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
Page 8 -- 7
Hydraulic Schematic
Groundsmaster 7200/7210
All solenoids are
shown as de--energized.
(With Optional Hydraulic Kits Shown)
Serial Number From 313000001 to 314999999
ATTACHMENT
C
D
PB
P
T
2.250” BORE
2.160” STROKE
1.250” ROD
A
B
WINTER KIT LIFT
CYLINDER (OPT)
POLARTRACKIT
(OPTIONAL)
REPLACES STANDARD DECK LIFT
VAL VE IN WINTER CONFIGURATION
4000 PSI
0.031 in
19.0 CID
TOW
VALVE
1.1 CID
GEARBOX
1.1 CID
PTO CLUTCH
2250 RPM
PTO PRESSURE TEST PORT
4000 PSI
0.031 in
19.0 CID
TOW
VALVE
0.37 CID0.37 CID
PORT 1
Suction Screen
100 Mesh
Charge
Pump
Gear
Pump
3000 PSI
IMPLEMENT RELIEF
Line Fil ter
Beta 11
= 200(ISO 16889)
43 PSI
CHARGE RELIEF
86+/-- 15 PSI
CHARGE PRESSURE TEST PORT
PRESSURE VALVE
313+/--30 PSI
OIL COOLER
REAR ATTACHMENT
LIFT CYLINDER (OPT)
2.00” BORE
1.75” STROKE
0.75” ROD
REAR HYDRAULIC
POWERED A TTACHMENT
(OPT)
0.028 in 0.028 in
1:0.691
1:1
1:1.025
1:1.025
PORT 2
0.031 in
DECK CYLINDER
1.50” BORE
3.68” STROKE
0.75” ROD
A B
1
2
4
DECK LIFT MANIFOLD
SV2 SV3
SV4
SV5
SV1
OPTIONAL REAR ATTACH
LIFT KIT
TP
BR
M1M1 M2
CD
4.9 GPM
15.1 GPM
15.1 GPM
.052
OPTIONAL AUXILLARY
HYDRAULIC POWER KIT
SV6
SV6
4.9 GPM
SUPPLIED
CUSTOMER
3