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 7200/7210 Page 5 - 19 Electrical System
Standard Control Module Logic Chart
Each line of the following chart identifies the necessary
component position (INPUTS) in order for the SCM to
energize the appropriate OUTPUTS for machine opera-
tion.
Example: To start the engine with an operator in the
seat, when the ignition key is in start, the traction control
leversbothinneutrallockedpositionandtheparking
brake is not applied, engine components and the engine
starter will be energized.
INPUTS
MACHINE FUNCTION
Engine Start (Operator in Seat)
Engine Run (Operator in Seat)
High Temperature Warning
Mow
High Temperature Shutdown
Power
Start
Neutral
Parking Brake Of f
PTO Switch
In Seat
High Temperature Warning
OUTPUTS
PTO
Engine Run
LED ON - Circuit closed to ground
LED ON - Circuit is energized
LED OFF - Circuit is open to ground or circuit is de- energized
KEY TO CHART
Engine Run (No Operator in Seat)
High Temperature Shutdown
Engine Start
-
+
Backlap
Circuit is not involved with this machine function (LED OFF)
+-
-
-
-
-
-
-
-
-
- -
-
-
-
+
NA
NA
NA
NA
NA
NA
+
+
-
-
-
-
-
-
-
NA Backlap Input is not used on the Groundsmaster 7200/7210
Engine Start ( No Operator in Seat)
- -
-
NA
-+ -
IMPORTANT: During machine operation, if the PTO
shuts down and the console temperature warning
light is illuminated, avoid shutting off the engine.
Under this condition, the operator should push the
PTO knob down, slowly drive to a safe flat area,
move th e throttle lever to the SLOW position, move
the traction control levers into t he neutral locked
position and engage the parking brake. The engine
should be allowed to idle for several minutes while
it cools to a safe level. Then, the cooling system
should be checked before returning the machine to
service.
Electrical
System