CLARK GEX16 GEX18 GEX20s (4 Wheel) GTX16 GTX18 GTX20s (3 Wheel) Forklift Workshop Service Repair Manual

CLARK GEX16 GEX18 GEX20s (4 Wheel) GTX16 GTX18 GTX20s (3 Wheel) Forklift Workshop Service Repair Manual

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530,000+ Happy Customers
  • Model
    GEX Models
  • Manufactured by
    Clark
This workshop service repair manual covers the GEX16, GEX18, GEX20s (4 Wheel) and GTX16, GTX18, GTX20s (3 Wheel) forklifts. These industrial machines are engineered for reliability and efficiency in demanding material handling environments. Their robust construction and thoughtful design ensure consistent performance across various operational needs, making them a dependable choice for warehouse and logistics operations.

This comprehensive English-language manual provides essential information for maintaining and repairing your forklift. It details safe maintenance procedures, including lifting, jacking, and blocking, as well as towing. Key sections cover periodic maintenance schedules, battery service, electrical system tips, drive axle and wheel assembly, brake and steering system troubleshooting, hydraulic system diagnostics, upright maintenance, and chassis component removal. Technical specifications, including nameplate data and hydraulic fitting procedures, are also included to assist owners, mechanics, and technicians in ensuring optimal vehicle performance and longevity.

This is the COMPLETE factory Service Repair Manual for the CLARK GEX16, GEX18, GEX20s (4 Wheel), GTX16, GTX18, GTX20s (3 Wheel) FORKLIFT. This manual is very detailed and contains information and data to this model. has specs, diagrams, and actual real photo illustrations, and schemes. which give you complete step by step operations on repair, assembly, disassembly, diagnosing, servicing, technical maintenance & troubleshooting procedures for your machine.

Models Covered:
=========
CLARK FORKLIFT GEX16 (4 Wheel)
CLARK FORKLIFT GEX18 (4 Wheel)
CLARK FORKLIFT GEX20s (4 Wheel)
CLARK FORKLIFT GTX16 (3 Wheel)
CLARK FORKLIFT GTX18 (3 Wheel)
CLARK FORKLIFT GTX20s (3 Wheel)

This Manual Covers:
=========
SA SAFE MAINTENANCE
1. Safety
2. Lifting, Jacking, and Blocking the Truck
3. Towing
PS PERIODIC SERVICE
1. Maintenance Schedules
2. Planned Maintenance Program
3. The PM Inspection Form
12 BATTERY
1. Battery Service
13 WIRING, SWITCHES, AND INSTRUMENTS
1. Schematic Electric Circuit Diagrams
2. General Electrical Service Tips
3. Wiring and Cables
4. Switches and Sensors
5. Instrument Panel
16 ELECTRIC MOTORS
1. Motor Specifications And Descriptions
2. Drive Motors Overhaul
3. Pump Motor Overhaul
17 CONTACTORS
1. Contactors Specification and Overhaul
19 MOTOR CONTROLS
1. Description
2. Control Programming
3. Control troubleshooting
4. GEX Factory Control Settings
20 DRIVE AXLE
1. Specifications and Description of Drive Axle
2. Disassembly of Drive Axle
3. Disassembly of wheel Assembly
4. Adjustment
22 WHEELS AND TIRES
1. Wheels & Tires Specifications and Description
2. Wheels & Tires Mounting and Maintenance
23 BRAKE SYSTEM
1. Brake System Specifications and Description
2. Service Brake Troubleshooting
3. Brake Pedal Linkage & Adjustments
4. Brake Bleeding
5. Pedal and Master Cylinder Service
6. Parking Brake Service
25 STEERING SYSTEM (GEX16-20s)
1. Steering System Specifications and Description.
2. Steering System Troubleshooting
3. Steering Column Removal and Replacement
4. Steering System Relief Pressure Check and
Adjustment
5. Steering Axle Wheel Bearing Maintenance
and Adjustment
6. Steering Axle Removal and Replacement
7. Steer Cylinder Removal and Replacement
8. Steering Gear Overhaul
9. Steer Cylinder Overhaul
26 STEER SYSTEM (GTX16-20s)
1. Steering System Specifications and Description.
2. Steering System Troubleshooting
3. Steering Column Removal and Replacement
4. Steering System Relief Pressure Check and
Adjustment
5. Steering Gear Overhaul
6. Steer Axle Service
7.Steering Gear Overhaul(ELH Optional)
29 HYDRAULIC SUMP, FILTERS, AND PUMP
1. Main Hydraulic System Specifications and
Description
2. Main Hydraulic Pump Troubleshooting
3. Main Hydraulic Pump Removal and Installation
30 HYDRAULIC SYSTEM
1. Hydraulic Control Valve/Lift Circuit
Specifications and Description
2. Hydraulic System Schematic
3. Hydraulic System Troubleshooting
4. Hydraulic Sysrem Pressure Checks and Adjust-
ments
5. Hydraulic Control Valve Removal and Replacement
6. Hydraulic Control Valve Overhaul
32 TILT CYLINDERS
1. Tilt Cylinder Specifications and Description
2. Checks and Adjustments
3. Tilt Cylinder Removal and Installation
4. Tilt Cylinder Overhaul
34 UPRIGHTS
1. Upright Specifications and Description
2. Trouble shooting
3. Upright Inspection
4. Carriage and Upright Roller Clearance Checks and
Shim Adjustment
5. Cylinder Removal, Shimming, Overhaul and
Replacement
6. Upright Chain Inspection, Adjustment and Replace-
ment
7. Fork and Carriage Removal and Replacement
8. Upright Removal and Replacement
38 COUNTERWEIGHT AND CHASSIS
1. Counterweight Specifications and Description
2. Counterweight Removal and Installation
3. Overhead Guard Removal and Installation
4. Floor Plate, Seat, and Seat Deck Removal and
Installation
40 SPECIFICATIONS
1. Nameplate and Decals
2. General Specifications
3. Hydraulic Fitting Tightening Procedure

--------------

Model Specification: CLARK GEX16, GEX18, GEX20s (4 Wheel), GTX16, GTX18, GTX20s (3 Wheel) FORKLIFT
Total Pages: 425
File Format: PDF
Requirements: Adobe PDF Reader
Language: English
Compatible: All Versions of Windows & Mac, APP ISO, Iphone, Ipad, Android etc...

--------------

This manual is in PDF format, The Service Manual PDF is Fully Indexed and Bookmarked by Topic. This is an original Adobe document which equals Perfect Quality and Perfect Printing. The PDF can be searched quickly to find what you need to know in every Chapter. You can print the Entire manual or ANY Pages you want to select. You can also Zoom in on any Diagram or Picture to easily SEE EVERY PART.

Save time and money by doing your own repairs! This manual makes any repair job easy to do with very easy to follow step-by-step instructions & pictures on all areas of repair.

ALL Service Repair Manual are INSTANT DOWNLOAD, it means no shipping cost or waiting for a CD or paper manual to arrive in the mail. you will receive this manual today via instant download on completion of payment via our secure payment processor. We accept all major credit/debit cards and paypal.

Looking for some other service, repair or parts manual? please check:


Thanks for visiting!


This is the COMPLETE factory Service Repair Manual for the CLARK GEX16, GEX18, GEX20s (4 Wheel), GTX16, GTX18, GTX20s (3 Wheel) FORKLIFT. This manual is very detailed and contains information and data to this model. has specs, diagrams, and actual real photo illustrations, and schemes. which give you complete step by step operations on repair, assembly, disassembly, diagnosing, servicing, technical maintenance & troubleshooting procedures for your machine.

Models Covered:
=========
CLARK FORKLIFT GEX16 (4 Wheel)
CLARK FORKLIFT GEX18 (4 Wheel)
CLARK FORKLIFT GEX20s (4 Wheel)
CLARK FORKLIFT GTX16 (3 Wheel)
CLARK FORKLIFT GTX18 (3 Wheel)
CLARK FORKLIFT GTX20s (3 Wheel)

This Manual Covers:
=========
SA SAFE MAINTENANCE
1. Safety
2. Lifting, Jacking, and Blocking the Truck
3. Towing
PS PERIODIC SERVICE
1. Maintenance Schedules
2. Planned Maintenance Program
3. The PM Inspection Form
12 BATTERY
1. Battery Service
13 WIRING, SWITCHES, AND INSTRUMENTS
1. Schematic Electric Circuit Diagrams
2. General Electrical Service Tips
3. Wiring and Cables
4. Switches and Sensors
5. Instrument Panel
16 ELECTRIC MOTORS
1. Motor Specifications And Descriptions
2. Drive Motors Overhaul
3. Pump Motor Overhaul
17 CONTACTORS
1. Contactors Specification and Overhaul
19 MOTOR CONTROLS
1. Description
2. Control Programming
3. Control troubleshooting
4. GEX Factory Control Settings
20 DRIVE AXLE
1. Specifications and Description of Drive Axle
2. Disassembly of Drive Axle
3. Disassembly of wheel Assembly
4. Adjustment
22 WHEELS AND TIRES
1. Wheels & Tires Specifications and Description
2. Wheels & Tires Mounting and Maintenance
23 BRAKE SYSTEM
1. Brake System Specifications and Description
2. Service Brake Troubleshooting
3. Brake Pedal Linkage & Adjustments
4. Brake Bleeding
5. Pedal and Master Cylinder Service
6. Parking Brake Service
25 STEERING SYSTEM (GEX16-20s)
1. Steering System Specifications and Description.
2. Steering System Troubleshooting
3. Steering Column Removal and Replacement
4. Steering System Relief Pressure Check and
Adjustment
5. Steering Axle Wheel Bearing Maintenance
and Adjustment
6. Steering Axle Removal and Replacement
7. Steer Cylinder Removal and Replacement
8. Steering Gear Overhaul
9. Steer Cylinder Overhaul
26 STEER SYSTEM (GTX16-20s)
1. Steering System Specifications and Description.
2. Steering System Troubleshooting
3. Steering Column Removal and Replacement
4. Steering System Relief Pressure Check and
Adjustment
5. Steering Gear Overhaul
6. Steer Axle Service
7.Steering Gear Overhaul(ELH Optional)
29 HYDRAULIC SUMP, FILTERS, AND PUMP
1. Main Hydraulic System Specifications and
Description
2. Main Hydraulic Pump Troubleshooting
3. Main Hydraulic Pump Removal and Installation
30 HYDRAULIC SYSTEM
1. Hydraulic Control Valve/Lift Circuit
Specifications and Description
2. Hydraulic System Schematic
3. Hydraulic System Troubleshooting
4. Hydraulic Sysrem Pressure Checks and Adjust-
ments
5. Hydraulic Control Valve Removal and Replacement
6. Hydraulic Control Valve Overhaul
32 TILT CYLINDERS
1. Tilt Cylinder Specifications and Description
2. Checks and Adjustments
3. Tilt Cylinder Removal and Installation
4. Tilt Cylinder Overhaul
34 UPRIGHTS
1. Upright Specifications and Description
2. Trouble shooting
3. Upright Inspection
4. Carriage and Upright Roller Clearance Checks and
Shim Adjustment
5. Cylinder Removal, Shimming, Overhaul and
Replacement
6. Upright Chain Inspection, Adjustment and Replace-
ment
7. Fork and Carriage Removal and Replacement
8. Upright Removal and Replacement
38 COUNTERWEIGHT AND CHASSIS
1. Counterweight Specifications and Description
2. Counterweight Removal and Installation
3. Overhead Guard Removal and Installation
4. Floor Plate, Seat, and Seat Deck Removal and
Installation
40 SPECIFICATIONS
1. Nameplate and Decals
2. General Specifications
3. Hydraulic Fitting Tightening Procedure

--------------

Model Specification: CLARK GEX16, GEX18, GEX20s (4 Wheel), GTX16, GTX18, GTX20s (3 Wheel) FORKLIFT
Total Pages: 425
File Format: PDF
Requirements: Adobe PDF Reader
Language: English
Compatible: All Versions of Windows & Mac, APP ISO, Iphone, Ipad, Android etc...

--------------

This manual is in PDF format, The Service Manual PDF is Fully Indexed and Bookmarked by Topic. This is an original Adobe document which equals Perfect Quality and Perfect Printing. The PDF can be searched quickly to find what you need to know in every Chapter. You can print the Entire manual or ANY Pages you want to select. You can also Zoom in on any Diagram or Picture to easily SEE EVERY PART.

Save time and money by doing your own repairs! This manual makes any repair job easy to do with very easy to follow step-by-step instructions & pictures on all areas of repair.

ALL Service Repair Manual are INSTANT DOWNLOAD, it means no shipping cost or waiting for a CD or paper manual to arrive in the mail. you will receive this manual today via instant download on completion of payment via our secure payment processor. We accept all major credit/debit cards and paypal.

Looking for some other service, repair or parts manual? please check:


Thanks for visiting!