Service Manual
Table Of Contents
- Title Page
- Revision History
- Reader Comments
- Preface
- Table of Contents
- 1 - Safety
- 2 - Product Records and Maintenance
- 3 - Kubota Diesel Engine
- 4 - Hydraulic System
- Specifications
- General Information
- Hydraulic Schematic
- Hydraulic Flow Diagrams
- Special Tools
- Troubleshooting
- Testing
- Traction Circuit Relief Valve (R3) and (R4) Pressure Test
- Traction Circuit Charge Pressure Test
- Gear Pump (P3) Flow Test
- Front Wheel Motor Efficiency Test
- Piston (Traction) Pump Flow Test
- Relief Valve (PRV1) and (PRV2) Pressure Test
- Gear Pump (P1) and (P2) Flow Test
- Deck Motor Efficiency Test
- Lift Relief Valve (PRV) Pressure Test
- Gear Pump (P4) Flow Test
- Lift Cylinder Internal Leakage Test
- Steering Relief Valve (R10) Pressure Test
- Steering Cylinder Internal Leakage Test
- Service and Repairs
- General Precautions for Removing and Installing Hydraulic System Components
- Check Hydraulic Lines and Hoses
- Flush Hydraulic System
- Filtering Closed--Loop Traction Circuit
- Hydraulic System Start--up
- Hydraulic Reservoir
- Hydraulic Pump Drive Shaft
- Hydraulic Pump Assembly
- Piston (Traction) Pump Service
- Gear Pump Service
- Front Wheel Motors
- Rear Wheel Motors
- Wheel Motor Service
- CrossTrax AWD Manifold
- CrossTrax AWD Manifold Service
- Deck Control Manifold
- Deck Control Manifold Service
- Cutting Deck Motor
- Cutting Deck Motor Service
- Lift Control Manifold
- Lift Control Manifold Service
- Lift Cylinder
- Lift Cylinder Service
- Steering Control Valve
- Steering Control Valve Service
- Steering Cylinder
- Steering Cylinder Service
- Oil Cooler
- 5 - Electrical System
- General Information
- Special Tools
- Troubleshooting
- Electrical System Quick Checks
- Adjustments
- Component Testing
- Ignition Switch
- Indicator Lights
- Hour Meter
- Temperature Gauge
- PTO Switch
- Headlight Switch
- Seat Switch
- Joystick Raise and Lower Switches
- Traction Neutral Switch
- Parking Brake Switch
- Mow/Transport Switch
- Start Relay
- Main Power and Glow Relays
- Toro Electronic Controller (TEC)
- Fuses
- Diode Assembly
- Fusible Link Harness
- Hydraulic Solenoid Valve Coil
- Temperature Sender
- High Temperature Shutdown Switch
- Oil Pressure Switch
- Fuel Stop Solenoid
- Fuel Pump
- Service and Repairs
- 6 - Chassis
- 7 - Cutting Decks
- 8 - Foldout Drawings
- Hydraulic Schematic
- Electrical Schematic Sheet 1 of 2 (Serial numbers below 315000000)
- Electrical Schematic Sheet 2 of 2 (Serial numbers below 315000000)
- Eclectrical Schematic (Serial numbers 315000001 to 403430000)
- Eclectrical Schematic (Serial numbers above 403430001)
- Main Wire Harness Drawing (Serial numbers below 315000000)
- Main Wire Harness Diagram (Serial numbers below 315000000)
- Main Wiring Harness Drawing (Serial numbers 315000001 to 403430000)
- Main Wiring Harness Diagram (Serial numbers 315000001 to 403430000)
- Main Wiring Harness Drawing (Serial numbers 403430001 to 405699999)
- Main Wiring Harness Diagram (Serial numbers 403430001 to 405699999)
- Main Wiring Harness Drawing (Serial numbers above 405700000)
- Main Wiring Harness Diagram (Serial numbers above 405700000)
- Seat Wire Harness Drawing
- Seat Wire Harness Diagram
- Engine Wire Harness Drawing
- Engine Wire Harness Diagram
Groundsmaster 4300--DHydraulic System Page 4 -- 76
Front Wheel Motors
1. LH wheel motor
2. Lug nut (5 used per wheel)
3. Hub
4. Wheel assembly
5. Hydraulic fitting (2 used per motor)
6. Hydraulic tube
7. Hydraulic tube
8. Cap screw (2 used per wheel shield)
9. O--ring
10. Hydraulic tube
11. O--ring
12. Lock nut (4 used per wheel motor)
13. Cap screw (4 used per wheel motor)
14. Brake bracket (2 used)
15. Lock nut (2 used per wheel shield)
16. RH wheel motor
17. Lock nut (2 used)
18. Flat washer (2 used per wheel shield)
19. Brake drum (2 used)
20. Front wheel shield (LH shown)
21. Rear wheel shield (LH shown)
22. Wheel stud (5 used per wheel)
23. Clevis pin (2 used)
24. LH brake assembly
25. RH brake assembly
26. Cap screw (4 used per brake assy)
27. Lock nut (4 used per brake assy)
28. Square key (1 used per motor)
29. Return spring (1 used per bracket)
30. Brake spring bracket (2 used)
31. Flange nut (1 used per bracket)
32. Jam nut (1 used per bracket)
33. Cap screw (1 used per bracket)
Figure 74
(427 to 521 N--m)
315 to 385 ft--lb
FRONT
RIGHT
70 to 90 ft--lb
(95 to 122 N--m)
2
3
6
8
9
10
11
13
1
5
7
12
14
15
16
17
18
19
20
4
21
22
23
24
25
26
27
28
29
30
31
32
5
14
9
11
33
80 to 100 ft--lb
(109 to 135 N--m)
28