Clark TW125, TW235 Forklift Index:

# TW-125 and TW-235

## 1. UPRIGHT
– Standard & Hi-Lo Carriage Rollers Check & Adjustments
– Standard & Hi-Lo Rollers
– Lift Chains
– Bleeding Compound Lift Cylinders
– Downdrift Test
– Full Free Lift Triple Stage Operational Checks & Adjustments
– Carriage Chain Adjustments
– Load Testing
– Lift Cylinder & Tilt Cylinder Drift Tests
– Carriage Roller Check & Adjustments
– Full Free Lift Triple Stage Roller

## 2. Parking Brake Test & Adjustment Procedures
– Parking Brake Switch

## 3. Brake Pedal Free Travel

## 4. Brake Pedal Switch

## 5. TILT CYLINDER – Drift Test
– Yoke Check & Adjustment Procedures

## 6. Service Brake Bleeding Procedure

## 7. Drive Unit Service Procedures

## 8. Drive Wheels
– Drive Wheels with Pneumatic Tires
– Drive Wheels with Cushion or Solid Tires

## 9. Drive Motors Commutator Check Chart

## 10. CONTACTORS
– Power Steering
– Recommended Tools
– Pump Contactor Interlocks
– FA & RB, RA & RB, 1A-A & 1A-B Contactors
– Check SCR Components
– Check Battery Polarity & Voltage
– Check Truck Polarity
– Schematic Breakdown TW-125
– Schematic Breakdown TW-235
– Troubleshooting Flow Charts

## 11. Steer Wheels
– Steer Wheels with Pneumatic Tires
– Steer Wheels with Cushion or Solid Tires

## 12. Steer Fork Wheel Bearing Service Procedure

## 13. Hydraulic Sump Reservoir Service Procedures

## 14. Steer Fork Bearing Service Procedure

## 15. Pump Motor Operating Switch

## 16. Hydraulic System Filter Service

## 17. Battery Service Procedures
– How to Remove & Install the Truck Battery

## 18. Accelerator Linkage
– IMS & 2MS
– Speed Potentiometer

—

# TW-125 Only

## 19. Hydraulic System
– Pressure Checks & Adjustments
– Hydraulic System Schematic
– Lift and Tilt Circuit Diagram

## 20. Pump Motor Service Instructions

## 21. Steering Chain Check & Adjustments

## 24. Hydraulic Accumulator Service Instructions

—

# TW-235 Only

## 19. Hydraulic System
– Pressure Checks & Adjustments
– Hydraulic System Schematic
– Lift and Tilt Circuit Diagram

## 20. Pump Motor Service Instructions

## 21. Power Steering Check & Adjustments

## 22. Power Steering System Pressure Check & Adjustment

## 23. Power Steering Pump Motor Service Instructions

## 24. Hydraulic Accumulator Service Instructions