3 LOCKNUT TOPLOCK 5 16 NC PLB 12 0148600 1 KEY 13 0222100 2 FITTING HOSE BIB 16HOSE 12MP 14 02733700 3 BOLT HEX HEAD 5 16 NC 4 1 2 GR5 15 02959924 2 LOCKNUT TOPLOCK 1 4 NC PLB 16 02966687 2 YOKE ADJUSTING 17 02966688 2 CLEVIS PIN 3 16 X 7 8 18 02968698 2 COTTER PIN 3 32 X 3 4 Continued Next Page Switchblade NH TN60D TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 8 4 Continued From Previous Page Item 19 20
34. Or 2 nd there is a clamp bolt on the Knife Head Weldment loosen the clamp bolt this will allow the Knife drive stud bearing to pull out of the knife head weldment clamp or off the knife drive stud bearing assembly See Figure 23 amp 24 Once 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 to the Flywheel with four bolts the flywheel is pressed down over the top shaft of the drive subassembly The Knife stud bearing support bolts to the bottom of the drive subassembly with two bolts The Knife drive stud bearing bolts to the support bracket See Figure 27 If you unbolted the stud drive and left it in 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 it to the support bracket Grab the OD of the stud drive and the outer cover should spin freely while the top for the two bolts will not it should not be rough or out of round To work properly it must be free and smooth turning Check the nylon bearing in the knife head weldment it has to be in good condition also This nylon bearing does not turn when installed it acts solely as a bushing between
35. R OUTER AIR NH 1930587 2 02982616 1 FILTER INNER AIR NH 1930588 3 02982617 1 FILTER HYDRAULIC NH 47131194 4 02982618 1 FILTER ENGINE OIL NH 47135703 5 02982619 1 FILTER FUEL NH 47135706 6 02982620 1 FILTER CAB FOAMCVR NH 47131888 7 02982621 2 FILTER OUTR CAB NH 47135038 8 02982622 1 FILTER 2ND OUTRCAB NH 47135044 Switchblade NH TN60D TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 8 2 Mount Kit Bill of Material Optional Outside Corner Mirror Kit Switchblade NH TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 8 3 Mount Kit Bill of Material IMPORTANT NOTICE The following Assembly Numbers for reference and should not be ordered as replacement parts unless all the components in that assembly are wanted These will break down to bills of material of the components Some of numbers listed are NOT individual Parts but complete assemblies and or box of assemblies Check before ordering Sub Frame Kit P N 02980118 RH Wing Only Includes Items Below New Holland TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Cab 2 amp 4wd Item Part No Gty Description 1 00000200 4 NUT 3 4 NC HEX PL 2 00003901 4 LOCKWASHER 3 4 PL 3 0112400 1 PIN TRIUMPH STOP 4 0114600 1 PIN HAIR D 02965236 4 BOLT HEX HEAD 3 4 NC X 9 1 2 PL GR8 6 02975125 1 AKLE MOUNT STRAP 7 02975738 2 B
36. REPLACEMENT Knife Drive Assembly Repair Replacement 1 The knife drive assembly will be limited to the parts that can be replaced The Actual knife drive subassembly is not a repairable part and will not have replacement parts available components on the knife drive assembly can be replaced only 2 It will not be require to remove any of the hydraulic hoses or even take them loose The Motor can be unbolted from the drive ed Hub Adapter assembly and laid aside with the hoses still connected The motor has splined shaft that mates to the hub adapter 3 Looking down at the planetary drive and Hydraulic Motor Assembly there are four nuts in the plate that is attached to the drive assembly Remove these four nuts if you want to remove the four carriage bolts the skid shoe will have to unbolted and removed When lifting 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 spacers The short ones go to the rear and the long ones go to the front See Figure 22 4 There are two ways to remove Support the knife drive assembly from the cutter we 57 bar knife head weldment Support Mnt 9 1st isto remove the two knife drive Bolts 8 boltthatretaintheknife drive studtothe drive assembly support bracket this allows the Figure 27 drive stud bearing assembly to stay with the cutterbar See Figure 27 6
37. S TANIA FAS nal uu uuu k TOT 4 3 Reinstall Tractor RH Point Stabilizer 4 4 Install Sub Frame Weldment 4 3 Install Saddle Mount Crossmempber 4 4 to 4 5 Install RH Side Mount Spacer 4 6 Install Hyd Tank Mount Bracket 4 6 Weld Frame Rail mounting 5 4 7 Install Sub Frame Weldment 4 7 Install Optional Knife Bracket Kit 4 8 Replacement Outside Mirror Kit Installation 4 8 Install Cutter Bar Break a way relief block 4 9 Install Hydraulic Tank Assembly 4 9 to 4 10 Install Cutter Head Assembly 4 9 to 4 10 Switchblade NH TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Index 2 INDEX ASSEMBLY INSTRUCTION Section 5 Hyd Valve amp Hyd Hose Section Page Install Control Valve Mounting Bracket ROPS Tractor 5 2 Control valve Mount Bracket ROPS
38. See Figure 12 The hose are to be run later according to the hydraulic hose routing schematic Switchblade NH TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 9 2005 Alamo Group Inc Section 4 5 Frame Installation 13 Cutter Head Assembly The Cutter head Assembly is shipped completely assembled with the Skid Shoe Actuator Pre Assembly Carriage Arm Hydraulic Cylinders Hydraulic Motor Drive Assembly Motor Cover and Cutter Bar Assem bly attached See Figure 13 To mount this the carriage Arm See Figure 14 which has the Car riage Arm Mounting pin installed in it when shipped will have to have the pin removed See Figure 19 14 Install Cutter Head Assembly Using a hoist lift the cutterhead assembly into position Install the lift arm pivot pin and install the retaing bolts into the pin See Figure 14 amp 15 15 Hose Sleeving Material All hoses will be ran through sleeving material Check before con necting or iinstalling any hoses to see if they run through the sleeving See Figure 16 16 Make Certain Bolts are Tightened Make certain that the mounting bolts that have been in Stalled so far are tighten It is recommended that the bolts be marked with a identifing mark Paint Marker or some mark that installer will reconice as they already tightened the bolt This will help prevent missing bolts as it will Jai Figure 15 Switchblade NH TN
39. Switch Blade ML New Holland TN60D TN70D TN75D TN60DA TN70DA TN75DA ALAMO 4 Wheel Drive CAB Published 06 05 Part No 02982890 _ASSEMBLY Tractors equipped with additional options special equipment tractor manufacturer modifications new tractor models or Customer alterations may prevent this Mount Kit from being properly mounted to the tractor Alamo Group is not responsible for modifications to the MountKit to accommodate these differences ALAMO INDUSTRIAL 1502 E Walnut Seguin Texas 78155 gt MEMBER OF THE ra ALAMO GROUP 2 1 0 79 1 48 0 2005 Alamo Group Inc ALWAYS ON THE CUTTING EDGE THE OWNER OPERATOR DEALER All implements with moving parts are potentially hazardous There is no substitute for a cautious safe minded operator who recognizes the potential hazards and follows reasonable safety practices The manufacturer has designed this implement to be used with all its safety equipment properly attached to minimize the chance of accidents BEFORE YOU START Read the safety messages on the implement and shown in your manual Observe the rules of safety and common sense FAILING TO FOLLOW SAFETY MESSAGES AND OPERATING INSTRUCTIONS CAN CAUSE SERIOUS BODILY INJURY OR EVEN DEATH TO OPERATOR AND OTHERS IN THE AREA 4 RIDERS 3 USE SAFETY SHOES 4 BLOCK UP SECURELY NO CHILDREN OPERATORS HARD HAT SAFETY BEFORE WORKING GLASSES SEAT UNDER BELTS amp ROPS e 1 a
40. Valve Pressure Port Tank Suction o Pump a OHHH E IRE LE Rotary Actuator 9 Return From Motor M2 Port Return From Actuator to Control Valve Return Pressure From Pump To Cylinder Control Valve Switchblade NH TN60D TN TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 8 12 NOTES White 16 Wire Spade Connector Black 16 Wire Use Gaskets to Seal Both Plugs Red 16 Wire Black 16 Wire Spade Connector Common Ground Yellow 16 Wire Front Solenoid Plug Spade Connector White 16 Brown 12 Butt Connectors Wire Wire to Starter Solenoid Red 16 Wire 12 Volt Supply Solenoid Plug Red 16 Wire Black 16 Wire Fuse Holder with 10 NOTE Red 16 Wire 12 Volt Supply Connect to Key Switch Connection AMP Inline Fuse that is positive only when ignition key is in ON Position If connected to direct power supply and push pull switch is left on when tractor is stopped and 4 Terminal Plug parked it will run down the tractor battery for Push Pull Switch Push Pull Switch Wire Harness plug will only fit one way on push pull switch to prevent it being connected wrong This Wire Harness Used for RH Wing Switchblade NH TN60D TN 60DA TN70D TN70DA TN75D am
41. When sharpening knife be careful to restore the original shear angle and bevel of 23 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 the hard cutting edge has been ground away andthe section is to short to cut everything encountered Knife Replacement Replace worn or broken knife sections Alamo Industrial knife sections are heavy duty sec tions made of special steel and will stay sharp for many more hours than conventional sections New Sections Improperly ground sec proper bevel and tions narrow bevel angle for good work andwrongangle which changes the angle of shear properly ground sec tions even after re peated griding proper bevel and angle are retained Sections ground off center destroying the register of blade in guard Switchblade NH TN60D TN TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 9 2005 Alamo Group Inc Section 7 4 CUTTER REPLACEMENT Cutter Bar Assembly Replacement Replacement of the complete cutter bar assembly will require the cutter bar assembly to be unbolted from 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 It will not be require to remove any of the hydraulic hoses or even take them loose Looking down at the plan
42. acking Strip Switchblade NH TN60D TN TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 9 2005 Alamo Group Inc Section 7 6 KNIFE REPLACEMENT Knife Replacement Special Cone The Knives are very sharp use gloves and Locknut caution when working with these knives Secure tractor so that it cannotbe started until you are ready for it to Set the parking brake on the tractor Make knife certain cutter bar is completely on the down stroke D OP GEN this will prevent the cutter bar from moving down ward Also the Knives can be locked with a clamp so it cannot move unless you want it to If cutter bar Ridged Ridged Knife needs to move the best way is by using a punch in Shoulder Shoulder Backing otrip one of the holes on the flywheel remove clamp the replace it after you have moved the cutterbar Special To remove the old knife the Knife retaining Figure 12 Knife Bolt bolt will have to be removed usually these bolts cannot be used again and it is 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 is ridged to make drive in fit Drive the bolt out from the top there two bolts per knife There are two different length of these bolts the majority is 5 8 long The first 7 bolts which also bolt the knife section knife backing strip andthe knife head weldment together is longer 1 1 64 long Remove the lo
43. ade The Switch Blade has an independent hydraulic system to operate the motor and the cylinder system This system uses a tandem for hydraulic supply and its own independent oil reservoir Use caution not to contaminate this system DO NOT DO NOT short any wires across or allow them to be shorted out DO NOT attempt to jump across any wires or supply them with alternate power source DO NOT install higher rated fuses than are recommended by manufacturer DO NOT attempt to repair or adjust a component that is not intended to be repaired example sealed components as there are no serviceable components inside 5 DO NOT let anyone attempt any testing repairs unless they an experienced and qualified technician Technicians must have proper tools gauges meters etc to perform proper diagnosis and or repairs 6 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 7 DO NOT start or engage system if the oil level is not at the proper level or condition Never start or run unit low or out of oil If installing new pumpnever start engine unless pump system has been filled with oil starting a pump dry will damage it 8 DO NOT install add any oil unless you know it is the correct type and the container is clean Make certain the oil is not contaminated with dirt or any liquid 9 DO NOT Make repairs if it is going
44. ations DO NOT level tractor by over inflating tires The tractor can be leveled by jacking it up and putting it on jack stands if needed but this will mean the tractor will be un level when they are removed If the tractor does not sit level you must find out why so mower will be level when mounted if it is mounted with the tractor un level the mower will be un level when tractor is leveled Replacement Oil Filter A replacement filter element for return filter assembly should be of the correct type when replaced This Mower unit s hydraulic components have been carefully cleaned and packaged at the factory to prevent contamination from entering the system However dust and dirt particles may enter into the sealed components through transportation handling rain or just sitting in a dirty or harsh environment Therefore to assure that the hydraulic system is properly clean please prepare the area where the unit is to be assembled The area should be on a hard concrete floor that has been swept clean of all dust and contaminants Unpacked the Mower unit carefully so that the seals on the hydraulic components are not broken or pulled off WARNING Before attempting to assemble the mower to the tractor move the tractor to a clean solid surface preferably a concrete shop surface with an over head crane The crane should have arated capacity to lift the heaviest component or assembly 5 ton crane is recommended for the assembly work If a smalle
45. cknut 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 and notdrive a punch or 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 bar The Knife retaining is a special ridged shouldered bolt this makes the bolt have a wedged fit into the knife backing strip The special bolt will need to be driven into the knife backing strip from the bottom until the 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 will twist off Torque 9 to 10 ft 05 max If all the rock guards and clips were adjusted right to begin with they should not have changed but check them for alignment to Figure 14 make certain If the rock guards and clips need to be adjusted go back to the guard ajustment section earlier in the manual See Figure 11 12 13 amp 14 Switch Blade JD 5425 amp JD 5525 Asy Man 05 05 2005 Alamo Group Inc Section 7 7 OUTER SHOE ASSEMBLY REPLACEMENT Outer Shoe Assembly Replacement The outer shoe assembly bolts to the last two holes in the cutterbar There are two different length bolts used here because the last bolt will also mount the outer shoe sole to
46. de of the containers mustbe clean If a windy dusty day do notfill and allow dirt to blow into oil Always add Oil using a pump system with at least a 10 Micron filter system See Figure 34 Switchblade NH TN60D TN TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 5 11 Fill Hydraulic Tank Fill Hydraulic Tank with Oil S Fill Tank Fill the Hydraulic Tank See Figure 37 Fill tank till the Oil is visible in the sight Gauge See Figure 35 amp 36 This will fill tank for the start but it will have to filled again later Read Step 6 a must 6 Fill Suction Hose with Oil This is an important step that must be done Remove the Suction Hose at the Tank See Figure 6 and fill the hose with clean oil THIS IS A MUST DO The Suction Hose must be filled with Oil to prevent Dry start up of Pump Dry start up of PUMP can damage the Pump After filling suction Hose reinstall it and tighten down Hose Clamp Pressure Gauge S Sight Gauge Oil Level amp Temperature Sight Gauge Switchblade NH TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 5 12 _ Section 6 Switchblade Electrical Connections New Holland Tractor TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Switchblade NH TN60D TN TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 6 1 MOTOR PUMP
47. determine which is used Qty of two Item 10 Switches must be installed amp cables required per unit Harness must be connected before attaching switch 1tem 10 to control sticks Switchblade NH TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 5 4 Control Valve amp Valve Controls Installation PartNo Qty Description 02982077 Valve Asy W Fittings 21 02974306 Valve Asy W O Fittings 22 1 02976934 2 Unload Plunger 23 2 02966645 2 Poppet Asy 24 3 02966646 1 25 4 02976933 2 Spool 26 5 02966648 4 Seat Asy 27 6 02966649 2 Plug Asy 28 7 02966650 2 Plug Asy 29 8 02966651 2 Bushing 30 9 02966652 2 Lockout Spring 31 10 02966653 Cap Asy 32 11 02966654 1 Plug Asy 33 12 02976932 1 Body 34 13 02976931 1 Poppet 35 14 02976930 1 Seat 36 15 02966657 4 O Ring 16 02966658 2 Retaining Ring 37 17 02966659 A R Washer 18 02966660 A R Washer 38 19 02966661 A R Washer 20 02966662 1 Washer 39 Two Spool Control Valve Item Part 02976946 02976945 02966669 02976944 02976943 02976942 02976941 02976940 02976939 02976938 02976937 02976936 02976935 02966671 02976957 02968850 03200284 02965166 02982479 Qty NP IS D sos E NO Description Cap Asy Spring Spring Plug Asy Washer Washer Ball Spring Spring Cone Spacer Adapter Cap Washer Wiper Seal Ha
48. e 37 Degree Angle End Steel Hose End Fittings Dash Nominal Cyl Torque Torque Size Size in in Ibs ft 16 4 1 4 140 12 6 3 8 230 19 8 1 2 450 38 10 5 8 650 54 12 3 4 900 75 16 1 1200 100 20 1 1 4 1600 133 24 1 1 2 2000 167 32 2 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 allow 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 will vary depending what is bolted down and the type material Metal that is being bolted together Thread condition and lubrication will vary Torque settings ne sed Metric Sizes ALWAYS CHECK MARKINGS Noreg ON Not Used TOP Not Used OF 35 47 55 75 BOLT 75 102 HEAD 105 142 OR 185 251 250 339 670 908 1030 1396 BOLT 330 447 1460 1979 _ 480 651 2060 2793 6 Switchblade NH TN60D TN TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 1 6 Section 2 Switch Blade General Information New Holland Tractor TL80A TL90A amp TL100A Section 2 1 General Information Installation Requirements INTRODUCTION In Most diagrams there are Component Part N
49. e going especially at row ends on roads and around trees Do not permit others to ride Operate the tractor smoothly no jerky turns starts or stops Hitch only to the drawbar and hitch points recommended by the tractor manufacturer When the tractor is stopped set brakes securely and use park lock if available Oi 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 to your attention practices that can avoid serious injury It is our belief that trained operators can avoid painful experiences by carefully reading and adhering to the following 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 it WORK SAFELY Most of the repairs can be performed by one man but some of the parts are very heavy GET HELP IF YOU NEED Use the right tools for the job A floor jack or hoist will be a big help but make sure they are in safe condition Keep the floor free from oil and grease so you don t slip WEAR SAFETY GLASSES SAFETY SHOES AND GLOVES and make sure your helper does too This machine can be dangerous if not operated safely Do not operate it until you have read and understand all safety and operation recommendations in Operators Assembly Service manuals DANGER Know the equipment learn to
50. e three bolts are inserted through the handle mount See Figure 18 This is for the cab model or with remote cable control The Rops model the valve is mounted to the valve stand and the control handles are connected directly to the valve See Figure 19 NOTE Cab models the control handles are installed with the three mounting bolt heads toward operator and the nuts toward the RH Door away from operator See Figure 21 T _ Install the Operation instruction decal to the valve controls as shown See Figure 19 amp 20 Push Pull amp Reversing Toggle Switch 1 Ihe push pull switch mount to the valve stand on non cab tractors See Figure 20 and to the remote valve control cable handle mount on a cab model See Figure 19 On Cab models the switch can be mounted some where else if that is what the customer wanted however it Is recommended that the switch be mounted as shown See Figure 19 amp 20 Figure 19 k Switchblade NH TN60D TN TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 5 7 HydraulicControl Valve 4 Hoses Control Valve amp Hoses 1 The two spool valve assembly shown See Figure 22 shows the fittings that are used on the two spool control valve Study the drawing When working on valve always clean the exterior of the valve and hoses before disconnecting them After disconnect ing the hoses cap them with clean caps to keep contamination out o
51. etary drive and Hydraulic Motor Assembly there are four nuts in the plate that is attached to the drive assembly Remove these four nuts if you want to remove the four carriage bolts the skid shoe will have to be unbolted and removed When lifting 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 spacers The short ones go to the rear and the long ones go to the front Once 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 There will be two more bolts connecting cutter bar to break a way assembly once these nuts are removed the cutter bar should lift up over the bolts if they were left in There will be a square plate under the cutter bar that has 4 holes in it make certain to note this for reassembly When reinstalling cutter bar reverse the disassembly procedures Make certain the nylon bearing is in good condition or replaced sometimes the clamp will have to 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 drive stud can be unbolted from drive assembly inserted into nylon bearing and re bolted to drive assembly later The nuts on the carriage bolts 4 short and 2 long 3 4 carriage bolis that retain the drive assembly and the cutter bar to
52. f hydraulic system When disas sembling the valve make certain the OD of it and all work areas are clean do not use dirty tools or rags that LY Gy will leave lint Only lint free towels paper or suitable lt type can be used to wipe down the hydraulic system 4 _ lt If any components need to be held in the valve body during assembly petroleum jelly can be used PartNo Qty Description 1 02968850 2 Adapter Straight 8MB 6MJ 2 03200284 2 Adapter Straight 6MB AMJ 02965166 2 Adapter Tee GFJX 6MJ 6 4 02982479 2 Adapter Straight 4MB 6FJX 2 When Connecting the hoses to the control valve follow the directions as shown in the hydraulic diagram See Figure 26 Do not connect hoses backward as this could damage the components 3 The control handle will connect direct to the valve on ROPS Trctor See Figure 23 the electric reversing switch and components also connect to the valve mount bracket as shown See Figure 23 4 Install The Hose Holder This will bolt onthe RH side of front bolster See Figure 24 amp 25 Looking at the side of the tractor you will see 8 threaded holes bolt hose holder in the lower hole in second set back from front 16 mm Hole See Figure 24 4 25 hoses will be run through sleeving material this must be done before they are connected TEM P N 02978281 Hose Ring Weldment NG Switchblade NH TN60D TN TN70D TN70D
53. g is in good condition or replaced sometimes the clamp will have to 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 the clamp bolt at this time This drive stud can be unbolted from drive assembly inserted into nylon bearing and re bolted to drive assembly later See Figure 10 amp 11 ifthe drive stud is removed from the drive assembly when you reinstall it the two socket head bolts will need to be torqued to 35 ft Ibs The nuts on the carriage bolts 4 short and 2 long 3 4 carriage bolts that retain the drive assembly and the cutter bar to the break a way assembly must be torqued to 85 ft Ibs Drive Stud Tighten the clamp bolt around the p e Nylon Bearing drive stud use a good thread lock com pound on clamp bolt and tighten the clamp bolt 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 After the assembly is finished the guards clips and ledger must be checked for clearance see the previous section in this manualfor setting knife barto cutter bar components See Figure 10 amp 11 The skid shoe will be the last item reinstalled Make certain the rod deflector Figure 11 which bolts to the front of the skid shoe is pointed correctly Clamp amp Clamp Bolt Knife Head Weldment Blade Section Knife B
54. he control valve bolts direct to the valve P N 107352 stand on the ROPS model Control Stand Weldment Used on ROPS Tractor cab to the fender wall See Figure 5 amp 6 NOTE For exact instructions on the removal of any upholstery panels consult the tractor manufactures service re P N 02977335 Valve Mount Brkt pair manual The inside upholstery panel on the RH side Weldment Used on ROPS Tractors of the fender will need to be removed to find the two threaded mounting holes for the control stand weldment to bolt onto See Figure 6 The fender upholstery panel will need two holes See Figur 7 cut in it so the bracket canbe bolted down These two holes can be cut with a hole saw to make a nice cut See Figure 7 Re install the upholstery panel to the tractor Install the control Stand Weldment P N 02981115 to the side panel See Figure 42 2 Install Control Valve Mount Bracket Cab Model The cab model uses a bracket that will bolt inside the Switchblade NH TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 5 2 Control Valve amp Valve Controls Installation 3 Cut Hole in Floor Mat Cables and Electrical Harness to pass through Cut a hole in the floor mat of cab as shown See Figure 8 Check under floor to make certain that there is noting under the floor that can be hit when cutting hole or that will obstruct the cables and wire harne
55. he 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 gt Here 15 typical problem You have adapter that adds 10 0 inches to a torque wrench length dimension B What should the setting be to obtain 320 ft lbs of torque at the end of the adapter 22 57 inches length from adapter mounting point torque wrench to center of grip handle 10 0 inches Length from adapter mounting point of torque wrench to center of hex slot 320 ft lbs torque desired torque at end of extension D Unknown setting you need to set torque wrench to 320 ft lbs for accuracy A 22 57 22 57 320 320 320 X 222 ft 16 A 22 57 10 0 32 57 Your Answer 0 is a setting of 222 ft lbs on the torque wrench will give 320 ft 16 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 Switchblade NH TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 1 5 SPECIFICATIONS SWITCH BLADE HOSE END FITTING TORQUE SPECS Hose End Typ
56. hort Tube Spacer JM skid shoe remove the 8 bolts Way Rotor EP Inner Skid Shoe that retain break a way rotor ac aT Weldment Actuator Pin tuator pin The rotor Actuator 5 pin goes the way through the gt Motor Drive shoe weldment and can be re Cover moved by pushing up pin Ssh from bottom See Figure 19 20 amp 21 6 The Back Plate is retained by 3 bolts which Back Pivot mountitto the Carriage Arm Itis Plate not required to remove the Back Pivot Plate to remove skid show weldment It must removed re move the three retaining bolts to drop the back plate Rotor Actuator Switchblade NH TN60D TN TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 7 9 INNER SHOE WELDMENT REPLACEMENT 6 If the Back Plate has been removed from the carriage arm it will have to be reset after the reassembly is done 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 properly The assembly of the skid shoe weldment replacement of the Rotor Actuator Drive Assembly Cutter Bar Skid Shoe and Drive Assembly Cover will be reinstalled by reversing the disas
57. mbled Switchblade NH TN60D TN TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 7 CUTTER 5 Lead Adjustment The lead angle is how far the outer end of the cutter bar runs forward of the inner end Move to here to The lead angle of the cutter bar is preset at 5 br FT the factory at 3 6 per foot The lead may be decrease lead changed if desired To reduce the lead move the washers from the outside of the cutterbar support plate in between the rubber strike pad and plate See Figure 3 Pitch Adjustment The Pitch angle is the level of the cutter bar front to rear or what angle the blade is to level front to rear Different cutting conditions allow you to change the pitch of the knife by 15 to 15 level 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 front Set Pitch at what works best for your application Cutter Bar Alignment All cutting is done by the knife passing over ledger plate in the guard It is vital that these sections are parallel with the plates and in contact with them See Figure 5 amp 6 The knife should move smoothly in the cutterbar guides and every knife section should rest on the ledge
58. nd understand operator s manus safety signs and lnsiractional decals Tor rector and implement apreveni muse abuse and accidents i Leann how suddenly la an emergency Be alert fr passerby and especially children 2 Allow na children on ormear implement tractar Ad ow 5 on tractor and implement Falin gol may couse senou sinjury or death from being nun ever by rachor or cutter or conc ct wh bl ades 2 Operate racio having Beli Cwer Protective Slructure HOP S sndwilh fastened securely and snugly bo prevent injury amd posmi e dean from falling of or iractor Personal Protective Equipment sch az Hard Fat Sate Glasses Safety Shoes and Ear Plugs are EDOM en DE 4 Block up or support raised machine and components se cuneby bere putting hands cr feet under or working underneath mj components bo prevent crusting Injuryor death trom sudden doppingar operation of controls Make certain area m dear before g or tuding Besoretransporting pul LK Lever in delent cr tuld posia Secure e implement for sport by Cylinder Stops Transport Pin on Pull Pype implemen TATA axle and Ping Trarspos Locks on folding inplenenis e Sach Saleh Chata cuker and bing unit secunehy Sor Operabar s Manual Maine certain that the SM sign Warning Lights and ReTecors ane dearty visible Folie local Eratfic codes 7
59. nderstood that many instances may arrive where correspondence with the Manufacturer is neces sary CONTACTING MANUFACTURER Please help us Help You Before You Call Alamo Industrial Service Staff Members are dedicated to helping you solve your problem or your customer s 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 or customer 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 gs ai 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 following 1 Check the Service Information at your Dealership provided by Alamo Industrial This would include Service Bulletins Information Bulletins Parts Manuals Operators Manuals Assembly Manualor Service Manual many ofthese are available via Alamo Industrial Internet site www Alamo Industrial Attempt to diagnose or repair problem before calling 2 If a callto Alamo Indu
60. ndle Kit Adapter Straight 8MB 6MJ Adapter Straight 6MB 4MJ Adapter Tee 6FJX 6MJ 6MJ Adapter Straight 4MB 6FJX The two spool valve assembly shown See Figure 13 shows the components that are replaceable in the two spool control valve Study the drawings the torque specification if any are listed for figure 12 The fittings are shown in figure 13 When working on valve always clean the exterior of the valve and hoses before discon necting them After disconnecting the hoses cap them with clean caps to keep contamina tion out of hydraulic system When disassem bling the valve make certain the OD of it and all work areas are clean do not use dirty tools or rags that will leave lint Only lint free towels paper or suitable type can be used to wipe down the hydraulic system If any components need to be held in the valve body during assem bly petroleum jelly can be used DO NOT Ex ceed the recommended torque setting listed in figure 12 When removing plug item 11 watch the qty of washers that are removed this amount is what should be started with when reassem bling plug Switchblade NH TN60D TN TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 Section 5 5 2005 Alamo Group Inc 2005 Alamo Group Inc Control Valve amp Valve Controls Installation Control Cable Connection to Control Stick Assemblies 1 First remove the Cross Screw from the bottom of the Control Stick Assembl
61. ng bolts on the RH rear axle will need to be removed and replaced with the longer bolts See Figure 4 Using the jack raise the frame up untill it is against the rear axle housing Install the new bolts nuts lockwashers flatwashers and the axle strap See Figure 1 4 amp 5 Switchblade NH TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 4 Frame Installation 6 Install Frame Rail Mid Mount Bolts Thefront frame rail will mount in two places the mid mount plate and the front mount plate See Figure 1 amp 6 The mid mount place bolts to the tractor using the same location as the RH front cab mount Re move the existing cab mount bolts on the RH front corner Using the M20X 70mm bolts See item 11 amp 12 Figure 1 bolt the mainframe mid mount over the cab mount Do not tighten these bolts at this Thre time Stabiliz h is 7 Install Frame Rail Front Mount Bolts Thefront mount bolts use M20 X 40 mm bolts and lockwashers See 6 7 amp 8 Figure 1 Install the front mount plate bolts and washers Tighten the rear mount bolts mid mount plate bolts and the front mount plate bolts securly Once these bolts are tightened the floor jack can be removed Mid Mount Plate Front Mount Plate 8 Install Sub frame Mount Weldment The sub frame mount weldment will bolt to the side of the frame rail with four bolts washers and n
62. ot to interfere with the clearance of the mower head The factory toolbox if equipped will need to be removed also for clearance It will be dealer and or customers choice on where and wether the toolbox is remounted somewhere else for use See Figure 2 amp 3 The RH step Remove RH Step Factory E Toolbox amp Toolbox mount ing bracket 3 3 Point Stabilizer Bracket The RH side 3 point stabilizer bracket will not be unbolted from the tractors RH rear axle housing see Figure 4 Leave the stabilizer on tractor IT WILL NOT need gt to be removed 4 Install Frame Rail to Tractor The frame 4 Toolbox amp Mia rail Item 1 Figure 1 will be slid under the tractor Step ud on the RH side See Figure 5 Make certain the ing bracket P 2 plastic plugs have been removed from tractor Removed frame two at the front bolster and two mid frame Do NOT tighten the frame mounting bolts until all the bolts have been installed as frame will need to be moved slightly for alignment as the bolts are installed The frame can be installed by bal ancing the frame on a floor jack if using this method it is recommended two people perform this to prevent the frame from falling Raise the frame up to the tractor frame See Figure 5 5 Raise the frame rail up under the tractor until the rear mounting plate is under the rear axle and aligned with the two factory cab mounti
63. p TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 8 13 Switchblade 06 05 INDUSTRIAL Switch Blade NH TN60D TN60A TN70D TN70DA 750 4 TN75DA D DA Series Asy Man 06 05 2005 Alamo Group Inc Manual P N 02982890 Printed U S A
64. r Pressure Cylinder Valve Pressure Hose a Pump Suction Motor Pressure Hose From Pump Pump Suction From Tank Switchblade NH TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 5 10 Fill Hydraulic Tank Fill Hydraulic Tank with Oil 1 DO NOT START TRACTOR until you have filled Hydraulic Oil Tank to a level as shown in Sight Glass gauge and fill the Suction Hose to Pump with Oil 2 Remove Filler Cap Remove Filler cap only when ready to fill hydraulic Tank with Oil Do Not leave the Cap off and the system Open always keep system closed when possible Avoid any oil contamination See Figure 31 3 Avoid Hydraulic Contamination by filtering the Hydraulic Oil while filling the Hydraulic Tank Filter bug gies or carts are commercially available for Hydraulic system cleanup and Oil transfer These consist of high capacity filter a Circulating Pump a Drive Motor and hoses for connecting to the units hydraulic system When adding Oil always use Clean new Oil from a sealed container lf you suspect the Oil of being contaminated don t use it See Figure 32 amp 33 It is best to always use a filter system when adding even new oil 4 When adding Oil in the field keeping it clean is critical do not use dirty funnels or hoses Do Not open Hydraulic tank or any containers unless the openings have been cleaned first The outsi
65. r crane is used be sure not to exceed the rated capacity of the crane Always follow all OSHA crane operating and inspection rules regulations inspection requirements and recommended practices when using the crane 69 Never work under any component that is lifted by the crane unless it is also supported by appropriate stands that are capable of supporting the component Switchblade NH TN60D TN TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 2 4 General Information Installation Requirements WARNING Wear personal protective equipment when assembling the mower As a minimum that should include Safety Glasses Safety Shoes Gloves Hard Hat Hearing Protection Welding Helmet WARNING Before attempting to assemble ensure that the tractor engine is off and the tractor transmission is in the park position with the parking brake engaged Remove the engine key and keep it in your pocket to prevent inadvertent starting or movement of the tractor C Place wheelblocks in front and behind the tractor wheels to preventthe tractor from moving Never attempt to start the tractor unless properly seated in the tractor seat with the seat belt fastened around you Never attempt to operate the tractor and mower controls unless seated in the tractor seat with the seat belt fastened around you WARNING Securely block up and support the tractor before attemp
66. r plate to make a shear cut This means the guards ledger plate wear plates clip and knife head caps must be in good condition and correctly set If these parts become loose or worn the knife will flop around in the cutter bar chewing and tearing instead of cutting Slotted Holes Guard Adjustment Ts 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 will stand up in rocky conditions Continued Next Page Switchblade NH TN60D TN TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 9 2005 Alamo Group Inc Section 7 2 CUTTER 5 Note Guards are cast from alloy steel If they are 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 the bar to about 45 Make certain the knife is at the full retracted position of the 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 upper side of the rock guard will 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 s
67. rsonnel from the area Do not allow children near the assembly site nor allow them on or near the tractor after assembly There is no safe place for anyone except the operator on the tractor and those assisting with the assembly To help you assemble your new Machete Boom and mount it to your tractor a detailed assembly instruction Manual is being provided with the mount kit to provide detailed instructions and part numbers Please consult this document for specific information When needed you can get additional information or clarification from Your Dealer or Alamo Group Customer Service This publication provides general information not specifically for your case or tractor but in connection with the drawings this publication offers you some valuable assistance please read it thoroughly These mount kits are made for selected tractors with standard configurations Only the noted options and tire sizes listed in the Mounting Specifications will work with these mount kits Other options front axles or different tire sizes may prevent the mount kit from fitting your nonstandard tractor Alamo Group cannot take responsibility for these problems or any modifications made to the unit Throughout these instructions references are made to right or left directions Right and left are determined by sitting on the tractor seat and facing the direction of travel forward always these instructions be alert to the potential for personal injury
68. s after they are inserted 4 Install Control valve for Cab Model The con trol valve for the cab model bolts onto the hyd tank mount weldmnet where it bolts tothe frame rail See Figure 10 Insert the cables down through the hole in the floor See Figure 11 that will hace screw down cover over it Make certain to run the cables through this cover before connecting them at the ends as once the cables are connected they cannot be run through the boot 2 Two Threaded Holes under upolstery panel P N 02981115 Control Stand Weldment Ne P N 02981115 Control Stand Weldment Use on Cab Remote Cable Control Models Two cut Holes in uphol stery panel to match threaded holes see Figure 39 Switchblade NH TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 5 3 Control Valve amp Valve Controls Installation F Figure 11 Y Yellow White Wire can be connect ed to the outer terminals Valve Stand will vary one color wire to each outer with tractor model terminal 3 5 Red Wire must to center terminal Item 11 may be placed at any location along the handle stack It may also be turned over and placed at any location along the handle stack Brown Wires on Back Terminals Red Wires on front Terminals Length of Cables will vary depending on tractor model used See Length of cables listed to
69. s items below For New Holland TL80A 90A 100A Cab 2 amp 4wd Two Kits required for Tracotr ltem Part No Qty Description 1 02989821 1 KNIFE BRACKET WELDMENT 2 048710D 1 Pin 3 0114600 1 Hair Pin Above items are included in Knife Bracket Kit Option P N 0487100 two kits required per tractor when ordering this option Pump Guard Kit Option P N 02987682 Includes items below For New Holland TL80A 90A 100A Cab 2 amp 4wd Item Part No Gty Description 1 02971158 4 LOCKWASHER 20MM 2 02975692 4 BOLT HEX HEAD M20 P2 5 X 50MM PL GR10 9 3 02977672 1 PUMP GUARD WELDMENT TN 55 65 70 4 02977697 1 DRAWING INSTRUCTION PUMP GUARD NH TN 5 02971943 1 DECAL ALAMO INDDUSTRIAL YELLOW Above items are included in Bumper Guard Kit P N 02987692 Switchblade NH TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 8 6 Mount Kit Component Identification A P N 0665400 P N 02975125 oub Frame Weldment Axle Mount Strap only to show detail of mount plate welded to frame rail this frame rail will be shipped as a welded assembly as shown below P N 02980079 Frame Weldment Switchblade NH TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 8 7 P N 02975110 Crankshaft Pulley Adapter 02974296 Switch Mount Weldment Use on Cab Remote Cable Control Models ES Three 13 32 holes Three 7 8 holes 7
70. sembly instructions See Figure 10 thru 21 Rubber 3 8 Bolts Pad 3 8 Lockwashers Back Pivot Plate e Rotor Actuator T T Retaining Pin a Shoe Weldment Rotor Actuator Mounting Bolts Figure 21 Drive Stud Bearing Asy Nylon Bearing Clamp Clamp Bolt Knife Backing Strip lt Switchblade NH TN60D TN TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 7 10 CARRIAGE ARM ASSEMBLY REPLACEMENT Carriage Arm Assembly Replace ment The carriage arm replacement will require Carriage Am the Back Pivot Plate to be unbolted with the skid Assembly shoe break a way assembly to be removed with Back Pivot but not disassembled The skid shoe break a way assembly can be removed by unbolt ing the back pivot plate from the carriage arm See Figure 17 thru 25 The hydraulic hoses to the motor will not have to be disconnected but the hose brackets may have to be disconnected to allow the assembly to be moved outward far enough to clear TE nner Shoe carriage arm assembly If the complete cutterbar Figure 24 Wledment break a way assembly needs to be moved it is sometimes easier and cleaner to unbolt the motor and the complete assembly can be removed an the motor can be moved out of the way with the hoses Back Pivot attached to it DO NOT pull assembly with the Plate hoses attached and damage them To remove the carriage arm
71. strial 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 that willbe useful This information is vital for the development of a prompt and correct solution to the problem This will also help to develop a database of 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 including the results of any required trouble shooting techniques If the information is not available The technician may be asked to get the information and call back Most recommendations for repairs will be based on the procedures listed in the Service Manual Trouble Shooting Guide and Information provided by customer CONTACT ALAMO INDUSTRIAL Alamo Industrial 1502 Walnut St Seguin TX 78155 Technical Service Dept PH 830 379 1480 Switchblade NH TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Index 1 INDEX ASSEMBLY INSTRUCTION Page Introduction MANU Uc WOR lll u agan Index 1 Section 1 Model Specifications DO NOT DO LIST IMPORTANT 1 2 SOS CI ler ilo a RR aa aa a usa 1 3 to 1 4 Using Torque Wrench with Adapters Formula
72. tart it when the job is finished all tools 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 ce coe o close contact with a guard ledger Ifthe section tothe right RESUTN 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 GUARD BOLT Figure 5 the high guard should be knocked down until all three contact The higher up 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 in the thick part justin front of the ledger plates see Figure 6 Do not pound down the guard lips as the knife might bind RIGHT Retighten the bolts as each guard is aligned Disregard the position of the guard points It is the ledger plate which must be kept in line Blunt points should be filed sharp D Start from the inner shoe adjust each guard so that the knife section and ledger are parallel and reasonably close to each other Find the high guard and knock them down Usually the only time it is necessary to knock a guard up is when new guards are first installed on the bar 6 Make certain that the first knife section is contacting the inner shoe ledger plate If it doesn t contact check the first or second guard which may be holding the knife up or the inner shoe ledger plate may be worn out 7 Finally
73. ter bar take notice of the four tube spacers under the drive assembly there are two different length of the spacers The short ones go to the rear and the long ones go to the front Once 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 There will be two more bolts connecting cutter bar to break a way assembly once these nuts are removed the cutter bar should lift up over the bolts if they were left in There will be a square plate 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 it is recommended that you wear gloves to protect your hands The Knife Bar will slide out at the drive end if it will not slide out then something is wrong Check the rock guards clips and other components to see where it is to tight The easiest way if any of these make it to tight is to unbolt them and remove them for now The new or repaired knife bar will install the same way it will slide in from the drive end under clips and between rock guards DO NOT use hammer or force to install knife bar if it will not slide in find out why because if the bar is forced in it will be damaged or other component will be damages The Knife bar and cutter bar can not operate fitting tightly together they will bind causing damage When reinstalling cutter bar reverse the disassembly procedures Make certain the nylon bearin
74. the lift and tilt cylinder will need to be disconnected the hoses will not require disconnecting the cylinders can be set aside with the hoses connected Remove the roll pins from the carriage pin The carriage arm is B pinned to the back pivot plate and the tractor main frame The mounting frame to attach to the tractor Pin Carriage Arm will vary from tractor model but the way the Figure 25 Assembly riage arm is pinned to will not Drive the carriage pins out and carriage arm will lift out See Figure 24 25 amp 26 To reassemble the carriage arm reverse the disassembly instruction insert carriage arm insert carriage arm pins install roll pin into carriage arm pin Install the lift andtilt cylinders make certain hoses connecting to the cylinders is not twisted or routed wrong asthey could be damaged Attach the 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 slotted on a curve Flatwashers will have to be used on these two lower bolts See Figure 25 The pitch ofthe cutter bar will have to be readjusted see e pitch adjustment instructions in earlier pages See Gv 4 Rear View Front View N Figure 4 amp 26 Figure 26 Switchblade NH TN60D TN TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 7 11 KNIFE DRIVE REPAIR
75. ting to loosen and move the tires Failure to properly block up the tractor can result in the tractor to suddenly move or fall crushing you or another worker D Never work under any raised component or any component that is not securely blocked up or supported WARNING Many components of this mower are very heavy and must be handled by proper material handling equipment Do not lift components that weight over 50lbs by yourself Use an overhead crane forklift or other coworkers lift heavy items Ensure lifted components are securely supported Never walk or work under a lifted component Use extreme care when moving handling or adjusting the tractor tires The tires are extremely heavy and could fall and crush you gt gt gt O C Use an overhead crane or forklift to move the tires C Properly fasten the tires to the material handling equipment to prevent the tire from falling WARNING _ The hydraulic oil is under high pressure and a hydrauli leak can cause oil to be injected under the skin e Before starting the tractor ensure all hydraulic connections have bee tightened Never check leaks with your hands Use a piece of wood or cardboard to check for the leak making sure your hands and face are kept away from the leak area Repair any leaks before operating the equipments Clean up all oil that has leaked according to the requirements of the oil supplier Oil residue on the gro
76. ts to be removed in order to replace the weldment Removal or disconnection of hydraulic line will not be required DO NOT Start tractor after this repair has began secure tractor from starting and set parking brake on tractor 1 Inner Skid Shoe Plate will 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 cutter bar assembly replacement on previous pages See Figure 10 3 Cutter Bar Assembly will need to be removed See cutter bar assembly replacement See Figure 10 4 The Rotor Actuator is a hydraulic operated break a way unit Before starting repair put a drain pan under rotor actuator The hoses atthe actuator should be loosen slowly but NOT Removed to relieve pressure in lines and actuator Make certain that it is the hose at the actuator and not the control or the relief valve block After the pressure if any has been relieved the hoses can be retightened This is important DO NOT try to unbolt Actuator Pin or any other frame component until the hoses have had the pressure relieved See Figure 19 20 amp 21 5 The Skid Shoe weldment can be removed with the Rotor Actuator attached to skid shoe weldment and then removed or itcan be left bolted to Back Pivot E Figure 19 19 Plate The rotor actuator is not AS 24 Drive Assembly part of the skid shoe weldment Long Tube remove the actuator from S
77. ud bearing Slowly tighten the clamp bolt checking this up and down movement When you have tighten the clamp bolt and all the up and down movement between the knife head weldment Nylon Bearing is removed the clamp bolt will be tight enough Do not over tight clamp bolt as damage to the knife drive stud bearing can be damaged The Knife head weldment clamp has to be in the right position up and down on the knife drive stud bearing so the cutter bar in center for height to match the cutter bar 19 Install the Motor onto the hub adapter by aligning the Key on the motor shaft with the key slot u Knife Drive in the adapter hub Install and tighten the two 1 2 gt NC X 1 1 4 GR 5 bolts 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 need to consult the hydraulic schematic See Figure 1 showing the hose routing for the motor 14 Recheck all the installation to make certain that the bolts have all been installed and are tight ened to the required torque Make certain all guards and shield have been reinstalled before starting tractor or mower Motor Switchblade NH TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 7 13 Switchblade NH TN60D TN TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 7 14 Section 8 SWITCHBLADE New
78. umbers Listed Item numbers and Descriptions This is because most parts shown as breakdown in drawings are for location amp identification and if available as replacement parts will be listed in the Parts Operators Manual which are to be used with this assembly manual BEFORE STARTING ASSEMBLY READ THIS 1 Clean surrounding area completely before uncapping any connections or Lines NO DIRT OR DEBRIS CAN BE ALLOWED ON OR NEAR HYDRAULIC SYSTEM IF IT IS BEING WORKED ON ANY DIRTOR CONTAMINANTS IN SYSTEM MATTER HOW SMALL WILL DAMAGE SYSTEM 2 _ After cleaning around all connections thoroughly Do not disconnect any connections Lines Hoses on the Pump Valve or Tank Plug all hoses and Lines on Tractor and on Pump DO NOT leave any open Lines NO Contamination Should be allowed into system at all 3 CleanArea Clean all Tools Pans etc The cleaning of Area and Tools MUST be done before moving Cleaned unit there for assembly 4 lf parts need cleaning use compressed Air to dry parts after washing Compressed air must be filtered and moisture free DO NOT wipe them dry with Paper Towels or Cloth as these will 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 5 Always use new Seals when assembling Hydraulic system Lubricate the new rubber Seals with a Petroleum Jelly Vaseline before installing them 6 Torque all Bolts o
79. und can result in unjury from slipping or falling Switchblade NH TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 2 5 General Information Installation Requirements Lay Out Components in Display Example It is helpful to lay out the component in as neat a display as possible Lay out the Bolts according to size and length Lay out the Nuts and washer by size This will allow you to see how many of each part as you use them and help to identify any missing parts See Mount Kit Specification and Component Identification Section to help ID Components All the component that are received should be check and sorted as to what they are Shown below is a general example of the components laid out this may not be a lay of the components in this mount kit shown below but a generic display of components WARNING DO NOT WELD On This Unit During or After Installation DO NOT WELD any components or items on this unit after the installation has begun The use of electronic modules and components that could be damaged by welding Before doing any welding check the Tractors Operation Repair Service or any other manual from the tractor manufacturer to find any special electronic or spe cial proedures about the tractor electronics Taking a few minutes to check could save you from doing major damage to the electronics Switchblade NH TN60D TN TN70D TN70DA TN75D amp T
80. uts See item 3 4 amp 5 Figure 1 Tighten these four bolts now Frame Rail Sub Frame Mount Weldment Frame Rail Weldment Switchblade NH TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 4 4 Frame Installation 9 Replacement Mirror Option The op tional mirror kit will replace the factory outside mir rors with larger dome mirrors an brackets that move the mirror for clearance of mower compo nents The ROPS model mirror kit will only work with the aluminum canopy option offered as op tional by Alamo Industrial See Component Identi fication section for details See Figure 9 Below LH side is show but there will be bracket and a mirror for the RH side also 10 Install Hydraulic Tank Assembly The draulic tank assembly will mount on the RH side of the tractor to the tank mount bracke The tank faces to the front of the tractor See Figure 10 11 Install Operators Manual cannister The Operators Cannister bolts to the RH side of the hydraulic tank See Figure 11 The cannister should include the operators manual The Opera tors cannister should be bolted to the hydraulic tank as part of the tank assembly when shipped 12 Install Cutter Bar Break A Way Relief The cutter bar hydraulic break a way relief valve will p mount to the tank facing the front of the tractor on the RH side of the tractor
81. ver 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 TOOLS THAT MAY BE NEEDED The tools you will need at the assembly site are as follows Impact wrench or socket and ratchet set Rubber mallet Box end Allen and adjustable wrenches Alignment pins Forklift or hydraulic floor jacks with rolling back boards omall chain hoist or block and tackle Multidirectional Levels Hydraulic Filter Buggy or Cart oafety shoes safety glasses and gloves A hard hat should be worn by anyone working under any raised component Ios RECOMMENDED GAUGES FOR DIAGNOSTICS 1 Inlet Vacuum 30 PSI to 30 in Mercury 207 bar to 0 bar 2 System Pressure Gauge 6 000 PSI 700 bar 3 Charge Pressure Gauge 0 to 500 PSI to 25 bar owitchblade NH TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 9 2005 Alamo Group Inc Section 2 2 General Information Installation Requirements a l U l l l l SE GENERAL INFORMATION Remember to follow each step closely and cautiously Be aware of all support personnel at all times Keep the assembly area as clean as possible clean up all spills when they occur An uncluttered assembly area and a crew that is sensitive to the hazards involved in putting this implement together will help prevent accidents Keep all unauthorized pe
82. washer P N Flange P N 02974359 5 8 Bore w 9 Spline included in P N 02975188 Asy Pump Mount P N 02976283 Pump Drive Schematic This Section covers the installation of Pump Drive Components Pump Assembly Some precautions that must be followed during the Assembly Process before unit is ever started for the first time Switchblade NH TN60D TN TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 9 2005 Alamo Group Inc Section 8 10 Mount Kit Component Identification N AN 4 Skid Shoe 4 Actuator Pre Asy Motor Cover okid Shoe amp Breakaway Weldment p Pre Asy w Cutterbar c Sight Temperature Gauge Carriage Arm Asy yd p lt I Canister Asy PS _ di i m Tank Asy owitchblade NH TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 2005 Alamo Group Inc Section 8 11 Mount Kit Component Identification Hydraulic Schematic RH Wing Only Curb Lift Cylinder Tilt Cylinder Fee To Base End Control Valve to of Bar Liit Cylinder Rod End of Curb Lift Cylinder Cylinder Control Control Valve to Base End of Curb Break A Way Lift Cylinder EM Valve w l lt Return From Valve 0 to Filter Tee Pressure From Pump Io Break A Way Valve Tp ET ji Pressure From _ Break A Way Valve Actuator Relief Pressure to Motor MI Port Tank Return Port Io Solenoid
83. witch that is positive only when ignition key is in ON Posi tion If connected to direct power supply and push pull switch is left on when 4 Terminal Plug tractor is stopped and parked it will run down the tractor battery for Push Pull Switch Push Pull Switch Wire Harness plug will only fit one way on push pull switch to prevent it being connected wrong This Wire Harness Used for RH Wing Switchblade NH TN60D TN TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 9 2005 Alamo Group Inc Section 6 2 MOTOR PUMP ELECTRICAL CIRCUIT Electrical Circuit RH Wing Mower 1 Battery Cables Must be disconnected During the electrical connection process the Battery cables must be disconnected 2 Tractor Factory Wire Identified It will be neces sary to consult the Tractor manufactures manual to identify the tractor wiring color codes or you will need to trace the wires to see where they connect This will be the installers responsibility Alamo Industrial will not identify any tractor wire colors because of possible change by tractor manufacturer NOTE The power Voltage Supply for the wire harness must be connected to a source that is disconnected when tracor key switch is in the OFF position This is to prevent the battery from being drained if the switch for mower are left on when tractor is not on Shut Down 3 Wire Harness The wire harness is a pre as sembled wire loom See Figure 1 some of
84. y DO NOT remove the screws that fasten the two housings halves together See Figure 14 2 Next holding the housing fully shift the Handle in the Control Stick Assembly to expose the female threaded end of the Plunger Rod See Figure 15 3 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 See Figure 16 4 Once Cable is attached to Plunger Rod move the handle to pull conduit sleeve up and into the control stick assembly See Figure 17 The Conduit Sleeve has a groove in it that should align with the cross screw See Figure 17 5 Reinstall the Cross Screw making certain that the cross screw and conduit sleeve groove are in alignment Tighten the cross screw securely See Figure 18 Threaded Bead Figure 16 Control Stick Assembl Figure 14 m Female Threaded Plunger Rod Figure 17 Conduit Sleeve Switchblade NH TN60D TN 60DA TN70D TN70DA TN75D amp TN75DA Asy Man 06 05 Section 5 6 Control Valve amp Valve Controls Installation 6 There are three holes in the handle assembly that are used to stack the handles on the control handle mount Install the bolts through the first handle then the second handle and then through the switch mount plate Next th

Switchblade/NH TN-60,70,75,(D & DA) (02982890)

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Switchblade/NH TN-60,70,75,(D &amp; DA) (02982890)

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Switchblade/NH TN-60,70,75,(D & DA) (02982890)