Page 1 Service & Repair Instructions LF-1880 WARNING: If incorrectly 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 attempting to set up, operate, adjust or service the machine.
Page 3 INTRODUCTION CONTROLS ENGINE DRIVE TRAIN BRAKE SYSTEM STEERING WHEELS AND TIRES HYDRAULICS CHASSIS ELECTRICAL SYSTEM PREVENTIVE MAINTENANCE ATTACHMENTS OPTIONS MISCELLANEOUS...
Page 5 SECTION 1 INTRODUCTION 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...
Page 7 INTRODUCTION SECTION 1A. GENERAL INFORMATION CONTENTS The registration entitles you to receive manual updates for a period of two years. Updates are sent free of This manual contains repair instructions for major trac- charge. tor components, attachments, and options. The Table NOTE: of Contents at the start of each section lists the con- Only the original registration card will be...
Page 8 Torque ......60 ft-lbs. (81 Nm) @ 2200 rpm mation. Fuel: Type ............No. 2 Diesel ® Rating........... Cetane Rating-45 A Textron Company Capacity ......12 U.S. Gal. (45.4 liters) CHARLOTTE, NC MADE IN U.S.A. High-speed - rpm 3150 no load YEAR OF...
Page 9 INTRODUCTION Tractor Accessories and Support Literature Tires: Contact your area Jacobsen dealer for a complete list- Front ..........24 x 13 - 12 2 ply ing of accessories and attachments Rear ..........18 x 9.5-8 2 ply Pressure........10-12 psi (69-83 kPa) CAUTION Battery: Type ..........
Page 10 INTRODUCTION SERIAL NUMBERS CAUTION See Figure 1A-2 for location of tractor assembly series number. Hazards or unsafe practices which could result in personal injury, or product or property damage. WARNING Hazards or unsafe practices which could result in severe personal injury or death. DANGER Imminent hazards which will result in severe per- sonal injury or death if precautions are not taken.
Page 11 INTRODUCTION TORQUE VALUES Torque values are given in the “Torque Specifications Chart.” Special torque values are called out in illustra- tions and text throughout this manual. Torque Specifications - Standard SAE Grade #5 Screws Size (In) Torque Values Size (In) Torque Values 8-32 27-33 in-lbs (3-4 Nm)
Page 13: Table Of Contents
SECTION 2 CONTROLS Repair And Service Tools and Materials......................1 Materials Required ........................... 1 Failure Analysis .............................. 3 General ..............................3 Control Adjustments ............................5 General ..............................5 Throttle ..............................5 Neutral And 4WD Cut-Out Switches ......................6 Traction Pedal Speed Limiter ........................7 Maximum Transport Speed ........................
Page 15: Controls
CONTROLS SECTION 2A. REPAIR AND SERVICE TOOLS AND MATERIALS MATERIALS REQUIRED Standard automotive hand tools Tools required: Stoddard solvent or equivalent Cleaning materials: Detergent and water Refer to Section 11 Lubricants: 2A-1...
Page 17: Failure Analysis
CONTROLS SECTION 2B. FAILURE ANALYSIS GENERAL The following table lists common problems, probable causes, and suggested remedies with section refer- ences to detailed descriptions of remedial procedures. PROBLEM PROBABLE CAUSE REMEDY 1. Engine does not turn over a. Not in neutral a.
Page 19: Control Adjustments
CONTROLS SECTION 2C. CONTROL ADJUSTMENTS GENERAL THROTTLE Repair of controls is limited to adjustment of linkages Located to the right of the operator’s seat, the throttle and cables, straightening of bent rods, or replacement. control is used to regulate engine rpm. Replace a worn Replace, do not adjust worn or damaged components.
Page 20: Neutral And 4Wd Cut-Out Switches
CONTROLS NEUTRAL CUT-OUT 3. Adjust the pointer by loosening the jam nut and turning the adjustment screw while holding the SWITCHES adjustment nut. 4. Tighten jam nut against adjusting nut. Neutral Switch 5. Connect the pump linkage to the traction pedal. The traction pedal is designed to return to neutral 6.
Page 21: Traction Pedal Speed Limiter
CONTROLS TRACTION PEDAL SPEED LIMITER MAXIMUM TRANSPORT SPEED Cutting quality is better at speeds well below the trans- Before making speed adjustments at the pump, check port speed of the tractor. An initial mow speed of 6 mph that the engine is running at full rpm under load and the is set at the factory and should be satisfactory for most throttle is adjusted correctly.
Page 22: Parking Brake
CONTROLS 7. Connect the rod end (Figure 2C-6) to the traction 3. Disconnect the brake return spring (Figure 2C-8) pedal and tighten the jam nut on the rod. at the caliper. Return Spring Traction Pedal Rod End Figure 2C-6. Rod End PARKING BRAKE Adjust brakes after replacing or servicing the brake Figure 2C-8.
Page 23: Brake Interlock Switch
CONTROLS BRAKE INTERLOCK SWITCH LIFT-LIMIT SWITCH NOTE: The center reel lift arm is equipped with a proximity switch. The switch turns off the reels when the center Use a multimeter to determine when the switch reel rises above 30° over horizontal. contacts open and close.
Page 24 CONTROLS 7. With the lift arm at 30°, adjust the switch (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).
Page 25: Gauges And Instruments
CONTROLS SECTION 2D. GAUGES AND INSTRUMENTS REPAIR 1. Disconnect the battery ground (black) cable. 2. Label the wires for proper identification and dis- NOTE: connect wiring. Refer to Section 10 for test and repair procedures 3. Remove the attached hardware and replace the of switches.
Page 27 SECTION 3 ENGINE Repair, Service Tools, and Materials ......................1 Materials Required ........................... 1 Failure Analysis .............................. 3 General ..............................3 General Instructions............................5 Contents ..............................5 Exhaust System ............................5 Engine................................7 General ..............................7 Engine Belt............................... 7 Engine Oil..............................8 Air Cleaner ...............................
Page 29: Engine
ENGINE SECTION 3A. REPAIR, SERVICE TOOLS, AND MATERIALS MATERIALS REQUIRED Standard automotive hand tools Tools required: Stoddard solvent or equivalent Cleaning Detergent and water materials: Anti-rust, Never-Seize Refer to Section 11 Lubricants: Compressed air source Other service Engine hoist items: 3A-1...
Page 31: Failure Analysis
ENGINE SECTION 3B. FAILURE ANALYSIS GENERAL The following table lists common problems, probable causes, and suggested remedies with section refer- ences to detailed descriptions of remedial procedures. PROBLEM PROBABLE CAUSE REMEDY 1. Engine will not start a. Parking brake disengaged or a.
Page 33: General Instructions
ENGINE SECTION 3C. GENERAL INSTRUCTIONS CONTENTS NOTE: Testing of the alternator, starter, and fuel solenoid A Kubota three cylinder diesel engine is used in the are included in Section 10. If the components are Super LF-1880 Fairway Mower. The Kubota D1105-E faulty, refer to the engine manufacturer’s manual liquid cooled engine is used for all mower operations.
Page 35: General
ENGINE SECTION 3D. ENGINE GENERAL An engine operator’s manual, prepared by the engine manufacturer is supplied with the machine. Study the manual carefully to become familiar with the mainte- nance, operation, and adjustment of the equipment. Following the manufacturer’s instructions will assure maximum service life and operation of the engine.
Page 36: Engine Oil
ENGINE ENGINE OIL AIR CLEANER Check the engine oil at the start of each day, before The air cleaner assembly includes an air filter restric- starting the engine. If the oil level is low, remove the oil tion gauge. The gauge indicates the condition of the air filler cap and add oil as required (Figure 3D-3).
Page 37 ENGINE Inlet Hose Intake Hose Intake Hose Turbo Units Cleaner Air Filter Restriction Guage Plenum Figure 3D-4. Air Cleaner Assembly Exploded View 1. Release the spring clips and remove the air 4. Inspect the new filter element. Do not use a dam- cleaner end cover.
Page 38: Radiator Service
ENGINE 7. Reset the air filter restriction gauge by pressing the button on the end of the indicator. Dust Evacuator Air Filter Element Restriction Reset Button Housing End Cover Gauge Figure 3D-5. Air Cleaner Assembly RADIATOR SERVICE NOTE: It is illegal to dispose of most antifreeze in an inappropriate manner.
Page 39 ENGINE 7. Remove the dust screen. Using low-pressure compressed air blow dust and debris from the WARNING radiator core (Figure 3D-6). Always wear eye protection when using compressed air. Never use compressed air in excess of 20 psi (138 kPa) for cleaning purposes. Never point the air nozzle at another individual;...
Page 40: Exhaust System
ENGINE EXHAUST SYSTEM Installation 1. Place the radiator in position on the radiator mount and secure with three bolts on each side. CAUTION 2. Position the shroud and coolant reservoir on the radiator. Secure with three bolts on each side. Do not attempt to service the exhaust system when 3.
Page 41: Fuel System
ENGINE Removal and Installation Remove and install the exhaust system components as shown in Figure 3D-8. Standard Diesel Turbo Diesel Figure 3D-8. Exhaust System FUEL SYSTEM CAUTION The fuel filter is mounted on the rear of the engine above the battery. Moisture and other foreign matter Never remove the fuel cap from the fuel tank or add can accumulate in the fuel filter.
Page 42 ENGINE Fuel Filter Service CAUTION 1. Shut down the engine and remove the ignition key. Allow the engine to cool completely before servicing. Dispose of fuel properly. Contact the local environ- 2. Close the fuel filter valve (Figure 3D-9). mental department for instructions on disposing of unwanted fuel products.
Page 43: Engine Removal
ENGINE 3. Place the ignition switch in the ON position to 4. Remove the upper and lower radiator hoses. energize the electric fuel pump. 5. Close the fuel filter valve and disconnect the fuel 4. Allow the fuel to drain from the air vent until air outlet hose from the filter to the injection pump.
Page 44 ENGINE 11. Install and tighten the upper and lower radiator 13.Purge air from the fuel system. hoses. Secure the hoses with clamps. 14.Using the instructions in the Safety and Operator’s 12.Clean and install the battery and hold down manual and the manufacturer’s manual, start the clamp.
Page 45 ENGINE Air Clean Assembly Throttle Cable and Housing Clamp Battery Drive Shaft Fuel Filter Fuel Hose Clamp and Engine Mount Alternator Radiator Hoses Figure 3D-13. Engine Components 3D-17...
Page 47 SECTION 4 DRIVE TRAIN Repair and Service Tools and Materials ......................1 Materials Required ........................... 1 Failure Analysis .............................. 3 General ..............................3 Hydro-Drive Shaft ............................5 General ..............................5 Service ..............................5...
Page 49: Drive Train
DRIVE TRAIN SECTION 4A. REPAIR AND SERVICE TOOLS AND MATERIALS MATERIALS REQUIRED Standard automotive hand tools Tools required: Stoddard solvent or equivalent Cleaning materials: Refer to Section 11 Lubricants: 4A-1...
Page 51: Failure Analysis
DRIVE TRAIN SECTION 4B. FAILURE ANALYSIS GENERAL The following table lists common problems, probable 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.
Page 53: Hydro-Drive Shaft
DRIVE TRAIN SECTION 4C. HYDRO-DRIVE SHAFT GENERAL Disassembly NOTE: The hydrostatic drive pump is driven by a universal Note the position and depth of the bearing caps in joint type drive shaft connected between the drive the ears. pump and engine. 1.
Page 54 DRIVE TRAIN Assembly 4. Slowly and carefully tighten the vise. The bearing caps will be pressed into the ears. The bearing caps should be pressed evenly until the bearing NOTE: cap rubber seal completely covers the cross shaft. During assembly make sure all parts, especially 5.
Page 55 SECTION 5 BRAKE SYSTEM Repair and Service Tools and Materials ......................1 Materials Required ........................... 1 Failure Analysis .............................. 3 General ..............................3 Parking Brake ..............................5 General ..............................5 Cables ..............................5...
Page 57: Brake System
BRAKE SYSTEM SECTION 5A. REPAIR AND SERVICE TOOLS AND MATERIALS MATERIALS REQUIRED Standard automotive hand tools Tools required: Stoddard solvent or equivalent Cleaning materials: Refer to Section 11 Lubricants: Brake pads Other service items: 5A-1...
Page 59: Failure Analysis
BRAKE SYSTEM SECTION 5B. FAILURE ANALYSIS GENERAL The following table lists common problems, probable causes, and suggested remedies with section refer- ences to detailed descriptions of remedial procedures. PROBLEM PROBABLE CAUSE REMEDY 1. Parking brake does not hold a. Brake is misadjusted a.
Page 61: General
BRAKE SYSTEM SECTION 5C. PARKING BRAKE GENERAL CABLES The brake system used on the LF-1880 is a mechani- The brake cables (Figure 5C-1) are connected to the cal disc brake system actuated by a left and right brake brake pedal and the actuating lever. When pushed, the cable.
Page 62 BRAKE SYSTEM Disassembly 5. Inspect the brake disc and hub for grooves, excessive wear, and damage. Replace the hub and brake disc as necessary. 1. Using a suitable jack, lift the front wheels off the ground. Support the tractor with jack stands. Assembly 2.
Page 63: Steering
SECTION 6 STEERING Repair, Service Tools, and Materials ......................1 Materials Required ........................... 1 Failure Analysis .............................. 3 General ..............................3 Steering Unit ..............................5 General ..............................5 Removal ..............................5 Steering Valve Disassembly ........................6 Steering Valve Inspection ......................... 7 Steering Valve Assembly..........................
Page 65: Repair, Service Tools, And Materials
STEERING SECTION 6A. REPAIR, SERVICE TOOLS, AND MATERIALS MATERIALS REQUIRED Standard automotive hand tools Tools required: Stoddard solvent or equivalent Cleaning materials: Refer to Section 11 Lubricants: 6 pieces 0.007 in (0.18 mm) shim stock 0.5 in (13 Other service mm) wide and 1.5 in (38 mm) long items: Portable hydraulic filtering unit...
Page 67: Failure Analysis
STEERING SECTION 6B. FAILURE ANALYSIS GENERAL The following table lists common problems, probable causes, and suggested remedies with section refer- ences to detailed descriptions of remedial procedures. PROBLEM PROBABLE CAUSE REMEDY 1. Noisy when steering wheel is a. Low hissing sound a.
Page 68 STEERING PROBLEM PROBABLE CAUSE REMEDY 7. No steering a. Steering relief stuck open a. Test (Section 8N) b. Steering unit excessive inter- b. Test (Section 8) nal leakage c. Steering cylinder c. Test (Section 8) 6B-4...
Page 69: General
STEERING SECTION 6C. STEERING UNIT GENERAL tank fill port and vacuum applied to prevent leak- ing during hydraulic system service and repair. The power steering unit uses hydraulic pressure pro- If a drain pan is used to drain the hydraulic tank, duced by the hydraulic traction pump.
Page 70: Steering Valve Disassembly
STEERING STEERING VALVE DISASSEMBLY 1. Place the power steering service fixture (Figure 6A-1) securely in a vise. NOTE: 2. Remove the nuts (1) and cover (2), see Figure 6C-2. Before attempting repairs or disassembly of any hydraulic components, thoroughly clean the com- 3.
Page 71: Steering Valve Inspection
STEERING NOTE: 3. Inspect the slot edges and surface for nicks, scor- ing, and rounding. The metering package should be disassembled NOTE: for inspection purposes only. Proceed with The valve ring (8) and valve plate (9) are a STEP 9 for disassembly and inspection proce- matched set and are not serviceable.
Page 72 STEERING steering valve. The correct alignment is illustrated NOTE: in Figure 6C-7. Do not tighten the capscrews (1). 4. Install the upper cover plate (22), see Figure 6C-2. 13.Place the metering ring (15) on a hard flat surface, see Figure 6C-2. 5.
Page 73 STEERING Figure 6C-5. Steering Valve Assembly 24.Install the valve plate (9) as shown (closed cylin- 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.
Page 74: Installation
STEERING INSTALLATION 27.Install the o-rings (4) and seal ring (3) on the port cover (2). 1. Place the steering valve in the steering unit 28.Install the needle rollers (5) in the port manifold bracket with the four studs protruding through the (6).
Page 75: Steering Cylinder
STEERING SECTION 6D. STEERING CYLINDER GENERAL REMOVAL The steering cylinder is attached to the steering axle 1. Shut down the engine and remove the ignition key. between the right side of the axle and the left steering arm. The steering cylinder is actuated using hydraulic 2.
Page 76: Disassembly
STEERING DISASSEMBLY NOTE: When removing the ball joint, count the number of turns for removal. This will aid in replacing the ball WARNING joint. INSPECTION Use appropriate eye protection when using com- pressed air for cleaning or drying purposes. Com- 1.
Page 77: Assembly
STEERING ASSEMBLY 3. Follow the steps illustrated in Figure 6D-4 for assembly. NOTE: 1. Install the seal kit as shown in Figure 6D-5. Install the ball joint, using the same number of 2. Lubricate all parts with clean hydraulic oil before turns as noted during removal.
Page 79: Steering Wheel Adjustment
STEERING SECTION 6E. STEERING WHEEL ADJUSTMENT STEERING ADJUSTMENTS 1. Turn the wheel to the straight ahead position. 2. Loosen the jam nuts (Q) on both sides of the tie rod (R), see Figure 6E-1. 3. Turn the tie rod (R) to provide proper toe-in. Toe- in must not exceed 0.0625 in (1.5 mm) (S), see Figure 6E-1.
Page 81 SECTION 7 WHEELS AND TIRES Repair, Service Tools, and Materials ......................1 Materials Required ........................... 1 Failure Analysis .............................. 3 General ..............................3 Tire Service..............................5 General ..............................5 Service ..............................5...
Page 83: Wheels And Tires
WHEELS AND TIRES SECTION 7A. REPAIR, SERVICE TOOLS, AND MATERIALS MATERIALS REQUIRED Standard automotive hand tools Tools required: Stoddard solvent or equivalent Cleaning materials: Refer to Section 11 Lubricants: Commercial tire sealant Other service items: Tire pressure gauge Compressed air source with inflation tool 7A-1...
Page 85: Failure Analysis
WHEELS AND TIRES SECTION 7B. FAILURE ANALYSIS GENERAL The following table lists common problems, probable causes, and suggested remedies with section refer- ences to detailed descriptions of remedial procedures. PROBLEM PROBABLE CAUSE REMEDY 1. Tractor rides hard a. Over-inflated tires a.
Page 87: Tire Service
WHEELS AND TIRES SECTION 7C. TIRE SERVICE GENERAL When mounting a tire on the rim, inflate to 22 psi (152 kPa) to ensure proper seating. After mounting, The tires are subject to damage from sharp objects. If reduce the tire pressure to the desired level for opera- large punctures or tears occur, take the tire (on the tion (Figure 7C-1).
Page 89 SECTION 8 HYDRAULICS Repair, Service Tools, and Materials ......................1 Materials Required ........................... 1 Failure Analysis .............................. 3 General ..............................3 General Instructions............................5 General ..............................5 Hydraulic Tube and Hose Fittings ......................5 37° Flare Fittings ............................6 Hose Installation Instructions ........................6 ORS (Face Seal) Fittings .........................
Page 90 Installation .............................. 37 Reel Valve..............................39 General ..............................39 Removal ..............................39 Installation .............................. 39 Reel Motor ..............................41 General ..............................41 Removal ..............................41 Installation .............................. 41 Oil Cooler..............................43 General ..............................43 Removal ..............................43 Installation .............................. 43 Hydraulic Field Test Procedures ........................
Page 91: Repair, Service Tools, And Materials
HYDRAULICS SECTION 8A. REPAIR, SERVICE TOOLS, AND MATERIALS MATERIALS REQUIRED Standard automotive hand tools, including torque wrench, seal drivers, snap ring pliers, and bearing driver Tools required: Tachometer Hydra sleuth or in-line tester equipment with load valve (Figure 8A-1 and Figure 8A-2) Stoddard solvent or equivalent Cleaning materials: Detergent and water...
Page 92 HYDRAULICS 12" 2" 1" 2" 12" 14" 16" 3/4" NC Ready Rod 15" Long 36" 1" Pipe Cut to Fit Between Runners 2-3/4" NC Nuts 12" 1" Pipe 2" 13-1/2" Long Two Cargo Straps 3" Wide 12' Long Figure 8A-2. Wheel Restraint 8A-2...
Page 93: Failure Analysis
HYDRAULICS SECTION 8B. FAILURE ANALYSIS GENERAL The following table lists common problems, probable causes, and suggested remedies with section refer- ences to detailed descriptions of remedial procedures. PROBLEM PROBABLE CAUSE REMEDY 1. System noisy a. Oil cold a. Let oil warm up b.
Page 94 HYDRAULICS PROBLEM PROBABLE CAUSE REMEDY 4. Sluggish response to accel- a. Air in system a. Add oil (Section 11) eration or deceleration Inlet strainer plugged (Section 8C) Loosen inlet line, tighten b. Low charge pressure b. Check charge pressure (Section 8O) Charge pump relief faulty (Section 8D) Internal charge pump dam-...
Page 95: General Instructions
HYDRAULICS SECTION 8C. GENERAL INSTRUCTIONS GENERAL • Do not force or pry components apart or together. Light tapping with a plastic mallet is recommended NOTE: unless otherwise specified in the repair instructions. Component location illustrations and hydraulic • Unless otherwise indicated, apply a light coat of system diagrams are located at the end of this clean hydraulic...
Page 96: 37° Flare Fittings
HYDRAULICS 37° FLARE FITTINGS Table 8C-1: 37° Flare Torque Recommendations Thread Tube Torque In- # of Flat Dash Torque Recommendations Size O.D. Rotations Size 1. Assemble tube nut adapter to fitting with a mini- 3/8-24 0.188 95-105 1 1/2:1 3/4 mum torque (finger tight) until the flare contact the seat on the fitting body.
Page 97: Ors (Face Seal) Fittings
HYDRAULICS Table 8C-2: Replacement o-rings for o-ring Boss Table 8C-3: O-ring Boss Torque Recommendations Fittings SAE Dash Thread Torque Tube O.D. Size Size In-lbs 3/8-24 0.188 96-120 Tubing O.D. Jacobsen Thread Size or Hose I.D. Part No. 7/16-20 0.250 168-192 5/16-24 459290 1/2-20...
Page 98 HYDRAULICS Table 8C-4: Replacement o-ring for ORS Fittings Table 8C-5: O-ring Face Seal Torque Recommendations ORS O-ring Jacobsen ORS Tube Size Size Part No. SAE Dash Thread Torque Tube O.D. Size Size In-lbs 339908 339909 9/16 0.250 120-144 339910 339911 11/16 0.375 216-240...
Page 99: Hydrostatic Traction Pump
HYDRAULICS SECTION 8D. HYDROSTATIC TRACTION PUMP GENERAL side. The extended piston stroke produces hydraulic pressure, which is directed to one side of the wheel hydrostatic traction pump (Figure 8D-1) traction motors turning the motors and attached mounted underneath the seat pan and in front of the wheels.
Page 100 HYDRAULICS Control Valve Plate/Charge Housing Pump Assembly Rotating Rear Valve Group Plate Coupling Assembly Input Shaft & Bearing Assembly Rear Cover (Not Used on LF 1880) Main Case & Input Shaft Swashblock Gerotor Pump Rear Valve Plate Assembly Main Case and Input Shaft Valve Plate Charge Pump...
Page 101: Removal
HYDRAULICS REMOVAL 8. Remove the traction pump and reel pump from the frame. 1. Shut down the engine and remove the ignition 9. Remove the two socket head capscrews that key. Allow the engine to cool completely. secure the reel pump to the traction pump. 2.
Page 102 HYDRAULICS Valve Plate And Gerotor Bypass Pressure Relief Valve Rear Valve Plate O Rings Coupler Gerotor Pump Bushing Cross-Port Steering Relief Valve Relief Valve Retaining Ring Valve Plate Cross-Port Tow Valve Relief Valve Figure 8D-4. Valve Plate and Gerotor Pump Disassembly 8D-12...
Page 103 HYDRAULICS Rotating Group Shoe Retainer Spring Shoe Retainer Cylinder Pistons Barrel Ball Retaining Fulcrum Ring Hydrodynamic Bearing O-Ring Figure 8D-5. Rotating Group Disassembly Drive Shaft Group Figure 8D-6. Drive Shaft Group Disassembly 8D-13...
Page 104: Inspection
HYDRAULICS Swashblock Group 1. Place square end of piston on a bench and hold firmly. See Figure 8D-7 for swashblock group disassembly. 2. Pull on the end of the hose with the other hand and note the end play. A good piston/shoe fit will have no end play with the shoe free to rotate and Swashblock pivot on the piston ball.
Page 105 HYDRAULICS ASSEMBLY Swashblock Position the hydrodynamic bearing in the housing so that the pin is at the 8 o’clock position between protru- sion and pump housing to assure CCW rotation (Figure 8D-9). Retaining Ring Hydrodynamic Bearing Swashblock Saddle Bearings Shaft Seal (Flush with Main Case Housing)
Page 106 HYDRAULICS Rotating Group Assembly NOTE: Do not force pistons into barrel. The pistons Install the shoe retainer with the center curved surface should fit loosely. toward the fulcrum ball (Figure 8D-11). Cylinder Barrel Shoe Retainer Pistons Main Case Assembly Figure 8D-11. Rotating Group Assembly Valve Plate, Gerotor Pump, Rear Plate Assembly See Figure 8D-12 for valve plate, gerotor pump, and...
Page 107 HYDRAULICS Control Group Assembly See Figure 8D-13 for control group assembly. Traction Pump Assembly Gasket Control Pin Arm and Pintle O-Ring Control Housing O-Ring Figure 8D-13. Control Group Assembly 8D-17...
Page 108: Installation
HYDRAULICS INSTALLATION 4. Install the drive shaft on the traction pump input shaft and engine. 1. Using a new o-ring lubricated with clean hydraulic 5. Replace the hydraulic oil filter and fill the hydraulic oil, position the reel pump on the traction pump tank with hydraulic oil.
Page 109: Front Traction Motor
HYDRAULICS SECTION 8E. FRONT TRACTION MOTOR GENERAL 6. Thoroughly clean the motor especially the area surrounding the hydraulic fittings. The traction pedal and traction pump control the front 7. Tag and disconnect the hydraulic hoses from the motor. Immediately plug the hoses and motor to traction motors.
Page 110 HYDRAULICS 5. Inspect all the parts for wear or damage. The only serviceable items are the shaft and bearing assembly, shaft, nut, bolts, and seal kit. Port Manifold Cover* Spring Capscrews & Pin Valve Valve Plate Drive Outer Face Seal Link Balance Ring...
Page 111 HYDRAULICS 6. Install the seals and backup ring in the flange end 8. Install the shaft face seal as shown in Figure 8E-6. as shown in Figure 8E-5. Place the wear plate on the flange end. Dust Shaft Seal Seal Mounting Backup Shaft &...
Page 112: Installation
HYDRAULICS NOTE: 11. Install the balance ring on the valve with the pin groove facing upwards. Be sure the gerotor, valve plate, and valve are 12.Coat the springs and pins with petroleum jelly. timed (Figure 8E-8). Install both springs and pins in the holes of the manifold cover.
Page 113: Rear (4 Wheel Drive) Traction Motor
HYDRAULICS SECTION 8F. REAR (4 WHEEL DRIVE) TRACTION MOTOR GENERAL 6. Thoroughly clean the motor especially the area surrounding the hydraulic hoses. The traction pedal and traction pump control the rear 7. Tag and disconnect the hydraulic hoses from the motor.
Page 114 HYDRAULICS 5. Inspect the parts for wear and damage. The only serviceable items are the shaft and bearing assembly, shaft, nut, bolts, and seal kit. Port Manifold Cover* Spring Capscrews & Pin Valve Valve Plate Drive Outer Face Seal Link Balance Ring Gerotor...
Page 115 HYDRAULICS 6. Install the seals and backup ring in the flange end 8. Install the shaft face seal as shown in Figure 8F-6. as shown in Figure 8F-5. Place the wear plate on the flange end. 7. Press the bearing and shaft assembly into the flange end of the motor.
Page 116: Installation
HYDRAULICS NOTE: 11. Install the balance ring on the valve with the pin groove facing up. Be sure the Gerotor, valve plate, and valve are 12.Coat the springs and pins with petroleum jelly. timed (Figure 8F-8). Install both springs and pins in the holes of the manifold cover.
Page 117: Wheel Drive Control Valve
HYDRAULICS SECTION 8G. 4 WHEEL DRIVE CONTROL VALVE GENERAL REPAIR The 4 wheel drive control valve is mounted on the The 4 wheel valve repairs are limited to changing o- frame below the engine. rings, backup rings, and coil. The valve can be replaced as an assembly, see Figure 8G-1.
Page 119: Reel (Auxiliary) Hydraulic Pump
HYDRAULICS SECTION 8H. REEL (AUXILIARY) HYDRAULIC PUMP GENERAL REMOVAL The reel (auxiliary) hydraulic pump is mounted on the 1. Shut down the engine and remove the ignition key. rear of the traction pump, see Figure 8H-1. The traction pump is driven by a the engine using a conventional 2.
Page 120: Disassembly
HYDRAULICS DISASSEMBLY 2. Mark the pump sections to ensure proper assem- bly. Using a center punch place one mark on sec- tion 1, two marks on section 2 and three marks on 1. Thoroughly clean the outside of the pump before section 3.
Page 121: Inspection
HYDRAULICS 2. Assemble pump one section at a time, building up from flange section. 3. Use a new seal kit during assembly. Use clean Marker grease to keep seals in position. 4. Remove the alignment mark from gear sets after they have been installed with teeth in mesh.
Page 123: Lift/Lower Valve
HYDRAULICS SECTION 8I. LIFT/LOWER VALVE GENERAL 5. Tag and disconnect the wiring harness connectors from both solenoids. The lift valve is used in conjunction with the reel (auxil- 6. While supporting the valve, remove two mounting screws and lock washers from the bottom of the iary) hydraulic pump and joystick to lift and lower the valve.
Page 125: Lift Cylinders
HYDRAULICS SECTION 8J. LIFT CYLINDERS GENERAL INSPECTION The LF-1880 mower uses five lift cylinders to lift and 1. Inspect all parts for excessive wear, cracks, and broken parts. lower the reels. The cylinders are all the same. 2. Discard all o-rings, seals, and backup rings. REMOVAL DISASSEMBLY See Section 9E.
Page 126 HYDRAULICS c. Remove the nylon spacer (Figure 8J-4). e. Remove sharp edges from the lock ring groove (Figure 8J-6). Nylon Spacer Lock Ring Groove Figure 8J-4. Nylon Spacer Figure 8J-6. Lock Ring Groove d. Remove head lock ring from inside the cylinder f.
Page 127: Installation
HYDRAULICS 4. Assemble the cylinder. d. Push the rod guide into the cylinder approxi- mately 0.75 in (Figure 8J-12). a. Place a small lock ring, nylon spacer, large lock ring, and rod guide onto the rod (Figure 8J-9). Rod Guide Nylon Spacer Rod Guide 3/4"...
Page 129: Reel Valve
HYDRAULICS SECTION 8K. REEL VALVE GENERAL 4. Tag and disconnect both solenoid wiring harness connectors. There are two reel valves used to control the rotation of 5. While supporting the valve, remove two mounting screws and lock washers from the bottom of the the reel motors.
Page 131: Reel Motor
HYDRAULICS SECTION 8L. REEL MOTOR GENERAL 5. Tag and disconnect the hydraulic hoses from the motor fittings. Immediately plug the hoses and motor to prevent contamination of the hydraulic There are five hydraulic reel motors, two center reel system. motors and three front reel motors (Figure 8L-1). The INSTALLATION motors are identical.
Page 133: Oil Cooler
HYDRAULICS SECTION 8M. OIL COOLER GENERAL 5. Tag and disconnect the oil cooler hydraulic hoses. Immediately plug the hoses and oil cooler to pre- vent contamination of the hydraulic system. The oil cooler is mounted between the seat and 6. Remove the oil cooler. engine.
Page 135: General
HYDRAULICS SECTION 8N. HYDRAULIC FIELD TEST PROCEDURES GENERAL NOTE: Use only the recommended hydraulic oil (see When a hydraulic failure occurs, some simple, effective Section 11). Always change the filter when chang- tests can be performed prior to using a test instrument. ing the oil.
Page 136: Lift System Test
HYDRAULICS NOTE: 2. Lift the reels and shut down the engine. Open tow valve after test is completed 3. Measure the distance between the bottom of a reel and the ground. (Figure 8N-1). 4. Allow the mower to stand for 15 minutes. Conclusion •...
Page 137: Power Steering System Test
HYDRAULICS POWER STEERING SYSTEM TEST the maximum right and/or left, the steering unit is not at fault. The purpose of this test is to determine if the steering • If the steering wheel continues to turn, proceed with cylinder and the steering unit are operating properly the test.
Page 138: Mower (Reel Mower) System Test
HYDRAULICS MOWER (REEL MOWER) SYSTEM 4. Install a separate hose on the case drain fitting and place the free end in the container. TEST 5. Set the parking brake, start the engine and place the reel switch in the forward (ON) position. Run The reel motor circuit consists of the reel (auxiliary) the engine for one full minute.
Page 139 HYDRAULICS Conclusion • If the oil from the case drain is more than 1-1/2 pints per minute the motor may be faulty and should be • If oil from the case drain is within a pint per minute, repaired or replaced. the motor is not at fault, proceed with an instrument test (Section 8O).
Page 141: Hydraulic Instrument Tests
HYDRAULICS SECTION 8O. HYDRAULIC INSTRUMENT TESTS GENERAL A test record has been provided at the end of this sec- tion. Make copies of the record for future use. Use the The tests in this section are provided as a means of form to record test results.
Page 142 HYDRAULICS Relief Valve 3. Set the parking brake, start engine, and advance engine speed to full throttle position. NOTE: 4. Record the pressure gauge reading. The charge pressure should be 54 to 66 psi (372 to 455 kPa). The charge relief valve (Figure 8O-2) cannot be repaired or adjusted.
Page 143: Steering Circuit Test
HYDRAULICS STEERING CIRCUIT TEST Relief Valve NOTE: NOTE: The charge relief valve cannot be repaired or Check charge pressure before performing the adjusted. Replace damaged faulty steering circuit test. (Figure 8O-3). 1. Shut down the engine. 6. Remove steering system relief valve plug, spring, 2.
Page 144: Lift Circuit Test
HYDRAULICS LIFT CIRCUIT TEST CAUTION Lift Circuit The plugs inserted in the lift cylinder hoses must be 1. Shut down the engine. able to withstand the maximum lift cylinder pressure. 2. Install a 2000-psi (13790 kPa) pressure gauge with a quick connect fitting on the quick fitting 6.
Page 145 HYDRAULICS Lower Circuit Conclusion • If the relief valve opens within range, the lower relief 10.Using the joystick, lower the reels completely. valve is not faulty. 11. While watching the pressure gauge (Figure 8O-5), place the joystick in the lower position. The relief •...
Page 146: Reel Motor Test
HYDRAULICS REEL MOTOR TEST CAUTION The reel motors can be tested at the reel motor control valves. There are two reel motor control valves. One Do not allow the system to develop more that 3500 valve controls the front reels while the other controls psi (2411 bar) hydraulic pressure.
Page 147: Flow Tests
HYDRAULICS FLOW TESTS Read and understand the flow meter directions and instructions before attempting to test the hydraulic sys- Follow the directions for each test carefully. The tem (Figure 8O-7). hydraulic oil must be at normal operating temperature before performing the test to ensure proper test results. Load Valve Flow Meter...
Page 148 HYDRAULICS Conclusion • If relief pressure is not within range in one or both directions, the steering relief valve or steering • If relief pressure is 1160-psi (7992 kPa) +/- 10%, cylinders may be faulty. steering relief valve is not at fault. 11.
Page 149 HYDRAULICS Front Reel Valve Test 6. Subtract flow indication (d) from flow indication (c). The result is section one pump leakage. Section one of the triple gear pumps supplies hydraulic Conclusion flow to the front reel valve. • If leakage is less that ½ gpm (1.9 lpm), pump is not 1.
Page 150 HYDRAULICS Rear Reel Valve Test 6. Subtract flow indication (f) from flow indication (e). The result is section two pump leakage. Section two or mid-section of the reel (auxiliary) Conclusion hydraulic pump supplies hydraulic flow to the rear reel valve. •...
Page 151 HYDRAULICS Lift/Lower Valve Test 6. Subtract flow indication (h) from flow indication (g). The result is section three pump leakage. Section three of the reel (auxiliary) hydraulic pump supplies hydraulic flow to the lift valve. Conclusion 1. Shut down engine and remove ignition key. •...
Page 152 HYDRAULICS LF-1880 4 WHEEL DRIVE HYDRAULIC FLOW TEST RECORD LF-1880 4 Wheel Drive Hydraulic Flow Test Record Relief Valve Pressure Tests Charge Relief Lift/Lower Pump Steering Relief 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...
Page 153: Hydraulic Diagrams And Component Locations
HYDRAULICS SECTION 8P. HYDRAULIC DIAGRAMS AND COMPONENT LOCATIONS Hydraulic Hydraulic Filter Tank Front Traction Rear Traction Motor Motor Traction Pump & Reel (Auxiliary) Pump Oil Cooler Rear Traction Front Traction Lift Cylinder Motor Motor Steering Unit Lift/Lower Valve 4WD Valve Reel Valve Figure 8P-1.
Page 154 HYDRAULICS HYDRAULIC SCHEMATIC COLOR 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 (Orifices) Orange Charge Pressure Pressure 8P-64...
Page 155 Hydraulics 4WD Valve Front Wheel 1.35 ci .425 ci Rear 3045 psi 19.0 ci Motors 19.0 ci Gear 3000 Wheel .5 ci .5 ci .5 ci Pump Motors 8.0 ci 8.0 ci 3045 psi 58 psi 1160 psi Steering Unit .60 ci Front RF Reel Motor...
Page 156 Hydraulics 4WD Valve Front Wheel 1.35 ci .425 ci Rear 3045 psi 19.0 ci Motors 19.0 ci 3000 Gear Wheel .5 ci .5 ci .5 ci Pump Motors 8.0 ci 8.0 ci 3045 psi 58 psi 1160 psi Steering Unit .60 ci Front RF Reel Motor...
Page 157 Hydraulics 4WD Valve Front Wheel 1.35 ci .425 ci Rear 3045 psi 19.0 ci Motors 19.0 ci 3000 Gear Wheel .5 ci .5 ci .5 ci Pump Motors 8.0 ci 8.0 ci 3045 psi 58 psi 1160 psi Steering Unit .60 ci Front RF Reel Motor...
Page 158 Hydraulics 4WD Valve Front Wheel 1.35 ci .425 ci Rear 3045 psi 19.0 ci Motors 19.0 ci 3000 Gear Wheel .5 ci .5 ci .5 ci Pump Motors 8.0 ci 8.0 ci 3045 psi 58 psi 1160 psi Steering Unit .60 ci Front RF Reel Motor...
Page 159 Hydraulics 4WD Valve Front Wheel 1.35 ci .425 ci Rear 3045 psi 19.0 ci Motors 19.0 ci 3000 Gear Wheel .5 ci .5 ci .5 ci Pump Motors 8.0 ci 8.0 ci 3045 psi 58 psi 1160 psi Steering Unit .60 ci Front RF Reel Motor...
Page 160 Hydraulics 4WD Valve Front Wheel 1.35 ci .425 ci Rear 3045 psi 19.0 ci Motors 19.0 ci 3000 Gear Wheel .5 ci .5 ci .5 ci Pump Motors 8.0 ci 8.0 ci 3045 psi 58 psi 1160 psi Steering Unit .60 ci Front RF Reel Motor...
Page 161 Hydraulics 4WD Valve Front Wheel 1.35 ci .425 ci Rear 3045 psi 19.0 ci Motors 19.0 ci 3000 Gear Wheel .5 ci .5 ci .5 ci Pump Motors 8.0 ci 8.0 ci 3045 psi 58 psi 1160 psi Steering Unit .60 ci Front RF Reel Motor...
Page 162 Hydraulics 4WD Valve Front Wheel 1.35 ci .425 ci Rear 3045 psi 19.0 ci Motors 19.0 ci Gear 3000 .5 ci .5 ci .5 ci Wheel Pump Motors 8.0 ci 8.0 ci 3045 psi 58 psi 1160 psi Steering Unit .60 ci Front RF Reel Motor...
Page 163 Hydraulics 4WD Valve Front Wheel 1.35 ci .425 ci Rear 3045 psi 19.0 ci Motors 19.0 ci Gear 3000 .5 ci .5 ci .5 ci Wheel Pump Motors 8.0 ci 8.0 ci 3045 psi 58 psi 1160 psi Steering Unit .60 ci Front RF Reel Motor...
Page 164 Hydraulics 4WD Valve Front Wheel 1.35 ci .425 ci Rear 3045 psi 19.0 ci Motors 19.0 ci Gear 3000 .5 ci .5 ci .5 ci Wheel Pump Motors 8.0 ci 8.0 ci 3045 psi 58 psi 1160 psi Steering Unit .60 ci Front RF Reel Motor...
Page 165 SECTION 9 CHASSIS Repair, Service Tools, and Materials ......................1 Materials Required ........................... 1 Failure Analysis .............................. 3 General ..............................3 Fuel Tank ................................ 5 General ..............................5 Removal ..............................5 Installation ..............................5 Hydraulic Tank ..............................7 General ..............................7 Removal ..............................
Page 167: Repair, Service Tools, And Materials
CHASSIS SECTION 9A. REPAIR, SERVICE TOOLS, AND MATERIALS MATERIALS REQUIRED Standard automotive hand tools Tools required: including bearing pullers Stoddard solvent or equivalent Cleaning and Detergent and water refinishing Paint, Jacobsen orange materials: Paint, Jacobsen black Anti-rust, Never-Seize Refer to Section 11 Lubricants: 9A-1...
Page 169: General
CHASSIS SECTION 9B. FAILURE ANALYSIS GENERAL The following table lists common problems, probable causes, and suggested remedies with section refer- ences to detailed descriptions of remedial procedures. PROBLEM PROBABLE CAUSE REMEDY 1. Lift/lower functions do not a. Joystick inoperative a. Check joystick (Section 10G) occur when the joystick is b.
Page 171 CHASSIS SECTION 9C. FUEL TANK GENERAL NOTE: The fuel tank is mounted to the seat pan. The seat The fuel tank is located to the left of the operator. A and seat pan must be removed to remove the fuel mechanical fuel level indicator is built into the tank.
Page 172: Fuel Tank
CHASSIS Fuel Hose Seat Pan Fuel Tank Seat Pan Mounting Bolts Mounting Bolts Mounting Bolts Seat Fuel Tank Seat Pan Figure 9C-1. Fuel Tank Removal/Installation 9C-6...
Page 173: General
CHASSIS SECTION 9D. HYDRAULIC TANK GENERAL The hydraulic tank holds 8 U.S. gallons (30.28 liters). The control panel, seat, and seat pan must be removed The hydraulic tank is mounted to the right of the opera- to remove the tank. tor’s seat.
Page 174: Installation
CHASSIS 9. Tag and disconnect the float switch harness con- 6. Install the control panel on the hydraulic tank nector. cover. 10.Remove the tank from the frame. 7. Connect the negative battery cable on the battery. 11. Remove the cover and filler cap from the tank. 8.
Page 175: General
CHASSIS SECTION 9E. LIFT ASSEMBLY AND CYLINDER GENERAL INSPECTION The lift assembly and lift cylinders are used to lift and Inspect the lift arm, lift yoke, extension springs and lower the reels. The lift arm, yoke, and cylinders are arm, and pivot yoke for sloppy or loose operation mounted using pins, washers, and cotter pins (Figure 9E-2).
Page 177 CHASSIS SECTION 9F. STEERING AXLE GENERAL • Tie rod • Ball joints The steering axles are mounted to the rear of the • Steering arms frame. A hydraulic cylinder actuates the steering. The • Mounting shaft steering cylinder is attached to the left hand arm. The left steering arm is attached to the right hand steering •...
Page 178 CHASSIS 4 WHEEL DRIVE AXLE REPAIR 3. Remove the steering wheels (Section 7C). 4. Remove the steering cylinder (Section 6D). 1. Shut down the engine and remove the ignition key. 5. While supporting the axle, remove the cotter pin, castle nut, mounting plate, and mounting shaft 2.
Page 179 SECTION 10 ELECTRICAL SYSTEM Repair, Service Tools, and Materials ......................1 Materials Required ........................... 1 Failure Analysis .............................. 3 General ..............................3 General Instructions............................7 General ..............................7 Wire Continuity Test ..........................8 Resistance Test ............................8 Battery ................................9 General ..............................
Page 180 Solenoid Test............................32 Lift/Lower Solenoid Testing ........................32 4WD Solenoid Test..........................33 Fuses ................................35 Fuse Tests .............................. 35 Circuit Breakers ............................37 Circuit Breaker Test..........................37 Resistors............................... 39 Resistor Test ............................39 Glow Plugs..............................41 Glow Plug Testing ..........................41 Diodes................................
Page 181: Electrical System
ELECTRICAL SYSTEM SECTION 10A. REPAIR, SERVICE TOOLS, AND MATERIALS MATERIALS REQUIRED Multimeter Tools required: Jumper Wire Baking soda and water Cleaning materials: 10A-1...
Page 183: General
ELECTRICAL SYSTEM SECTION 10B. FAILURE ANALYSIS GENERAL The following table lists common problems, probable causes, and suggested remedies with section refer- ences to detailed descriptions of remedial procedures. PROBLEM PROBABLE CAUSE REMEDY 1. Battery charge is low a. Buildup of corrosive acid a.
Page 184 ELECTRICAL SYSTEM PROBLEM PROBABLE CAUSE REMEDY 3. Engine will not turn over a. Dead battery a. Charge or replace when ignition switch is (Section 10D) engaged b. Neutral start switch faulty or b. Test switch as described in out of adjustment Section 10G.
Page 185 ELECTRICAL SYSTEM PROBLEM PROBABLE CAUSE REMEDY 7. Reels do not come on in a. Mower switch not in a. Push switch to “REVERSE” reverse when mower switch “REVERSE” is in “REVERSE” b. Brake not applied b. Apply brake c. Faulty mower switch c.
Page 187: General
ELECTRICAL SYSTEM SECTION 10C. GENERAL INSTRUCTIONS GENERAL NOTE: Before performing any component or wiring test, Repair of the electrical system is generally limited to check for corrosion and loose or missing connec- the replacement of defective components or wiring. tions. Wiring diagrams and Component Location illustrations If a component (switch, relay, etc.) is removed for test are provided in Section 10Q for troubleshooting and...
Page 188: Wire Continuity Test
ELECTRICAL SYSTEM WIRE CONTINUITY TEST RESISTANCE TEST (Ω) 1. Identify and locate the wire to be checked on the Resistance is measured in Ohms . Using a multim- appropriate wiring diagram (Section 10Q). eter the resistance in a circuit can be tested (Figure 10C-3).
Page 189: General
ELECTRICAL SYSTEM SECTION 10D. BATTERY GENERAL 2. Connect the charger leads to the battery. Connect the positive (+ POS) connector from the charger to the positive battery terminal. Connect the negative For normal service, use a battery rated 12V, 600 cold (- NEG) connector of the charger to the negative cranking amps at 0°F (-18°C) Group BCI24.
Page 190: Testing
ELECTRICAL SYSTEM 3. Make sure the battery terminals are tight and the 3. Crank the engine – if battery voltage falls below 9 cables are in good condition. volts while cranking, the battery is run down or faulty. Charge and perform test again. TESTING 4.
Page 191: General
ELECTRICAL SYSTEM SECTION 10E. CHARGING SYSTEM GENERAL OUTPUT VOLTAGE TEST The charging system consists of a 40-amp alternator 1. Set the multimeter to 20 DC volts. with a built in rectifier/regulator. 2. Place the red (+ POS) lead on the positive termi- nal, and the black (- NEG) lead on the negative The alternator must be disassembled to test the stator, terminal (Figure 10E-1).
Page 192: Voltage Test
ELECTRICAL SYSTEM VOLTAGE TEST REGULATOR TEST 1. Set multimeter to 20 DC volts. 1. Remove the plug from the back of the alternator (Figure 10E-3). 2. Connect NEG (-) lead of multimeter to a good ground. 3. Touch the POS (+) lead of the multimeter to the “B”...
Page 193: General
ELECTRICAL SYSTEM SECTION 10F. STARTER GENERAL 3. Connect the NEG (-) battery cable and turn the ignition switch to the START position. The repair of the starter is covered in the engine manu- Each time the ignition switch is turned to the start position, a click should be heard from the coil.
Page 194 ELECTRICAL SYSTEM 6. Connect the NEG (-) jumper to the NEG (-) battery If the starter motor does not turn or turns slowly, terminal; touch other end of NEG (-) cable to the connect a multimeter set at 20 VDC to the battery starter (Figure 10F-2).
Page 195: General
ELECTRICAL SYSTEM SECTION 10G. SWITCHES GENERAL IGNITION SWITCH TEST This section provides instructions for testing the vari- 1. Disconnect ground (black) cable at battery. ous switches in the electrical system. Repair is limited 2. Remove the control panel from the top of the to replacement of components found faulty during test- hydraulic tank.
Page 196 ELECTRICAL SYSTEM f. Hold ignition switch in the START position. Continuity should be available between termi- Connect one test lead to terminal B and one nals B and S. lead to terminal S. NOTE: If the ignition switch fails any of the above tests, replace the switch.
Page 197 ELECTRICAL SYSTEM Step 5a. Ignition Switch in OFF Position Step 5b. Ignition Switch in RUN Position Step 5c. Ignition Switch in RUN Position 10G-17...
Page 198 ELECTRICAL SYSTEM Step 5d. Ignition Switch in RUN Position Step 5d. Ignition Switch in GLOW PLUG Position Step 5e. Ignition Switch in START Position 10G-18...
Page 199: Water Temperature Switch Test
ELECTRICAL SYSTEM WATER TEMPERATURE SWITCH PARKING BRAKE, NEUTRAL TEST START, REEL POSITION, AND 4WD DROP OUT PROXIMITY SWITCHES The water temperature switch is used to warn the oper- TEST ator if the engine coolant temperature exceeds safe limits. The switch is mounted at the base of the upper radiator hose opposite the coolant temperature sender.
Page 200: Sensitivity Test
ELECTRICAL SYSTEM SENSITIVITY TEST of the switch magnet (Figure 10G-4). The switch con- tacts must remain closed for a minimum travel of 0.18”. The reed contacts should close within 0.05” minimum Travel of the metallic object may be from either direc- from alignment of the metallic object and the centerline tion.
Page 201: Backlap Switch Test
ELECTRICAL SYSTEM NOTE: Replace the switch if it does not meet the above test results. Position Terminal Continuity None FWD ON 1& 2 and 4 & 5 REV ON 2 & 3 and 5 & 6 If other terminals test with continuity, the switch should be replaced.
Page 202: Wheel Drive Switch Test
ELECTRICAL SYSTEM 4 WHEEL DRIVE SWITCH TEST 3. Set the multimeter to the continuity scale. 4. Place the switch in the OFF position. Check conti- The 4 wheel drive switch is mounted on the control nuity between all terminals (Figure 10G-7). panel.
Page 203: Light Switch Test
ELECTRICAL SYSTEM NOTE: Replace the joystick if it does not meet all the above test results. Position Terminal Continuity 1 & 3 and 6 & 4 RAISE 1 & 2 and 4 & 6 LOWER 1 & 3, 5 & 6 If other terminals test with continuity, the switch should be replaced.
Page 204: Horn Switch
ELECTRICAL SYSTEM HORN SWITCH 3. Set the multimeter to the continuity scale. 4. Place the switch in the OFF position. Check all ter- The horn switch is mounted on the control panel and minals for continuity (Figure 10G-10). has two positions (ON/OFF). The switch is used to Continuity should be available between terminal 4 sound the horn.
Page 205 ELECTRICAL SYSTEM 5. Using instructions in the Parts & Maintenance NOTE: Manual, fill the hydraulic tank to the proper level. Replace the switch if it does not meet the above test results. Float Switch Wiring Harness Connector Control Panel Figure 10G-11. Float Switch Test 10G-25...
Page 207: General
ELECTRICAL SYSTEM SECTION 10H. SENDERS GENERAL ENGINE OIL PRESSURE SENDER TEST Senders are used to activate a light or gauge to warn the operator of a condition in the engine. A temperature The oil pressure sender is pressure sensitive and acts sender monitors engine coolant temperature and dis- as a ground for the oil pressure light on the control plays the result on a temperature gauge.
Page 209: Relays
ELECTRICAL SYSTEM SECTION 10I. RELAYS AND SOLENOIDS RELAYS RELAY TEST Relays are electromechanical devices used to control The relays can be checked for proper operation as fol- the transmission of electrical current with a circuit. A lows: schematic of the internal movement of the relay is 1.
Page 210: Solenoids
ELECTRICAL SYSTEM SOLENOIDS FUEL SOLENOID TEST While solenoids are similar to relays in construction, When the ignition switch is placed in the START posi- solenoids have a different purpose. The solenoids tion, the fuel solenoid plunger is drawn open allowing used in the LF-1880 electrical system when energized fuel to flow to the engine fuel system.
Page 211: Reel Valve Solenoids
ELECTRICAL SYSTEM COIL OPERATION pressure may be too low or the injection pump may be faulty (Figure 10I-4). See the engine manufacturer’s If the above test results are satisfactory, the fuel supply manual for engine fuel system requirements. to the injection pump may be faulty, the fuel pump Fuel Solenoid Gn/Rd Wire Brn Wire...
Page 212: Solenoid Test
ELECTRICAL SYSTEM SOLENOID TEST If there is no voltage indication on the multimeter, replace the coil. The solenoid valves can be tested using the following procedure. 1. Shut down the engine and place the ignition switch in the RUN position and release the park- ing brake.
Page 213: 4Wd Solenoid Test
ELECTRICAL SYSTEM Ω 4WD SOLENOID TEST 4. Set the multimeter to 200 5. Connect the test leads to the solenoid socket. The 4WD control valve shifts the LF-1880 from two- wheel drive to four-wheel drive. The solenoid valve is The multimeter should indicate approximately Ω...
Page 215: Fuse Tests
ELECTRICAL SYSTEM SECTION 10J. FUSES FUSE TESTS b. Connect one test lead to each fuse blade (Figure 10J-1). The fuses are located in the fuse block mounted on the right side of the mower frame. A plastic cover protects Continuity should be available between the the fuses and must be removed for access.
Page 217: Circuit Breakers
ELECTRICAL SYSTEM SECTION 10K. CIRCUIT BREAKERS CIRCUIT BREAKER TEST 4. Connect the red test lead to each of the circuit breaker terminals in turn (Figure 10K-1). A circuit breaker (CB1) protects the electrical system The multimeter should indicate battery voltage at both circuit breaker terminals.
Page 219: Resistor Test
ELECTRICAL SYSTEM SECTION 10L. RESISTORS RESISTOR TEST 4. Connect one test lead in each resistor socket (Figure 10L-1). A resistor is connected between the alternator ignition Ω The multimeter should indicate 75 . If the resis- connection and the alternator field lead. The resistor tor indicates more or less than Ω...
Page 221: Glow Plugs
ELECTRICAL SYSTEM SECTION 10M. GLOW PLUGS GLOW PLUG TESTING 4. Place one test lead to the glow plug connector stud and the other test lead to the base of the glow plug or a good ground (Figure 10M-1). The glow plugs warm the engine precombustion cham- The multimeter should indicate approximately ber and help the engine to start during cold weather.
Page 223: Diodes
ELECTRICAL SYSTEM SECTION 10N. DIODES DIODES Using the electrical schematics in Section 10Q, remove the diode card cover and carefully test each diode. If Diodes used in the LF-1880 are solid-state devices that continuity is not available in both directions in the allow current to flow in one direction but not the other.
Page 225: General
ELECTRICAL SYSTEM SECTION 10O. GAUGES GENERAL WATER TEMPERATURE GAUGE TEST Repair of gauges and sensing units are limited to the replacement of faulty components or wiring. Before Test the water temperature gauge using the following replacing a gauge that is not working, make sure to procedure (Figure 10O-1).
Page 227: Fuel Pump Test
ELECTRICAL SYSTEM SECTION 10P. FUEL PUMP FUEL PUMP TEST 5. Place the ignition switch in the RUN position. The multimeter should indicate battery voltage. The fuel pump is located underneath the seat and seat If voltage is not indicated, check wiring harness pan.
Page 229 ELECTRICAL SYSTEM SECTION 10Q. WIRING DIAGRAMS AND COMPONENT LOCATIONS Figure 10Q-1. Electrical Component Location 10Q-49...
Page 231 Electrical System Joystick Glow Plug Relay RH Work Light Tn/Bk Light Switch Ye/Wh Raise Og/Wh Og/Pk Gn/Rd Tn/Wh Horn Switch LH Work Light Fuse F2 Fuse F3 Lower LB/Wh Diode Block DB2 Ye/Wh Og/Ye Rd/Wh Og/Pk Og/Pk Og/Pk DB/Rd DG/Tn Gn/Rd Float Switch Hydraulic Warning Light...
Page 232 Electrical System Joystick Glow Plug Relay RH Work Light Tn/Bk Light Switch Ye/Wh Raise Og/Wh Og/Pk Gn/Rd Tn/Wh Horn Switch LH Work Light Fuse F2 Fuse F3 Lower LB/Wh Diode Block DB2 Ye/Wh Og/Ye Rd/Wh Og/Pk Og/Pk Og/Pk DB/Rd DG/Tn Float Switch Gn/Rd Hydraulic Warning Light...
Page 233 Electrical System Joystick Glow Plug Relay RH Work Light Tn/Bk Light Switch Ye/Wh Raise Og/Wh Og/Pk Gn/Rd Tn/Wh Horn Switch LH Work Light Fuse F2 Fuse F3 Lower LB/Wh Diode Block DB2 Ye/Wh Og/Ye Rd/Wh Og/Pk Og/Pk Og/Pk DB/Rd DG/Tn Float Switch Gn/Rd Hydraulic Warning Light...
Page 234 Electrical System Joystick Glow Plug Relay RH Work Light Tn/Bk Light Switch Ye/Wh Raise Og/Wh Og/Pk Gn/Rd Tn/Wh Horn Switch LH Work Light Fuse F2 Fuse F3 Lower LB/Wh Diode Block DB2 Ye/Wh Og/Ye Rd/Wh Og/Pk Og/Pk Og/Pk DB/Rd DG/Tn Float Switch Gn/Rd Hydraulic Warning Light...
Page 235 Electrical System Joystick Glow Plug Relay RH Work Light Tn/Bk Light Switch Ye/Wh Raise Og/Wh Og/Pk Gn/Rd Tn/Wh Horn Switch LH Work Light Fuse F2 Fuse F3 Lower LB/Wh Diode Block DB2 Ye/Wh Og/Ye Rd/Wh Og/Pk Og/Pk Og/Pk DB/Rd DG/Tn Float Switch Gn/Rd Hydraulic Warning Light...
Page 236 Electrical System Joystick Glow Plug Relay RH Work Light Tn/Bk Light Switch Ye/Wh Raise Og/Wh Og/Pk Gn/Rd Tn/Wh Horn Switch LH Work Light Fuse F2 Fuse F3 LB/Wh Lower Diode Block DB2 Ye/Wh Og/Ye Rd/Wh Og/Pk Og/Pk Og/Pk DB/Rd DG/Tn Float Switch Gn/Rd Hydraulic Warning Light...
Page 237 SECTION 11 PREVENTIVE MAINTENANCE General ................................1 Preventive Maintenance........................... 1 Scheduling ............................... 1 Administration ............................1 Lubrication and Maintenance Schedules......................3 General ..............................3...
Page 239 PREVENTIVE MAINTENANCE SECTION 11A. GENERAL PREVENTIVE MAINTENANCE altered as experience is gained with the type of equip- ment and the environmental conditions. Preventive maintenance (PM) is maintenance per- When performing preventive maintenance tasks, watch formed to prevent malfunctions and component break- for conditions that appear abnormal.
Page 241 PREVENTIVE MAINTENANCE SECTION 11B. LUBRICATION AND MAINTENANCE SCHEDULES GENERAL 1. Always clean the grease fittings before and after lubricating. This section contains lubrication and maintenance 2. Lubricate with grease that meets or exceeds NLGI Grade 2 LB specifications. Apply grease with a schedules.
Page 242 ***Inspect visible hoses and tubes for leaks or oil marks. I = Manual grease gun with NLGI Grade 2 (Service Class LB). II = Use Textron Golf, Turf & Speciality Products Green- sCare 68 hydraulic fluid: Capacity: 8 gallons (30 liters). Order Part No. 5003102, containing 55 gallons (208 liters) drum or Part No.
Page 243 SECTION 12 ATTACHMENTS Repair, Service Tools, and Materials ......................1 Materials Required ........................... 1 Failure Analysis .............................. 3 General ..............................3 General Instructions............................5 General ..............................5 Bedknife Variations ..........................5 Preparation for Repair ..........................5 Deflector and Throw Shield ........................5 Mower and Reel Adjustments.........................
Page 245: Materials Required
ATTACHMENTS SECTION 12A. REPAIR, SERVICE TOOLS, AND MATERIALS MATERIALS REQUIRED Standard automotive hand tools, includ- Tools required: ing: • Driving tools and seal spreaders • Reel Grinder • Bedknife Grinder • Lapping Machine • Bearing Puller • Sheet Metal Pliers Stoddard solvent or equivalent Cleaning Detergent and water...
Page 247: General
ATTACHMENTS SECTION 12B. FAILURE ANALYSIS GENERAL The following table lists common problems, probable causes, and suggested remedies with section refer- ences to detailed descriptions of remedial procedures. PROBLEM PROBABLE CAUSE REMEDY 1. Mower does not turn a. Reel is jammed with grass a.
Page 248 ATTACHMENTS PROBLEM PROBABLE CAUSE REMEDY 6. Ragged cutting a. Bedknife has damaged edge a. Sharpen (Section 12E) and/or face b. Reel not sharp b. Sharpen (Section 12E) c. Poor reel to bedknife adjust- c. Adjust (Section 12D) ment 12B-4...
Page 249: General
ATTACHMENTS SECTION 12C. GENERAL INSTRUCTIONS GENERAL The cutting and grooming attachments are exposed to water (daily washing), grass clippings, sand, corrosive Carefully read the following instructions to make cer- fertilizers, and foreign objects such as tees. It may be tain they pertain to your machine. necessary to use bearing pullers and/or wooden chocks and hammers to free up some parts such as BEDKNIFE VARIATIONS...
Page 251: Down Pressure Adjustment
ATTACHMENTS SECTION 12D. MOWER AND REEL ADJUSTMENTS DOWN PRESSURE ADJUSTMENT Each reel is equipped with a down pressure spring. Down pressure improves cutting quality by ensuring good contact between the reel and ground when cut- ting uneven surfaces. Check and adjust down pressure any time the cutting height has been changed (see Figure 12D-1) 1.
Page 252: Cutting Height Adjustment
ATTACHMENTS For the optional high profile bedknife, the front 8. Set the leading edge of the reel. face should be 0.09375 in (2.38 mm) For the 9. Slide a feeler gauge or shim stock — 0.001 to ultraknife, the front face should be 0.140625 in 0.003 in (0.025 to 0.076 mm) —...
Page 253 ATTACHMENTS 2. Set cutting height gauge to the desired height by 3. Place the gauge bar across the bottom of the front measuring between the underside of the screw and rear rollers near one end. head and the gauge bar surface and tighten the 4.
Page 255: General
ATTACHMENTS SECTION 12E. SHARPENING REELS AND BEDKNIVES GENERAL broken welds, worn bearings, or loose attaching hard- ware can cause poor quality cutting. Solve such prob- When a mower reel rotates, it cuts off the tops of grass lems by making sure the bedknife mounting screws blades which are lifted and held erect by a flat station- and other hardware are secure and by replacing parts ary bedknife.
Page 256: Bedknife Front Face Angle
ATTACHMENTS BEDKNIFE FRONT FACE ANGLE BACKLAPPING If grass is to be cut at the desired height, it must con- General tact the front edge (front face) of the bedknife at the proper angle. This front face angle is called the “front Lapping is to be considered a honing process and face relief”...
Page 257: Backlapping On The Tractor
ATTACHMENTS BACKLAPPING ON THE TRACTOR 9. Repeat the entire process on the other reels. 10.After lapping, turn the mow switch to OFF (center position) and set the backlap to FORWARD rota- tion. WARNING NOTE: The backlap control limits reverse speed only. Since the engine is operating during lapping on the Once the desired backlapping speed has been machine, never backlap on the machine without...
Page 258: Reel Repair And Grinding
ATTACHMENTS REEL REPAIR AND GRINDING CAUTION Reel blades and bedknife that are slightly dull or have minor nicks or high spots can be reconditioned quickly Always install blotter washers between the grinding and easily by lapping. Grinding is required when more wheel and the flanges.
Page 259 ATTACHMENTS 4. Grind the top face and front face as described in the preceding paragraphs. NOTE: The bedknife end at which the reel first makes contact is called the leading end. A beveled cor- ner (dub) is ground on this end. It is important that the dub be maintained throughout the life of the bedknife.
Page 261: Removal
ATTACHMENTS SECTION 12F. LF-1880 MOWER UNITS REMOVAL BEDKNIFE REPLACEMENT Bedknives that cannot be repaired by lapping or grind- 1. Lower the mower units to the ground. Mark or note the position of the down pressure adjustment pins ing should be replaced. The bedknife is held to the (see Section 12D).
Page 262: Inspection
ATTACHMENTS INSPECTION 2. Discard seals and bearings. 3. Check the frame for cracks and/or bent frame 1. Inspect the reel, if cracked or broken, repair using members. a #7018 low hydrogen welding rod. Figure 12F-3. Mower Unit Repair (Sheet 1 of 2) 12F-18...
Page 263 ATTACHMENTS Figure 12F-3. Mower Unit Repair (Sheet 2 of 2) 12F-19...
Page 264: Reel Reassembly
ATTACHMENTS REEL REASSEMBLY 6. Repeat Step 5 on the right side of the frame. 7. On the left, install the bearing cone and snap ring. NOTE: 8. On the right, install the bearing cone and spring. See the Magknife Installation section for instruc- tions on replacing the existing bedknife and bed- ®...
Page 265: Magknife Installation
ATTACHMENTS MAGKNIFE INSTALLATION 3. Position the bedknife for installation on the bed- knife shoe and over the dowel pins (Figure 12F-6). NOTE: Contact your local authorized Jacobsen dealer for availability and installation of the Jacobsen Magknife bedknife system. The Magknife bedknife system uses powerful magnets and dowel pins to secure the bedknife to the bedknife shoe.
Page 267: Disassembly
ATTACHMENTS SECTION 12G. FRONT ROLLER DISASSEMBLY 3. Insert the shaft in the roller. 4. At each end of the roller, install the bearing cone 1. Remove the lock nut, deflector cup, and seal on and wear sleeve. each end of the roller. 5.
Page 269: Disassembly
ATTACHMENTS SECTION 12H. REAR ROLLER DISASSEMBLY REASSEMBLY 1. Remove roller from the cutting unit (see 1. Use a suitable press to install a bearing cup, taper Section 12F). to the outside, in one of the roller tubes. 2. Remove locknuts from both ends of the roller 2.
Page 271 SECTION 13 OPTIONS Repair, Service Tools, and Materials ......................1 Materials Required ........................... 1 Vertical Mower ..............................3 General ..............................3 Repair and Service........................... 3 Changing Blade Spacing .......................... 4 Repair of Front Roller, Grass Shields, and Scrapers ................4 Cutting Depth Adjustment ........................
Page 273: Materials Required
OPTIONS SECTION 13A. REPAIR, SERVICE TOOLS, AND MATERIALS MATERIALS REQUIRED Standard automotive hand tools, includ- ing: Tools required: • Driving tools • Bearing pullers • Seal spreaders Stoddard solvent or equivalent Cleaning materials: Detergent and water Refer to Section 11 Lubricants: Gauge bar for adjusting height of cut (Part No.
Page 275: Vertical Mower
OPTIONS SECTION 13B. VERTICAL MOWER GENERAL Individual blades are readily removed without removing the reel from the frame. To replace the blades, back off Vertical mower attachments are normally used as the blade clamp nut 0.25 to 0.375 in (6.3 to 9.5 mm). replacements for standard reel mowers when thatch Pull the spacer next to the blade to be removed toward removal and grain control is the primary greens and...
Page 276: Changing Blade Spacing
OPTIONS 3. Clean the bearings in solvent and dry. Replace 5. Install the mower on the machine as described in worn or badly pitted bearings. Pack the bearing Section 12D. cups and cone with grease and reassembly. CHANGING BLADE SPACING Grease all lube fittings after reassemble.
Page 277: Cutting Depth Adjustment
OPTIONS Figure 13B-3. Disassembly and Reassembly of Front Rollers, Grass Shields, and Scrapers CUTTING DEPTH ADJUSTMENT final adjustment with a scale to measure the distance the tooth projects below the roller contacting the edge With the engine stopped and the reels raised, adjust of the gauge.
Page 279: Grooved Roller
OPTIONS SECTION 13C. TURF GROOMER GROOVED ROLLER 2. Remove the roller shaft nuts and spacer(s). 3. On the motor end, remove the groomer side plates. Removal 4. Remove the roller. 1. Loosen setscrews on the outer roller shaft nuts (Figure 13C-1). Figure 13C-1.
Page 280: Groomer Shaft Assembly
OPTIONS 4. Install the nilos ring onto the shaft. 2. Position the roller end in the groomer side frame. 5. Install the bearing, seal side first, onto the shaft. 3. Install the groomer side frame on the motor end, tighten hardware as shown. 6.
Page 281 OPTIONS 6. Remove the groomer mounting bracket and groomer shaft. Figure 13C-4. Groomer Shaft Assembly Bearing Replacement 3. Remove the outer snap ring from the bearing housing. Disassembly 4. Remove the seal and inner snap ring. 5. Press the bearing from the bearing housing. 1.
Page 282 OPTIONS Reassembly 2. Install the inner snap ring and press in the new seal (lip to the inside). 3. Install the outer snap ring and spacer. CAUTION 4. On the drive end install the spacer, square drive key, and driven gear. Properly support the retainer to prevent damage.
Page 283 OPTIONS Reassembly NOTE: It is necessary to align the blades with the 1. Install and set the blade retainer nut on the drive grooves of the roller. This can be done after end, 1 in from the shoulder of the shaft to inside of the nut (see Figure 13C-6 inset).
Page 284 OPTIONS 9. Install the cover. Torque the capscrews to 6 to 8 2. Loosen the front roller locknuts. Slide the roller ft-lbs (8 to 10.8 Nm). toward the belt case end until the cutter contacts the roller discs. 10.Align the blades to roller as described in the Blade to Roller Alignment section.
Page 285 OPTIONS Bearing Adjustment 4. Using two wrenches, hold the cutter retaining nut (A) and slowly turn the bearing adjustment nut (B) until it just contacts the bearing spacer, slight 1. Remove the nylon clamp and loosen the capscrew resistance will be felt. on the end of the groomer shaft (Figure 13C-8).
Page 286: Drive
OPTIONS DRIVE NOTE: The spacer will be damaged during bearing removal, discard and install a new spacer. Drive Pulley Repair 5. Remove the snap ring and press out the inner 1. Remove the belt case cover, clutch, and drive key bearing.
Page 287 OPTIONS 7. Install the snap ring and new spacer. 9. When the bearing has been pressed 3/4 of the way in the drive gear, center the spacer. Continue NOTE: pressing the bearing until it contacts the center spacer. The spacer does not have to be centered at this point.
Page 288 OPTIONS Belt Adjustment CAUTION 1. Remove the belt case cover. 2. Slightly loosen the tightener eccentric and bearing DO NOT OVERTIGHTEN BELT. Belt and bearing housing capscrews (Figure 13C-14). may be damaged if overtightened. 3. Using a deep socket, turn the eccentric tightener by hand until the belt just becomes tight.
Page 289: Clutch Assembly
OPTIONS CLUTCH ASSEMBLY When working on the clutch, place it pulley side down on a work bench. Clutch repair is limited to replacing worn or broken springs and/or clutch pins (Figure 13C-15). Figure 13C-15. Clutch Assembly QUICK HEIGHT ADJUST ASSEMBLY If the control is loose when locked in a notch, proceed as follows: Repair...
Page 290: Micro Height Adjust Assembly
OPTIONS MICRO HEIGHT ADJUST As the time of assembly make sure the roll pin in the pin assembly is on the BOTTOM when installing the ASSEMBLY pin assembly in the pivot block. The micro height adjust can be disassembled for repairs as shown in Figure 13C-17.
Page 291 OPTIONS SECTION 13D. POWER REAR ROLLER CLEANER ASSEMBLY c. Add one lockwasher (35) and nut (20), but do not tighten. 1. Remove and discard the existing hardware hold- 6. Complete the brush assembly by adding one ing the rear roller in place (Figure 13D-1). spacer (12), spring (7), and the key (11).
Page 292 OPTIONS Figure 13D-1. Power Rear Roller Cleaner 13D-20...
Page 293 SECTION 14 MISCELLANEOUS Precaution Decal Locations ..........................1 Conversion Charts ............................3 Millimeters to Decimals Conversion ......................3 US to Metric Conversion .......................... 5...
Page 295 MISCELLANEOUS SECTION 14A. PRECAUTION DECAL LOCATIONS 3 - Part No. 365956 1 - Part No. 3001435 2 - Part No. 4102682 4 - Part No. 340623 5 - Part No. 3000435 7 - Part No. 361877 6 - Part No. 1000997 Figure 14A-1.
Page 297 MISCELLANEOUS SECTION 14B. CONVERSION CHARTS MILLIMETERS TO DECIMALS CONVERSION Table 14B-1: Millimeters to Decimals Decimal Decimal Decimal Decimal Decimal 0.01 0.00039 0.41 0.01614 0.81 0.03189 0.82677 2.40157 0.02 0.00079 0.42 0.01654 0.82 0.03228 0.86614 2.44094 0.03 0.00118 0.43 0.01693 0.83 0.03268 0.90551 2.48031...
Page 298 MISCELLANEOUS Table 14B-1: Millimeters to Decimals Decimal Decimal Decimal Decimal Decimal 0.23 0.00906 0.63 0.02480 0.11811 1.69291 3.26772 0.24 0.00946 0.64 0.02520 0.15748 1.73228 3.30709 0.25 0.00984 0.65 0.02559 0.19685 1.77165 3.34646 0.26 0.01204 0.66 0.02598 0.23622 1.181102 3.38583 0.27 0.01063 0.67 0.02638...
Page 299 MISCELLANEOUS US TO METRIC CONVERSION Table 14B-2: US to Metric To Convert Into Multiply By Miles Kilometers 1.609 0.9144 Yards Meters Feet Meters 0.3048 Linear Measurement Feet Centimeters 30.48 Inches Meters 0.0254 Inches Centimeters 2.54 Inches Millimeters 25.4 Square Miles Square Kilometers 2.59 Square Feet...

Textron Jacobsen LF-1880 Service & Repair Instructions

Section 2 Controls 2

Section 3 Engine

Section 4 Drive Train

Section 5 Brake System

Section 6 Steering

Section 7 Wheels and Tires

Section 8 Hydraulics

Section 9 Chassis

Section 10 Electrical System

Section 12 Attachments

Section 13 Options

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