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Piston (Traction) Pump 10 11 1 23 15 14 11 32 33 14 20 24 4 103 to 118 ft-lb (140 to 160 N -m) 21 3 24 22 34 22 18 16 31 7 6 5 2 8 19 17 13 12 30 79 to 84 ft -lb (108 to 113 N -m) 27 25 RIGHT FRONT 9 28 29 26 79 to 84 ft -lb (108 to 113 N -m) 1. Hydraulic T fitting 2. Roll pin 3. 90 o hydraulic fitting 4. Piston pump 5. Flat washer (2 used) 6. Cap screw (2 used) 7. Hydraulic fitting (2 used) 8. 90 o hydraulic fitting 9. Hydraulic fitting 10. Hydraulic hose 11. O -ring 12. Pump spacer Figure 53 13. O -ring (2 used) 14. O -ring 15. 90 o hydraulic fitting (2 used) 16. Pump coupler 17. O -ring 18. Flat washer (2 used) 19. Cap screw (2 used) 20. Engine 21. Gear pump 22. O -ring 23. Hydraulic hose 24. O -ring 25. Hose clamp 26. Hydraulic hose 27. O -ring 28. Hose clamp 29. Hydraulic hose 30. O -ring 31. O -ring 32. Hydraulic hose 33. Hydraulic hose 34. Hydraulic fitting Hydraulic System Page 4 - 74 Groundsmaster 4100--D
Removal (Fig. 53) 1. Park machine on a level surface, lower cutting deck, stop engine, apply parking brake and remove key from the ignition switch. 2. To prevent contamination of hydraulic system during removal, thoroughly clean exterior of pump assembly. 3. Remove traction rod from control arm on piston pump by removing lock nut, spacer and cap screw (Fig. 54). 4. Disconnect wire harness connector from neutral switch on piston pump. 5. Read the General Pre<strong>caution</strong>s for Removing and Installing Hydraulic System Components at the beginning of the Service and Repairs section of this chapter. 6. For installation purposes, label all hydraulic lines that connect to gear pump and piston pump. 7. Put a drain pan below the pump assembly. Remove hydraulic hoses and fittings connected to piston and gear pumps. Put plugs or caps on disconnected hydraulic hoses to prevent contamination of the system. Put plugs in open ports of pumps. NOTE: If fuel tank is loosened and raised from the machine, the gear pump and piston pump can be removed as a complete assembly. 8. Remove gear pump from machine (see Gear Pump Removal in this section). 9. Support the piston pump to prevent it from falling while removing two (2) cap screws and washers retaining pump assembly to engine flywheel plate. Carefully pull pump assembly from flywheel plate and raise it out of the machine. Installation (Fig. 53) 1. Carefully lower piston pump into the machine, align pump input shaft to spring coupler on engine and position it to the engine flywheel plate. Support pump to prevent it from producing any side load into coupler and also to align pilot diameter of pump to flywheel plate bore. 2. While maintaining pump alignment with spring coupler and flywheel plate, install two (2) cap screws and washers to secure piston pump to engine flywheel plate. Torque screws from 79 to 84 ft -lb (108 to 113 N -m). 3. Install gear pump to piston pump (see Gear Pump Installation). 4. Position traction rod to control arm on piston pump by installing cap screw, spacer and lock nut (Fig. 54). 5. Connect wire harness connector to neutral switch on traction pump. 6. Remove plugs or caps from disconnected hydraulic hoses and open ports of the pump assembly. Install fittings and hoses to correct location on gear and piston pumps. 7. Install new filter and fill hydraulic reservoir with correct oil. 8. Disconnect engine run solenoid electrical connector to prevent engine from starting. Prime pumps by turning ignition key switch to crank engine for 10 seconds. Repeat cranking procedure again. 9. Connect engine run solenoid electrical connector, start the engine and check for proper operation. 10.Properly fill hydraulic system (see Charge Hydraulic System in this section). 11.Stop engine and check for hydraulic oil leaks. Check hydraulic reservoir oil level. 6 7 5 1. Piston pump 2. Cap screw 3. Pump control arm 4. Spacer 4 8 3 Figure 54 2 5. Lock nut 6. Jam nut 7. Traction rod 8. Rod end 1 Hydraulic System Groundsmaster 4100--D Page 4 - 75 Hydraulic System
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Part No. 08162SL (Rev. A) Service M
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Table Of Contents Chapter 1 - Safet
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Table of Contents GENERAL SAFETY IN
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Maintenance and Service 1. Before s
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Safety and Instruction Decals Numer
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Chapter 2 Table of Contents Product
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Torque Specifications Recommended f
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Standard Torque for Dry, Zinc Plate
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Chapter 3 Kubota Diesel Engine Tabl
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Specifications Item Make / Designat
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Removal (Fig. 1) 1. Park machine on
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Removal (Fig. 5) CAUTION B The muff
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DANGER Because diesel fuel is highl
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Engine Removal (Fig. 9) 1. Park mac
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3. Slowly lower engine into the mac
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Coupler Removal (Fig. 16) NOTE: The
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Chapter 4 Hydraulic System Table of
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General Information Operator’s Ma
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Hydraulic Hose and Tube Installatio
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Adjustable Fitting (Fig. 8) 1. Make
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Hydraulic System This page is inten
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Traction Circuit: 4WD (Mow) The tra
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Traction Circuit: Transport (2WD) T
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Lower Cutting Deck A four section g
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Raise Cutting Deck A four section g
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Mow Circuit Hydraulic flow for the
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Hydraulic System This page is inten
Page 57 and 58: Steering Circuit A four section gea
Page 59 and 60: Engine Cooling Fan Circuit A four s
Page 61 and 62: Hydraulic Test Fitting Kit This kit
Page 63 and 64: Problem Traction power is lost or u
Page 65 and 66: Testing The most effective method f
Page 67 and 68: Procedure for Traction Circuit Char
Page 69 and 70: Procedure for Traction Circuit Reli
Page 71 and 72: Procedure for Counterbalance Pressu
Page 73 and 74: Procedure for Rear Traction Circuit
Page 75 and 76: Procedure for Traction Circuit Redu
Page 77 and 78: Procedure for Cutting Deck Circuit
Page 79 and 80: Procedure for Cutting Deck Manifold
Page 81 and 82: Procedure for Cutting Deck Gear Pum
Page 83 and 84: Procedure for Cutting Deck Motor Ca
Page 85 and 86: Procedure for Steering Circuit Reli
Page 87 and 88: Procedure for Lift/Lower Circuit Re
Page 89 and 90: Procedure for Steering and Lift/Low
Page 91 and 92: Procedure for Engine Cooling Fan Ci
Page 93 and 94: Procedure for Engine Cooling Fan Ci
Page 95 and 96: Service and Repairs General Precaut
Page 97 and 98: Charge Hydraulic System NOTE: When
Page 99 and 100: NOTE: The front frame needs to be l
Page 101 and 102: Removal (Fig. 48) CAUTION The radia
Page 103 and 104: Removal (Fig 49) 1. Park machine on
Page 105 and 106: IMPORTANT: Use caution when clampin
Page 107: Hydraulic System This page is inten
Page 111 and 112: Hydraulic System This page is inten
Page 113 and 114: Removal (Fig. 56) 1. Park machine o
Page 119 and 120: Removal (Fig. 59) NOTE: The ports o
Page 121 and 122: 4WD Manifold Service (Fig. 60) 1. M
Page 123 and 124: Removal (Fig. 61) 1. Read the Gener
Page 125 and 126: Filter Manifold Service (Fig. 62) F
Page 131 and 132: CAUTION The centering springs are u
Page 135 and 136: Disassembly (Fig. 68) 1. Pump oil o
Page 139 and 140: 8. Remove and discard back--up gask
Page 143 and 144: Removal (Fig. 75) 1. Read the Gener
Page 145 and 146: Fan Drive Manifold Service (Fig. 76
Page 147 and 148: Cutting Deck Motor Removal 1. Park
Page 149 and 150: IMPORTANT: Mark the relative positi
Page 153 and 154: Removal (Fig. 85) NOTE: The ports o
Page 155 and 156: PTO Manifold Service (Fig. 86) For
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Removal (Fig. 88) 1. Park machine o
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Disassembly (Fig. 89) 1. Plug all p
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Disassembly (Figs. 92 and 93) 1. Re
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Removal (Fig. 94) 1. Read the Gener
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Chapter 5 Electrical System Table o
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Special Tools Order special tools f
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Troubleshooting CAUTION Remove all
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Cutting Deck Operating Problems The
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Adjustments Wing Deck Position Swit
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Component Testing For accurate resi
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Warning Lights Engine Oil Pressure
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Transport / 4WD Switch The transpor
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Seat Switch The seat switch is norm
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Hour Meter The hour meter is locate
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Start, Engine Shutdown, Seat, Alarm
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TEC -5002 Controller Groundsmaster
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Fuel Gauge The fuel gauge can be te
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Glow Controller The glow controller
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Dual Temperature Switch The dual te
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Traction Neutral Switch The tractio
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Fusible Links The Groundsmaster 410
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Cutting Deck Raise and Lower Switch
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Service and Repairs NOTE: For engin
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2. Conduct a hydrometer test of the
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Chapter 6 Axles, Planetaries and Br
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General Information Operator’s Ma
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3. Chock rear wheels and jack up fr
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This page is intentionally blank. A
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NOTE: The planetary wheel drive ass
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This page is intentionally blank. A
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8. Remove cap screw and flange nut
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Bevel Gear Case and Axle Case The f
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Bevel Gear Case and Axle Case Insta
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9. Remove the bevel gear case/axle
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Axle Shafts The following procedure
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7. Secure the lock nut with the sta
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Differential Gear Inspection 1. Mea
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Pinion Gear to Ring Gear Engagement
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Chapter 7 Chassis Table of Contents
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Disassembly (Fig. 1) 1. Park machin
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CAUTION When changing attachments,
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Disassembly (Fig. 8) 1. Disassemble
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NOTE: Most of the seat suspension c
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Removal 1. Park machine on a level
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Chapter 8 Cutting Deck Table of Con
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General Information CAUTION Never i
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This page is intentionally blank. C
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Removal (Fig. 1) 1. Position machin
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Removal (Fig. 6) 1. Position machin
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Cutting Deck Link Service Disassemb
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Installation (Fig. 13) 1. Position
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2. Install outer bearing spacer int
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Disassembly (Fig. 22) 1. Park machi
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Chapter 9 Foldout Drawings Table of
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CENTER DECK MANIFOLD COUNTERBALANCE
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CONTINUES FROM SHEET 1 CONTINUES FR
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CONTINUES TO SHEET 2 CONTINUES TO S
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CONTINUES TO SHEET 2 WHEN THE PTO S
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CONTINUES TO SHEET 2 CONTINUES TO S
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YELLOW GRAY YELLOW/BLACK VIOLET WHI
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FLOW DIVIDER SOLENOID Groundsmaster
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(STARTER) (STARTER) (STARTER) Groun
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BLUE GRAY VIOLET BLACK YELLOW GRAY
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