Service Manual
Table Of Contents
- Title Page
- Revision History
- Reader Comments
- Preface
- Table Of Contents (Page 1)
- Table of Contents (Page 2)
- 1 - Safety
- 2 - Product Records and Maintenance
- 3 - Kubota EFI Gasoline Engine
- 4 - Kubota Diesel Engine
- 5 - Kohler Air Cooled Gasoline Engine
- 6 - Drive Train
- 7 - Chassis
- Specifications
- General Information
- Special Tools
- Troubleshooting
- Service and Repairs
- Wheel Assembly
- Brake System
- Brake Caliper Service
- Bleed Brake System
- Parking Brake Caliper Service
- Brake Master Cylinder
- Brake Master Cylinder Service
- Parking Brake Cable
- Wheel Hub
- Steering Assembly
- Front Control Arms
- Front Compression Spring Service
- Front Shock Absorber
- Rear Shock Absorber
- Rear Leaf Spring
- Front Wheel Alignment
- Steering Wheel
- Seat Base
- Hood
- Windshield Wiper Assembly (Machines with Operator Cab)1. Flange- head screw (10 each)2. Sealing washer (10 each)3. Cab roof4. Bulb trim seal5. Console foam6. Fuse block mount7. Wiper motor8. Wiper motor bracket9. Roof console10. Clip
- 8 - Electrical System
- Electrical Schematics
- Special Tools
- Troubleshooting
- Electrical System Quick Checks
- Component Testing
- Ignition (Key) Switch
- Gauge Cluster
- Fuses
- Headlight Switch
- Clutch Switch(s)
- Brake Switch(s)
- Hydraulic Lift Lever Interlock Switch
- 3rd - High Lockout Key Switch
- Transaxle Switches
- Power Relay (Four Terminals)
- Relay (Five Terminals)
- Fusible Link
- Diodes
- Electronic Throttle Control (Workman HDX)
- Fuel Run/Stop Solenoid (Workman HDX-D)
- Fuel Gauge Sender (Workman HD & HDX-D)
- Fuel Pump/Sender (Workman HDX)
- Fuel Pump (Workman HDX-D)
- Temperature Sender (Workman HDX and HDX-D)
- Electric Fan Thermal Switch (Workman HDX-D)
- Speed Sensor
- Glow Controller (Workman HDX-D)
- High Flow Hydraulics Kit Switch (High Flow Hydraulics Kit)
- Hydraulic Solenoid Valve Coil (High Flow Hydraulics Kit)
- Rear PTO Switch (Optional Kit)
- Interlock Switch (1/3 Area Lift Platform Kit)
- Windshield Washer/Wiper Switch (Machines with Operator Cab)
- Diode Assembly (Machines with Operator Cab)
- Service and Repairs
- 9 - Hydraulic System
- Specifications
- General Information
- Special Tools
- Hydraulic Schematics
- Hydraulic Circuit Operation
- Troubleshooting
- Testing
- Primary Hydraulic System Gear Pump Flow Test (Workman HDX and HDX-D)
- Primary Hydraulic System Gear Pump Flow Test (Workman HD)
- Primary Hydraulic System Relief Valve Pressure Test
- Steering Control Valve and Steering Cylinder Test
- Lift Cylinder Internal Leakage Test
- High Flow Hydraulic System Gear Pump Flow and Relief Pressure Tests
- Service and Repairs
- General Precautions for Removing and Installing Hydraulic System Components
- Check Hydraulic Lines and Hoses
- Primary Hydraulic System Gear Pump (Workman HDX and HDX-D)
- Primary Hydraulic System Gear Pump (Workman HD)
- Primary Hydraulic System Gear Pump Service
- High Flow Hydraulic System Gear Pump Service
- Lift Valve
- Lift Valve Service
- Steering Control Valve
- Steering Control Valve Service
- Steering Cylinder
- Steering Cylinder Service
- Lift Cylinder
- Lift Cylinder Service
- Hydraulic Manifold (High Flow Hydraulics Kit)
- 10 - Front Wheel Drive (4WD)
- 11 - Electrical Drawings
- Electrical Drawing Designations
- Workman HD (Serial Numbers313000001 to 404350000)
- Workman HD (Serial NumbersAbove 404350001)
- Workman HDX (Serial Numbers313000001 to 401400000)
- Workman HDX (Serial Numbers401400001 to 404350000)
- Workman HDX (Serial NumbersAbove 404350001)
- Workman HDX--D (Serial Numbers313000000 to 314000000)
- Workman HDX--D (Serial Numbers314000001 to 401420000)
- Workman HDX--D (Serial Numbers401420001 to 404350000)
- Workman HDX--D (Serial NumbersAbove 404350001)
- Front Wire Harness: Workman HD (SerialNumbers 313000000 to 314000000)
- Front Wire Harness: Workman HD (SerialNumbers 314000001 to 401406000)
- Front Wire Harness: Workman HD (SerialNumbers 401406001 to 404350000)
- Front Wire Harness: Workman HD (Serial Numbers 404350001 to 409080000)
- Front Wire Harness Drawing(Serial Number above 409080000)
- Rear Wire Harness Drawing Serial Number below 409080000)
- Rear Wire Harness Drawing(Serial Number above 409080000)
- Front Wire Harness: Workman HDX (SerialNumbers 313000001 to 314000000)
- Front Wire Harness: Workman HDX (SerialNumbers 314000001 to 316000000)
- Front Wire Harness: Workman HDX (SerialNumbers 316000001 to 316999999)
- Front Wire Harness: Workman HDX (SerialNumbers 400000000 to 401400000)
- Front Wire Harness: Workman HDX (SerialNumbers 401400001 to 404350000)
- Front Wire Harness: Workman HDX (SerialNumbers 404350001 to 409100000)
- Front Wire Harness Drawing(Serial Number above 409100000)
- Rear Wire Harness: Workman HDX (SerialNumbers 313000001 to 315000500)
- Rear Wire Harness: Workman HDX (SerialNumbers 315000501 to 316999999)
- Rear Wire Harness: Workman HDX (SerialNumbers 400000000 to 401420000)
- Rear Wire Harness: Workman HDX (SerialNumbers 401420001 to 409100000)
- Rear Wire Harness Drawing(Serial Number above 409100000)
- Front Wire Harness: Workman HDX--D (SerialNumber 313000000 to 314000000)
- Front Wire Harness: Workman HDX--D (SerialNumber 314000001 to 316000000)
- Front Wire Harness: Workman HDX--D (SerialNumber 316000001 to 400000000)
- Front Wire Harness: Workman HDX--D (SerialNumber 400000001 to 401420000)
- Front Wire Harness: Workman HDX--D (SerialNumber 401420001 to 404350000)
- Front Wire Harness: Workman HDX--D (SerialNumber 4043500001 to 408000000)
- Workman HDX--D Front Wire Harness Drawing(Serial Number above 408000000)
- Rear Wire Harness: Workman HDX--D (SerialNumbers 313000000 to 400000000)
- Rear Wire Harness: Workman HDX--D (SerialNumbers 400000001 to 401420000)
- Rear Wire Harness: Workman HDX--D (SerialNumbers 401420001 to 408000000)
- Workman HDX--D Rear Wire Harness Drawing(Serial Number above 408000000)
- Front Wire Harness:Workman HDX--D (Industrial)
- Rear Wire Harness:Workman HDX--D (Industrial)
- Heater Kit--Wire Harness DrawingWorkman HD Series
Workman HD
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Kohler Air Cooled Gasoline Engine
Specifications
Item Description
Make / Designation Kohler, CH680−3025, 4−stroke, V−Twin
Air Cooled, OHV
Number of Cylinders 2
Bore x Stroke 3.15 in x 2.64 in (80 mm x 67 mm)
Total Displacement 41.1 in
3
(674 cc)
Compression Ratio 8.5:1
Governor Mechanical
Idle Speed (no load) 1200 + 100 RPM
High Idle (no load) 3600 + 50 RPM
Oil Pump Gear driven trochoid type
Engine Oil See Operator’s Manual
Crankcase Oil Capacity 2 U.S. quarts (1.9 liters) with filter
Fuel Unleaded, Regular Gasoline (Minimum 87 Octane)
Fuel Pump Diaphragm (engine mounted)
Fuel Tank Capacity 6.5 U.S. gallons (24.6 liters)
Starter 12 VDC
Alternator/Regulator 12 VDC 25 Amp
Dry Weight (approximate) 90 pounds (41 kilograms)