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HYDRAULICS

8D-11

REMOVAL

1. Shut down the engine and remove the ignition

key. Allow the engine to cool completely.

2. Drain the hydraulic tank.

3. Remove the seat and seat pan.

4. Remove the drive shaft assembly.

5. Thoroughly clean the auxiliary pump, especially

the area surrounding the hydraulic hoses, tubes

and fittings.

6. Tag and disconnect the hydraulic hoses and tubes

from the traction pump and reel pump. Immedi-

ately plug the hoses, tubes and pumps to prevent

contamination of the hydraulic system.

7. While supporting the traction pump and reel

pump, remove the mounting bolts, nuts, washers,

and mounting bracket.

8. Remove the traction pump and reel pump from the

frame.

9. Remove the two socket head capscrews that

secure the reel pump to the traction pump.

10.Remove the reel pump and o-ring from the trac-

tion pump. Discard the o-ring.

DISASSEMBLY

Control Group and Valve Plate

1. Place traction pump on a workbench with input

shaft down.

2. Completely loosen, but do not remove socket

head capscrews.

3. Remove the valve plate/charge pump and rear

valve plate as an assembly (Figure 8D-3)

Figure 8D-3. Control Group and Valve Plate Disassembly

Socket Head
Cap Screws

Valve Plate/Charge
Pump and Rear
Plate Assembly

Gasket

Main Case
and Input
Shaft

Gasket

Control Pin

O-Ring

Control
Housing

O-Ring

Valve Plate
Disassembly

Control Group
Disassembly

Содержание Jacobsen Super LF 1880 Fairway Mower with ROPS

Страница 1: ...correctly used this machine can cause severe injury Those who use and maintain this machine should be trained in its proper use warned of its dangers and should read the entire manual before attemptin...

Страница 2: ......

Страница 3: ...RODUCTION CONTROLS ENGINE DRIVE TRAIN BRAKE SYSTEM STEERING WHEELS AND TIRES HYDRAULICS CHASSIS ELECTRICAL SYSTEM PREVENTIVE MAINTENANCE ATTACHMENTS OPTIONS MISCELLANEOUS 1 2 3 4 5 6 7 8 9 10 11 12 13...

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Страница 5: ...SECTION 1 INTRODUCTION 1A General Information 1 Contents 1 Registration 1 Index Numbers 1 Replacement Parts 1 Specifications 2 Serial Numbers 4 General Cleaning 4 Safety 4 Torque Values 5 1...

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Страница 7: ...are used throughout this manual and refer to the oper ator s left or right when sitting in the normal operating position REGISTRATION A registration card is provided in the back of this man ual bottom...

Страница 8: ...ow idle rpm 1750 no load Lubrication Capacity 5 4 qt 5 1 liters Type SAE 10W30 API Classification Liquid cooled Air Filter Dry type with service indicator Alternator 40 amp Cooling system Liquid Coole...

Страница 9: ...owered Rear Roller Cleaner Brush 67929 Turf Groomer 1 2 Spacing 68926 2 Post ROPS 66185 Canopy Requires 2 Post ROPS 66184 4WD Field Conversion Kit 67931 Reels 11 Blade Reed 67932 8 Blade Reel 68933 Ve...

Страница 10: ...and dangers These cautions warnings and danger decals must be on the machine at all times If they become worn torn or painted over new decals should be installed as shown in Section 14A of this manual...

Страница 11: ...0 234 286 ft lbs 317 388 Nm 5 16 24 17 21 ft lbs 23028 Nm 3 4 16 270 330 ft lbs 366 447 Nm 3 8 16 27 33 ft lbs 37 45 Nm 7 8 9 360 440 ft lbs 488 597 Nm 3 8 24 31 39 ft lbs 42 53 Nm 7 8 14 396 484 ft l...

Страница 12: ......

Страница 13: ...red 1 2B Failure Analysis 3 General 3 2C Control Adjustments 5 General 5 Throttle 5 Neutral And 4WD Cut Out Switches 6 Traction Pedal Speed Limiter 7 Maximum Transport Speed 7 Parking Brake 8 Brake In...

Страница 14: ......

Страница 15: ...TION 2A REPAIR AND SERVICE TOOLS AND MATERIALS MATERIALS REQUIRED l Tools required Standard automotive hand tools Cleaning materials Stoddard solvent or equivalent Detergent and water Lubricants Refer...

Страница 16: ......

Страница 17: ...f adjustment a Adjust traction Section 2C 4 Parking brake fails a Brake not adjusted b Worn brake shoes c Damaged or broken linkage a Adjust brake Section 2C b Replace pads Section 5C c Repair as nece...

Страница 18: ......

Страница 19: ...in the high speed posi tion with 0 0625 0 25 inch 2 6 mm gap between lever and panel 3 Place the engine throttle lever against the max speed screw 4 Adjust the throttle cable nuts until the cable eyel...

Страница 20: ...and replace the switch before operating the tractor 3 Adjust the pointer by loosening the jam nut and turning the adjustment screw while holding the adjustment nut 4 Tighten jam nut against adjusting...

Страница 21: ...oad and the throttle is adjusted correctly NOTE The following adjustment is a forward transport speed Figure 2C 5 See Traction Pedal Speed Limiter for adjusting mowing speed Figure 2C 5 Traction Pedal...

Страница 22: ...ut Figure 2C 9 3 Disconnect the brake return spring Figure 2C 8 at the caliper Figure 2C 8 Parking Brake 4 Pull the cable behind the lower cable adjusting nut Figure 2C 9 away from the pedal until bra...

Страница 23: ...The switch is mounted on the front axle directly behind the lift arm If the reels continue to run when lifted or do not run when lowered inspect the switch Adjust or replace the switch as needed Figu...

Страница 24: ...witch Figure 2C 13 until the contacts open Secure the switch to maintain the setting 8 Manually lower the lift arm The switch contact should close when the lift arm drops below 30 Figure 2C 13 Figure...

Страница 25: ...ttery ground black cable 2 Label the wires for proper identification and dis connect wiring 3 Remove the attached hardware and replace the component 4 Using the labels created in Step 2 install the ha...

Страница 26: ......

Страница 27: ...rials Required 1 3B Failure Analysis 3 General 3 3C General Instructions 5 Contents 5 Exhaust System 5 3D Engine 7 General 7 Engine Belt 7 Engine Oil 8 Air Cleaner 8 Radiator Service 10 Exhaust System...

Страница 28: ......

Страница 29: ...IALS MATERIALS REQUIRED l Tools required Standard automotive hand tools Cleaning materials Stoddard solvent or equivalent Detergent and water Anti rust Never Seize Lubricants Refer to Section 11 Other...

Страница 30: ......

Страница 31: ...es Section 3D e Replace fuse f Test and replace relay Section 10 g Check position of the pedal h Adjust or replace the switch Section 2 and Section 10 2 Engine is hard to start or runs poorly a Fuel l...

Страница 32: ......

Страница 33: ...operation e g exhaust system air cleaner radiator Removal and installation of the engine is cov ered in this manual Engine repair is not included in this manual refer to the manufacturer s instructio...

Страница 34: ......

Страница 35: ...he alternator pulleys to 0 25 to 0 31256 in 6 to 8 mm with a deflection of 20 lbs Push at the midpoint between pulleys Figure 3D 1 See the engine manufacturer s manual Figure 3D 1 Alternator Mounting...

Страница 36: ...gauge indicates air filter restriction Removing the air filter increases the possibility of dust dirt and contaminant entering the engine The cyclonic action of air moving through the air cleaner dep...

Страница 37: ...er housing Figure 3D 5 3 Inspect the air inlet and intake hoses for wear and damage replace all damaged hoses Ensure the hose clamps secure the hoses without leaks 4 Inspect the new filter element Do...

Страница 38: ...on on disposal methods 3 With the petcock open flush the inside of the radi ator with fresh water 4 Fill the radiator with a 50 50 mixture of good qual ity antifreeze and clean fresh water 5 Install t...

Страница 39: ...bolts on each side of the shroud Remove the shroud and coolant reservoir 8 While supporting the radiator remove three mounting bolts on each side of the radiator 9 Carefully remove the radiator from...

Страница 40: ...ust screen over the radiator and hydraulic oil cooler Secure the screen with the knobs 8 Using the instructions in the Safety and Operation manual start the engine and allow the engine to warm to oper...

Страница 41: ...sel fuel is flammable handle with care Use an approved container with a spout that will fit inside the fuel filler neck Avoid using unapproved containers to transport fuel Keep all fuel containers cle...

Страница 42: ...ecure with a clamp ring 10 Open the fuel filter valve Figure 3D 11 Figure 3D 11 Closed Fuel Valve 11 Purge any air from the fuel system after installing the new filter Purging the Fuel System NOTE Ref...

Страница 43: ...the clamp 7 Remove the air cleaner assembly 8 Remove the exhaust assembly 9 Tag and disconnect the wiring harness at the fuel solenoid starter oil sender coolant temperature sender and alternator Remo...

Страница 44: ...stall the battery and hold down clamp Install the positive battery clamp first and then the negative clamp 13 Purge air from the fuel system 14 Using the instructions in the Safety and Operator s manu...

Страница 45: ...ENGINE 3D 17 Figure 3D 13 Engine Components Fuel Filter Throttle Cable and Housing Clamp Air Clean Assembly Battery Fuel Hose Clamp and Engine Mount Alternator Radiator Hoses Drive Shaft...

Страница 46: ......

Страница 47: ...SECTION 4 DRIVE TRAIN 4A Repair and Service Tools and Materials 1 Materials Required 1 4B Failure Analysis 3 General 3 4C Hydro Drive Shaft 5 General 5 Service 5 4...

Страница 48: ......

Страница 49: ...IN 4A 1 SECTION 4A REPAIR AND SERVICE TOOLS AND MATERIALS MATERIALS REQUIRED l Tools required Standard automotive hand tools Cleaning materials Stoddard solvent or equivalent Lubricants Refer to Secti...

Страница 50: ......

Страница 51: ...causes and suggested remedies with section refer ences to detailed descriptions of remedial procedures PROBLEM PROBABLE CAUSE REMEDY 1 Drive shaft loose a Universal joints worn a Change Section 4C 2 M...

Страница 52: ......

Страница 53: ...Shaft 2 Slide the drive shaft off the drive pump splined shaft Disassembly NOTE Note the position and depth of the bearing caps in the ears 1 Position the u joint on a vise as shown in Figure 4C 2 Fig...

Страница 54: ...the ears The bearing caps should be pressed evenly until the bearing cap rubber seal completely covers the cross shaft 5 Remove the yoke from the vise and check for free movement of the bearing in th...

Страница 55: ...SECTION 5 BRAKE SYSTEM 5A Repair and Service Tools and Materials 1 Materials Required 1 5B Failure Analysis 3 General 3 5C Parking Brake 5 General 5 Cables 5 5...

Страница 56: ......

Страница 57: ...5A REPAIR AND SERVICE TOOLS AND MATERIALS MATERIALS REQUIRED l Tools required Standard automotive hand tools Cleaning materials Stoddard solvent or equivalent Lubricants Refer to Section 11 Other ser...

Страница 58: ......

Страница 59: ...rking brake does not hold tractor in position when the engine is off a Brake is misadjusted b Worn brake pads c Broken or work brake cable a Adjust brake Section 5C b Replace pads Section 5C c Replace...

Страница 60: ......

Страница 61: ...al and the actuating lever When pushed the brake pedal pulls on the cables which pulls the actuat ing lever The actuating lever has a cam type lobe which pushes the inner support plate and pad against...

Страница 62: ...ct the brake disc and hub for grooves excessive wear and damage Replace the hub and brake disc as necessary Assembly 1 Assemble the caliper actuating lever spring retainer pads and support plate Figur...

Страница 63: ...6C Steering Unit 5 General 5 Removal 5 Steering Valve Disassembly 6 Steering Valve Inspection 7 Steering Valve Assembly 7 Installation 10 6D Steering Cylinder 11 General 11 Removal 11 Disassembly 12 I...

Страница 64: ......

Страница 65: ...Tools required Standard automotive hand tools Cleaning materials Stoddard solvent or equivalent Lubricants Refer to Section 11 Other service items 6 pieces 0 007 in 0 18 mm shim stock 0 5 in 13 mm wid...

Страница 66: ......

Страница 67: ...ng cylinder internal leakage d Steering wheels out of adjust ment a Tighten Section 7C b Tighten or repair Section 9F c Repair Section 6D d Adjust Section 6E 4 Hard steering in one direc tion a Intern...

Страница 68: ...TEERING 6B 4 7 No steering a Steering relief stuck open b Steering unit excessive inter nal leakage c Steering cylinder a Test Section 8N b Test Section 8 c Test Section 8 PROBLEM PROBABLE CAUSE REMED...

Страница 69: ...leak ing during hydraulic system service and repair If a drain pan is used to drain the hydraulic tank dispose of the hydraulic oil and fill with clean oil when service or repair is completed 1 Using...

Страница 70: ...ve the nine needle rollers 5 see Figure 6C 2 4 Carefully remove the port manifold 6 Be pre pared to catch the three springs 7 Remove the springs Figure 6C 2 5 Remove the valve ring 8 valve plate sprin...

Страница 71: ...lways replace springs as a set 2 Inspect the finished ground surfaces of all the components 3 Inspect the slot edges and surface for nicks scor ing and rounding NOTE The valve ring 8 and valve plate 9...

Страница 72: ...t head cap screws 1 see Figure 6C 3 NOTE Do not tighten the capscrews 1 13 Place the metering ring 15 on a hard flat surface see Figure 6C 2 14 Place the assembled metering package in the center of me...

Страница 73: ...in der up in the valve ring 8 aligning the spring slots with the springs Install the seal ring 3 25 Place three 0 75 in 19 05 mm springs 7 in the port manifold 6 as shown 26 Carefully place the port m...

Страница 74: ...alve assembly 5 into the port cover 2 Figure 6C 7 Alignment Grooves INSTALLATION 1 Place the steering valve in the steering unit bracket with the four studs protruding through the bracket 2 Install th...

Страница 75: ...clean the area surrounding the steer ing cylinder especially the hydraulic hose fittings 4 Tag and remove hydraulic hoses from the steering cylinder Immediately plug the hose ends and cyl inder to pre...

Страница 76: ...el for dents and lines or grooves inside 4 Inspect the fittings for wear and damage Figure 6D 3 Steering Cylinder Disassembly WARNING Use appropriate eye protection when using com pressed air for clea...

Страница 77: ...t 3 Install the ball joint on the steering arm and secure with the castle nut and cotter pin 4 Using the tags created during disassembly con nect the hydraulic hoses to the cylinder 5 Start the machin...

Страница 78: ......

Страница 79: ...5 in 1 5 mm S see Figure 6E 1 Align the ball joints and tighten the jam nuts 4 After adjusting the tie rod adjust the steering cyl inder by threading the ball joint T in or out so the spindle arm clea...

Страница 80: ......

Страница 81: ...SECTION 7 WHEELS AND TIRES 7A Repair Service Tools and Materials 1 Materials Required 1 7B Failure Analysis 3 General 3 7C Tire Service 5 General 5 Service 5 7...

Страница 82: ......

Страница 83: ...RIALS MATERIALS REQUIRED l Tools required Standard automotive hand tools Cleaning materials Stoddard solvent or equivalent Lubricants Refer to Section 11 Other service items Commercial tire sealant Ti...

Страница 84: ......

Страница 85: ...tire pressure to 10 12 psi 69 83 kPa 2 Tractor wanders a Under inflated tires b Malfunctioning tractor motor c Steering malfunctioning d Wheel nuts loose e Steer wheels out of adjust ment a Inflate t...

Страница 86: ......

Страница 87: ...ure to the desired level for opera tion Figure 7C 1 NOTE Never use grease or oil on the wheel rim when mounting tires Mounting leaks around the tire bead can be repaired using commercial sealants avai...

Страница 88: ......

Страница 89: ...14 Assembly 15 Installation 18 8E Front Traction Motor 19 General 19 Removal 19 Repair 19 Installation 22 8F Rear 4 Wheel Drive Traction Motor 23 General 23 Removal 23 Repair 23 Installation 26 8G 4...

Страница 90: ...s a Safety Reminder 45 Preliminary Checks 45 Hydrostatic Charge Pump Test 45 Hydrostatic Traction System Test 45 Lift System Test 46 Power Steering System Test 47 Mower Reel Mower System Test 48 Tract...

Страница 91: ...nd Figure 8A 2 Cleaning materials Stoddard solvent or equivalent Detergent and water Loctite Locquic Primer T Lubricants Refer to Section 11 Other service items Seal and Repair Kits available from Jac...

Страница 92: ...HYDRAULICS 8A 2 Figure 8A 2 Wheel Restraint 12 1 2 2 12 14 16 36 12 2 1 Pipe 13 1 2 Long 1 Pipe Cut to Fit Between Runners 3 4 NC Ready Rod 15 Long 2 3 4 NC Nuts Two Cargo Straps 3 Wide 12 Long...

Страница 93: ...ge pressure Section 8O e Repair f Repair Section 8O 2 No traction in either direction a Oil supply b Faulty charge pump c Faulty charge relief d Tow valve open e Traction motor faulty f Faulty crossov...

Страница 94: ...ge pressure Section 8O Charge pump relief faulty Section 8D Internal charge pump dam aged replace c Close tow valve d Repair Section 8D e Repair Section 8D 5 No 4 wheel drive a Faulty 4 wheel drive va...

Страница 95: ...and air blown dry before beginning repair or reassembly Perform repair procedures in a clean work area using clean tools Do not force or pry components apart or together Light tapping with a plastic m...

Страница 96: ...hose nut This will avoid damaging the fitting seal When tightening a hose do not permit it to twist hold it in a normal straight position 2 When installing mower hoses place the fittings at angles to...

Страница 97: ...r compo nents see Figure 8C 3 Figure 8C 3 ORS Face Seal Fitting A B C Tubing O D or Hose I D Thread Size Jacobsen Part No 1 8 5 16 24 459290 3 16 3 8 24 459291 1 4 7 16 339896 5 16 1 2 20 459293 1 2 3...

Страница 98: ...1 339908 6 12 339909 8 14 339910 10 16 339911 12 18 339912 16 21 339913 20 25 339914 24 29 339915 SAE Dash Size Thread Size Tube O D Torque In lbs 3 N A N A 4 9 16 0 250 120 144 5 N A N A 6 11 16 0 37...

Страница 99: ...posite direc tion oil flows to the opposite side of the traction motors turning the motor and attached wheels The direction of swashblock swivel is controlled by the traction pedal and pump control ar...

Страница 100: ...sembly Control Housing Rear Cover Not Used on LF 1880 Rear Valve Plate Assembly PTO Coupling Main Case Input Shaft Gerotor Pump Valve Plate Charge Pump Assembly Rotating Group Swashblock Rear Valve Pl...

Страница 101: ...bolts nuts washers and mounting bracket 8 Remove the traction pump and reel pump from the frame 9 Remove the two socket head capscrews that secure the reel pump to the traction pump 10 Remove the ree...

Страница 102: ...igure 8D 4 Valve Plate and Gerotor Pump Disassembly Steering Relief Valve Rear Valve Plate Bypass Pressure Relief Valve Bushing O Rings Coupler Gerotor Pump Retaining Ring Valve Plate Tow Valve Cross...

Страница 103: ...ng Group Figure 8D 5 Rotating Group Disassembly Drive Shaft Group Figure 8D 6 Drive Shaft Group Disassembly Cylinder Barrel Shoe Retainer Spring Ball Fulcrum Shoe Retainer Pistons Retaining Ring Hydro...

Страница 104: ...ill have no end play with the shoe free to rotate and pivot on the piston ball Check each shoe for proper thickness See Figure 8D 8 All shoes must be equal within 0 001 0 025 mm The shoes should be re...

Страница 105: ...gure 8D 9 Figure 8D 9 Swashblock Group Assembly Drive Shaft Group NOTE When installing the bearing press on the outer face Install with numbers on bearing to the out side Figure 8D 10 Figure 8D 10 Dri...

Страница 106: ...TE Do not force pistons into barrel The pistons should fit loosely Figure 8D 11 Rotating Group Assembly Valve Plate Gerotor Pump Rear Plate Assembly See Figure 8D 12 for valve plate gerotor pump and r...

Страница 107: ...RAULICS 8D 17 Control Group Assembly See Figure 8D 13 for control group assembly Figure 8D 13 Control Group Assembly Gasket Control Pin O Ring Control Housing O Ring Arm and Pintle Traction Pump Assem...

Страница 108: ...ing tags created during disassembly remove plugs and connect hoses to the traction pump and reel pump 4 Install the drive shaft on the traction pump input shaft and engine 5 Replace the hydraulic oil...

Страница 109: ...hub and key 6 Thoroughly clean the motor especially the area surrounding the hydraulic fittings 7 Tag and disconnect the hydraulic hoses from the motor Immediately plug the hoses and motor to prevent...

Страница 110: ...NOTE During assembly position the seals seal rings and backup ring properly see Figure 8E 4 Figure 8E 4 Seal Assemblies Outer Face Seal Spring Pin Capscrews Port Manifold Cover Balance Ring Valve Val...

Страница 111: ...Install the shaft face seal as shown in Figure 8E 6 Place the wear plate on the flange end Figure 8E 6 Installation of Face Seal 9 Continue to assemble as shown in Figure 8E 7 Figure 8E 7 O Rings and...

Страница 112: ...nstall four capscrews and tighten to 36 to 37 ft lbs 49 to 50 Nm torque INSTALLATION 1 Position motor in the front axle 2 While supporting the motor install four mounting bolts and lock washers 3 Remo...

Страница 113: ...nd key 6 Thoroughly clean the motor especially the area surrounding the hydraulic hoses 7 Tag and disconnect the hydraulic hoses from the motor Immediately plug the hoses and motor to prevent contamin...

Страница 114: ...OTE During assembly position the seals seal rings and backup ring properly see Figure 8F 4 Figure 8F 4 Seal Assemblies Outer Face Seal Spring Pin Capscrews Port Manifold Cover Balance Ring Valve Valve...

Страница 115: ...Install the shaft face seal as shown in Figure 8F 6 Place the wear plate on the flange end Figure 8F 6 Installation of Face Seal 9 Continue to assemble as shown in Figure 8F 7 Figure 8F 7 O rings and...

Страница 116: ...light spring load 14 Install four capscrews and tighten to 38 ft lbs 49 to 59 Nm INSTALLATION 1 Position the motor in the motor mount and secure with four bolts and lock washers 2 Remove the plugs and...

Страница 117: ...hers securing the bracket to the valve 7 Remove the valve REPAIR The 4 wheel valve repairs are limited to changing o rings backup rings and coil The valve can be replaced as an assembly see Figure 8G...

Страница 118: ......

Страница 119: ...Thoroughly clean the auxiliary pump especially the area surrounding the hydraulic hoses tubes and fittings 4 Tag and disconnect the hydraulic hoses and tubes from the auxiliary pump Immediately plug...

Страница 120: ...ving studs and bolts disassemble pump one section at a time Before removing gear set mark a line across the meshing teeth to ensure that the gears are reassembled in the same position see Figure 8H 4...

Страница 121: ...ng each sec tion to make sure there is no binding between parts 6 Use extreme care when installing the shaft seal The shaft seal must sit squarely in the seal bore Wrap the shaft and keyway with a pla...

Страница 122: ......

Страница 123: ...and disconnect the wiring harness connectors from both solenoids 6 While supporting the valve remove two mounting screws and lock washers from the bottom of the valve 7 Remove the valve from the mowe...

Страница 124: ......

Страница 125: ...dry exterior of cylinder 2 Drain the oil from the cylinder 3 Disassemble the lift cylinder see Figure 8J 1 Figure 8J 1 Lift Cylinder Disassembly a Remove rod guide lock ring Figure 8J 2 Figure 8J 2 G...

Страница 126: ...assembly from the cylinder body Figure 8J 7 Figure 8J 7 Rod Assembly ASSEMBLY 1 Lightly lubricate o rings backup rings and seals with clean hydraulic oil 2 Install seal kit as shown in Figure 8J 8 NO...

Страница 127: ...Assembly d Push the rod guide into the cylinder approxi mately 0 75 in Figure 8J 12 Figure 8J 12 Rod Guide e Install the large snap ring Figure 8J 13 Figure 8J 13 Lock Ring f Pull the rod and guide o...

Страница 128: ......

Страница 129: ...contamination of the hydrau lic system 4 Tag and disconnect both solenoid wiring harness connectors 5 While supporting the valve remove two mounting screws and lock washers from the bottom of the valv...

Страница 130: ......

Страница 131: ...e motor fittings Immediately plug the hoses and motor to prevent contamination of the hydraulic system INSTALLATION 1 Remove plugs and using tags created during removal connect the hydraulic hoses to...

Страница 132: ......

Страница 133: ...g area 4 Carefully remove the oil cooler rubber iso mounts 5 Tag and disconnect the oil cooler hydraulic hoses Immediately plug the hoses and oil cooler to pre vent contamination of the hydraulic syst...

Страница 134: ......

Страница 135: ...r indicating excessive heat If any of the above symptoms appear or if the hydraulic oil becomes contaminated or after a major component failure the system should be flushed the oil changed and a new f...

Страница 136: ...s Conclusion If the reels do not drop the lift system has no internal leakage If any of the reels show signs of dropping proceed with the test NOTE Use a floor jack and board to support the reel being...

Страница 137: ...hissing sound is heard after steering the maximum right and or left the steering unit is not at fault If the steering wheel continues to turn proceed with the test 2 Remove both hydraulic hoses from t...

Страница 138: ...ected from the case drain in one minute Conclusion If oil from the case drain is within a half pint per minute the motor is not at fault proceed with an instrument test Section 8O If the oil from the...

Страница 139: ...he case drain is more than 1 1 2 pints per minute the motor may be faulty and should be repaired or replaced 9 Remove the separate hose from the motor and plug from the hydraulic hose Connect the hydr...

Страница 140: ......

Страница 141: ...record has been provided at the end of this sec tion Make copies of the record for future use Use the form to record test results NOTE An in line tester Figure 8O 1 is used in this sec tion to measure...

Страница 142: ...arge relief valve may need cleaning or replacement 5 Shut down engine and remove ignition key Relief Valve NOTE The charge relief valve Figure 8O 2 cannot be repaired or adjusted Replace if damaged or...

Страница 143: ...rge relief valve cannot be repaired or adjusted Replace if damaged or faulty Figure 8O 3 6 Remove steering system relief valve plug spring and cone Inspect for sediment or debris and dam age Clean or...

Страница 144: ...y be at fault Proceed to with test 6 Shut down the engine and remove the ignition key 7 Remove the hydraulic hoses from the lift cylinders Figure 8O 4 and plug the hoses Cap the lift cyl inder ports 8...

Страница 145: ...relief valve should open at approximately 500 psi 3445 kPa Conclusion If the relief valve opens within range the lower relief valve is not faulty If the relief valve does not open within range replace...

Страница 146: ...valve opens within range the relief valve and reel auxiliary hydraulic pump are not at fault A reel motor may be at fault Remove the plugs and connect the hoses to the reel motors one at a time and re...

Страница 147: ...of 1000 psi 6894 kPa is obtained record flow indi cation b 7 Subtract flow indication b from flow indication ba The result is the charge pump leakage Conclusion If leakage is less that gpm 3 8 lpm pu...

Страница 148: ...ot at fault If relief pressure is not within range in one or both directions the steering relief valve or steering cylinders may be faulty 11 Remove test equipment and connect hose to trac tion pump F...

Страница 149: ...o load flow indication c 5 Slowly close tester load valve until 1000 psi 6894 kPa is indicated on the pressure gauge Record flow indication d 6 Subtract flow indication d from flow indication c The re...

Страница 150: ...section two no load flow indication e 5 Slowly close tester load valve until 1000 psi 6894 kPa is indicated on the pressure gauge Record flow indication f 6 Subtract flow indication f from flow indic...

Страница 151: ...n three no load flow indication g 5 Slowly close tester load valve until 1000 psi 6894 kPa is indicated on the pressure gauge Record flow indication h 6 Subtract flow indication h from flow indication...

Страница 152: ...Reel Motor Relief __________psi __________psi __________psi __________psi 1160 psi 7997 kPa 1500 psi 1033 bar 1160 psi 7992 kPa 3000 psi 2067 bar Flow Test Results Charge Pump _____gpm Flow b _____gpm...

Страница 153: ...TIONS Figure 8P 1 Component Locations Lift Cylinder Rear Traction Motor Rear Traction Motor Oil Cooler Traction Pump Reel Auxiliary Pump Hydraulic Tank Hydraulic Filter Front Traction Motor Front Trac...

Страница 154: ...OLOR CODES Use the following table to define the color coding used in the hydraulic schematics Table 8P 1 Hydraulic Color Guide Color Code Green Suction Blue Return Free Flow Yellow Metered Oil Orific...

Страница 155: ...k Bypass 30 psi Crack Bypass Return Filter Oil Cooler 60 ci 60 ci 60 ci 60 ci 60 ci 3000 psi A B P T Rear Reel Valve 3000 psi 1 2 3 4 6 8 9 10 G P T T Left Front Cylinder Center Cylinder Left Rear Cyl...

Страница 156: ...i Crack Bypass 30 psi Crack Bypass Return Filter Oil Cooler 60 ci 60 ci 60 ci 60 ci 60 ci 3000 psi A B P T Rear Reel Valve 3000 psi 1 2 3 4 6 8 9 10 G P T T Left Front Cylinder Center Cylinder Left Re...

Страница 157: ...i Crack Bypass 30 psi Crack Bypass Return Filter Oil Cooler 60 ci 60 ci 60 ci 60 ci 60 ci 3000 psi A B P T Rear Reel Valve 3000 psi 1 2 3 4 6 8 9 10 G P T T Left Front Cylinder Center Cylinder Left Re...

Страница 158: ...i Crack Bypass 30 psi Crack Bypass Return Filter Oil Cooler 60 ci 60 ci 60 ci 60 ci 60 ci 3000 psi A B P T Rear Reel Valve 3000 psi 1 2 3 4 6 8 9 10 G P T T Left Front Cylinder Center Cylinder Left Re...

Страница 159: ...i Crack Bypass 30 psi Crack Bypass Return Filter Oil Cooler 60 ci 60 ci 60 ci 60 ci 60 ci 3000 psi A B P T Rear Reel Valve 3000 psi 1 2 3 4 6 8 9 10 G P T T Left Front Cylinder Center Cylinder Left Re...

Страница 160: ...Crack Bypass 30 psi Crack Bypass Return Filter Oil Cooler 60 ci 60 ci 60 ci 60 ci 60 ci 3000 psi A B P T Rear Reel Valve 3000 psi 1 2 3 4 6 8 9 10 G P T T Left Front Cylinder Center Cylinder Left Rear...

Страница 161: ...Crack Bypass 30 psi Crack Bypass Return Filter Oil Cooler 60 ci 60 ci 60 ci 60 ci 60 ci 3000 psi A B P T Rear Reel Valve 3000 psi 1 2 3 4 6 8 9 10 G P T T Left Front Cylinder Center Cylinder Left Rear...

Страница 162: ...ass 30 psi Crack Bypass Return Filter Oil Cooler 60 ci 60 ci 60 ci 60 ci 60 ci 3000 psi A B P T Rear Reel Valve 3000 psi 1 2 3 4 6 8 9 10 G P T T Left Front Cylinder Center Cylinder Left Rear Cylinder...

Страница 163: ...pass 30 psi Crack Bypass Return Filter Oil Cooler 60 ci 60 ci 60 ci 60 ci 60 ci 3000 psi A B P T Rear Reel Valve 3000 psi 1 2 3 4 6 8 9 10 G P T T Left Front Cylinder Center Cylinder Left Rear Cylinde...

Страница 164: ...Bypass 30 psi Crack Bypass Return Filter Oil Cooler 60 ci 60 ci 60 ci 60 ci 60 ci 3000 psi A B P T Rear Reel Valve 3000 psi 1 2 3 4 6 8 9 10 G P T T Left Front Cylinder Center Cylinder Left Rear Cylin...

Страница 165: ...lysis 3 General 3 9C Fuel Tank 5 General 5 Removal 5 Installation 5 9D Hydraulic Tank 7 General 7 Removal 7 Installation 8 9E Lift Assembly and Cylinder 9 General 9 Removal 9 Inspection 9 Installation...

Страница 166: ......

Страница 167: ...REQUIRED l Tools required Standard automotive hand tools including bearing pullers Cleaning and refinishing materials Stoddard solvent or equivalent Detergent and water Paint Jacobsen orange Paint Ja...

Страница 168: ......

Страница 169: ...draulic charge pump faulty d Hydraulic cylinder is not func tioning e Lift and lower control valve is malfunctioning a Check joystick Section 10G b Replace lines Section 8C c Test pump Section 8N or S...

Страница 170: ......

Страница 171: ...k switch con nector located underneath the seat 5 Carefully remove the seat and seat pan 6 Tag and disconnect the fuel return hose and fuel outlet hose Immediately plug the hoses and tank to prevent c...

Страница 172: ...CHASSIS 9C 6 Figure 9C 1 Fuel Tank Removal Installation Fuel Tank Mounting Bolts Seat Pan Mounting Bolts Fuel Hose Seat Pan Mounting Bolts Seat Pan Seat Fuel Tank...

Страница 173: ...n draining the hydraulic oil If a portable filter is not available the oil should be drained into a clean container and filtered for use If filtering is not available dispose of the hydraulic oil and...

Страница 174: ...Install the control panel on the hydraulic tank cover 7 Connect the negative battery cable on the battery 8 Position the seat and seat pan between the fuel tank and the hydraulic tank Insert the seat...

Страница 175: ...Assembly and Cylinder INSPECTION Inspect the lift arm lift yoke extension springs and arm and pivot yoke for sloppy or loose operation Figure 9E 2 Figure 9E 2 Lift Arm Assembly Replace damaged or worn...

Страница 176: ......

Страница 177: ...mounting shaft from the axle and frame 6 Inspect and repair or replace the following compo nents as necessary Figure 9F 1 Tie rod Ball joints Steering arms Mounting shaft Bushings 7 Remove the hubcap...

Страница 178: ...F 3 6 Inspect and repair or replace the following compo nents as necessary Tie rod Ball joints Steering arms Wheel hub and spindles Mounting shaft Bushings 7 If necessary remove the wheel hubs and tra...

Страница 179: ...3 Field Test 13 Starter Motor 13 10G Switches 15 General 15 Seat Switch Test 15 Ignition Switch Test 15 Water Temperature Switch Test 19 Parking Brake Neutral Start Reel Position And 4WD Drop Out Prox...

Страница 180: ...ts 35 10K Circuit Breakers 37 Circuit Breaker Test 37 10L Resistors 39 Resistor Test 39 10M Glow Plugs 41 Glow Plug Testing 41 10N Diodes 43 Diodes 43 10O Gauges 45 General 45 Water Temperature Gauge...

Страница 181: ...ELECTRICAL SYSTEM 10A 1 SECTION 10A REPAIR SERVICE TOOLS AND MATERIALS MATERIALS REQUIRED l Tools required Multimeter Jumper Wire Cleaning materials Baking soda and water 10A...

Страница 182: ......

Страница 183: ...ition switch damaged or corroded h Bad ground a Clean and recharge battery Section 10D b Tighten terminals and recharge battery Section 10D c Replace cables and recharge battery Section 10D d Replace...

Страница 184: ...set cir cuit breaker Section 10H k Test mower switch Section 10G l See Section 10N 4 Engine turns over but will not start a Battery low b Faulty glow plug c Faulty fuel shut off solenoid d Faulty cont...

Страница 185: ...Section 10H If mower does not turn on check Hydraulic Failure Anal ysis Section 8 f Adjust Section 2C Test Section 10G g See Section 10P 8 Engine shuts down when mower switch is pushed in REVERSE a B...

Страница 186: ......

Страница 187: ...ethod of testing wires or circuits is to perform a continuity check as described below NOTE Before performing any component or wiring test check for corrosion and loose or missing connec tions If a co...

Страница 188: ...g being tested If the component in question now functions normally replace the original wire Figure 10C 2 Figure 10C 2 Continuity Test RESISTANCE TEST Resistance is measured in Ohms Using a multim ete...

Страница 189: ...ance or early failure due to loss of electrolytes 2 Keep the terminals and the top of the battery clean Wash with baking soda and rinse with clean water Do no allow baking soda solution to enter the c...

Страница 190: ...als red POS lead to positive terminal and black NEG lead to negative terminal Figure 10D 1 3 Crank the engine if battery voltage falls below 9 volts while cranking the battery is run down or faulty Ch...

Страница 191: ...ollowing tests to confirm the alternator is at fault OUTPUT VOLTAGE TEST 1 Set the multimeter to 20 DC volts 2 Place the red POS lead on the positive termi nal and the black NEG lead on the negative t...

Страница 192: ...5 No or low voltage faulty wiring battery or system relay 7 Remove the resistor and test as shown in Section 10C Replace if necessary Figure 10E 2 Circuit Voltage Test REGULATOR TEST 1 Remove the plu...

Страница 193: ...HT solenoid wire 5 Set the multimeter to 20 VDC and connect the POS lead to the solenoid wire Connect the NEG lead to a good ground 6 Turn and hold the ignition switch in the start posi tion The multi...

Страница 194: ...starter Figure 10F 2 The starter motor should turn If the starter motor does not turn or turns slowly connect a multimeter set at 20 VDC to the battery terminals and repeat Step 6 If voltage is correc...

Страница 195: ...osed and a reading of 0 to 0 5 Ohms on the multimeter NOTE Replace the switch if the test results are not satis factory Figure 10G 1 Seat Test IGNITION SWITCH TEST 1 Disconnect ground black cable at b...

Страница 196: ...terminal S Continuity should be available between termi nals B and S NOTE If the ignition switch fails any of the above tests replace the switch Figure 10G 2 Ignition Switch Test Position Continuity O...

Страница 197: ...ELECTRICAL SYSTEM 10G 17 Step 5a Ignition Switch in OFF Position Step 5b Ignition Switch in RUN Position Step 5c Ignition Switch in RUN Position...

Страница 198: ...ELECTRICAL SYSTEM 10G 18 Step 5d Ignition Switch in RUN Position Step 5d Ignition Switch in GLOW PLUG Position Step 5e Ignition Switch in START Position...

Страница 199: ...ve metallic object such as steel is moved near the surface of the switch a set of reeds are closed cre ating a path for the movement of current through the switch During the test it must be determined...

Страница 200: ...the reels The switch reverse position has a safety lock that must be pressed in order to place the switch in the reverse position 1 Shut down the engine and remove the ignition key 2 Remove the contr...

Страница 201: ...OFF position Figure 10G 6 Check continuity between all ter minals Continuity should be available between terminal 2 and terminal 1 and between terminal 5 and termi nal 4 only 5 Place switch in the ON...

Страница 202: ...K TEST The joystick is mounted on the control panel and has three positions RAISE OFF LOWER The joystick is used to raise and lower the reels The joystick can be tested as follows 1 Shut down the engi...

Страница 203: ...the continuity scale 4 Place the switch in the OFF position Figure 10G 9 Check all terminals for continuity Continuity should not be available between termi nal 1 and terminal 2 5 Place the switch in...

Страница 204: ...rminal 6 only NOTE Replace the horn switch if it does meet the above test results Figure 10G 10 Horn Switch FLOAT SWITCH The float switch is mounted in the hydraulic tank and has two positions ON OFF...

Страница 205: ...tructions in the Parts Maintenance Manual fill the hydraulic tank to the proper level NOTE Replace the switch if it does not meet the above test results Figure 10G 11 Float Switch Test Float Switch Wi...

Страница 206: ......

Страница 207: ...and continuity does not exist the temperature sender may be faulty and should be replaced Figure 10H 1 Coolant Temperature Sender ENGINE OIL PRESSURE SENDER TEST The oil pressure sender is pressure s...

Страница 208: ......

Страница 209: ...e checked for proper operation as fol lows 1 Remove the relay from the relay box Figure 10I 2 2 Set the multimeter to the continuity scale 3 Place one test lead on pole 30 and one test lead on pole 87...

Страница 210: ...the ignition switch is placed in the START posi tion the fuel solenoid plunger is drawn open allowing fuel to flow to the engine fuel system CHECKING POWER INLET AND GROUND 1 Shut down the engine and...

Страница 211: ...lenoid valves mounted on top of the reel control valves provide a means of controlling the rotation There are two hydraulic control valves and a solenoid valve for each control valve One valve con tro...

Страница 212: ...minal and red test lead to the solenoid red wire to check solenoid ground connection If no voltage is indicated check the wiring harness circuit using the electrical schemat ics in Section 10Q 6 Set t...

Страница 213: ...harness 3 Connect the red test lead to the wiring harness connector brown yellow wire and the black test lead to the black wire Figure 10I 9 The multimeter should indicate battery voltage If no volta...

Страница 214: ......

Страница 215: ...must be removed for access The fuses can be tested as follows 1 Visually inspect and replace any blown fuse 2 If the fuse does appear to be blown check the fuse as follows a Set the multimeter to the...

Страница 216: ......

Страница 217: ...ry circuit The circuit breaker can be tested using the following procedure 1 Shut down the engine and remove the ignition key Allow the engine to cool completely 2 Set the multimeter to 20 volts DC 3...

Страница 218: ......

Страница 219: ...ine to cool completely 2 Remove the resistor from the alternator wiring har ness 3 Set the multimeter to the 200 scale NOTE The resistor should test 75 If the multimeter indicates slightly above or be...

Страница 220: ......

Страница 221: ...he glow plugs can be tested using the following pro cedures 1 Shut down the engine and remove the ignition key Allow the engine to cool completely 2 Remove the wiring harness connector and metal conne...

Страница 222: ......

Страница 223: ...de cards Figure 10N 1 Generally diodes can be tested by setting the multime ter to the continuity scale and placing one test lead on one side of the diode and the other test lead on the other side of...

Страница 224: ......

Страница 225: ...ter temperature gauge which can be tested as described below NOTE See Section 10Q for the location of all instruments and gauges WATER TEMPERATURE GAUGE TEST Test the water temperature gauge using the...

Страница 226: ......

Страница 227: ...ctor 4 Set the multimeter to 20 volts DC and connect the red test lead to the red white wiring harness con nector socket Connect the black test lead to the ground wire in the wiring connector Figure 1...

Страница 228: ......

Страница 229: ...G DIAGRAMS AND COMPONENT LOCATIONS Figure 10Q 1 Electrical Component Location Reel Switch Control Panel Relays and Fuses Lift Lower Valve Brake Switch Reel Valves Alternator Starter Battery 4WD Contro...

Страница 230: ......

Страница 231: ...Gy Rd Gy Rd DB Wh DB Wh DB Wh Rd Wh Ye Bk Bn Ye Gn Rd DB Rd DB Rd Tn Bu Tn Bu Tn Bu DB Rd Gn Rd Gn Rd Bu Bu DG DG LG LG DG Tn DG Tn Pu Wh Pu Pu Pu A B C D E F Bk Bk Bk Bk Bk Bk Bk Bk Bk Bk Bk Bk Bk Ra...

Страница 232: ...Gy Rd Gy Rd DB Wh DB Wh DB Wh Rd Wh Ye Bk Bn Ye Gn Rd DB Rd DB Rd Tn Bu Tn Bu Tn Bu DB Rd Gn Rd Gn Rd Bu Bu DG DG LG LG DG Tn DG Tn Pu Wh Pu Pu Pu A B C D E F Bk Bk Bk Bk Bk Bk Bk Bk Bk Bk Bk Bk Bk R...

Страница 233: ...Gy Rd Gy Rd DB Wh DB Wh DB Wh Rd Wh Ye Bk Bn Ye Gn Rd DB Rd DB Rd Tn Bu Tn Bu Tn Bu DB Rd Gn Rd Gn Rd Bu Bu DG DG LG LG DG Tn DG Tn Pu Wh Pu Pu Pu A B C D E F Bk Bk Bk Bk Bk Bk Bk Bk Bk Bk Bk Bk Bk R...

Страница 234: ...y Rd Gy Rd DB Wh DB Wh DB Wh Rd Wh Ye Bk Bn Ye Gn Rd DB Rd DB Rd Tn Bu Tn Bu Tn Bu DB Rd Gn Rd Gn Rd Bu Bu DG DG LG LG DG Tn DG Tn Pu Wh Pu Pu Pu A B C D E F Bk Bk Bk Bk Bk Bk Bk Bk Bk Bk Bk Bk Bk Rai...

Страница 235: ...Rd Gy Rd DB Wh DB Wh DB Wh Rd Wh Ye Bk Bn Ye Gn Rd DB Rd DB Rd Tn Bu Tn Bu Tn Bu DB Rd Gn Rd Gn Rd Bu Bu DG DG LG LG DG Tn DG Tn Pu Wh Pu Pu Pu A B C D E F Bk Bk Bk Bk Bk Bk Bk Bk Bk Bk Bk Bk Bk Raise...

Страница 236: ...Gy Rd Gy Rd DB Wh DB Wh DB Wh Rd Wh Ye Bk Bn Ye Gn Rd DB Rd DB Rd Tn Bu Tn Bu Tn Bu DB Rd Gn Rd Gn Rd Bu Bu DG DG LG LG DG Tn DG Tn Pu Wh Pu Pu Pu A B C D E F Bk Bk Bk Bk Bk Bk Bk Bk Bk Bk Bk Bk Bk Ra...

Страница 237: ...SECTION 11 PREVENTIVE MAINTENANCE 11A General 1 Preventive Maintenance 1 Scheduling 1 Administration 1 11B Lubrication and Maintenance Schedules 3 General 3 11...

Страница 238: ......

Страница 239: ...of environment the machine is used in Use the manufacturer s recommendations for preven tive maintenance The recommendations can be altered as experience is gained with the type of equip ment and the...

Страница 240: ......

Страница 241: ...Do not use a compressed air gun 3 Periodically apply a small amount of lithium based grease to the seat runners 4 For smooth operation of levers pivot points and other friction points that are not sho...

Страница 242: ...ntaining 55 gallons 208 liters drum or Part No 5003103 containing 5 gallons 19 liters pail IV 50 50 water ethylene glycol mix Every 8 10 Hours Every 50 Hours Every 100 Hours Every 200 Hours Every 400...

Страница 243: ...re Adjustment 7 Bedknife to Reel Adjustment 7 Cutting Height Adjustment 8 12E Sharpening Reels and Bedknives 11 General 11 Bedknife Front Face Angle 12 Backlapping 12 Backlapping on the Tractor 13 Ree...

Страница 244: ......

Страница 245: ...achine Bearing Puller Sheet Metal Pliers Cleaning materials Stoddard solvent or equivalent Detergent and water Lubricants Refer to Section 11 Other service items Newspaper Gauge bar for adjusting bedk...

Страница 246: ......

Страница 247: ...Reel turns only FORWARD not in REVERSE when mower switch is pushed a Mower switch malfunctioning b Reel valve solenoid failure a Test Section 10G b Test Section 10K 3 Reels turn slow a Reel motor malf...

Страница 248: ...12B 4 6 Ragged cutting a Bedknife has damaged edge and or face b Reel not sharp c Poor reel to bedknife adjust ment a Sharpen Section 12E b Sharpen Section 12E c Adjust Section 12D PROBLEM PROBABLE C...

Страница 249: ...at bare metal parts with a light coat of oil The cutting and grooming attachments are exposed to water daily washing grass clippings sand corrosive fertilizers and foreign objects such as tees It may...

Страница 250: ......

Страница 251: ...the pin Figure 12D 1 Down Pressure Adjustment If the down pressure springs require replacement dis assemble as shown in Figure 12D 2 Replace dam aged components reassemble as shown and adjust as desc...

Страница 252: ...he trailing end The leading end of the reel blade is that end which passes over the bed knife first during normal reel operation see Figure 12D 4 Figure 12D 4 Reel Leading End 8 Set the leading edge o...

Страница 253: ...Height Adjustment 3 Place the gauge bar across the bottom of the front and rear rollers near one end 4 Slide the head of the gauge screw over the bed knife 5 Adjust the hand adjusting knob of the fro...

Страница 254: ......

Страница 255: ...cross the blades with out metal to metal contact between the bedknife and the reel blades Damaged Mower Parts A gouged bedknife nicked reel blade or wavy bedknife and reel as well as a bent frame bent...

Страница 256: ...APPING General Lapping is to be considered a honing process and should not be used to sharpen an extremely dull or damaged reel or bedknife Lapping is not a substitute for grinding Lapping can maintai...

Страница 257: ...operation of vertical mowers the valve can be fully closed turn clockwise Bench Lapping When a reel and bedknife have been ground or a new reel and or bedknife are being installed the assembled reel...

Страница 258: ...ure 12E 5 Set up and operate the grinding machine in accordance with the manufacturer s instructions Figure 12E 5 Reel Grinding Procedure 1 Before mounting the bedknife on the grinding machine thoroug...

Страница 259: ...dub provides an entrance ramp for the reel blade on to the bedknife If the dub is worn or ground away and not replaced the reel blade could hook the corner of the bedknife as it begins contact 5 After...

Страница 260: ......

Страница 261: ...repaired by lapping or grind ing should be replaced The bedknife is held to the bedknife shoe by flat head screws When replacing a bedknife the bedknife should be lightly ground to level the cutting e...

Страница 262: ...SPECTION 1 Inspect the reel if cracked or broken repair using a 7018 low hydrogen welding rod 2 Discard seals and bearings 3 Check the frame for cracks and or bent frame members Figure 12F 3 Mower Uni...

Страница 263: ...ATTACHMENTS 12F 19 Figure 12F 3 Mower Unit Repair Sheet 2 of 2...

Страница 264: ...in over the splined end of the shaft against the frame Fasten it with the mounting hardware 6 Repeat Step 5 on the right side of the frame 7 On the left install the bearing cone and snap ring 8 On the...

Страница 265: ...ll as described in Reel Reas sembly section The bedknife can be installed on the bedknife shoe using locking sheetmetal pliers 1 Clean any dirt and debris from the bedknife shoe 2 Grip the bedknife us...

Страница 266: ......

Страница 267: ...each end of the roller 3 Insert the shaft in the roller 4 At each end of the roller install the bearing cone and wear sleeve 5 Install the oil seals lip to inside deflector cup and nuts ADJUSTMENT 1 T...

Страница 268: ......

Страница 269: ...grease 3 Using a suitable press install a bearing cone taper in in one end of the roller shaft 4 Be careful not to damage the inner seal install the roller shaft into the roller tube 5 Pack the beari...

Страница 270: ......

Страница 271: ...neral 3 Repair and Service 3 Changing Blade Spacing 4 Repair of Front Roller Grass Shields and Scrapers 4 Cutting Depth Adjustment 5 13C Turf Groomer 7 Grooved Roller 7 Groomer Shaft Assembly 8 Drive...

Страница 272: ......

Страница 273: ...Driving tools Bearing pullers Seal spreaders Cleaning materials Stoddard solvent or equivalent Detergent and water Lubricants Refer to Section 11 Other service items Gauge bar for adjusting height of...

Страница 274: ......

Страница 275: ...lacement of bearings Individual blades are readily removed without removing the reel from the frame To replace the blades back off the blade clamp nut 0 25 to 0 375 in 6 3 to 9 5 mm Pull the spacer ne...

Страница 276: ...ING Blade spacing of 0 75 in 19 mm is standard on factory built mowers Figure 13B 2 Cutting widths can be reduced or increased between 0 5 and 1 5 in 12 7 and 38 mm in 0 25 6 35 mm increments by addin...

Страница 277: ...be adjusted to the same depth below the rollers within 0 015625 in 39 mm from end to end To make a cutting depth adjustment Figure 13B 4 loosen the locknuts on both sides enough to allow the hand knob...

Страница 278: ......

Страница 279: ...he motor end remove the groomer side plates 4 Remove the roller Figure 13C 1 Roller Removal Repair 1 Remove the snap ring Figure 13C 2 2 Using a puller remove the shaft assembly 3 Bearing nilos ring a...

Страница 280: ...motor end tighten hardware as shown 4 Using the two inside roller nuts center the groomer blades between the roller discs 5 Install shims and the outer nuts NOTE Install the required amount of shims n...

Страница 281: ...ing Replacement Disassembly 1 Remove the hardware as shown in Figure 13C 5 from ends of the groomer shaft 2 Remove the bearing housing 3 Remove the outer snap ring from the bearing housing 4 Remove th...

Страница 282: ...roomer Shaft Assembly Blade Repair Check the condition of the blades and straighten bent blades whenever practical If the blades must be replaced proceed as described below Disassembly 1 Remove the gr...

Страница 283: ...he roller This can be done after installing the groomer shaft assembly 5 Install the groomer shaft assembly as described in the Installation section Installation 1 Install the groomer shaft drive end...

Страница 284: ...ront roller locknuts Slide the roller toward the belt case end until the cutter contacts the roller discs 3 Starting on the drive end check that all blades touch the roller disks If there is a space i...

Страница 285: ...hten the capscrew C on the end of the groomer shaft until the outer groomer bracket is pulled in against the inner bracket and the gap closes 4 Using two wrenches hold the cutter retaining nut A and s...

Страница 286: ...during bearing removal discard and install a new spacer 5 Remove the snap ring and press out the inner bearing 6 Press a new bearing seal side first into the drive gear Figure 13C 10 Figure 13C 10 Pre...

Страница 287: ...all the spacer drive key and clutch torque the clutch bolt to 20 ft lbs 27 Nm 12 Adjust the drive belt as described in the Belt Adjustment section 13 Install the belt case cover and torque the cap scr...

Страница 288: ...ner by hand until the belt just becomes tight 4 Hold the adjustment and tighten the bearing hous ing capscrew Remove the socket and tighten eccentric capscrew 5 Torque both capscrews to 10 ft lbs 13 5...

Страница 289: ...ace any that are questionable Follow the disassembly reassembly as shown in Figure 13C 16 Adjustment Each notch the quick height adjust is moved changes the groomer shaft 1 8 inch 3 18 mm If the contr...

Страница 290: ...n assembly in the pivot block Figure 13C 17 Micro Height Adjustment LUBRICATION Use a hand grease gun when lubricating the Turf Groomer components Figure 13C 18 Pump the gun slowly and carefully until...

Страница 291: ...e 13D 1 Add the remaining components a Spacer 34 is behind the bracket 28 when a Jacobsen Turf Groomer is used b Spacer 34 is assembled in front of the bracket 28 when the Jacobsen Turf Groomer is not...

Страница 292: ...OPTIONS 13D 20 Figure 13D 1 Power Rear Roller Cleaner...

Страница 293: ...SECTION 14 MISCELLANEOUS 14A Precaution Decal Locations 1 14B Conversion Charts 3 Millimeters to Decimals Conversion 3 US to Metric Conversion 5 14...

Страница 294: ......

Страница 295: ...1 SECTION 14A PRECAUTION DECAL LOCATIONS Figure 14A 1 Precaution Decals 4WD R 1 Part No 3001435 2 Part No 4102682 3 Part No 365956 4 Part No 340623 7 Part No 361877 5 Part No 3000435 6 Part No 1000997...

Страница 296: ......

Страница 297: ...67717 0 09 0 00354 0 49 0 01929 0 89 0 03504 29 1 14173 69 2 71654 0 10 0 00394 0 50 0 01969 0 90 0 03543 30 1 18110 70 2 75591 0 11 0 00433 0 51 0 2008 0 91 0 03586 31 1 22047 71 2 79528 0 12 0 0047...

Страница 298: ...1 0 31 0 01220 0 71 0 02795 11 0 43307 51 2 00787 91 3 58268 0 32 0 01260 0 72 0 02835 12 0 47244 52 2 04724 92 3 62205 0 33 0 01299 0 73 0 02874 13 0 51181 53 2 08661 93 3 66142 0 34 0 01339 0 74 0 0...

Страница 299: ...imeters Hectare 2 59 0 0929 6 452 0 4047 Volume Cubic Yards Cubic Feet Cubic Inches Cubic Meters Cubic Meters Cubic Centimeters 0 7646 0 02832 16 39 Weight Tons Short Pounds Ounces Avdp Metric Tons Ki...

Страница 300: ......

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