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 Schematics
- Hydraulic Flow Diagrams
- Special Tools
- Troubleshooting
- Testing
- Traction System Operation Testing
- Charge Relief Valve Pressure Test (Using Pressure Gauge)
- Transmission Piston Pump Flow Test (Using Tester with Pressure Gauges and Flow Meter)
- Traction Relief Valve Pressure Test (Using Tester with Pressure Gauges and Flow Meter)
- Wheel Motor Efficiency Test (Using Tester with Pressure Gauges and Flow Meter)
- PTO Pressure Valve Test (Using Pressure Gauge)
- Implement Relief Pressure Test (Using Pressure Gauge)
- Gear Pump Flow Test (Using Tester with Pressure Gauges and Flow Meter)
- Lift Cylinder Internal Leakage Test
- Service and Repairs
- General Precautions for Removing and Installing Hydraulic System Components
- Flush Hydraulic System
- Charge Hydraulic System
- Hydraulic Tank
- Wheel Motors
- Wheel Motor Service
- Transmission
- Transmission Service
- Gear Pump
- Gear Pump Service
- Manual Lift Control Valve (SN Below 313000000)
- Manual Lift Control Valve Service (SN Below 313000000)
- Lift Control Manifold (SN Above 313000000)
- Lift Control Manifold Service (SN Above 313000000)
- Polar TracTM Hydraulic Control Valve
- Polar TracTM Hydraulic Control Valve Service
- Lift Cylinder
- Lift Cylinder Service
- Polar TracTM Lift Cylinder
- Polar TracTM Lift Cylinder Service
- Oil Cooler
- 5 - Electrical System
- Electrical Schematics and Diagrams
- Special Tools
- Troubleshooting
- Electrical System Quick Checks
- Component Testing
- Ignition Switch
- Indicator Lights
- Hour Meter
- PTO Switch
- Neutral Switches
- Seat Switch
- Parking Brake Switch (SN Below 310000000)
- Parking Brake Switch (SN Above 310000000)
- Standard Control Module
- Standard Control Module Logic Chart
- PTO Solenoid Valve Coil
- Lift Control Manifold Solenoid Valve Coils (SN Above 313000000)
- Fusible Link Harness
- Diode Assembly
- Glow Relay
- High Temperature Warning Switch
- High Temperature Shutdown Switch
- Dual Temperature Switch (Polar TracTM Machines)
- Deck Lift/Lower Switch (SN Above 313000000)
- Fuel Pump
- Fuel Stop Solenoid
- Glow Controller
- Service and Repairs
- 6 - Chassis
- 7 - Cutting Deck
- 8 - Foldout Diagrams
- Electrical Drawing Designations
- Hydraulic Schematics
- Hydraulic Schematic (SN Below 313000000)
- Hydraulic Schematic (SN Below 313000000) with Rear Attach Lift Kit
- Hydraulic Schematic (SN Below 313000000) with Polar Trac Installed)
- Hydraulic Schematic (SN Below 313000000) with Polar Trac and Rear Attach Lift Kit
- Hydraulic Schematic (SN From 313000001 to 314999999)
- Hydraulic Schematic (SN Above 315000000)
- Electrical Schematics
- Circuit Diagrams
- Wire Harness
Groundsmaster 7200/7210Page 2 – 6Product Records and Maintenance
Other Torque Specifications
SAE Grade 8 Steel Set Screws
Thread Size
Recommended Torque
Thread Size
Square Head Hex Socket
1/4 – 20 UNC 140 + 20 in–lb 73 + 12 in–lb
5/16 – 18 UNC 215 + 35 in–lb 145 + 20 in–lb
3/8 – 16 UNC 35 + 10 ft–lb 18 + 3 ft–lb
1/2 – 13 UNC 75 + 15 ft–lb 50 + 10 ft–lb
Thread Cutting Screws
(Zinc Plated Steel)
Type 1, Type 23 or Type F
Thread Size Baseline Torque*
No. 6 – 32 UNC 20 + 5 in–lb
No. 8 – 32 UNC 30 + 5 in–lb
No. 10 – 24 UNC 38 + 7 in–lb
1/4 – 20 UNC 85 + 15 in–lb
5/16 – 18 UNC 110 + 20 in–lb
3/8 – 16 UNC 200 + 100 in–lb
Wheel Bolts and Lug Nuts
Thread Size
Recommended Torque**
7/16 – 20 UNF
Grade 5
65 + 10 ft–lb 88 + 14 N–m
1/2 – 20 UNF
Grade 5
80 + 10 ft–lb 108 + 14 N–m
M12 X 1.25
Class 8.8
80 + 10 ft–lb 108 + 14 N–m
M12 X 1.5
Class 8.8
80 + 10 ft–lb 108 + 14 N–m
** For steel wheels and non–lubricated fasteners.
Thread Cutting Screws
(Zinc Plated Steel)
Thread
Size
Threads per Inch
Baseline Torque*
Size
Type A Type B
Baseline Torque*
No. 6 18 20 20 + 5 in–lb
No. 8 15 18 30 + 5 in–lb
No. 10 12 16 38 + 7 in–lb
No. 12 11 14 85 + 15 in–lb
* Hole size, material strength, material thickness & finish
must be considered when determining specific torque
values. All torque values are based on non–lubricated
fasteners.
Conversion Factors
in–lb X 11.2985 = N–cm N–cm X 0.08851 = in–lb
ft–lb X 1.3558 = N–m N–m X 0.7376 = ft–lb