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Bolens 1160 User's Manual

1. 2521 Sey N 255 4 XX ZX 55555 6046 EE X HIGH PRESSURE RESERVOIR PISTON LOW PRESSURE C AUX PRESSURE EREEREER DRIVE TRAIN Continued SERIES TRACTOR age 3 3 Rev 11 HYDROSTATIC REMOVAL NOTE SEE TRANSAXLE REMOVAL page 3 6 before removing hydro Some models may require removing transaxle before hydrostatic removal HYDROSTATIC REMOVAL Fig 3 2 amp 3 3 Remove tunnel seat amp fenders 2 Remove driveshaft from input shaft 3 Clean any dirt or grease from hydraulic line A fittings 4 Disconnect hydraulic lines A from hydro Have oil pan to catch excess oil Remove nut and washer on control shaft and slide control arm assembly B off shaft NOTE A puller have to be used when removing the control Carefully remove hydro from from output shaft To arm transaxle disassemble hold spacer E in E place when loosening bolt F 6 Remove the four 4 mounting 7 If replacing complete hydro Position shims amp bevel gear onto cap screws C securing the remove bevel gear D amp shims new hydrostatic and fasten hydostatic to the transaxle Torque bolt with spacer to 24 ft Ibs 23 5 N m HYDROSTATIC REPAIR
2. 6 3 HYDRAULIC POWER 6 3 TRANSMISSION FILTERS 6 5 GROUP Vil ENGINE TROUBLESHOOTING GUIDE 7 1 ENGINE REMOVAL 1058 1060 1160 7 3 ENGINE REMOVAL TECUMSEH MODELS 7 4 ENGINE REMOVAL 1467 1659 1662 1667 1888 76681 cindres ER FX IRA a kay 7 6 ENGINE REMOVAL VANGUARD 1468 1669 1669 ded etu 7 8 GROUP VIII TRACTOR ATTACHMENTS MOWERS Ls sss asqa Ek a ee RE ER 8 1 SNOWTHROWER SINGLE STAGE 8 5 SNOWTHROWER 8 7 MELER NES Ar uar RR e Ae qa 8 9 POWERPACKER PLUS 8 11 MEDIUM FRAME SERIES TRACTOR Page 1 1 Rev 4 90 GROUP 1 GENERAL SERIAL NUMBER INFORMATION The tractor Model Serial number plate is located on the top of the rear fender under the seat BRIGGS Twin Cylinder ENGINE MODEL SERIAL AND SPEC NUMBERS Briggs amp Stratton ENGINE MODEL SERIAL VANGUARD AND SPEC NUMBERS a b MEDIUM FRAME SERIES TRACTOR GENERAL Continued Page 1 2 Rev 4 90 Manufacturer BRIGGS amp 22 22524454 er ram ELI rr ep LE 1 8 253417 013101 Models 1058 1060 amp 1160 400437 012201 Model 1467 S N 0100101 thru 0199999 400437 120501
3. Model 1467 S N 0200101 and later 290447 0108 eeu Model 1468 402437 066601 Models 1659 amp 1662 402437 066601 Models 1667 8 1668 S N 0100101 0299999 402437 070001 Models 1667 amp 1668 S N 0300101 0499999 402437 120501 Model 1668 1668L S N 0500101 and later 9034470183 ker ree E Rx Model 1669 1669L Type ec apapakuq E rae Pee ree a uy s Model 253417 Hor shaft air cooled 1 cyl 4 cycle Model 402437 Hor shaft air cooled 2 cyl 4 cycle Model 400437 Hor shaft air cooled 2 cyl 4 cycle Model 290447 Hor shaft air cooled 2 cyl 4 cycle Model 303447 Hor shaft air cooled 2 cyl 4 cycle Bore and Stroke in mm 11 Tac ET opie aie een 3 438 87 4 x 2 625 66 5 14 amp 16 Models 3 437 87 31 x 2 156 54 77 Piston Displacement cu in cm 24 36 399 5 ARCU S Ed AEE 40 656 555555 2 5 55 11 HP Models eor ERE 11 HP 8 2 kW 3600 RPM 14 HP Models 16 Models 14 HP 10 4 kW 3600 RPM 16 HP 11 9 KW 2 3600 RPM Crankshaft All Models we kA e LER E 1 000 999 Dia Keyway 375 24 Tap Air Cleaner 4 iur rr tn na e e ule
4. Models 18335 amp 18336 INITIAL SET UP 18335 20 1 2 52 cm 18336 21 7 16 54 4 12 Reinstall the pins and tighten jam nuts 13 After adjustments have been made activate lift of mower Let mower drop to the ground a few times Then recheck measurements Readjust if necessary MEDIUM FRAME SERIES TRACTOR TRACTOR ATTACHMENTS Continued Page 8 2 Rev 4 88 MOWER DECKS SPINDLE REMOVAL AND DISAS SEMBLY Figure 84 amp 8 5 1 Remove belt covers 2 Remove belt from spindle 3 Remove top pulley A 4 Remove two bolts securing cutting blade 5 Remove 4 bolts B holding spindle assembly and remove spindle assembly from mower deck 6 Remove shaft assembly from spindle housing TOROUE TO SPINDLE ASSEMBLY Figure 8 4 9 90 FT LBS 1 Place bearing C on shaft assembly 122 Nm SPINDLE BREAKDOWN 1 Grease Fitting 2 Place spacer D on shaft assembly 2 HexNut 3 Drive Sheave 3 Place shaft assembly in spindle 4 Ball Bearing housing 5 Spacer 6 Washer 4 Place other bearing E on shaft 7 Shaft Assembly assembly 8 Woodruff Key 9 Cutter Blade 5 Place spindie housing assembly on 10 Plate mower deck and secure Forque four 4 11 Lock Washer bolts B to 250 in Ibs 28 Nm 12 Hex Screw 6 Assemble spindle sheave A Secure nut and torque to 90 ft Ibs 122 Nm 34 Nm 7 Assemble blade spacer an
5. FIGURE 5 15 GROUP VI HYDRAULIC SYSTEM SERIES TRACTOR Page 6 1 Rev 11 90 TROUBLE SHOOTING GUIDE PROBLEM PROBABLE CAUSE REMEDY Hydraulic lift inoperative 1 System low on fluid 1 Check level at transmission dipstick 2 Oil line leaking 2 Replace line 3 Malfunctioning lift valve 3 Replace valve 4 Malfunctioning lift cylinder 4 Repair or replace cylinder 5 Low pressure from pump 5 Repair or replace hydro charge pump 6 Water or air in system 6 Change oil and or check hydraulic connections Load drops when control 1 Leaky hose between valve 1 Replace hose valve is in neutral and cylinder position 2 Oil leaking past lift cylinder O rings 2 Repair lift cylinder 3 Lift valve leaking internally 3 Replace lift valve Lift valve or lift cylinder 1 Leaking O rings 1 Replace O rings leaking Hydraulic oil filter blowing 1 Plugged filter 1 Replace filter 2 Restriction between filter amp 2 Remove and inspect hydraulic hydro lines amp fittings MEDIUM FRAME SERIES TRACTOR HYDRAULIC SYSTEM Continued Page 6 2 Rev 11 90 PRINCIPLE OF OPERATION The hydraulic system is made up hoses The source of the fluid fluid reservoir is the of five major components These flow is a roller type charge pump transmission and final drive are the hydrostatic transmission mounted on the hydrostatic housing All flow is first routed charge pump
6. 1258 1261 1858 S N 0200101 AND LATER 1463 1663 1664 S N 0100101 AND LATER 1661 S N 0300101 AND LATER 2 STARTING CIRCUIT Ignition switch in START position brake switch depressed and attachment switch OFF STARTER SOLENOID CIRCUIT BREAKER AMMETER IGNITION SWITCH INTERLOCK SWITCH SWITCH BATTERY P NOARONS COLOR CODE Red R Y Red Yellow R W Red White R B Red Black B Black MEDIUM FRAME SERIES TRACTOR ELECTRICAL SYSTEM Continued age 2 12 Rev 4 90 CIRCUIT DIAGRAM 1258 1261 1458 1461 1463 1658 1661 1663 1664 AND 1858 S N 0100101 AND UP SEAT SWITCH CIRCUIT Attachment switch ON IGNITION SWITCH SEAT SWITCH ATTACHMENT DRIVE SWITCH SOLENOID COLOR CODE BL Blue R Y Red Yellow B Black I ATTACHMENT DRIVE CIRCUIT Ignition switch in RUN LIGHTS or RUN position and Attachment switch ON ELECTRIC CLUTCH ATTACHMENT DRIVE SWITCH 3 ATTACHMENT DRIVE LIGHT IGNITION SWITCH AMMETER CIRCUIT BREAKER SOLENOID BATTERY COLOR CODE R Red P Purple R W Red White R B Red Black B Black MEDIUM FRAME SERIES TRACTOR 2 13 Rev 4 90 ELECTRICAL SYSTEM Continued 1659 1662 S N 0100101 AND UP COLOR CODE GROUND AT Red jy ENGINE Black MOUNT White Yellow Blue Purple Red White d Red Black Red Yellow DR
7. the hydrostatic transmission is in need of repair refer to the Eaton Repair Manual This manual is available from the factory EATON HYDRO TESTING For testing procedure refer to Hydraulic Section page 6 3 MEDIUM FRAME SERIES TRACTOR DRIVE TRAIN Continued Page 3 4 Rev 11 90 HYDROSTATIC BREAKDOWN NOTE Contact Bolens for an Eaton Repair ma REFER TO THE INDIVIDUAL TRACTOR PARTS LIST FOR PART NUMBERS 1 Socket Screw 5 16 18 x 1 3 4 incl 14 Square Seal Ring 1 w Ref 4 1 15 Input Shaft Sub 1 3 Oil Seal Incl w Ref 4 1 16 Pump Rotor amp Ball Ass y 1 4 Charge Pump Kit incl Ref 1 3 5 17 Ring 1 6 7 8 10 12 y sy a Rs 1 18 Ring 1 5 Snap Ring Incl w Ref 4 1 19 Pintle Ass y incl internal Parts 1 6 Sq Seal Ring Incl w Ref 4 1 20 Motor Rotor 8 Ball Sub Ass y 41 7 Grass Shield Incl w Ref 4 1 21 Output Shaft Sub 1 8 Sq Seal Ring Incl w Ref 4 1 22 Body Ass y Incl Ref 21 24 amp 25 1 9 Cover Sub Ass y Incl w Ref 13 1 23 O Ring Plug Sub Ass y 1 10 Socket Hd Screw 5 16 18 x 1 1 4 24 Ball Bearing Output 1 Incl w Ref 4 1 25 Retaining Ring 1 12 Drive Pin Incl w Ref 4
8. 4 7 Rev 4 90 EXHAUST MANIFOLD GOVERNED IDLE SPRING CASING lI FIGURE 4 13 CONTROL Move choke control to CHOKE position The carburetor choke should be closed CHOKE CONTROL ADJUSTMENT Figure 4 13 Loosen casing clamp screw A Move choke control to CHOKE position Move casing and wire in direction of arrow until choke is completely closed Retighten casing MEDIUM FRAME SERIES TRACTOR Page 4 8 Rev 4 90 THROTTLE CONTROL CHECK Figure 4 14 Move control lever on equipment to fastest speed position Swivel on control bracket should be against stop B THROTTLE CONTROL ADJUSTMENT Figure 4 14 Loosen casing clamp screw A Move casing and wire in direction shown by arrow until swivel contacts stop B Retighten casing clamp screw A FUEL SYSTEM Continued SERVICING ADJUSTABLE GOVERNOR CONTROL The manufacturer of the equipment on which this engine is installed set the speed at which it operates If adjustment is required consult any Briggs amp Stratton Authorized Service Center EXHAUST MANIFOLD FIGURE 4 14 TECUMSEH CARBURETOR ADJUSTMENT Turn the IDLE fuel adjusting screw Figure 4 15 all the way in until it bottoms lightly do not force it closed as this will damage the needle valve For preliminary Setting turn IDLE fuel screw out counterclockwise 1 1 2 turns
9. 2 With the steering wheel emblem right side up position steering gear H in steering casting 3 With the steering arm pointed about 10 to the rear See Figures 5 1 and 5 3 slide it through the steering casting and reinstall the shims removed earlier and steering gear H Figures 5 3 4 If for some reason the two gears do not have maximum engagement shim at point I and secure with retaining ring D Figure 5 2 5 Turn steering wheel to check for binding PNEUMATIC TIRES Keep both front and rear tires inflated evenly Under no circumstances should tire inflation be less than 8 pounds 55 kPa no more than 12 pounds 82 kPa Check air pressure with a low pressure gauge Operating with incorrect pressures may damage tires CLUTCH ADJUSTMENT Gear Driven Models Only The clutch generally should not require any adjustment If for any reason the clutch is not disengaging or engaging correctly adjust as follows CHASSIS Continued TIEN ED FIGURE 5 3 Early Models When foot pedal has fully returned to its upper position screw on lock nut A Figure 5 4 until there is a gap of 1 8 inch 3 mm between spring B and lock nut A Later Models When foot pedal has fully returned to its upper position screw on lock nut A Figure 5 4A till there is a gap of 1 8 3 mm between pivot block B and lock nut D With the foot pedal depressed and the en
10. CONNECTOR PLUG STARTER HEADLIGHTS DIODE FUEL SOLENOID HOUR METER OPTIONAL ENGINE MAGNETO ENGINE ALTERNATOR CRUISE SWITCH CRUISE MAGNET CRUISE LIGHT CRUISE BRAKE RELAY ORIVE OFF DRIVE ON REAR VIEW OF ATTACHMENT DRIVE SWITCH GML OFF COLOR CODE Red Black W White Y Yellow BL Blue P Purple B Y Black Yellow R B Red Black R Y Red Yellow G Green POSITION NO 2 POSITION NO 3 REAR VIEW OF IGNITION SWITCH MEDIUM FRAME SERIES TRACTOR Page 2 17 Rev 4 90 ELECTRICAL SYSTEM Continued COMPLETE WIRING DIAGRAM MODEL 1468 COLOR CODE R Red P Purple B Black B Y Black Yellow W White R B Red Black Y Yellow R Y Red Yellow BL Blue G Green ENGINE INTERLOCK SWITCHES ATTACHMENT DRIVE LIGHT AMMETER IGNITION SWITCH BATTERY ATTACHMENT DRIVE CLUTCH 9 SOLENOID 10 FUSE 30 AMP 11 ATTACHMENT DRIVE SWITCH 12 CONNECTOR PLUG 13 STARTER 14 HEADLIGHTS 15 DIODE 16 FUEL SOLENOID 17 HOUR METER OPTIONAL 18 ENGINE MAGNETO 19 ENGINE ALTERNATOR ENGINE ORIVE OFF DRIVE REAR VIEW OF ATTACHMENT DRIVE SWITCH REAR VIEW OF IGNITION SWITCH MEDIUM FRAME SERIES TRACTOR Page 2 18 Rev 4 90 ELECTRICAL SYSTEM Continued CIRCUIT DIAGRAM 1467 1468 1659
11. remove bolts J Figures 7 7 amp 7 8 from the engine supports 11 Lift engine straight up till starter wire K Figure 7 5 can be removed 12 Slide hub H of drive shaft off when removing engine ENGINE Continued REINSTALLATION 1 Set engine on R H rubber mount in rear Lift engine and install red starter wire K Insert hub H Figure 7 6 of drive shaft into pilot hole in flywheel Line up Scribed line on front and rear engine supports with frame insert two bolts I through each support Secure mounts in place holding with a gap of 1 2 13 mm between the bottom surface of the engine support and inside surface of the frame NOTE Hear R H mount has a pyramid washer L Figure 7 7 between mount and nut This dimension should be held at the front and rear of the engine support See Figure 7 5 2 Secure black negative battery wire A Figure 7 7 to R H rear engine mount Place star washer on first and then the negative wire Secure with nut 3 Bring engine wire harness through the heat shield and connect to head light harness and eleciric clutch RH REAR MOUNT 4 Connect engine plug E Figure 7 5 to harness 5 Position drive shaft hub H over mounting holes of flywheel and secure with existing screws Make sure that there is a flat washer between the hub and flywheel Tighten both bolts the same so hub does not cock 6 Install fuel tank and bracket
12. All torque values are for capscrews that have been lubricated with engine oil or grease Multiply standard assembly torque by the following factors A 1 25 when threads are dry B 0 85 when parts are plated C 0 75 when parts are parkerized D 0 70 when parts are coated with Molykote E 0 65 for jam nuts 12 2 13 6 24 4 27 1 47 4 47 4 74 5 81 3 108 4 122 0 149 1 176 2 230 4 243 9 379 4 433 6 623 3 677 5 921 4 1002 7 1 2 1 4 27 4 8 4 8 7 6 8 3 11 0 12 4 15 2 18 0 23 5 24 9 38 7 44 3 63 7 69 2 94 2 102 5 MEDIUM FRAME SERIES TRACTOR Page 2 1 5 78 GROUP Il ELECTRICAL SYSTEM TROUBLE SHOOTING GUIDE PROBLEM PROBABLE CAUSE REMEDY Starter Motor does not energize and solenoid does not click Attachment drive engaged 1 Disengage PTO 2 Brake pedal not depressed 2 Depress brake pedal A 3 Corroded or loose electrical solenoid 73 Clean and tighten Red White connections wire at solenoid 4 Inoperative switches Attachment 4 Check and replace if neces drive brake and key switch sary Refer to switch test ing 5 Inoperative solenoid 5 Check and replace if neces sary Refer to solenoid testing 6 Defective key switch 6 Check and replace if neces sary Refer to ignition switch test Starter Motor doesnot 1 Discharged battery 1 Charge battery energize but solenoid clicks 2 Corroded or loose electrical
13. D 7 Connect fuel line to fuel filter and open fuel petcock 8 Pull choke and throttie cable through heat shield and connect to proper locations MEDIUM FRAME SERIES TRACTOR Page 7 7 Rev 4 90 NORMAL MOUNT ENGINE SUPPORT When the hub is in place on the gear drive models the two couplings should be flat not pushed in If not reposition the engine 9 Attach hood and side panels 10 Connect negative battery cable MEDIUM FRAME SERIES TRACTOR Page 7 8 Rev 4 90 REMOVAL Figures 7 5 7 6 amp 7 7 1 Disconnect the black ground cable and red positive cable at battery A 2 Disconnect headlight harness at connector C 3 Remove hood by removing hinge rod 4 Disconnect purple electric clutch wire D 5 Disconnect red wire E to regulator and red black wire F to engine 6 Disconnect blue ignition wire G from tab terminal at engine NOTE Be careful to prevent the tab from breaking 7 Remove black ground wire H from engine blower housing Cut wire ties where necessary 8 Disconnect red positive cable 1 at starter and black ground cable J at rear R H engine Pull all wires thru heat shield 9 Disconnect throttle cable K and choke cable L at the engine and pull wires thru heat shield NOTE Choke wire must be connected to the same hole when reinstalling 10 Unhook fuel tank strap and raise fuel tank to provide access to sh
14. For final adjustments start engine and allow it to warm up then operate at full throttle and under load if possible If engine runs rough turn IDLE fuel screw either direction in 1 8th turn increments until engine runs smooth Allow engine to run a couple of seconds between each setting before adjusting again Rough idle is often due to the idle speed being set too low check this also NEVER TAMPER WITH ENGINE GOVERNOR WHICH iS FACTORY SET FOR PROPER ENGINE SPEED OVER SPEEDING ENGINE ABOVE FACTORY HIGH SPEED SETTING CAN BE DANGEROUS IF YOU THINK THE ENGINE GOVERNED HIGH SPEED NEEDS ADJUSTING CONTACT YOUR NEARBY AUTHORIZED TECUMSEH SERVICE OUTLET FULL CHOKE POSITION CHOKE LEVER NO CHOKE POSITION IDLE STOP SCREW IDLE ADJUST SCREW HIGH SPEED ADJUST NEEDLE FIGURE 4 15 WHO HAS THE PROPER EQUIPMENT AND EXPERIENCE TO MAKE ANY NECESSARY ADJUSTMENTS CHANGING OF ENGINE GOVERNED SPEED WILL VOID ENGINE WARRANTY GROUP V CHASSIS MEDIUM FRAME SERIES TRACTOR Page 5 1 Rev 4 90 GENERAL TRACTOR ADJUSTMENTS FRONT WHEEL ALIGNMENT 1 Turn steering wheel so that front wheels are straight ahead 2 Measure distance across front of front tires center line to center line Measure distance across rear of front tires center line to center line Distance at the front of tires should be 1 8 inch to 3 8 inch 3 9 5 mm less than the rear of tires If adjus
15. INTO HOUSING STOP STAMPED ENO OF BEARING AGAINST PUNCH SHOULDER S zm LESS THAN D OUSING BORI Fig 3 17 L 22 DRIVE TRAIN Continued MEDIUM FRAME SERIES TRACTOR Page 3 13 Rev 11 90 D TRANSAXLE RE ASSEMBLY CONT D OIL SEAL INSTALLATION Be sure housing bore diameter bore depth and shaft diameter are correct and within the recommended tolerances Inspect all surfaces for scratches or nicks Provide radius or chamfer at housing bore entrance Be sure sealing lip has not been damaged Lubricate sealing lips with any light machine oil before installing Apply a light coat of any suitable sealing compound to O D of seal to provide a margin of safety against seepage through the press fit in housing bore Extreme care must be taken to avoid depositing any compound onthe sealing member Install seal with lip facing lubricant Fig 3 18 When possible chamfer end of shaft over which seal must pass otherwise use a sleeve as illustrated Press seal into housing with a smooth uniform pressure applied by a press fitting tool C If shaft is already in place use a sleeve type press fitting tool Whenever possible use an arbor press to insert seal into housing Be sure seal is riot cocked when applying pressure It is best to seat seal against a shoulder in the bore to help prevent cockin
16. RIGHT ANGLE DRIVE INSTALLATION Position drive belt around right angle drive pulley 2 e DRIVE TRAIN Continued GEAR DRIVE Slide hub of drive shaft onto gearbox input shaft Position drive in support bracket and secure bolts I and J with belt guides in place When fastening bolts provide a 1 16 1 5mm clearance between belt guide and belt when drive is in engaged position 1 16 1 5mm Fig 3 28 GROUP IV FUEL SYSTEM PROBLEM Hard starting No fuel reaches carburetor Carburetor leaks Engine starts but runs rough with low power output PROBABLE CAUSE MEDIUM FRAME SERIES TRACTOR Page 4 1 5 78 TROUBLE SHOOTING GUIDE REMEDY 1 Fuel shut off valve closed 2 Choke linkage not working properly 3 Dirt in fuel system Engine flooded 5 Carburetor out of adjustment Water in fuel system 7 Dirty air filter 8 If equipped with pulse pump pulse line leaking Empty fuel tank Fuel filter plugged Shut off valve closed Gas tank vent plugged If equipped with pulse pump pulse line leaking or off Check pulse pump 1 Loose fuel line fitting Carb float setting set too high High or low speed mixture adjustments off Incorrect float setting Dirty air filter Carburetor loose on engine block 1 Open valve 2 Check linkage and re
17. crankshaft shoulder Disconnect plug from clutch Place large washer and lockwasher on clutch mounting Remove four locknuts capscrew Remove mounting capscrew and Install capscrew into tapped hole washers from center of in center of crankshaft Prevent crankshaft clutch from rotating tighten capscrew to 23 27 ft Ibs 31 36 On Model 1458 Serial Number N m and torque 0100101 to 0199999 the engine must be removed to remove the Adjust brake as described under electric clutch On all other maintenance models the electric clutch can be removed while in the frame FIGURE 5 13 Remove sheave and brake assembly See Figure 5 14 ARMATURE Remove rotor assembly BRAKE Remove four 3 8 16 x 3 4 flange lock capscrews securing coil asssembly to crankcase Remove coil assembly from LARGE ROTOR engine WASHER HX Ni f ASSEMBLY INSTALLATION MOUNTING ats CAPSCREW Position coil assembly on engine piloting it in crankshaft seal bore LOCK p sd Secure with four 3 8 16 x 3 4 WASHER flange lock capscrews On Briggs and Stratton engines COIL the coil assembly must be ASSEMBLY centered around pilot spacer A Figure 5 13 Center by feel When mounting the assembly a spacer must be used at all four capscrew locations i HP 010 015 Place compression springs Figure 0 25 0 38 mm 5 14 on brake mounting studs CLEARANCE AT COMPRESSION EACH OF FOU
18. All Dry type with foam precleaner element Oil Capacity pts liters AIL MOdelS uuu ker Errare Pee Ya 3 0 pints 1 4 liters Oil Capacity pts liters Models w Oil 3 5 pints 1 6 liters Fuel Capacity Models 1060 1058 1160 1659 1662 1668L 1669 amp 1669L SaaS foco dr deae 1 6 gal 6 1 liters Models 1467 1667 8 1668 3 5 gal 13 2 liters Governor Models Mechanical 3600 150 RPM Speed Control Models ise zr WEAR ER UV eise Remote cable operated Spark PIU s a siete are ir cradle wraps een saray 11 HP Champion RCJ8 or equivalent 14 amp 16 HP 18 Champion J 8 or equivalent Refer to Engine Manual for proper equivalents Spark PWG Gap EY x All Models e ES PER 030 in 076 mm MEDIUM FRAME GENERAL Continued SPECIFICATIONS ENGINE Manufacturer TECUMSEH v 120 175007 Model 1258 1261 140 160027 A B C Model 1458 1461 1463 160 170089 A B Model 1658 1661 1663 1664 OH 1
19. Bearing Shim Shim Shim Spacer Shaft Worm Cone Tapered Roller Bearing Cup Tapered Roller Bearing Stud Threaded 3 8 16 Seal Oil Seal Case Gear 1 2 3 4 5 6 7 8 9 15 16 17 18 19 20 21 22 23 24 TRACTOR ATTACHMENTS Continued Valve Pressure Relief Plug Expansion Plug 1 4 18 NPT Bearing Needle Washer Thrust Ring Retaining Ext Gear Worm Shaft Tine Retainer Pro Type H F 708 Cover Gear Case Capscrew 5 16 18 x 3 4 Washer Lock 5 16 Lube Worm Gear H D 16 oz TRACTOR ATTACHMENTS Continued MEDIUM FRAME SERIES TRACTOR Page 8 11 Rev 11 90 BLOWER REMOVAL Fig 8 20 8 21 amp 8 22 Remove wing nuts amp washers A securing guard B to blower housing Remove the guard Loosen belt adjuster by loosening jam nut amp capscrew C Remove belt from pulleys Unhook rubber latch amp remove chute assembly D Remove 4 5 16 18 nuts E from blower housing F amp support bracket G Blower housing should now be loose BLOWER DISASSEMBLY Fig 8 22 8 23 amp 8 24 Remove mounting frame H from blower housing F by removing the 5 6 18 nuts amp flange bolts E Remove pulley 1 from impeller shaft J Remove bearing flanges amp bearings K from blower housing F Remove impeller shaft J by driving through either side of blo
20. Nut HYDRAULIC CYLINDER BREAKDOWN FIGURE 6 4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 FIGURE 6 4 HYDRAULIC SYSTEM Continued MEDIUM FRAME SERIES TRACTOR Page 6 6 Rev 11 90 TRANSMISSION FILTERS After the first 25 hours change the cil filter Thereafter change the filter at every oil change MODEL 1458 S N 0100101 THRU 0199999 ONLY The in line filter is clamped to the top of the battery and fuel tank support just behind the instrument panel Battery must be removed to reach filter When replacing filter keep IN inlet stamped on filter to the left side of the tractor ALL MODELS EXCEPT 1458 01 The spin on the type filter is located under battery and fuel tank support When replacing filter apply a small amount of oil to the filter gasket Hand tighten the filter FIGURE 6 7 GROUP VII ENGINE SERIES TRACTOR Page 7 1 Rev 11 90 TROUBLE SHOOTING GUIDE PROBLEM PROBABLE CAUSE REMEDY Hard starting or loss of 1 Engine overchoked 1 Close fuel petcock and en power gage starter until engine fires Reopen fuel petcock 2 Carburetor dirty or improperly adjusted 2 Readjust or clean carbu retor 3 Faulty spark plug or improper gap 3 Adjust gap or replace plug 4 Clogged fuel line or filter 4 Check fuel line or filter 5 Loose or grounded high tension wire 5 Check and repair wire lead 6 Worn or burnt bre
21. Y Red Yellow B w Y DRIVEOFF DRIVEON REAR VIEW ATTACHMENT DRIVE SWITCH ENGINE RECTIFIER DIODE INTERLOCK SWITCHES ATTACHMENT DRIVE LIGHT AMMETER IGNITION SWITCH BATTERY ATTACHMENT DRIVE CLUTCH SOLENOID CIRCUIT BREAKER ATTACHMENT DRIVE SWITCH CONNECTOR STARTER HOUR METER OPTIONAL TAILLIGHTS OPTIONAL RUN START HEADLIGHTS OPTIONAL POSITION NO 1 POSITION NO 2 POSITION NO 3 CAPACITOR REAR VIEW OF IGNITION SWITCH LIGHT SWITCH OPTIONAL H MEDIUM FRAME SERIES TRACTOR Page 2 5 Rev 4 90 ELECTRICAL SYSTEM Continued CIRCUIT DIAGRAM 1058 1060 AND 1160 S N 0100101 AND UP START CIRCUIT Ignition switch in START position Attachment switch OFF and Brake switch depressed STARTER 2 SOLENOID ATTACHMENT DRIVE SWITCH INTERLOCK SWITCH IGNITION SWITCH AMMETER CIRCUIT BREAKER BATTERY COLOR CODE R Red R B Red Black R Y Red Yellow R W Red White B Black LIGHT CIRCUIT Light switch ON CONNECTOR DIODES LIGHT SWITCH TAILLIGHTS HEADLIGHTS COLOR CODE R Red W White B Black MEDIUM FRAME SERIES TRACTOR 2 6 Rev 4 90 ELECTRICAL SYSTEM Continued CIRCUIT DIAGRAM 1058 1060 AND 1160 S N 0100101 AND UP CHARGING CIRCUIT Ignition switch in RUN position DIODE IGNITION SWITCH AMMETER CIRCUIT BREAKER SOLENOID
22. and cup E on shaft 3 Slide on outer spacer F inner spacer G and spring H 4 Place outer spacer 1 over shaft as sembly 5 Place Bearing cup J and cone K into top of spindle housing 6 Assemble seal L into housing 7 Insert complete shaft assembly through bottom of housing 8 Secure spindle assembly to mower deck using 4 hex screws lockwashers and hex nuts Torque bolts to 250 in Ibs 28 Nm 9 Place woodruff key into shaft and slide on sheave A 10 Secure in place and torque to 90 ft Ibs 122 Nm 572 11 Insert cotter pin to hold nut in place Do not back nut off to install pin TRACTOR ATTACHMENTS Continued MOWER DECKS SPINDLE BREAKDOWN 1 Hex Nut Special 2 Sheave Spindle Housing Grease Fitting Seal Bearing Cone Bearing Cup Retaining Ring Outer Spacer Inner Spacer Spring Blade Hex Screw Roll Pin Lock Washer Hex Nut Woodruff Key Cotter Pin 12 Replace blade M and secure using existing hex nuts lockwashers and nuts BELT DIAGRAM Torque to 25 ft Ibs 34 Nm LUBRICATION There are three grease fittings on the mower one on bottom of each blade spindle Lubricate these grease fittings every 25 hours of operation with muiti purpose grease and grease gun Frequently lubricate the linkage gauge rollers and other pivot points with a few drops of lubricating oil especially on mower after washing out MEDIUM FRAME TRACTOR ATTACHM
23. be on in one direction but not the other when the leads are reversed If an ohm meter is used measure the resistance then reverse the leads and remeasure A comparison of the two readings should indicate 10 1 resistance ratio should be measured TESTING IGNITION SWITCH Test the ignition switch for proper internal connections using an MODEL 1258 1261 1458 1461 1463 1467 1468 1658 1659 1662 1663 1664 1667 1668 1668L 1669 1669L AND 1858 ohm meter or continuity light Terminals should be closed only in the positions indicated in Figure 2 18 and 2 19 OFF FIGURE 2 17 MODEL 1058 1060 AND 1160 OFF ON POSITION BM s G R START POSITION FIGURE 2 18 START POSITION FIGURE 2 19 Page 2 23 Rev 4 90 GROUP III DRIVE TRAIN SERIES TRACTOR Page 3 1 Rev 11 90 TROUBLE SHOOTING GUIDE PROBLEM PROBABLE CAUSE REMEDY No forward or reverse with 1 Broken drive belt 1 Replace belt engine running 2 Drive belt off gear box or trans 2 Reinstall belt Replace belt if badly mission drive line worn Check belt guides gear models 3 Drive idler spring broken 3 Replace spring 4 Clutch not functioning 4 Check and adjust linkage properly Transmission not functioning System low on oil Plugged oil filter Control linkage binding Repair transmission Refill to proper level Replace filter Ch
24. mounted on the tractor with tines resting on the ground The oil should be to the level of this plug hole NOTE Fili gear case with 140W gear oil GEAR CASE REMOVAL Remove hood A Figure 8 17 from tiller Remove rear roll pin B e Disconnect the gear box from the front coupling 4 Remove rear roll pin B securing worm shaft C to the front coupling Disxonnect the gear box from the front frame by removing 4 hex nuts D 9 Disassemble the two tine assemblies from the gear case shafts by removing clevis pins E Page 8 10 Rev 11 90 MEDIUM FRAME SERIES TRACTOR GEAR CASE DISASSEMBLY Drain the gear case through oil fill A Figure 8 18 Disassemble worm shaft C removing oi seal F snap ring and ball bearing G Note position of shims on worm shaft Remove cover 1 Be careful not to damage needle bearing J Remove tine shaft worm gear and thrust washers Replace worn or damaged parts GEAR CASE ASSEMBLY Check all bearings and seals for damage and repair if required Assemble by reversing the above procedure Before installing oil seal F check the shaft end play If required shim at point H Fill the case with 16 oz of gear lubricant GEAR CASE REINSTALLATION Reverse the removal procedure TILLER Fig 8 18 Seal Oil Retainer Ring int Ball
25. screws on each end housing bearing D 11 Torque all screws to approximately 75 in Ibs MEDIUM FRAME SERIES TRACTOR Page 8 7 Rev 11 90 MAINTENANCE GEARBOX Check oil level every 10 hours Fill if necessary with EP 90 extreme pressure oil AUGER SHAFT Grease each shaft at fittings G every 24 hours of use DRIVE CHAIN Lubricate chain with chain saw oil every 3 hours MOVING PARTS Oil rotating parts and bearings with multi purpose oil every 24 hours of use Fig 8 14 SERIES TRACTOR TRACTOR ATTACHMENTS Continued Page 8 8 Rev 11 90 SNOWTHROWER 2 STAGE CONT D GEAR CASE BREAKDOWN Oil Seal CR 9818 Bushing 1 int dia x 1 1 4 ext dia x 1 long Bearing SKF 51105 Worm R H Rotation Washer 1 3 8 dia Bushing 7 8 int dia x 1 1 8 ext dia x 1 long Input Cap Input Shaft Breather 1 8 NPT 10 Coupling 3 8 NPT Male x 1 8 NPT Female 11 Cover R H 12 Bronze Gear 13 Washer 1 1 2 dia 14 Cover L H 15 Boit 5 16 NC x 1 1 4 Gr 5 16 Bolt 5 16 NC x 2 1 2 Gr 5 17 Key Woodruff 18 Pin 1 4 x 3 4 19 Output Shaft b GO N TRACTOR ATTACHMENTS Continued SERIES TRACTOR age 8 9 Rev 11 TILLER LUBRICATION There is a plug A in the rear of the gear case This is the oil level and fill hole Check the oil level with the unit
26. 0 CIRCUIT DIAGRAM 1467 1468 1659 1662 1667 1668 1669 1669L S N 0100101 AND UP SEAT SWITCH CIRCUIT Attachment switch ON IGNITION SWITCH SEAT SWITCH ATTACHMENT DRIVE SWITCH SOLENOID COLOR CODE BL Blue R Y Red Yellow B Black t 4 L is ELECTRIC LIFT 1 LIFT ACTUATOR 12V FROM 12V FROM 2 SWITCH KEY SWITCH KEY SWITCH TO GROUND p GROUND COLOR CODE R RED B BLACK SWITCH IN SWITCH IN UP POSITION DOWN POSITION ELECTRICAL SYSTEM Continued CIRCUIT DIAGRAMS ELECTRIC CRUISE CIRCUIT WITH RELAY IN RESET POSITION ELECTRIC CRUISE CIRCUIT WITH RELAY IN ON POSITION AFTER RESET MEDIUM FRAME SERIES TRACTOR Page 2 21 Rev 4 90 Relay Interlock Switch Switch Cruise Clutch Light Color Code B Black R Red P Purple Relay Interlock Switch Switch Cruise Clutch Light Color Code B Black R Red P Purple MEDIUM FRAME SERIES TRACTOR Page 2 22 Rev 4 90 ELECTRICAL SYSTEM Continued TESTING ELECTRICAL SYSTEM TESTING BATTERY CHECKING SPECIFIC GRAVITY To determine whether the battery is capable of meeting the requirements of the starting motor it si necessary to subject the battery to a load test The battery must be at least 75 charged for this test To determine the percentage of charge a hydrometer reading should be taken The f
27. 1 13 Oil Seal Incl w Ref 9 1 Qr E DRIVE TRAIN Continued HYDROSTATIC RE INSTALLATION INSTALLATION Fig 3 4 Clean the mounting surface of all oil grease and dirt before re installing the hydrostatic Run a bead of silicon rubber around the mounting surfaces and the insides of the bolt holes Secure with the four 4 capscrews and lockwashers C removed earlier Torquethe mounting screws to 24 ft Ibs 32 5 N m when fastening Reinstall hydraulic line A removed earlier and tighten fittings If replacing hydrostatic install a new woodruff key into the control shaft Install control shaft arm B and secure with washer and lock nut removed earlier Torque to 6 25 ft Ibs 8 5 N m NOTE WHEN INSTALLING THE TWO PIECE DRIVESHAFT ON LATER MODELS MAKE SURE THAT IT IS PROPERLY ASSEMBLED ARROWS OR MARKS ON THE TWO PARTS MUST BE ALIGNED MEDIUM FRAME SERIES TRACTOR Page 3 5 Rev 11 90 MEDIUM FRAME SERIES TRACTOR Page 3 6 Rev 11 90 m gt a 10 11 12 13 DRIVE TRAIN Continued Remove seat switch wire seat and fender assemblies Remove tunnel A Figure 3 5 If transaxle is to be worked on drain and dispose of fluid Remove seat switch wires from hydraulic tubes by cutting nylon wire ties Remove cotter pin and disassemble pivot block and brake rod B fro
28. 1662 1667 1668 1668L 1669 1669L S N 0100101 AND UP LIGHT CIRCUIT Ignition switch in RUN LIGHTS position IGNITION SWITCH AMMETER CIRCUIT BREAKER SOLENOID BATTERY HEADLIGHTS COLOR CODE W White R Red R W Red White R B Red Black B Black STARTING CIRCUIT Ignition switch in START position Brake switch depressed and Attachment switch OFF STARTER SOLENOID CIRCUIT BREAKER AMMETER IGNITION SWITCH INTERLOCK SWITCH SWITCH BATTERY O Q P Q N gt COLOR CODE R Red R Y Red Yellow R W Red White R B Red Black B Black MEDIUM FRAME SERIES TRACTOR 2 19 Rev 4 90 ELECTRICAL SYSTEM Continued CIRCUIT DIAGRAM 1467 1468 1659 1662 1667 1668 1669 1669L S N 0100101 AND UP CHARGING CIRCUIT Ignition switch in RUN LIGHTS or RUN position RECTIFIER IGNITION SWITCH AMMETER CIRCUIT BREAKER SOLENOID BATTERY COLOR CODE R Red R W Red White R B Red Black B Black ATTACHMENT DRIVE CIRCUIT ignition switch in RUN LIGHTS or RUN position and Attachment switch ELECTRIC CLUTCH 2 ATTACHMENT DRIVE SWITCH ATTACHMENT DRIVE LIGHT IGNITION SWITCH AMMETER CIRCUIT BREAKER SOLENOID BATTERY COLOR CODE R Red P Purple R W Red White R B Red Black Black MEDIUM FRAME SERIES TRACTOR ELECTRICAL SYSTEM Continued Page 2 20 Rev 4 9
29. 2 thru 16 EOM Self tapping screw Rd Hd 10 24x 1 2 Cover Gasket Cover Ring Snap Gear Miter Bearing Ball Shaft Output Housing Right Angle Drive Ring Snap Seal Shaft Input Gasket Cap amp Seal Ass y Retainer incl items 92 amp 93 Screw Hex Hd 1 4 20 x 7 8 Bearing Ball MEDIUM FRAME SERIES TRACTOR Page 3 20 Rev 11 90 TRANSAXLE RE INSTALLATION The transaxle asembly is filled at the factory with SAE EP90 transmission fluid Check transmission fluid once a year With the tractor on a flat surface remove plug on front of transmission If oil is not to plug level add at filler plug B until correct level is reached Oil capacity is 3 pts 1 4L TRANSAXLE RE INSTALLATION Fig 3 27 amp 3 28 Slowly move transaxle assembly under tractor frame Re install the four 4 mounting screws H to the frame Re install center transaxle mounting screw G Re install shifter knob Push idler F down and re install belt Tighten the two 2 belt guides to the frame When securing these belt guides provide a gap of 3 32 2mm between the guides and the belt Re connect the brake rod C and clutch rod D by installing cotter pins Remove blocks from under tractor frame Install fender and seat Re connect seat switch wires
30. 463 1661 1662 1663 1667 1467 703 Ibs 319 kgs 1688 1858 12 etie oh CR qa EXTR 785 Ibs 356 kgs Transmission rrr y RR 1060 1160 1261 1461 1463 1661 1662 1663 1467 1468 1667 2 All gear 4 speed amp reverse w transaxle amp limited slip differential Brakes Safes vicodin ee Transmission Mounted Disc Brake Transmission 1058 1258 1458 1658 1659 1664 1668 1669 1669L 1858 Model 11 Eaton hydrostatic w transaxle infinite speed range in forward amp reverse Approx Max Gear Transmission Forward 7 5 2 mph 1 1 8 4 km hr Reverse 1 2 10 mph 1 6 3 4 km hr Hydrostatic Transmission Forward 0 6 75 mph 0 10 8 km hr Reverse 0 3 50 mph 0 5 6 km hr THOS P 1058 1060 1160 1258 1261 1463 1467 1468 1663 1664 1667 1668 1668L 1669 1669L Front 16 6 50 8 Rear 23 8 50 12 1461 1458 1658 1659 1661 1662 1858 Front 16 6 50 8 Rear 23 10 50 12 PTO gt eese rx hh A oe x a Electric Clutch ei eai eee m o RURAL OCA RO NTC o GENERAL Continued MEDIUM FRAME SERIES TRACTOR Page 1 5 Rev 11 90 MAINTENANCE CHART MAINTENANCE REQUIRED Length of Operation Type of Maintenance Engine Cooling Air Screen Tecumseh Models 25 Hrs B amp S Models Brush Clean 100 Hrs Engine Air Cleaner 25 Hrs Refer to Section 4 F
31. 6 WIRING DIAGRAM 1468 2 17 TESTING ELECTRICAL SYSTEM 2 22 GROUP III DRIVE TRAIN TROUBLESHOOTING GUIDE 3 1 EATON HYDROSTATIC INTRODUCTION AND HYDROSTATIC REINSTALLATION TRANSAXLE TRANSAXLE ASS Y BREAKDOWN E TRANSAXLE DISSASSEMBLY TRANSAXLE REASSEMBLY 3 10 HYDROSTATIC TRANSAXLE ASSEMBLY m ees 3 11 HYDROSTATIC TRANSAXLE RE INSTALLATION 3 14 GEAR DRIVE INTRODUCTION 3 16 TRANSAXLE 3 17 GEAR DRIVE TRANSAXLE BREAKDOWN 3 18 TRANSAXLE RE INSTALLATION 3 20 GROUP IV FUEL SYSTEM TROUBLESHOOTING GUIDE 4 1 FUEL TANK AND VALVE FUEL FILTER AIR CLEANER GROUP V CHASSIS FRONT WHEEL ALIGNMENT 5 1 STEERING 5 1 CLUTCH ADJUSTMENT GEAR DRIVE 5 2 BRAKE ADJUSTMENT GEAR DRIVE 5 3 HYDROSTATIC TRACTOR ADJUSTMENTS 5 4 INTERLOCK SWITCH ADJUSTMENTS 5 6 MOWER DRIVE ADJUSTMENTS 5 7 ELECTRIC CLUTCH PTO ADJUSTMENTS 5 8 GROUP VI HYDRAULIC SYSTEM TROUBLESHOOTING GUIDE 6 1 PRINCIPLE OF 6 2 TESTING HYDRAULIC SYSTEM
32. 69 1669L 1458 1658 S N 0300101 AND UP 1258 1659 1664 1668 1858 S N 0100101 AND UP LATER MODELS USE HEX NUTS TO SECURE ROD C 1058 1458 1658 S N 0100101 0299999 l M Figure 5 6 HYDROSTATIC PEDAL ADJUSTMENT Figure 5 6 The Pedal was adjusted at the factory with its tip approximately 45 foward of vertical If the operator would prefer to either increase or decrease this angle for personal comfort the pedal can be adjusted as follows 1 Loosen hex nut A 2 Not required on 1458 01 Remove cotter pin B and remove pivot block from control arm 3 Turn rod C into rod end D to increase the pedal angle Turn rod out to decrease the pedal angle 4 Replace pivot block cotter pin Retighten hex nut A against rod end D HYDROSTATIC NEUTRAL ADJUSTMENT Figure 5 6 The Hydrostatic neutral is adjusted at the factory If the transmission should need CHASSIS Continued adjustment the following procedure should be used With the transmission cold and engine off check the fluid in transmission reservoir It should be to the level indicated on dipstick Start engine and release parking brake If the tractor creeps Forward or Backwards the Neutral position needs adjustment Adjust Neutral as follows 1 Securely block up rear of tractor just so the rear wheels clear the ground 2 Start the engine and release the brake 3 Loosen c
33. 7 9 thru 12 amp 24 Spring Ball Steel Fork Shifter 61 Rod Shifter 3rd amp 4th 62 Rod Ass y Shift incl items 63 9 thru 11 amp 14 64 Shifter Low 65 Axle Washer Thrust 67 Hex Hd 1 4 20 68 x 3 1 4 69 Lockwasher 1 4 Gear Ring Core Body 79 Gear Pinion 71 Shaft amp Gear Brake 72 Ring Snap 73 Shaft amp Bearing Ass y Pinion 74 incl item 26 75 Bearing 76 Gear Cluster Ass y incl item 28 Bushing Gasket Case amp Cover Gasket Shift Lever Housing Gear Shifting 3rd amp 4th 1 Gear Shifting 1st 2nd amp rev Gear Side 2 Gear ldler Gear Cluster Ass y incl item 4 5 6 Spur Gear Input Shaft Washer Thrust 9 eit Seal amp Retainer Ass y incl 10 item 45 11 Gear Output 12 Pinion Output 13 Seal Oil 1 4 Housing Axle i Cover Ass y Transaxle 15 incl items 54 55 57 59 amp 63 16 incl items 54 55 57 amp 63 Bearing Ball Bearing Needle Seal Oil Bearing Needle Shaft Reverse Idler Spacer Reverse ldler idler Reverse Spur Gear 22 Teeth Bearing Thrust Carrier Ass y Differential incl item 71 Carrier Ass y Differential incl item 71 Bushing O Ring Washer Thrust Washer Thrust Plug Pipe Thrust MODEL 3890 P91 REPLACEMENT NO 794251 MR Head Ass y L H incl items
34. 80 180002 Model 1858 pho D POIDS All Models Overhead valve air cooled 1 cyl 4 cycle Bore and Stroke OH 120 yusa en p tes 3 125 79 3 x 2 750 69 9 140 cere retin 3 312 84 1 x 2 750 69 9 OH 180 eroe 3 500 88 9 x 2 875 73 0 tacos 3 625 92 0 2 875 73 0 Piston Displacement cu in cm3 santa e a ae 21 1 345 3 UET quA a ma 23 7 388 4 180 sez uU Lea S isu nece de 27 7 453 3 OTt 1907 e a asa s e ire Pin Pes 30 0 490 9 Mfr s 420 12 8 9 kW 3600 RPM OH 140 nes ex peces 14 10 4 kW 3600 RPM aie 760 2 5 16 11 9 kW 3600 RPM 180 552 5 52 50 2 18 13 4 kW 3600 RPM Crankshaft Extension All Models 1 000 999 Dia x 2 86 Std Keyway 375 24 Tap Air IGANG wa pa a AI Models Dry Type Oil Capacity 15 bEXGWwu wes 3 0 pints 1 4 liters Fuel Capacity AllModels 1 6 gal 6 1 liters Governor Setting All Models 3600 150 RPM Mechanical Speed Control Al
35. AR 47T bolts I from differential case LLL TORQUE TO To open case from this point it REA 95 30 FT LBS may be necessary to set the differential axle assembly onto the end of the right hand axle and then tap gently down on the L H AXLE s AXLE ZAN ANZ bull gear with a soft faced 5 2 mallet The remaining internal 291 wp R parts inside the differential can NS NY zzz be disassembled if necessary f 005 020 by removing snap rings KREY MIN END PLAY 2 1 ciose attention during disassembly of these items so they can be re assembled in the proper manner Side gear may be removed from axle after removing snap ring J Check internal parts for excessive wear or damage Replace if necessary USE ONLY GENUINE BOLENS REPLACEMENT PARTS RE ASSEMBLY Re assemble any disassembled internal differential parts The two pinion gears slide on the pinion shaft and are held in position by the side gears when the carrier is assembled NOTE BOLT HEADS ON DIFFERENTIAL ASSEMBLY SHOULD BE ON THE RIGHT HAND SIDE When the internal differential parts have been re assembled put the differential case back together and replace the four 4 ferry head bolts Ij Torque to 25 to 30 ft Ibs 33 to 40 N m MEDIUM FRAME SERIES TRACTOR Page 3 10 Rev 11 90 DRIVE TRAIN Continued TRANSAXLE RE ASSEMBLY PROCEDURE 1 Check needle beari
36. BATTERY COLOR CODE R Red R W Red White R B Red Black B Black ATTACHMENT DRIVE CIRCUIT Ignition switch in HUN position and Attachment switch in ON ELECTRIC CLUTCH ATTACHMENT DRIVE LIGHT ATTACHMENT DRIVE SWITCH IGNITION SWITCH AMMETER CIRCUIT BREAKER SOLENOID BATTERY COLOR CODE P Purple R Red R B Red Black R W Red White B Black MEDIUM FRAME ELECTRICAL SYSTEM Continued SERIES TRACTOR Page 2 7 Rev 4 90 CIRCUIT DIAGRAM 1058 1060 AND 1160 S N 0100101 AND UP SEAT SWITCH CIRCUIT Attachment switch in ON IGNITION SWITCH SEAT SWITCH ATTACHMENT DRIVE SWITCH SOLENOID CONDENSOR COLOR CODE BL Blue R Y Red Yellow MEDIUM FRAME SERIES TRACTOR 2 8 Rev 4 90 ELECTRICAL SYSTEM Continued COMPLETE WIRING DIAGRAM 1258 1261 1458 1461 1658 1661 1663 1664 AND 1858 FDRIVEOFF DRIVE ON REAR VIEW OF ATTACHMENT DRIVE SWITCH ENGINE RECTIFIER INTERLOCK SWITCH ATTACHMENT DRIVE LIGHT AMMETER IGNITION SWITCH BATTERY ATTACHMENT DRIVE CLUTCH SOLENOID CIRCUIT BREAKER ATTACHMENT DRIVE SWITCH HOUR METER STARTER HEADLIGHTS TAIL LIGHTS OPTIONAL CONNECTOR SEAT SWITCH NOT USED ON 1458 S N 01 _COLOR CODE Red Black White Yellow Blue Purple Red White Red Black Red Yellow FRAME SOLENOID MTG SC
37. BP Service Manual Medium Frame Series Tractors 1058 1659 1060 1661 1160 1662 1258 1663 1261 1664 1458 1667 1461 1668 1463 1668L 1467 1669 1468 1669L 176 2324 11 90 SUPERSEDES 553267 8 Medium Frame Series Tractors 1 GENERAL ELECTRICAL SYSTEM III DRIVE TRAIN IV FUEL SYSTEM 74 V CHASSIS VI HYDRAULIC SYSTEM VII ENGINE TRACTOR ATTACHMENTS MEDIUM FRAME SERIES TRACTOR Rev 11 90 TABLE OF CONTENTS GROUP I GENERAL SERIAL NUMBER 1 1 8 1 2 MAINTENANCE CHART 1 5 LUBRICATION POINTS GEAR DRIVE 1 6 LUBRICATION CHART GEAR DRIVE 1 7 LUBRICATION POINTS HYDROSTATIC DRIVE 1 8 LUBRICATION CHART HYROSTATIC DRIVE 1 9 TORQUE VALVES HEX SCREWS 1 10 GROUP II ELECTRICAL SYSTEM TROUBLESHOOTING GUIDE WIRE COLOR CODE WIRING DIAGRAM 1058 1060 1160 WIRING DIAGRAM 1258 1261 1458 1461 1658 1661 1663 1664 1858 2 8 WIRING DIAGRAM 1659 1662 2 13 WIRING DIAGRAM 1667 1668 S N 01 03 2 14 WIRING DIAGRAM 1467 1668 1668L S N 04 05 2 15 WIRING DIAGRAM 1667 S N 04 2 15 WIRING DIAGRAM 1669 1669L 2 1
38. ENTS Continued SERIES TRACTOR Page 8 5 Rev 11 90 SNOWTHROWER SINGLE STAGE CHAIN REMOVAL 1 Remove four screws A from guard 2 Loosen tension block J on chain 3 Locate master link in chain and re move Chain can now be slipped out CHAIN TENSION The chain is properly adjusted when it has approximately 1 8 3 mm of slack A chain too loose is inclined to jump and too tight a chain will cause excessive wear of chain and sprockets To adjust chain tension first loosen the hex head capscrews securing roller J Move the roller down to remove excessive slack AUGER REMOVAL 1 Remove chain 2 Remove the 8 3 8 x 1 2 screws and lock washers B securing the bearings to the housing 3 Auger should freely slide out 4 If auger is to be replaced remove the 2 end bearings Bearings can be removed with a wheel puller or by heating them AUGER REINSTALLATION GEAR CASE REMOVAL 1 Coat both ends of auger shaft with 1 loctite Grade D lock washers and hex nuts securing guard E Figure 8 10 2 Place new or old bearings over loctite ends of auger shaft 2 Remove guard 3 Place auger in the housing and re 3 Loosen set screws F secure bearing C using existing hardware 4 Loosen set screws of universal joint 4 Install chain G and remove universal Remove the 2 hex head screws D 5 Remove the 2 hex head screws lock washers and hex nuts H securin
39. H FOR THE 11 HP BRIGGS amp STRATTON ENGINE SEE PAGE 1 6 TWIN CYLINDER I C BRIGGS amp STRATTON GENERAL Continued LUBRICATION CHART HYDROSTATIC DRIVE MEDIUM FRAME SERIES TRACTOR Page 1 9 Rev 4 90 More often under extreme conditions Grease Length of Type of Amount LUBRICATION REQUIRED Operation Lubrication Required 1 Engine Crankcase After first Engine Oil 2 5 Hrs 5 5 SD or SE Spring Summer Autumn SAE 30 Oil Replacement 40 F to 120 F 25 Hrs Type SF SC SD or SE Quantity 4 C to 49 C 10 W 30 10W 40 1 3 pt 1 4L Winter 25 Hrs SAE 5W 30 Oil 2 3 1 4 pt 1 5L Average 40 F to O F amp Lower Type SF SC SD or SE 3 3 1 2 pt 1 6L Temperature 4 C to 19 C amp Lower or 5W 20 Oil 2 Hydrostatic Transmission Check 20 F 69 and above Add To FULL Shipped with SAE 20 oil Weekly SAE 20 oil Type SC SD Mark on Or 10 Hrs or SE Dipstick 20 F 6 C and below Approx 8 Qts DRAIN AND REFILL with 7 6L Recommended Transmission Fluid When oil is DRAIN AND REFILL discolored AS FOLLOWS dirty or after 20 F 6 C and Above 250 hrs SAE 20 oil Type SC During SDorSE heavy use 20 F 6 C and Below every Drain and refill with 100 hrs Recommended Transmission Fluid 3 Front Wheel Bearings 10 Hrs Mul
40. IRING DIAGRAM MODEL 1467 AND 1668 S N 0400101 thru 0599999 1668L S N 0100101 thru 0199999 1667 S N 0400101 thru 0499999 MEDIUM FRAME SERIES TRACTOR Page 2 15 Rev 4 90 COLOR CODE P Purple R W Red White R B Red Black R Y Red Yellow ff Cae Lye 9 ir a ENGINE B ia Iu ian S INTERLOCK SWITCHES SOLENOID P ATTACHMENT DRIVE LIGHT MTG SCREW AMMETER IGNITION SWITCH ENGINE BATTERY BOLT 49 14 DRIVE CLUTCH DEAL SOLENOID 10 FUSE 30 AMP 11 ATTACHMENT iD DRIVE SWITCH 12 CONNECTOR PLUG 13 STARTER 14 HEADLIGHTS 15 DIODE 16 FUEL SOLENOID 17 HOUR METER OPTIONAL 18 ENGINE MAGNETO 19 ENGINE ALTERNATOR 20 CRUISE SWITCH 1668 21 CRUISE CLUTCH 1668 22 CRUISE LIGHT 1668 23 CRUISE BRAKE 1668 24 RELAY 1668 O N DRIVE OFF ORIVE ON REAR VIEW OF ATTACHMENT DRIVE SWITCH REAR VIEW OF IGNITION SWITCH POSITION NO 1 POSITION NO 2 POSITION NO 3 POSITION NO 4 MEDIUM FRAME SERIES TRACTOR Page 2 16 Rev 4 90 ELECTRICAL SYSTEM Continued COMPLETE WIRING DIAGRAM MODEL 1669 AND 1669L ENGINE INTERLOCK SWITCHES ATTACHMENT DRIVE LIGHT AMMETER IGNITION SWITCH 77 BATTERY ATTACHMENT DRIVE CLUTCH SOLENOID FUSE 30 AMP ATTACHMENT DRIVE SWITCH
41. IVEOFF DRIVEON REAR VIEW OF ATTACHMENT DRIVE SWITCH ENGINE CAPACITOR INTERLOCK SWITCHES ATTACHMENT DRIVE LIGHT ENGINE SOLENOID IGNITION SWITCH BOLT MTG SCREW BATTERY ATTACHMENT DRIVE CLUTCH SOLENOID CIRCUIT BREAKER ATTACHMENT DRIVE SWITCH HOUR METER STARTER HEADLIGHTS POSITION NO 1 POSITION 2 POSITION NO 3 POSITION NO 4 TAIL LIGHTS OPTIONAL CONNECTORS REAR VIEW OF IGNITION SWITCH MEDIUM FRAME SERIES TRACTOR 2 14 Rev 4 90 ELECTRICAL SYSTEM Continued COMPLETE WIRING DIAGRAM MODELS 1667 S N 0100101 thru 0399999 1668 S N 0100101 thru 0399999 S 2 DRIVEOFE DRIVE ON REAR VIEW OF ATTACHMENT DRIVE SWITCH ENGINE CAPACITOR INTERLOCK SWITCHES ATTACHMENT DRIVE LIGHT AMMETER IGNITION SWITCH BATTERY ATTACHMENT DRIVE CLUTCH SOLENOID CIRCUIT BREAKER ATTACHMENT DRIVE SWITCH CONNECTOR STARTER HEADLIGHTS TAIL LIGHTS OPTIONAL HOUR METER OPTIONAL FUEL SOLENOID USED ON 1668 S N 03 FUEL SOLENOID DIODE USED ON 1668 S N 03 COLOR CODE GROUND AT Red ENGINE Black MOUNT White Yellow Blue Purple Red White Red Biack Red Yellow SOLENOID MTG SCREW lt S B RUN LIGHTS START POSITION NO 1 POSITION NO 2 POSITION NO 3 POSITION NO 4 REAR VIEW OF IGNITION SWITCH ELECTRICAL SYSTEM Continued COMPLETE W
42. Load too heavy Check for correct attachment lift hook up b Restriction in line from valve to hydraulic cylinder c Malfunctioning cylinder or valve Check for internal leaks caused by wear worn O rings etc If the pressure reading is below 450to 500 5 1 3100 3790 kPa and the hydraulic cylinder does not operate check the following a System low on oil b Plugged oil filter or pickup tube line Hydraulic oil line leaking d Hydraulic valve or cylinder leaking internally e Air or water in the system MEDIUM FRAME SERIES TRACTOR Page 6 4 5 78 HYDRAULIC SYSTEM Continued HYDRAULIC POWER LIFT REPAIRING THE HYDRAULIC CONTROL VALVE The hydraulic control valve regu lates and changes the direction of oil flow to the hydraulic cylinder when the control lever is actuated Lip Seals are used on the spool to provide a seal in the bore Repair lip seals are available for the control valve DISASSEMBLY The spool is matched to the bore in the valve body If the spool or LIP SEALS RELIEF VALVE ASSEMBLY FIGURE 6 5 valve body is damaged the com plete valve assembly must be re placed To remove the spool from the valve remove the capscrew in the end of the spool and flat washer Remove the spool by pulling it out of the lever end of the valve body Small burrs and scratches can be removed from the spool with fine emery cloth Clea
43. ODELS EXCEPT 1458 01 To adjust seat loosen knobs G Figure 5 9 beneath seat and slide seat forward or back For differ ent spring suspension twist spring H to loosen Slide spring to the front for light operators or back for heavy operators Twist spring to tighten EARLY MODELS 1258 1261 1458 1461 1658 1661 amp 1858 To keep seat in a upright position turn arm D down to act asa brace for the seat INTERLOCK SWITCHES This unit is equipped with IN TERLOCK SAFETY SWITCHES The function of these safety swit ches is to insure SAFE START UP of the unit 1 One interlock switch is incor porated into the Attachment Drive Switch ALL MODELS EXCEPT 1458 01 Figure 5 9 2 The second switch is below the seat A Figure 5 9 This switch should be activated when back edge of seat support B is depressed 5 8 16 mm If not loosen bracket C and move to correct location The Switch can also be activated by raising the seat and lifting the interlock button UP 3 CRUISE SWITCH 4 CHASSIS Continued The third switch E Figure 5 10 is on the brake linkage The switch button should depress approximately 3 32 2 mm when the brake is applied If not adjust by loosen ing nuts on switch and moving switch forward or back Retighten nuts The fourth switch C Figure 5 10 is also on the brake linkage When the pedal is released the button of the switch should be depr
44. OTE All carburetor adjustments must be made with air cleaner on engine Start engine and place equipment speed control lever in idle position Hold carburetor throttle lever against idle stop and adjust idle speed screw to obtain approximately 1400 RPM Turn idle mixture valve slowly clockwise lean mixture until engine misses or speed drops Then turn idle mixture valve 1 2 turn counterclockwise Place equipment speed control lever in fast position Turn high speed mixture valve slowly clockwise lean mixture until engine misses or speed drops Then turn high speed mixture valve 1 2 turn counterclockwise If the engine does not accelerate properly re adjust high speed mixture valve approximately 1 8 turn counterclockwise rich CONTROL ADJUSTMENTS Proper choke and speed control operation is dependent upon proper adjustment of remote controls on the powered equipment TO CHECK OPERATION OF CHOKE CONTROLS Move remote control lever to choke position The carburetor choke should be closed TO ADJUST CHOKE Place remote control lever on equipment in CHOKE position Loosen control casing clamp _screw Move control casing and wire until choke is completely closed Tighten casing clamp screw IDLE SPEED ADJUSTING SCREW IDLE MIXTURE VALVE THROTTLE LEVER FIGURE 4 8 CASING FIGURE 4 10 GOVERNOR SPEED CONTROL ADJUSTMENT The acceptable operating speed range is 1800 to 3600 RPM Idle sp
45. R SPRING w 3 engine shaft with emery cloth FIGURE 5 14 INDOwS Remove rust burrs and dirt from CHASSIS Continued MEDIUM FRAME SERIES TRACTOR Page 5 9 Rev 11 90 MAINTENANCE Once the clutch brake has been installed the clutch portion requires no further maintenance The unit is self adjusting for wear and never requires lubrication The brake portion may require periodic readjustment depending upon unit usage This can be accomplished as follows Position a 015 0 38mm thick shim in each of the four slots Figure 5 15 in brake flange and turn on clutch brake Tighten the 4 locknuts until they just contact brake flange CAUTION DO not over torque locknuts as damage to brake flange may result Turn off clutch brake and remove 4 shims Recheck gap through the slots provided A minimum of 010 0 25mm and a maximum of 015 0 38mm should be maintained If oil or grease contaminate clutch working surfaces remove with a cleaning fluid Barcothene alcohol or ammonia are acceptable substitutes With engine off pour a generous quantity of cleaning fluid between working surfaces if the clutch brake has not been used over a long period of time the following procedure is recommended prior to its use a Position tractor in neutral position b Start tractor engine and put throttle in fast position c Turn clutch brake switch on and off six times ingaging and disengaging drive
46. REW Ma R B L RUN LIGHTS POSITION NO 1 POSITION NO 2 POSITION NO 3 POSITION NO 4 REAR VIEW OF IGNITION SWITCH MEDIUM FHAME ELECTRICAL SYSTEM Continued SERIES TRACTOR Page 2 9 5 86 E MEDIUM FRAME SERIES TRACTOR Page 2 10 Rev 4 90 ELECTRICAL SYSTEM Continued CIRCUIT DIAGRAM 1258 1261 1458 1461 1463 1658 1661 1663 1664 AND 1858 S N 0100101 AND UP LIGHT CIRCUIT Ignition switch in RUN LIGHTS position IGNITION SWITCH AMMETER CIRCUIT BREAKER SOLENOID BATTERY HEADLIGHTS COLOR CODE W White R Red R W Red White R B Red Black B Black CHARGING CIRCUIT Ignition switch in RUN LIGHTS or RUN position RECTIFIER IGNITION SWITCH AMMETER CIRCUIT BREAKER SOLENOID BATTERY COLOR CODE R Red R W Red White R B Red Black B Black MEDIUM FRAME SERIES TRACTOR Page 2 11 Rev 5 8 ELECTRICAL SYSTEM Continued CIRCUIT DIAGRAM 1258 1261 S N 0100101 0199999 1458 1461 1658 S N 0100101 AND LATER 1661 S N 0100101 0299999 1858 S N 0100101 0199999 STARTING CIRCUIT Ignition switch in START position Brake switch depressed and Attachment switch OFF STARTER SOLENOID CIRCUIT BREAKER AMMETER IGNITION SWITCH INTERLOCK SWITCH SWITCH BATTERY 1 2 3 4 5 6 7 8 COLOR CODE R Red R Y Red Yellow R W Red White R B Red Black B Black
47. SERIES TRACTOR Page 3 15 Rev 11 90 16 18 19 20 21 TRANSAXLE RE INSTALLATION CONT D lower hole of the cross shaft arm with a cotter pin Secure hydrostatic control rod C in place with the washer and cotter pin previously removed Reconnect and tighten the two 2 hydraulic tubes to the hydro Fill the transaxle with approximately 8 qts 7 5L of new transmission fluid Change oil filter if necessary Remove spark plug from engine and crank for approximately 15 seconds to fill hydro with fluid Re install spark plug Start unit and operate at a low engine RPM If equipped actuate hydraulic lift lever This will fill the rest of the system with fluid Shut off tractor engine Carefully block up rear of tractor Place travel pedal into neutral position Start the engine and release the brakes If the wheels move in a forward direction move quadrant support plate D toward the front of the tractor If the wheels move in the reverse direction move the support plate toward the rear Stop unit and check fluid level Add fluid if necessary Figs 3 21 amp 3 22 Position the fender in place and connect the wires to the seat switch Secure the fender Re install the seat Re install the tunnel A HYDROSTATIC MODELS Fig 3 22 MEDIUM FRAME SERIES TRACTOR Page 3 16 Rev 11 90 DRIVE TRAIN Continued GEAR DRIVE INTRODUCTION Pe
48. T THRUST RACE 2 THRUST BEARING CLUSTER GEAR ASSEMBLY THRUST RACE Seals Must Be Flush lee THRUST RACE 2 THRUST BEARING Both Sides CARRIER AND AXLE Fig 3 15 ASSEMBLY SHIM FOR END PLAY AT THIS POINT MEDIUM FRAME SERIES TRACTOR DRIVE TRAIN Continued Page 3 12 Rev 11 90 TRANSAXLE RE ASSEMBLY CONT D HYDROSTATIC MODELS BEARING INSTALLATION LUBRICANT DON T try to wipe or wash the lubricant out of needle DO instolt bearings with original lubricant left In them bearings It is o tough tricky job ond is not necessary DON T hammer a bearing into a housing You are sure to damage the bearing Don t guess at housing bore size get it from our catalog more can be added after installation INSTALL CORRECTLY DO press bearings into hous ing with an arbor press using a pilot punch First place round or plain end of bearing in housing then use press Fig 3 16 against stamped end 1 Use an arbor press or a similar 3 Place the stamped end of the method whenever possible as illustrated 2 The punch should have a pilot to bearing against the shoulder of the punch The unstamped end of the bearing will lead best into the housing bore 4 Do not wipe the grease off the bearings Do not allow dirt to contaminate the grease keep the bearing in line as shown DISTANCE BEARING WILL BE INSET
49. TEM Continued SERVICING FILTER FUEL PUMP FUEL FILTER BRIGGS amp STRATTON MODELS FIGURE 4 2 AIR CLEANER The importance of maintaining an air cleaner in proper condition cannot be over emphasized Improper air cleaner maintenance can create engine damage which the engine manufacturer will not warrant When servicing the air cleaner lower the hinged side panel Unscrew the wing nut on the air cleaner cover and remove Clean the filter as follows BRIGGS amp STRATTON 11H P AIR CLEANER Figure 4 2 The air filter on the Briggs and Stratton engine has a precleaner This is cleaned by washing with a liquid detergent and water and squeezing dry like a sponge After the precleaner is dry put 1 oz 03 liter of oil on it and squeeze to distribute oil evenly NOTE DO NOT OIL ELEMENT THE PAPER ELEMENT WILL BE DAMAGED FUEL SYSTEM Continued Wipe dirt or dust accumulation from cover including base plate Dry type elements should be cleaned or replaced after 100 hrs or once a year The dry element is cleaned by gently tapping on a flat surface to remove loose dirt BRIGGS amp STRATTON TWIN CYLINDER AND VANGUARD AIR CLEANER Figure 4 3 and 4 4 Clean and re oil foam precleaner at three month intervals or every 25 hours whichever occurs first NOTE Service air cleaner more often under dusty conditions 1 Remove knob and cover 2 Remove foam pre cleaner by sli
50. UEL SYSTEM When no longer Replace serviceable Engine Oil Filter If Equipped 100 Hrs Replace Cooling Fins Engine Yearly or every Clean use 50 Hrs Air Hose if Available Transmission Filter Hydrostatic Spark Plugs 100 Hrs Service or Replace Breaker Points Battery Ignition 100 Hrs Service or Replace Ignition Timing Battery Ignition 100 Hrs Adjust Fuel Filter 100 Hrs Replace Battery 25 Hrs Check Water Level Add As Necessary Hydrostatic and Rear Axle Fins Hydrostatic Models Daily or Clean Use 10 Hrs Air Hose if Available Belts 50 Hrs Check for Wear 30 Hrs and Adjust Check for Damage and Air Pressure After First 5 Hours then After Every 100 Hours or with oil change Change Use Bolens Filter Brake As Required Adjust Linkage Rear Axle 50 Hrs Adjust End Play More often under extreme conditons An equivalent substitute is acceptable MEDIUM FRAME SERIES TRACTOR GENERAL Continued age 1 6 Rev 4 90 LUBRICATION POINTS GEAR DRIVE ENGINE SHOWN IS A 11 HP BRIGGS amp STRATTON FOR THE TECUMSEH ENGINE SEE PAGE 1 8 TWIN CYLINDER BRIGGS amp STRATTON GENERAL Continued LUBRICATION CHART 120 F to 40 F GEAR DRIVE Length of Type of LUBRICATION REQUIRED Operation Lubricatio
51. UM FRAME SERIES TRACTOR Page 3 17 Rev 11 90 TRANSAXLE REMOVAL GEAR DRIVE 8 Remove the four 4 mounting screws H from the frame RIGHT ANGLE DRIVE REMOVAL 1 Remove the two 2 mounting bolts and belt guides 1 and J from the support bracket 2 Slide the right angle gear box to the rear and remove NOTE THE GEARBOX IS PACKED WITH 3 oz OF TECUMSEH BENTONITE GREASE earth EBITLLLZTA zz 1 16 1 5 mm Fig 3 25 SERIES TRACTOR DRIVE TRAIN Continued Page 3 18 Rev 11 90 GEAR DRIVE BREAKDOWN PART REFERENCES AND NUMBERS FOR THIS BREAKDOWN ON FOLLOWING PAGE PEERLESS TRANSAXLE ASSEMBLY MODEL 2355 794 305 ANGLE GEAR BOX ASSEMBLY MODEL 3890 P91 DRIVE TRAIN Continued MEDIUM FRAME SERIES TRACTOR Page 3 19 Rev 11 90 GEAR DRIVE BREAKDOWN CONT D REF REF NO DESCRIPTION NO DESCRIPTION PEERLESS TRANSAXLE ASSEMBLY E AAEREN Capscrew Socket 1 4 20 x 3 4 s Ring a 50 Pin Dowel 5 2 51 Screw Hex Hd 5 16 18 x 7 8 Pin Drive 52 Plug Magnetic Drain 5 Housing Shift Lever 6 K ift L 54 Bearing Needle ge ub ever 55 Bearing Needle Lever Shi M 56 Bearing Ball 8 Ass y Shift incl items 57 Bearing Needle TUER Case Transaxle 1
52. VE OR IDLE VALVE BOTTOMS ON THE SEAT WHEN MAKING THE ABOVE ADJUSTMENTS DO NOT FORCE FURTHER THIS WOULD DAMAGE THE VALVE OR SEAT OPERATION OF CHOKE 1 Remove air cleaner to permit view of choke MEDIUM FRAME SERIES TRACTOR Page 4 5 Rev 4 90 SERVICING IDLE SPEED ADJUSTING SCREW FIGURE 4 7 2 Move choke control lever to CHOKE position The carburetor choke should be completely closed 3 Reassmbie air cleaner TO ADJUST CHOKE Place choke control lever in CHOKE position Loosen control casing clamp screw Move casing and wire until choke is completely closed Re tighten casing clamp screw MEDIUM FRAME SERIES TRACTOR age 4 6 Rev 4 90 FUEL SYSTEM Continued SERVICING BRIGGS amp STRATTON I C TWIN CYLINDER 14 HP amp 16 HP Carburetor Fig 4 8 thru 4 10 Minor carburetor adjustment may be required to compensate for differences in fuel temperature altitude or load THE TWIN CYLINDER ENGINE CARBURETOR FUEL MIXTURE ADJUSTMENT PROCEDURE IS UNIQUE ADJUST CARBURETOR FUEL MIXTURE IN THE ORDER STATED AS FOLLOWS Turn the high speed mixture valve clockwise until it just closes CAUTION Valves may be damaged by turning them in too far Open needle valve 1 1 2 turns counterclockwise Close the idle mixture valve in the same manner and open it 1 1 2 turns This initial adjustment will permit the engine to be started and warmed up prior to final adjustment N
53. aker points Briggs 6 Replace breaker points amp Stratton only 7 Faulty condenser Briggs amp Stratton 7 Replace condenser only 8 Faulty fuel pump 8 Replace pump 9 Loose or grounded breaker point wire 9 Check and replace leads Briggs amp Stratton only Overheating 1 Insufficient available cool air 1 Make sure area in front of flywheel is open or clean 2 Dirty air intake screen shroud or 2 Clean intake screen shroud cooling fins and cooling fins 3 Improper fuel 3 Clean and refill tank with proper fuel 4 Fuel mixture too lean 4 Adjust carburetor Backfiring 1 Fuel mixture too lean 1 Adjust carburetor 2 Hot spot in muffler 2 Replace muffler 3 Valve sticking 3 Check compression Free up valve Skip at high speed 1 Spark plug gap too wide 1 Adjust spark plug gap 2 Improper carburetor setting or lack 2 Refill tank and adjust of fuel carburetor MEDIUM FRAME SERIES TRACTOR Page 7 2 5 78 ENGINE Continued TROUBLE SHOOTING GUIDE Continued PROBLEM Operating erratically Engine will not idle PROBABLE CAUSE Clogged fuel line Water in fuel Improper carburetor adjustment Vent in gas cap plugged Faulty fuel pump Faulty choke control Loose ignition connections Air leaks in manifold or carburetor connections Improper carburetor idling adjustment Carburetor clogged Spark plug gap se
54. apscrews E and move support plate F Forward if wheels rotate in forward direction or toward the rear if wheels rotate in reverse 4 Tighten capscrews securing support plate when wheels no longer rotate 5 Stop engine and lock brake arm against the stop G 6 Loosen jam nuts H and move rod 1 until pin lightly contacts slot J of neutral plate NOTE EXCESSIVE ADJUSTMENT MAY CAUSE PIN BREAKAGE 7 Tighten jam nuts H 2 EARLY MODELS FIGURE 5 7 BRAKE ADJUSTMENT Figure 5 7 If only light foot pressure is required to latch the parking brake or if the parking brake does not hold the tractor when the brake pedal is latched the brake system requires adjustment With the parking brake released proceed as follows Turn brake rod A or hex nut B until a gap of 010 0 25 mm is achieved between brake disc and brake pad With brake pedal fully released brake disc must rotate freely The tractor should not move when the brake is locked in the FIRST position MEDIUM FRAME SERIES TRACTOR Page 5 5 Rev 4 90 LATER MODELS MEDIUM FRAME SERIES TRACTOR Page 5 6 5 86 SEAT ADJUSTMENT 1458 01 Model only To adjust seat remove the two rear capscrews A Figure 5 8 Loosen the two front capscrews B and reposition seat by sliding either forward or backward Tighten front capscrews and rein stall rear capscrews to secure seat in its new position ALL M
55. attachment lift package which is driven by the through the attachment lift valve valve attachment lift cylinder engine This charge pump filter and all external lines and provides hydraulic pressure The CYLINDE RESERVOIR DER OIL FILTER CONTROL VALVE PRESSURE RELIEF HYDROSTATIC HYDRAULIC SYSTEM Continued MEDIUM FRAME SERIES TRACTOR Page 6 3 Rev 11 90 TESTING HYDRAULIC SYSTEM CAUTION CARE SHOULD BE TAKENTOTHOROUGHLYINSPECT ALLHYDRAULIC COMPONENTS FOR HIGH PRESSURE LEAKS BEFORE TESTING OR REPAIRING NEVER FEEL FOR LEAKS AS OILLEAKING AT HIGH PRESSURE HAS SUFFICIENT FORCE TO PENETRATE THE SKIN AND CAUSE SERIOUS INJURY USE EXTREME CARE WHEN WORKING WITHASYSTEM AT OPERATING TEMPERATURES AS SEVERE BURNS CAN BE CAUSED BY CONTACT WITH HOT FLUIDS The following procedures c n be used as a basic troubleshooting method in their entirety or can be used selectively based on reference from thetroubleshooting chart Prior to proceeding with any test the fluid level should be checked and adjusted to correct levels Fluid samples should also be checked for contamination such as metallic particles strong burnt odor would indicate over heating the result of over loading excessive tolerances reduced flow of cooling air or lack of cooling fin maintenance A milky appearing fluid indicates moisture in the
56. connections 2 Check solenoid or starter ui on solenoid or starter 3 Defective solenoid 3 Check and replace if neces sary Weak or discharged battery Engine cranks slowly 1 1 Check battery charge or replace if necessary 2 Corroded or loose electrical connections 2 Clean and tighten at battery Battery discharges 1 Low water level 1 Check and refill rapidly 2 Check and replace if neces sary 2 Defective battery 1 Clean and tighten Battery will not 1 Corroded or loose battery cables charge 2 Defective battery 2 Replace battery 3 inoperative diode or rectifier regulator 3 Check diode and replace if necessary Check rectifier regulator by substitutions Refer to diode test li MEDIUM FRAME SERIES TRACTOR Page 2 2 Rev 11 90 ELECTRICAL SYSTEM Continued PROBLEM TROUBLE SHOOTING GUIDE PROBABLE CAUSE Lights not operating 1 Bulbs burned out Loose or broken white or black wire Light switch E Replace bulbs Replace wires or tighten Check for broken REMEDY connections switch amp replace Attachment drive inoperative Attach ment drive light works 1 Broken or loose wires m Electric clutch 5 N Check purple wire between Check clutch plate gap amp adjust PTO switch and electric clutch for breaks o
57. d bolts with lockwashers 8 Torque bolts to 300 in Ibs 34 Nm BELT DIAGRAM BELT DIAGRAM 18300 amp 18301 18335 amp 18336 LUBRICATION There are three grease fittings on the mower one on top of each blade spindle Lubricate these grease fittings after every 100 hours of operation with multi purpose grease and grease gun Frequently lubricate the linkage gauge rollers and other pivot points with a few drops of lubricating oil especially on mower after washing out TRACTOR ATTACHMENTS Continued A a 9 MOWER LEVELING MODEL 18338 For best cutting results it is important that the mower be teveled correctly Check tractor tire pressure Front 12 PSI 88 kPa Rear 8 PSI 55 kPa Place mower on a level flat surface Place cutting height adjustment lever Fig 8 7 in No 4 position and lower mower with tractor lift Check side to side level by measuring distance between blade tip and floor Fig 8 7 If distance varies more than 1 16 1 56 mm from left hand side to the right hand adjustment is necessary Raise mower with tractor lift and adjust side to side by turning clevis up or down on left hand side of mower Loosen jam nut B remove spring cotter and clevis pin C Rotate clevis D 1 2 turn to achieve a 1 32 78 mm adjustment If side of mower is too low lengthen rod Shorten rod if too high Reinstall clevis and spring cott
58. ding it off the paper cartridge a Wash foam pre cleaner in liquid detergent and water b Wrap fo m pre cleaner in cloth and squeeze dry Reinstall foam pre cleaner For Vanguard a Install pre cleaner in cover with foam toward cover b Install cartridge in cover with tabs on cartridge in slots of cover 5 Reassemble cover and screw down tight Yearly or every 100 hours whichever occurs first remove paper cartridge Service more often if necessary Clean by tapping gently on flat surface If very dirty replace cartridge or wash in a low or non sudsing detergent and warm water MEDIUM FRAME SERIES TRACTOR 4 3 Rev 4 90 SERVICING cq o e en FIGURE 4 4 FIGURE 4 3 solution Rinse thoroughly with flowing water from inside out until water is clear Cartridge must be allowed to stand and air dry thoroughly before using MEDIUM FRAME SERIES TRACTOR Page 4 4 Rev 4 90 TECUMSEH AIR CLEANER Figure 4 5 Under normal operating conditions disassemble and service air cleaner components every 100 hours of operation Do this more frequently if extremely dust or dirty conditions prevail The dry type element is cleaned by gently tapping on a flat surface when doing this be careful not to damage gasket surfaces on element DO NOT OIL ELEMENT THE PAPER ELEMENT WILL BE MATERIALLY AFFECTED BY THEIR USE USE ONLY A TECUMSEH ELEMENT Wipe dirt or dus
59. e White Red White Black t Brown Brown Orange Brown Yellow Purple Green Gray FUNCTION Ground Solenoid Ground Switched 12 Volts Amp Meter Pos Terminal Amp Meter Neg Terminal Start Circuit Ignition Circuit Stator Leads Stator Leads Stop Circuit Safety Interlock Lights Hi Beam Lo Beam Brake Light Back Up Light Tach Tach Signal Tach Signal P T O Clutch Temperature Oil Pressure EXPLANATION Lead between solenoid and ground switch Run or On Key Position 4 For Amp Meter polarity indication Amp Meter polarity indication 12 Volts start position only 12 Volts during run and start position To indicate polarity on 2nd wire From engine kill circuit Accessory Stop Circuit Function of light circuit Function of light circuit Function of light circuit Function of light circuit Obtained from 12 volt ignition coil Obtained from stator Lead used between sender and indicator Lead used between sender and indicator Some of the products from Vendors will not match our color system Generally the Vendor uses black wire however we will try to interrupt this difference by using a connector located near the Vendor item MEDIUM FRAME SERIES TRACTOR Page 2 4 Rev 4 83 ELECTRICAL SYSTEM Continued COMPLETE WIRING DIAGRAM 1058 1060 AND 1160 S N 0100101 AND UP COLOR CODE R Red B Black White Yellow L Blue P Purple R W Red White R B Red Black R
60. e before continuing Position quadrant support plate D and linkage into place before assembly Tip the quadrant up and walk the transaxle into the frame NOTE On later models it may be necessary to raise the frame even futher off the blocks to clear the fuel tank support Figs 3 15 amp 3 16 Stablize the transaxle by temporarily installing a mounting screw and nut into one of the top left hand transaxle support holes F in the frame Position the quadrant support plate in place using the scribed line D and tighten Plate must be parallel with frame after assembly NOTE Make sure all rods are in the right position for later assembly Position the two 2 axle U bolts G in place with the flat support spacer and turn the nuts on a few turns Remove the blocks from beneath the frame Remove mounting screw F and nut assembled in step 3 Align the seat support bracket H over the frame and fasten the four 4 mounting screws and two 2 nuts into the frame Tighten the four 4 U bolt nuts HYDROSTATIC MODELS 10 Slide driveshaft onto input shaft and secure driveshaft hub with set screws NOTE Provide 1 8 clearance between hydro and driveshaft hub Make sure that the two piece driveshaft is properly installed The arrows or marks on the two parts must align with one another 11 Secure the brake rod B in the DRIVE TRAIN Continued MEDIUM FRAME
61. eck linkage correct problem Repair hydro Refer to Eaton Model Repair Manual Loss of power Filter or suction line clogged Replace filter clean and refill hydro models system with fresh oil hydro models PND 9 Hydro unit not functioning E 2 Low on oil 2 Check and add as necessary 3 Worn or loose hydro linkage 3 Adjust or replace 4 Air in system 4 Check hydraulic line connections 5 Engine slows down or is 5 Check engine for proper RPM sluggish Set at 3600 RPM no load using a tachometer See Engine Section Unit operating hot 1 Oil level low 1 Check for leaks and refill to hydro models proper level 2 Low engine RPM 2 Operate at full throttle 8 Dirt on transmission fins 3 Clean external surface 4 Excessive load or high 4 Reduce load drawbar loading Partially plugged filter Internal damage to hydro m Replace filter and oil Repair hydro Refer to Eaton Model II Repair Manual Brake does function 1 Brake pucks or band worn 1 Replace brake pucks or properly band 2 Brake out of adjustment 2 Tighten brake adjusting nut as required SERIES TRACTOR DRIVE TRAIN Continued Page 3 2 Rev 11 90 EATON HYDROSTATIC INTRODUCTION amp REPAIR IDENTIFICATION REPAIR If the hydrostatic transmission is in need of repair refer to the Eaton Service amp Repair Manual This manual i
62. eed is 1400 RPM The manufacturer of the equipment on which the engine is used specifies the top governed no load speed at which the engine may be operated DO NOT EXCEED this speed Engine speed is controlled by movement of the control lever Move control lever on equipment A to slowest engine speed possible Throttle lever on carburetor should touch idle speed adjusting screw To adjust loosen control casing clamp screw Move control casing and wire in direction shown by arrow until throttle lever touches idle speed adjusting screw on carburetor Retighten casing clamp screw B CAUTION Throttle lever on carburetor MUST touch idle speed adjusting screw when equipment control lever is in slowest position FUEL SYSTEM Continued IDLE MIXTURE SCREW SERVICING RED OR WHITE CARBURETOR ADJUSTMENT SCREWS FIGURE 4 11 BRIGGS amp STRATTON VANGUARD CARBURETOR Figure 4 11 CARBURETOR ADJUSTMENTS Minor carburetor adjustment may be required to compensate for differences in fuel temperature altitude or load NOTE The air cleaner and air cleaner cover must be assembled to carburetor when running engine THE TWIN CYLINDER ENGINE CARBURETOR FUEL MIXTURE ADJUSTMENT PROCEDURE 15 UNIQUE ADJUST CARBURETOR FUEL MIXTURE IN THE ORDER STATED AS FOLLOWS INTITAL ADJUSTMENT Figure 4 11 Gently turn the idle mixture screw clockwise until it just closes Screw may be damaged by turning it in too
63. emove eight 8 bolts holding right hand transaxle cover D Remove right hand transaxle cover Clean any gasket residue off cover flanges NOTE KEEP TRACK OF THE POSITIONS OF ALL SHIMS WASHERS AND GASKETS REMOVED DURING DIS ASSEMBLY THESE ITEMS WILL HAVE TO BE REPLACED DURING RE ASSEMBLY REPLAC DAMAGED OR BADLY WORN SHIMS AND WASHERS AND ALL GASKETS DURING RE ASSEMBLY USE ONLY ORIGINAL BOLENS PARTS Fig 3 8 4 Remove nine 9 bolts holding left hand transaxle cover and lift off center transaxle cover Clean any gasket residue off cover flanges Axle differential assembly G will then lift out NOTE For differential servicing see page 3 9 ot Simultaneously lift pinion bevel gear assembly E and reduction gear assembly F out of gear 7 case NOTE Pinion gear assembly may require a slight wiggle to dislodge For transaxle re assembly proceed to page 3 11 on some models the bevel gear H can be removed from the shaft if replacement is necessary A woodruff key is used to prevent the bevel gear from turning on the pinion shaft 9 If differential disassembly is required it will be necrssary to remove the left hand wheel assembly at this time MEDIUM FRAME DRIVE TRAIN Continued SERIES TRACTOR age 3 9 Rev 11 DIFFERENTIAL ASSEMBLY RE ASSEMBLY HYDROSTATIC MODELS DISASSEMBLY Fig 3 9 3 10 amp 3 11 Remove four 4 5 16 ferry head BULL GE
64. engine support away from driveshaft and other moving parts Open fuel shut off valve M on fuel tank Figure 7 5 7 Connect throttle cable K and choke cable L Figure 7 6 Route throttle cable thru heat shield first NOTE Be sure choke wire is installed in forward hole on choke lever Tighten clamps MEDIUM FRAME SERIES TRACTOR 7 9 Rev 4 90 8 Instail all wires thru heat shield Connect black ground cable to right hand rear engine mounting bolt J Figure 7 5 Connect red positive cable 1 to starter terminals ENGINE SUPPORT 9 Install block ground wire H to engine blower housing Carefully connect blue ignition wire G to tab at engine a 10 Connect red black wire F to engine lead 11 Connect red wire E to regulator lead 12 Connect purple wire D to electric clutch lead 13 Install hood to tractor 14 Connect headlight harness C to lead from the lights 15 Connect red positive cable B and black ground cable A to battery 16 Re check all connections and test run tractor MOWER LEVELING MODELS 18300 18301 18335 amp 18336 For best cutting results it is important that the mower be leveled correctly A Check tractor tire pressure Front 12 PSI 88 kPa Rear 8 PSI 55 kPa 2 Place mower on a level flat surface 3 Place cutting height adjustment lever A Fig 8 1 in No 4 position and lower mower with trac
65. er Tighten jam nut Lower mower with tractor lift and check measurement again Readjust if necessary Check front to rear leveling by measuring the distance from the blade tip E Fig 8 7 and the floor If distance varies more than 1 8 front to back adjustment is necessary Adjust as follows MOWER DECKS MEDIUM FRAME SERIES TRACTOR Page 8 3 Rev 1 91 Model 18338 Model 18338 INITIAL SET UP 19 3 16 48 7 10 Lift mower with tractor lift remove pins F and loosen jam nuts G on the tie rods Fig 8 7 11 One turn of clevis Fig 8 7 will vary the rod length approximately 1 16 1 56 mm Shorten rod to raise front of mower and lengthen to lower Turn both rods same number of turns 12 Reinstall the pins and tighten jam nuts 13 After adjustments have been made activate lift of mower Let mower drop to the ground a few times Then recheck measurements Readjust if necessary IEDIUM FRAME ERIES TRACTOR age 8 4 Rev 4 88 SPINDLE REMOVAL AND DISAS SEMBLY Figure 8 8 1 Remove belt covers 2 Remove belt from spindle 3 Remove top sheave A and wood ruff key 4 Remove two bolts securing cutting blade 5 Remove 4 bolts B holding spindle assembly and remove spindle assembly from mower deck 6 Remove shaft assembly from spindle housing SPINDLE ASSEMBLY Figure 8 8 amp 8 9 1 Place Seal C on shaft assembly 2 Assemble Bearing cone D
66. erless makes power transmission gear drives for use in all types of lawn and garden equipment ANGLE DRIVES These units are used primarily to change the direction of drive at the point where the working equipment attaches These units consist of input shafts output shafts and the beveled gearing necessary to change the direction of power transmission at right angles By positioning the drive bevel gear on the input shaft nearest the input end opposite rotation will be attained from that of switching the beveled gear around to the side away from the input end of the shaft Casing bearings are identical The cover identifies each unit as being either a left hand LH or a right hand RH right angle drive TRANSAXLES A combination transmission differential axle is in one compact unit The distinguishing features are a massive casing and a large shift lever opening The obvious difference from the standpoint of application is that these units have four speeds forward and can be used with ground engagement operations such as tilling etc IDENTIFICATION IDENTIFICATION OF MODELS All Peerless assemblies have a model number identification tag or stamping SAMPLE MOD 2300 PEERLESS 3 275 1374 O 2300 SERIES AorB Individual Serial Number Manufactured on the 275th Day Manufactured in 1983 On units containing axles transaxles or reduction gear and differential units the identification should be visible by
67. essed approximately 3 32 2 mm When the pedal is depressed the button of the switch is released and all power to the cruise control is shut off If not adjust by loosening nuts on switch and move switch forward or back Retighten nuts FIGURE 5 8 EARLY MODELS uc Cy in HV AH 7 ar 25 FIGURE 5 10 CHASSIS Continued MOWER DRIVE ADJUSTMENT To adjust the mower drive belt to its proper tension proceed as fol lows EARLY MODELS FIGURE 5 11 Turn hand knob A till indicator wire B is between the two lines of the decal on the side of the support LATER MODELS FIGURES 5 12 amp 5 12A Turn hand knob C till indica tors D are parallel to one another ALL MODELS After the above adjustments the two idlers of the drive should be in line with each other MEDIUM FRAME SERIES TRACTOR Page 5 7 Rev 3 80 FIGURE 5 12A MEDIUM FRAME SERIES TRACTOR Page 5 8 5 78 CHASSIS Continued POWER TAKE OFF P T O ELECTRIC CLUTCH REMOVAL Apply light coat of grease or oil to Reconnect plug lead to lead from shaft Insert key into keyway in switch making certain connection NOTE DO NOT USE WHEEL shaft is secure and the wire is not rubbing against rotating parts a a NE Push rotor and armature daa assembly with pulley onto engine Remove the hood and front frame shaft until hub bottoms on cross plate
68. far Then turn idle mixture screw 1 1 2 turns counterclockwise This initial adjustment will permit the engine to be started and warmed up approximately 5 minutes prior to final adjustment FINAL ADJUSTMENT Figure 4 11 amp 4 12 Start engine and place equipment speed controi lever in idle position Hold carburetor throttle lever against idle stop and adjust idle speed screw to obtain 1300 to 1500 RPM Turn idle FIGURE 4 12 mixture screw slowly clockwise lean mixture until speed just starts to slow Then turn idle mixture screw slowly counterclockwise rich mixture until speed just starts to slow Turn screw to midpoint between rich and lean Now adjust idle spring screw to obtain 1200 RPM if governed idle spring is red or 900 RPM if governed idle spring is white Release throttle lever If the engine does not accelerate properly readjust idle mixture screw approximately 1 8 turn counterclockwise rich NOTE Engines operated at altitudes of approximately 3000 to 5000 feet 900 to 1500 meters or higher may require the installation of a high altitude carburetor main jet to achieve best engine performance If erratic performance is observed contact a Briggs amp Stratton Authorized Service Center for part number of high altitude jet CONTROL ADJUSTMENTS Proper choke and throttle control operation is dependent upon proper adjustment of equipment controls MEDIUM FRAME SERIES TRACTOR
69. g gear box to housing 6 The complete gear case can now be removed 7 When reinstalling the gear case apply never seeze to output shaft 8 When reinstalling the universal joint secure coupling flush with heads of Screws MEDIUM FRAME SERIES TRACTOR Page 8 6 Rev 11 90 TRACTOR ATTACHMENTS Continued SNOWTHROWER SINGLE STAGE CONT D GEAR CASE DISASSEMBLY 1 Remove cover A 2 Locate snap ring B and slide ring over shaft C 3 Remove cover D 4 Remove shaft C and bearing E from gear case 5 Remove gear and snap r ng 6 Remove seal G and snap ring H 7 Output shaft I can now be removed through cover end of gear case GEAR CASE ASSEMBLY 1 tf necessary remove and replace all oil seals and bearings 2 Reverse the above procedure when assembling 3 Fill gear case with SAE 90 gear oil to plug level in cover Fig 8 11 4 Before assembling the gear case to the housing make sure the input and out put shafts turn freely GEAR BOX BREAKDOWN Oil Seal Retaining Ring Ball Bearing Housing Output Shaft Gear Gasket Cover Oil Plug Pan Hd Screw Input Shaft Cap Hex Hd Screw 4 K7 Qo OO N Fig 8 12 ie E 2 TRACTOR ATTACHMENTS GEAR BOX REPAIR DISASSEMBLY Loosen sprocket A Fig 8 13 set screws and locking collar set screws behind sprocket Loosen locking collar by turn
70. g of the seal HYDROSTATIC MODELS 10 When the shaft is assembled from reverse side of sealing lip no special precautions are required other than removing all burrs and sharp corners from shaft When the shaft enters against the sealing lip a tapered sleeve made to the dimensions shown at A must be used Use a sleeve as shown B when seal must pass splines keyways or holes The edges of the splines keyway or holes should be rounded and lubricated with a heavy grease if the use of an assembly sleeve is not possible REMOVE SHARP EDGES MOUNTING SLEEVE FOR USE WITH PLAIN SHAFTS 11 If the machine is to be painted where seals are exposed mask the shaft and sealing lip to prevent paint from being deposited in these areas If the paint is to be baked on be sure the baking temperature does not exceed the operating temperature of the seal to avoid damaging the sealing member REMOVE SHARP 055 2 MOUNTING SLEEVE FOR USE WITH SHAFTS HAVING SPLINES KEYWAYS OR HOLES SLEEVES 1 Sleeve wait thavid be ai thin as posible no more than 040 beyond shalt 2 Lubricote bolh sleeve ond belore vsing DRIVING TOOLS O 0 0 010 TO 0 015 LESS THAN HOUSING HOUSING eee Fig 3 18 MEDIUM FRAME SERIES TRACTOR DRIVE TRAIN Continued Page 3 14 Rev 11 90 4 m TRANSAXLE RE INSTALLATION NOTE Hydro should be installled in transaxl
71. gine at full speed the drive belt should not rotate If it does adjust lock nut A or check belt guides MEDIUM FRAME SERIES TRACTOR Page 5 3 Rev 4 90 GEAR DRIVE TRACTOR ADJUSTMENTS CHASSIS Continued Early Models Later Models FIGURE 5 4 FIGURE 5 4A BRAKE ADJUSTMENT Figure 5 4 and 5 4A When the brake will no longer hold the tractor with brake lock set in the third or lowest notch the brakes should be adjusted To adjust loosen nut C on brake rod With the foot pedal returned to its uppermost position adjust lock nut D till there is a gap of 1 16 1 5 mm between lock nut and T pivot block E Tighten nut C to 1 8 in 8 mm pivot block NS L r BELT GUIDES ADJUSTMENT Figure 5 5 m LOSZ Fig i US LL Ax 7 With the foot pedal in its upper most position check belt guides as follows 1 Belt guide F on right angle drive support should be 1 16 in 1 5 mm away from belt 2 Guide G at idler should be in approximate position shown in Figure and 1 8 3 mm away from FIGURE 5 5 belt 3 Belt guides H should be adjusted 3 32 in 2 mm away from drive belt MEDIUM FRAME SERIES TRACTOR Page 5 4 Rev 4 90 CHASSIS Continued HYDROSTATIC TRACTOR ADJUSTMENTS Below is a view of the Hydrostatic control linkage for the hydrostatic drive tractors Study then proceed with the instructions 1468 16
72. id all the way to the end of the spline With the hubs of the drive shaft in their proper position the two couplings should be flat not pushed in If not reposition the engine 6 Attach hood and side panels 7 Connect negative battery cable RUBBER MOUNT REPLACEMENT When replacing the rubber engine mounts make sure they are correctly placed To check push FIGURE 7 2 down on the center of the rubber mount The softer mount should always go at the rear See Figure 7 2 for correct assembly TECUMSEH MODELS ENGINE REMOVAL AND REINSTALLATION REMOVAL Figure 7 3 1 Disconnect negative battery cable 2 Remove hood and side panels disconnect light harness at connector 3 Disconnect throttle and choke cables at engine and pull through heat shield 4 Close fuel petcock and disconnect fuel line at fuel filter 5 Disconnect electric clutch wire purple 6 Disconnect wire harness at connector red amp blue 7 Disconnect starter wire red and ground wire black and pull all wires through heat shield 8 Disconnect and remove three driveshaft bolts at flywheel 9 Scribe line on front engine supports along frame for reinstallation alignment Loosen two bolts B on each side of the engine supports 10 Remove two rear engine mount bolts 11 When ready to pull engine remove four bolts from front engine supports REINSTALLATION 1 Set eng
73. ine on rubber mounts in rear lining up scribe line on front engine supports with frame and insert front two bolts B on each side Insert proper engine mount spacers for engine height until a gap of 7 16 11 mm to 1 2 13 mm is reached between the bottom surface of the engine support and inside surface of the frame This dimension should be held at the front and rear of the engine support Secure supports to frame holding dimension given above ENGINE Continued MEDIUM FRAME SERIES TRACTOR Page 7 5 Rev 4 90 TECUMSEH MODELS ENGINE REMOVAL AND REINSTALLATION CONT SCRIBE 7 16 11 mm 1 2 13 mm 2 Bring starter red ground black electric clutch purple wires and engine wire harness red and green wires through the heat shield and connect to proper terminals 3 Connect fuel line to fuel filter and open fuel petcock 4 Puil choke and throttle cables through heat shield and connect to proper locations adjust later 5 Connect drive shaft and tighten the three bolts on the drive shaft coupling On hyrostatic models make sure the hub on the hydrostat is 5 16 8 mm away from the front face of the hydrostat On gear drive models make sure the hub on the right angle gear box is slid all the way to the end of the spline to 1 2 13 mm FIGURE 7 3 With the hubs of the drive shaft in their proper position the two couplings should be flat not pushed in If not reposit
74. ing Remove the 2 hex screws and lock washers B Fig 8 14 of auger shaft Dissassemble gear box from housing support C Loosen both set screws and locking collars of housing bearings D Remove 6 carriage bolts lock washers and hex nuts E securing housing bearings Slide gear case as far as possible to the right side and remove the entire auger shaft assembly Disassemble rear sprocket A Fig 8 13 and key in shaft as complete shaft assembly is being removed NOTE may be necessary to pry the shaft out of the side housing After removing the gear case and auger dissassemble coupling F Fig 8 14 from shaft Slide off R H and L H auger blade assemblies Disassemble gear box and repair as required ASSEMBLY Slide on R H and L H auger assemblies Secure fan assembly coupling F in place SNOWTHROWER 2 STAGE 3 Place both end housing bearing assemblys D onto auger shaft 4 Insert complete assembly into housing Assemble square key and sprocket A Fig 8 13 onto rear gear box 5 Secure gear case to housing support C Fig 8 14 6 Secure flange bearings D to end housings 7 Secure R H and L H auger assemblys to gear case shaft 8 Tighten locking bearing collar behind sprocket A Fig 8 13 and tighten set screws 9 Line up rear sprocket A and secure with set screws 10 Tighten locking collar and set
75. ion the engine 6 Attach hood and side panels 7 Connect negative battery cable FIGURE 7 4 RUBBER MOUNT REPLACEMENT When replacing the rubber engine mounts make sure that the correct mount is replaced To check push down on the center of the rubber mount The softer mounts should always go to the rear See Figure 7 4 for correct assembly MEDIUM FRAME SERIES TRACTOR Page 7 6 Rev 4 90 MODEL 1659 1662 1667 1668 1668L amp 1467 ENGINE REMOVAL AND REINSTALLATION ENGINE Continued REMOVAL 1 Disconnect negative battery cable A from battery 2 Remove hood and side panels disconnect light harness at connector B 3 Disconnect throttle and choke cables at engine and pull through heat shield 4 Close fuel petcock and disconnect fuel line at fuel filter C Remove bracket D Figure 7 5 and fuel tank 5 Disconnect electric clutch wire purple 6 Disconnect wire harness E Figure 7 4 at connector 7 Remove R H rear engine mount bolt F Figure 7 6 amp 7 7 Notice placement of star washer and negative battery cable 1 2 13 mm 8 Remove two bolts G Figure 7 6 securing engine hub to flywheel Notice the flat washer between hub H and flywheel 9 Scribe line on front engine supports and L H rear support along frame Loosen two bolts 1 on each of the engine supports 10 When ready to pull engine
76. l Models Remote cable operated Spark Plug ius cce xxx XA Models Champion R L85 or equivalent Spark Plug Models saur 25 m la 030 in 076 mm Gap iY SOS Mea All Models a ve RE Solid State SERIES TRACTOR Page 1 3 Rev 4 83 MEDIUM FRAME SERIES TRACTOR GENERAL Continued Page 1 4 Rev 4 90 CHASSIS derer uec ad es aoa Noe Ee Ped All Models cusa cerrar Ih EE ERU Steel formed frame Height Iru em Ree All Models ER Uer erg 44 in 111 8 cm Width in Zero eco mr eror Ore an ey 1058 1060 255 ner Ra usa re a 36 1 4 in 92 cm All Other 16 Approx 36 37 in 91 94 cm Length 32522524 sexo All Models 4 sew ex Pr EX 70 3 4 in 179 7 cm Wheel Base 8 SD ele Te ies 49 in 123 cm Turning Radius in cm All Models eter Ier rr shee Ss Oa ee 77 in 195 6 cm Ground Clearance Rear Axle in cm Tm 7 in 17 cm Shipping Weight 1 rene eNOS A edge 655 Ibs 297 kgs 1060 4180 op Ie rr Ep Ron hs 600 Ibs 272 kgs 1258 1458 1658 1659 1664 700 Ibs 318 kgs 1261 1461 1
77. m front cross shaft Remove cotter pin and washer and disassemble pivot block and control rod C from the foot pedal shaft Unfasten both hydraulic tube lines at the hydrostatic end NOTE Oil will be drained from these lines Scribe aline D onthe inside L H frame along the rear of quadrant support plate E NOTE This support must be removed and the scribed line will help in reassembly later Remove the quadrant support plate with assembly links Block up the tractor at mid frame till the rear wheels are just off the floor surface Remove the four capscrews F and two clamps G securing the transaxle to the frame Remove fender support H at this time Place one foot on the rear hitch or use a bar in rear hitch hole to balance the transaxle while removing Slowly roll the complete transaxle and hydro back and out of the frame TRANSAXLE REMOVAL 14 After the transaxle assembly has cleared the frame tip the transaxle backward to rest on a 6 block NOTE Refer to page 3 7 for exploded view of complete assembly DRIVE TRAIN Continued SERIES TRACTOR age 3 7 Rev 11 TRANSAXLE ASSEMBLY HYDROSTATIC MODELS Dipstick Hex Hd Screw 3 8 16 x 1 1 2 Axle Gear 47T Tube Needle Bearing 30 Flange Screw 5 16 18 x 4 Transaxle Housing Gear Ass y 50T 16T Shim Oil Seal Dowel Pin Tubular Spacer Needle Bearing Hex Lock Nut 3 8 Th
78. n 1 Engine Crankcase After first Engine Oil 2 5 Hrs SF SC SD or SE Spring Summer Autumn 25 Hrs SF SC SD or SE SAE 30 10 W 30 MEDIUM FRAME SERIES TRACTOR Page 1 7 Rev 4 90 Amount Required Replacement Quantity 1 3 pt 1 4L More often under extreme conditions 49 to 4 C 10 W 40 Oil 2 3 1 4 pt 1 5L Winter 25 Hrs SAE 5W 30 or 5 20 3 3 1 2 pt 1 6L Average 40 F to 09 amp Lower Temperature 4 to 19 amp Lower Type SF SC SD or SE 2 Transmission Check once Add To Plug a year EP 90 Gear Lube Level Capacity 3 pints 1 4L 3 Front Wheel Bearings Some Models 10 Hrs Multi Purpose 1 2 Strokes Grease 4 Front Wheel Spindles 10 Hrs Multi Purpose 1 2 Strokes Grease 5 Steering Shaft 10 Hrs Multi Purpose 1 2 Strokes ul Grease bi NOTE A hand type grease gun is recommended when greasing your unit HI PRESSURE TYPE GREASE GUNS could cause damage to the fittings and bearing seals Lubricate all linkages levers and pins not equipped with grease fittings with oil once a week or more often depending on operating conditions 1 3 Pt 1 4L Models 1060 1160 1467 1662 1667 2 3 1 4 Pt 1 5L Models 1261 1461 1463 1661 1663 3 3 1 2 Pt 1 6L Models 1468 MEDIUM FRAME SERIES TRACTOR GENERAL Continued Page 1 8 Rev 4 90 LUBRICATION POINTS HYDROSTATIC DRIVE ENGINE SHOWN IS A TECUMSE
79. n all parts before assembly ASSEMBLY 1 3 Install new lip seal rings onto the spool with the opening towards the inside of spool Lubricate seals and insert spool with seals into valve body Be careful not to damage seals Install the spool into the valve body from the lever end This end has a chamfer in the bore which is a lead for the pack ings Secure spool with round head screw lock washer and flat washer MEDIUM FRAME SERIES TRACTOR Page 6 5 Rev 11 90 HYDRAULIC SYSTEM Continued HYDRAULIC POWER LIFT CONT D REPAIRING THE HYDRAULIC CYLINDER To remove the piston rod assembly A from the cylinder the internal snap ring B and the hose fitting which goes through hole C in the cylinder tube must be removed PISTON ROD REMOVAL E Remove 90 elbow from cylinder tube 2 Pull the piston rod out until it is fully extended 3 Pinch snap ring together and pull on piston rod until the assembly slides out of the cylinder housing When the piston rod assembly is removed from the cylinder tube hex nut D can be loosened and the piston cylinder head and related O rings installed IMPORANT Grease rings to prevent damage during assembly FIGURE 6 3 Piston Rod Assembly Oil Seal Snap Ring Ring Washer O Ring Ring Washer O Ring Cylinder Head Ring Washer Ring Ring Washer Piston Cylinder Tube Hex
80. n attachments NOTE ALLOW ENGINE DRIVEN ATTACHMENTS TO COME TOA COMPLETE STOP BETWEEN ON OFF CYCLES The clutch brake is now ready for continuous trouble free duty ELECTRIC P T O CLUTCH SPECIFICATIONS 12VDC Resistance 2 80hms Current Draw 4 17 Amps TROUBLESHOOTING Electrical Data See wiring diagram in the electrical section of this manual a Clutch does not engage Check electrical system for broken wires or bad connections Check voltage at clutch lead Voltmeter should read more than 10 volts If voltmeter does not register a reading look for broken wires or connect clutch lead and check LOCKNUTS POWER TAKE OFF P T O resistance reading of clutch coil A normal resistance reading should be between 3 0 and 2 3 ohms A reading outside these values indicates a faulty coil The field assembly should then be replaced Check armature rotor air gap This is done by insertinga feeler gauge in the 4 slots provided in the brake flange The gap should be between 010 015 0 25 0 38mm with the clutch brake switch in the off position If the gap is greater readjust brake as described under maintenance b If engine driven attachment rotates slower than normal check for loose belt Inspect engine driven attachment with PTO belt removed Attachment should turn freely Check clutch brake working surfaces for grease or oil
81. ngs in side housings If needles show signs of pitting or any other damage replace them Use a needle bearing driver and seat bearing to a depth of 1 32 to 1 16 0 78 1 57 mm below the machined surface of the upper two bearings The axle bearing must be seated to a depth of 1 4 6 4 mm below the machined surface NOTE ALWAYS INSTALL THE NEEDLE BEARINGS WITH THE STAMPED END THE END WITH IDENTIFICATION MARKINGS AGAINST THE BEARING DRIVING TOOL 2 Install carrier and axle assembly SEAT SIDE HOUSING NEEDLE BEARING TO A DEPTH OF 1 32 TO 1 16 SEAT AXLE BEARING TO A DEPTH OF 1 4 Figure 3 13 into the left side housing Be careful not to damage axle seal in end of housing Apply a 1 32 0 8 mm bead of sealant around cover flange Keep bead to the inside of bolt holes Bolt left side housing with axle assembly to the center housing Torque housing cap screws to 30 ft Ibs 40 N m 4 The 56 bevel gear Figure 3 7 can be removed from the shaft if replacement is necesary A woodruff key is used to prevent the bevel gear from turning on the pinion shaft e 5 To install the assembled bevel gear and pinion shaft into the Fig 3 13 transaxle mesh the cluster gear and assembly 7 The right side of the bevel gear together must have a thrust bearing assembly The cluster gear must have a thrust washer and the axle shaft a spacer and torrington bearing assembl
82. ollowing table illustrates ranges of specific gravity for each cell in various states of charge at 80 F SPECIFIC GRAVITY CHARGED 1 250 1 280 100 1 230 1 250 75 1 200 1 220 50 1 170 1 190 25 1 140 1 160 10 DISCHARGED 1 110 1 130 CHECKING BATTERY VOLTAGE Battery voltage can be checked with a volt ohm meter It should read between 11 5 and 12 5 volts BATTERY CRANKING TEST For this test the battery should be approximately 80 F 1 Check battery electrolyte level add water if necessary Battery must be fully charged Check battery voltage It should be between 11 5 and 12 5 volts Crank the engine using the starter motor for 15 seconds Battery voltage should not drop below 9 0 volts at the end of this 15 second test 4 If voltage is less than 9 0 volts repeat steps 1 through 4 If same results are obtained replace battery SOLENOID TEST The solenoid is a sealed unit and must be replaced if found inoperative To test the solenoid connect 9 12 volt power source between the solenoid case and the smail solenoid terminal CAUTION If the battery is the power source a spark at the battery post may ignite battery gases When the power source is connected the soleniod plunger should activate contact between the two large terminals If the test does not activate the plunger re
83. pair 3 Clean fuel lines carburetor and install new fuel filter Check linkage carburetor float setting etc 5 Adjust carburetor 6 Clean system and refill with clean fuel 7 Install new air filter 8 Install new pulse line Refill tank Clean or replace fuel filter Open Clean out vent Install new pulse line If inoperative replace Tighten fuel line Adjust float Readjust carburetor Adjust float Install new air filter Tighten carburetor mounting screws SERIES TRACTOR Page 4 2 Rev 4 90 MEDIUM FRAME TYPICAL FUEL FLOW DIAGRAM AIR INTAKE FUEL AIR MIXTURE INTO ENGINE CARBURETOR FIGURE 4 1 FUEL TANK Fill with a good grade of clean fresh regular or unleaded gasoline For cold weather operation use winter blend gasoline CAUTION DO NOT MIX OIL WITH GASOLINE REFUEL OUTDOORS WITH ENGINE STOPPED AND COOL Check to see that vent hole in fuel tank cap is not plugged FUEL VALVE The fuel vaive is located under the fuel tank as shown in Figure 4 1 This valve must be fully open for proper operation of the tractor FUEL FILTER The fuel filter is located in the fuel line near the engine The fuel filter is a disposable type in line filter that should be replaced when dirty To replace shut off the valve under the fuel tank Remove the filter from the fuel line and replace with a new one FUEL SYS
84. place the solenoid SWITCH TESTS Before the electrical test of any switch make sure the mechanical adjustments of its actuating mechanisms are correct SEAT SWITCH The seat switch is wired Normally Closed NC To test connect an ohm meter as shown in Figure 2 14 and depress plunger Meter should indicate zero resistance At the Normally Open position the meter should indicate an infinite reading FIGURE 2 14 BRAKE SWITCH Figure 2 15 The brake switch is wired Normaily Open NO To test connect an ohm meter and depress the switch plunger Meter should indicate zero resistance At Normally Open NO position the meter should indicate an infinite reading FIGURE 2 15 ELECTRICAL SYSTEM Continued MEDIUM FRAME SERIES TRACTOR TESTING ELECTRICAL SYSTEM ATTACHMENT DRIVE SWITCH When switch is in down OFF position check continuity between the middle terminal and top terminal on same side See Figure 2 16 Resistance should be zero When switch is in top ON position check continuity between the two middle terminals and bottom terminals on same side See Figure 2 16 Resistance should be zero FIGURE 2 16 DIODE TEST BRIGGS AND STRATTON ENGINES ONLY FIGURE 2 17 A continuity light or ohm meter can be used to check the diode If a continuity light is used connect it across the diode and note whether the light comes on then reverse leads The light should
85. r poor connections amp repair Refer to PTO section Attachment drive inoperative Attach ment light inoper ative Engine kills when Attachment drive switch is turned on 1 Attachment drive switch 2 Broken red wire between Attachment drive switch and key switch Check and replace if nec Check and replace if nec essary Refer to Attach ment switch test essary 1 No operator in tractor seat 2 Seat switch is not adjusted properly Seat switch must be acti vated by operator weight Adjust so switch is functional when operator is seated Continued operation of attachments when operator is not seated 1 Seat switch is not adjusted correctly 2 Seat switch 3 Broken wires 4 Attachment drive switch 5 Condensor e Adjust so switch is functional Check and replace if nec Connect or repair blue Check and replace if when operator is not seated essary Refer to seat switch test wires betweeen seat switch and Attachment drive Check and replace if nec essary Refer to attach ment drive switch test necessary ELECTRICAL SYSTEM Continued MEDIUM FRAME SERIES TRACTOR Page 2 3 5 78 ELECTRICAL SYSTEM WIRE COLOR CODE COLOR Black Black Yellow Red Red White Red Black Red Yellow Orange Yellow Yellow Red Blue Blue Black White White Green White Blu
86. rear engine mount bolts B 10 When ready to pull engine remove four boits from front engine supports to 1 4 6 mm 11 Engine serial number is located behind heat shield on rear of engine REINSTALLATION 1 Set engine on rubber mounts in rear lining up scribe line on front engine supports with frame and insert front four bolts A Insert proper mount spacers for engine height until a gap of 3 16 5 mm to 1 4 6 mm is reached between the bottom edge of the engine support and bottom edge of the side frame This dimension should be held at the front and rear of the engine support See Figure 7 1 Secure engine supports to frame holding dimension given above MEDIUM FRAME SERIES TRACTOR Page 7 4 Rev 4 90 ENGINE Continued MODEL 1058 1060 AND 1160 ENGINE REMOVAL AND REINSTALLATION CONT 2 Bring starter magneto rectifier electric clutch and ground wires through heat shield and connect to proper terminals 3 Pull fuel line through heat shield connect to fuel filter and open petcock 4 Pull choke and throttle cables through heat shield and connect adjustment may be needed to proper locations 5 Connect drive shaft and tighten the three bolts on the drive shaft coupling On hydrostatic models make sure the hub on the hydrostat is 5 16 8 mm away from the front face of the hydrostat On gear drive models make sure the hub on the right angle gear box is sl
87. rust Race Gear 56 Differential Cover Thrust Bearing Woodruff Key Gear 22T Needie Bearing Woodruff Key 22 Retaining Ring R H Axle Pinion Shaft Assembly 24T Pipe Plug Woodruff Key Thrust Race 24 Dowel Pin L H Axle Thrust Bearing Pinion 10T L H Transaxle Cover Needle Bearing Retaining Ring Oil Seal 3 R H Transaxle Cover 27 Pinion Shaft Lock Washer 3 8 28 Differential Carrier PHNOM AWN i L FIGURE 3 6 MEDIUM FRAME SERIES TRACTOR Page 3 8 Rev 11 90 DRIVE TRAIN Continued TRANSAXLE DISASSEMBLY HYDROSTATIC MODELS NOTE SEE TRANSAXLE REMOVAL PAGE 3 6 AND HYDROSTATIC REMOVAL PAGE 3 3 BEFORE SERVICING TRANSAXLE TRANSAXLE ASSEMBLY MUST BE REMOVED FROM TRACTOR AND HYDRO MUST BE REMOVED BEFORE TRANSAXLE CAN BE SERVICED NOTE OUTER AXLE BEARINGS CAN BE REPLACED WITHOUT DISASSEMBLING TRANSAXLE SEE PAGE 3 11 FOR PROCEDURE Remove right hand wheel assembly Remove brake disc from right hand end of pinion shaft Fig 3 7 2 Set transaxle on left hand wheel assembly and wedge a block A between the left hand wheel assembly and left hand transaxle cover B This block will prevent transaxle from sliding down axle during disassembly and will aid in alignment during re assembly A CAUTION DO NOT DISASSEMBLE WITH TRANSAXLE PROPPED ON RIGHT HAND WHEEL ASSEMBLY TRANSAXLE CANNOT BE REASSEMBLED FROM THIS SIDE 3 R
88. s available from the factory The Model 11 hydrostatic is a counter clockwise drive that is used on all Medium Frame Series tractors To identify locate the Serial IDENTIFICATION Number stamped in area on the NUMBERS charge pump The Eaton Model 11 hydrostatic pressure from its pump This fluid If the load increases so does the transmission is composed of four energy to its motor which in turn pressure of the fluid in the 4 major components a charge converts it back to mechanical transmission This change in load pump a variable displacement energy at its output shaft The and pressure automatically radial ball piston pump a fixed purpose of this transformation is changes the torque output of the displacement radial ball piston to provide an infinitely variable transmission The greater the load motor and a system of valves output speed with easy reversing pressure the more torque the located between the pump and all with a constant input speed transmission produces to match motor the load requirements If the load In operation the pressure of the is decreased pressure decreases The transmission converts fluid in the hydrostatic and torque output drops mechanical energy at its input transmission closed loop varies as shaft into fluid flow under the load increases or decreases HYDROSTATIC TRANSMISSION FLOW CHART DAMPENING PISTON 552 2 Xe Sh
89. system Any of these fluid conditions can only be corrected by replacement of the fluid and a flushing of the System with clean fluid prior to resumption of further testing or operation The presence of foam in the fluid or reservoir is asign of air in the hydraulic system which is the result of aleak in the suction section of the pump and connections or a high pressure internal leak Check fluid level 2 Check for metallic contamination in fluid 3 Smell for burnt odor or signs of overheating 4 The hydrostatic pressure can be checked using a pressure gauge which reads at least 1000 P S I hydrostatic Pressure Gauge Kit 1737386 is available at the factory To check the hydrostatic pressure install a tee between hydro and tube to the hydraulic lift valve at point A Figure 6 2 Connect pressure gauge to tee Start the engine and run for 5 10 minutes At full RPM the pressure reading should be 140 P S I 20 964 kPa If pressure is below 120 P S I hydrostatic charge pump may have excessive wear Repair per Eaton 1 manual To check the lift pressure move the hydraulic control valve lever to the lift position until the hydraulic cylinder reaches the end of its travel The pressure reading should be no less than 450 P S I 3100 kPa If the pressure reading is 450 to 550 P S I 3100 3790 kPa and the hydraulic cylinder does not operate properly check the fol lowing 8
90. t accumulation from cover and base plate Dry type elements should be replaced when no longer serviceable CARBURETOR Carburetor is adjusted at the factory and should not have to be reset If black exhaust is noted check the air cleaner first An overrich mixture is usually caused by a poorly serviced and or clogged air cleaner element not an improperly adjusted carburetor BRIGGS amp STRATTON CARBURETOR ADJUSTMENT 11 H P Figure 4 6 amp 4 7 Start engine and allow to warm up at 3000 RPM Turn needle valve in until engine misses lean mixture then turn it out past smooth operating point until engine runs unevenly rich mixture Turn needle valve to the FUEL SYSTEM Continued SERVICING TECUMSEH MODELS FIGURE 4 5 IDLE VALVE CASING CLAMP CLOSED CHOKE LEVER FIGURE 4 6 FUEL SYSTEM Continued mid point between rich and lean so engine runs smoothly Set throttle in idle position and set idle speed adjusting screw Figure 4 7 behind bracket until engine idle speed is 1750 RPM With throttle in idle position turn idle valve Figure 4 6 in lean and out rich until engine runs smoothly If necessary correct idle speed Move throttle up to fast engine should accelerate without hesitation or sputtering If engine does not accelerate properly the carburetor should be readjusted usually to a slightly richer mixture of the needle valve NOTE IF THE NEEDLE VAL
91. t too close Leaking carburetor or manifold gaskets REMEDY Clean fuel line Clean fuel system Adjust carburetor Clean gas cap vent Replace fuel pump Replace choke control Clean and tighten ignition connections Tighten manifold and carburetor Adjust idle speed Clean carburetor Adjust spark plug gap Replace gaskets ENGINE Continued MEDIUM FRAME SERIES TRACTOR Page 7 3 Rev 4 90 MODEL 1058 1060 AND 1160 ENGINE REMOVAL AND REINSTALLATION SCRIBE LINE 3 16 5 mm to 1 4 6 mm REMOVAL Remove all attachments and PTO kit 1 Remove hood and side panels 2 Disconnect negative battery cable 3 Disconnect starter red magneto blue 12 volt lead red and electric clutch purple wires and pull through heat shield 4 Disconnect engine ground wire black from battery support mounting hole on side of frame and pull through heat shield 5 Close fuel tank petcock disconnect fuel line at filter and pull through heat shield FIGURE 7 1 6 Disconnect choke and throttle cables at engine and pull through heat shield 7 Remove the three rubber mount driveshaft bolts at engine and disconnect the driveshaft 8 Scribe line on the front engine supports along frame for reinstallation alignment Loosen two bolts A on each side of the engine supports 9 Remove two
92. ti Purpose 1 2 Strokes Grease 4 Front Wheel Spindles 10 Hrs Multi Purpose 1 2 Strokes Grease 5 Steering Shaft 10 Hrs Multi Purpose 1 2 Strokes Use SC SD or SE SAE 30 rated oil if tractor is used under constant heavy load conditions in hot weather blade plow etc NOTE A hand type grease gun is recommended when greasing your unit HI PRESSURE TYPE GREASE GUNS could cause damage to the fittings and bearing seals Lubricate all linkages levers and pins not equipped with grease fittings with oil once a week or more often depending on operating conditions 1 3 Pt 1 4L Models 1058 1659 1668 1668L 2 3 1 4 Pt 1 5L Models 1258 1458 1658 1664 1858 3 3 1 2 Pt 1 6L Models 1669 16691 MEDIUM FRAME SERIES TRACTOR GENERAL Continued Page 1 10 5 85 TORQUE VALUE FOR CAP SCREWS 2 SAE GRADE 2 SAE GRADE 5 SAE GRADE 8 Lb In Nm Kgm Lb In Nm Lb in NM 1 4 20 49 108 1 4 28 56 63 86 87 10 120 Lb Ft 5 16 18 5 16 24 3 8 16 3 8 24 7 16 14 7 16 20 1 2 13 1 2 20 9 16 12 1 I E 110 9 16 18 130 5 8 11 d 170 5 8 18 A 180 3 4 10 280 3 4 16 5 320 7 8 9 E 2 460 7 8 14 500 1 8 5 680 1 12 gt 740 Conversion Formula To obtain Nm multiply ft Ibs by 1 355 To obtain Kgm multiply ft Ibs by 0 138 All torques 10 unless otherwise specified
93. tment is necessary remove the rod end from spindle Loosen jam nut A and turn in or out as necessary Adjust each side equally 3 After adjustment is obtained tighten hex nuts securely 4 With arm B positioned approximately 15 to the rear adjust drag link C till wheels are parallel to the centerline of the tractor STEERING ASSEMBLY If any repair work is needed on the Steering Assembly follow the instructions below Disassembly 1 Remove retaining ring D Figure 5 2 and slide the steering arm shaft out NOTE If further disassembly is needed drag link E must be disconnected NOTE Keep track of all shims and their locations when disassembling 2 Disassemble the steering wheel by removing roll pin E Figure 5 3 and washer 3 Remove the steering shaft assembly from the steering column 1 8 TO 3 8 INCH 3 9 5 mm LESS THAN AT REAR OF TIRES FIGURE 5 1 s ET W FIGURE 5 2 MEDIUM FRAME SERIES TRACTOR 5 2 Rev 4 90 STEERING ASSEMBLY CONT D NOTE It may be necessary to tap thesteering shaft down until flange bushing F is pushed out of the steering support casting REASSEMBLY 1 With flange bushing F slid onto the pinion shaft assembly route it through the casting and through the steering column bearing Slide on any needed shims at point G and secure the steering wheel with the roll pin E removed earlier
94. tor lift 4 Check side to side level by measuring distance between blade tip and floor Fig 8 2 If distance varies more than 1 16 1 56 mm from left hand side to the right hand adjustment is necessary 5 Raise mower with tractor lift and adjust side to side by turning clevis up or down on left hand side of mower Loosen jam nut B remove spring cotter and clevis pin C 6 Rotate clevis D 1 2 turn to achieve a 1 32 78 mm adjustment If side of mower is too low lengthen rod Shorten rod if too high 7 Reinstall clevis and spring cotter Tighten jam nut 8 Lower mower with tractor lift and check measurement again Readjust if necessary 9 Check front to rear leveling by measuring the distance from the blade tip E Fig 8 3 and the floor If distance varies more than 1 8 front to back adjustment is necessary Adjust as follows 10 Lift mower with tractor lift remove pins F and loosen jam nuts G on the tie rods 11 One turn of clevis H Fig 8 2 and 8 3 will vary the rod length approximately 1 16 1 56mm Shorten rod to raise front and lengthen to lower Adjust both rods same number of turns TRACTOR ATTACHMENTS Continued MOWER DECKS Models 18300 amp 18301 Early Models MEDIUM FRAME SERIES TRACTOR Page 8 1 ADD 6 81 Models 18335 amp 18336 AM Modeis 18300 amp 18301 INITIAL SET UP 18300 20 1 2 52 cm 18301 21 7 16 54 4 cm
95. ut off valve Close shut off valve M on bottom of tank 11 Disconnect fuel line at filter N and pull fuel tank line thru engine cradle This will prevent interference when removing engine 12 Remove two screws securing guard O to rear engine mounts Remove nut and bolt P from driveshaft Slide driveshaft off the ENGINE Continued VANGUARD ENGINE REMOVAL AND REINSTALLATION ur J E Ug 13 Remove nuts and bolts from mounts Q at rear of engine Figure 7 6 Remove same from mounts R at front of engine 7 5 ENGINE Continued 14 Lift engine assembly up and forward from tractor frame 15 Remove engine support cradle and miscellaneous parts from engine if necessary Save all hardware for reinstallation REINSTALLATION Figures 7 5 7 6 amp 7 7 1 Replace rubber isolator mounts in tractor frame if broken or otherwise deteriorated 2 Set engine on rubber mounts Install large washers S between engine support and rubber mounts 3 Install driveshaft to engine NOTE If the two piece driveshaft has been pulled apart look for aligning marks on the two halves when assembling 4 Install the four 3 8 x 2 1 4 bolts T with locknuts Figure 7 7 5 install the guard O Figure 7 6 to the engine mounts 8 Connect the fuel line at filter N Figure 7 5 and 7 6 NOTE The fuel line from the tank must be routed thru the
96. viewing the case cover unit from below and behind as it is mounted in the equipment RIGHT ANGLE DRIVES Early Models were not identified with a model number on the unit THE MODEL NUMBER WILL BE FOUND ON A Metal tag attached to unit as illustrated B Stamped on unit as illustrated DRIVE TRAIN Continued e i Repair work needed on the Peerless transaxle or Right Angle Gear Box shouid be done by an authorized Tecumseh Peerless Dealer during the warranty period For Gear Drive servicing information refer to the Mechanic s Handbook Tecumseh Peeriess Motion Drive Systems This manual is available from your local dealer or from the Tecumseh Products Company 900 North St Grafton WI 53024 The transaxle assembly is filled at the factory with SAE EP90 transmission fluid Check the fluid level once a year To check level park tractor on a flat surface and remove plug A on the front of the transmission If the fluid is not to plug level add at filler plug B until correct level is reached Oil capacity is 3 pts 1 4L TRANSAXLE REMOVAL Figs 3 24 amp 3 25 Remove seat and fender Prop up tractor frame at mid point Disconnect brake rod C and clutch rod D by removing washers and cotter pins Loosen two 2 belt guides E in frame Push idler F down and remove drive belt Remove shift lever knob Remove center transaxle mounting screw G MEDI
97. wer housing Remove inner flangette L from blower housing Remove impeller fan M by prying through opening of blower housing Fan should be indexed with opening as shown Applying heat hair dryer may be necessary at location N so housing will be more pliable Remove outer flangette O POWERPACKER PLUS Fig 8 20 MEDIUM FRAME SERIES TRACTOR TRACTOR ATTACHMENTS Continued Page 8 12 Rev 11 90 POWERPACKER PLUS CONT D BLOWER ASSEMBLY Fig 8 23 Install outer flangette O 2 Install impeller fan M through opening in blower housing Reverse step 6 in BLOWER DISASSEMBLY 3 Install impeller shaft J through impeller fan Install key P 4 Install inner flangette L 5 Install washers Q to impeller shaft Install bearing flanges amp bearings L to blower housing Install key R to exposed shaft Install pulley 1 8 Install mounting frame assy H to blower housing BLOWER RE INSTALLATION Fig 8 23 8 24 amp 8 25 A N Re install blower assembly F to mower deck Reverse step 5 in BLOWER REMOVAL 2 Re install chute assembly D 3 Install belt amp adjust Fig 8 21 amp 8 25 4 Re install belt guard Fig 8 20 5 Test run unit i Fig 8 24 Fig 8 25
98. y Refer to Figure 3 13 After the bearings and spacers are Make sure thrust washer is installed on cluster gear and slide shafts into the needle bearings 9 installed the right side housing can be bolted in place Apply a 1 32 0 8 mm bead of sealant around cover flange Keep bead to the inside of bolt holes Be careful not to damage axle seat Slide cover on and torque cap screws to 30 ft Ibs 40 N m MEDIUM FRAME DRIVE TRAIN Continued SERIES TRACTOR age 3 ev 11 TRANSAXLE RE ASSEMBLY PROCEDURE CONT D HYDROSTATIC MODELS 8 Fig 3 14 10 Install differential carrier axle Check exterior axle bearings in assembly into the left side ends of axle housings Service housing Be careful not to AXLE HOUSING these bearings the same as damage axle seal when installing NEEDLE BEARING interior bearings Exterior it in end of housig Make sure all ASSEMBLY bearings should be seated 1 32 shims and washers are in place to 1 16 0 78 1 57 mm below as they were when removed See counter bore for the axle seal Fig 3 15 for reference NOTE Exterior axle bearings can be serviced without disassembling transaxle 9 Axle seals should be replaced whenever unit is repaired Use a seal driver to drive seals until they bottom in axle housing counter bore NOTE REFER TO PAGES 3 12 amp 3 13 FOR BEARING AND SEAL INSTALLATION PROCEDURES AXLE SEAL Fig 3 14 BEVEL GEAR 56T PINION SHAFT 24

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