CLARK GTS 20, 25, 30, 33L Forklift Service Repair Manual

Description

CLARK GTS 20, 25, 30 & 33L Forklift Service Manual

The CLARK GTS 20, 25, 30 & 33L Service Manual is a comprehensive technical reference for servicing and maintaining CLARK GTS-series forklifts powered by the PSI 4G64 engine. The manual covers forklifts with rated capacities from 2,000 to 3,300 kg and provides structured service information for technicians and maintenance personnel.

This workshop manual is organized into dedicated service groups covering the major systems and assemblies of the truck. It is particularly useful when carrying out scheduled maintenance, inspections, adjustments, component servicing and repair work.

What’s Covered in the Manual?

• Safe Maintenance – safety procedures, lifting, jacking, blocking, parking and towing procedures.
• Periodic Service – maintenance schedules, lubrication points and planned maintenance procedures.
• Engine – PSI 4G64 – engine inspection, adjustment and service procedures.
• Cooling System – coolant, radiator, hoses, thermostat and water pump service.
• Intake & Exhaust System – air intake components, exhaust system and related inspections.
• Transmission – transmission service, fluid, filters, pressure checks and operational testing.
• Electrical System – electrical components, wiring, starting system and related checks.
• Drive Axle – axle lubrication, mounting and service procedures.
• Wheels & Tires – wheel mounting, tire condition and pressure inspection.
• Brake System – service brake, parking brake and brake inspection procedures.
• Steering Column & Gear – steering system inspection and servicing.
• Steer Axle – steer axle, bearings, linkage and steering components.
• Hydraulic Pump, Sump & Filters – hydraulic fluid, filters, suction screen and tank components.
• Hydraulic Control Valve & Lift Circuit – hydraulic pressure and control system service.
• Tilt Cylinders – cylinder adjustment, mounting, seals and leakage checks.
• Upright – lift cylinders, carriage, lift chains, rollers and fork inspection.
• Counterweight & Chassis – chassis and counterweight-related service information.
• Specifications – technical specifications and service reference information.

Maintenance & Planned Service Information

The manual includes detailed periodic maintenance schedules based on operating hours. The service schedule covers intervals including 8–10 hours/daily, 450–500 hours/6 months, 900–1,000 hours/12 months and 2,000 hours/1 year. Maintenance tasks include fluid checks and replacement, lubrication, filters, brakes, tires, steering, hydraulic systems, transmission, engine and upright components.

The planned maintenance section also provides systematic inspection procedures, functional checks, lubrication and fluid-level checks, critical fastener checks and component inspections. The manual recommends a structured planned maintenance program, typically performed at 500-hour intervals. :contentReference[oaicite:1]{index=1}

Safety, Lifting & Workshop Procedures

Safety procedures are an important part of the manual. The sample includes instructions for safe parking, lifting and blocking the truck, raising the front and rear of the forklift, blocking the upright in the raised position and shipping tie-down procedures.

The manual also provides towing procedures for disabled trucks, including requirements for suitable towing equipment and precautions when towing a disabled forklift. The illustrated procedures make the information easier to follow during workshop operations. :contentReference[oaicite:2]{index=2}

Useful for Workshop Repairs & Maintenance

With its system-by-system organization, this manual provides a practical reference when diagnosing maintenance issues and carrying out service work on CLARK GTS-series forklifts. The sample pages include technical illustrations, service charts, maintenance tables and component diagrams that help technicians identify systems and follow service procedures.

Models covered: CLARK GTS 20, GTS 25, GTS 30 and GTS 33L.

Engine: PSI 4G64 LPG.

Manual reference: Part No. 8129703 / Book No. SM 1024, Revision 1.8, March 2020. :contentReference[oaicite:3]{index=3}

Digital PDF Manual

This product is supplied as a digital PDF service manual, making it convenient to store on a computer, tablet or workshop device and search for specific service information when required.

Recommended for: forklift technicians, mechanics, maintenance workshops, service engineers, equipment owners and CLARK forklift repair professionals.