CLARK GEX 16, 18, 20s & GTX 16, 18, 20s Electric Forklift Service Manual

Description

CLARK GEX 16/18/20s & GTX 16/18/20s Service Manual

The CLARK GEX 16/18/20s & GTX 16/18/20s Service Manual is a comprehensive workshop reference for servicing and maintaining CLARK electric forklift trucks with rated capacities from 1600 to 2000 kg. The manual covers both the GEX 16/18/20s four-wheel and GTX 16/18/20s three-wheel configurations.

The supplied CLARK documentation is identified as Part No. 8066413, Book No. SM 795, Revision 3.4, April 2021. It is organized into service groups covering safety, periodic maintenance, battery systems, electrical wiring and instruments, electric motors, contactors, motor controls, drive axle, wheels and tires, brakes, steering, hydraulic systems, tilt cylinders, uprights, chassis and specifications.

Complete Workshop Service Coverage

The manual begins with important safe maintenance, lifting, jacking, blocking and towing procedures. These sections provide service personnel with procedures for safely positioning and supporting the forklift before maintenance work. The sample also includes detailed lifting and blocking illustrations and shipping tie-down instructions.

The Periodic Service section provides maintenance schedules based on operating hours and operating conditions. The service charts cover daily or 8–10 hour inspections as well as 450–500 hour, 900–1000 hour and 2000 hour maintenance intervals.

Electrical and electronic service information includes battery service, wiring and cable inspection, switches and sensors, instrument panels, electric motor specifications, drive motor overhaul, pump motor overhaul, contactors and motor controller troubleshooting/programming.

For the mechanical systems, the manual covers the drive axle, wheel and tire maintenance, brake system, steering systems, hydraulic pump and hydraulic control system. Separate steering information is provided for the GEX and GTX models.

The hydraulic and lifting sections provide information for the hydraulic control valve, lift circuit, hydraulic pressure checks and adjustments, tilt cylinders, uprights, lift cylinders, carriage, forks and lift chains. Upright inspection, roller clearance, shimming, cylinder service and chain adjustment procedures are also included.

Useful for Workshop Repair & Maintenance

This manual is especially useful for technicians, forklift repair workshops, maintenance departments and owners who need a detailed technical reference for troubleshooting, servicing, adjustment, overhaul and preventive maintenance of the specified CLARK electric forklift models.

The sample includes service charts, lubrication-point diagrams, maintenance interval tables and technical illustrations that make the procedures easier to follow during workshop operations. The recommended maintenance schedule also identifies tasks for the battery, wiring, electric motors, contactors, motor controls, drive axle, wheels, brakes, steering, hydraulic lift system, tilt cylinders and upright components.

Models Covered

• CLARK GEX 16s – 4 Wheel Electric Forklift
• CLARK GEX 18s – 4 Wheel Electric Forklift
• CLARK GEX 20s – 4 Wheel Electric Forklift
• CLARK GTX 16s – 3 Wheel Electric Forklift
• CLARK GTX 18s – 3 Wheel Electric Forklift
• CLARK GTX 20s – 3 Wheel Electric Forklift

Manual Contents

• Safe Maintenance
• Lifting, Jacking & Blocking
• Towing Procedures
• Periodic Service & Maintenance Schedules
• Battery Service
• Wiring, Switches & Instruments
• Electrical Circuit Diagrams
• Electric Motors & Motor Overhaul
• Contactors
• Motor Controls & Troubleshooting
• Drive Axle
• Wheels & Tires
• Brake System
• GEX Steering System
• GTX Steering System
• Hydraulic Sump, Filters & Pump
• Hydraulic System & Pressure Adjustments
• Tilt Cylinders
• Uprights, Lift Cylinders, Carriage & Forks
• Counterweight & Chassis
• General Specifications
• Hydraulic Fitting Tightening Procedures

Reference: CLARK Material Handling International, Service Manual SM 795, Part No. 8066413, Rev. 3.4, April 2021.