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Manuals
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Yale Manuals
Forklifts
GDP30UX
Service manual
Yale GDP30UX Service Manual
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Forklift Truck Main Parts
Description of Forklift Truck Main Parts
Forklift Main Technical Parameters
Main Technical Parameters
Power System
Engine System
Engine Overview
Fuel System
Fuel Tank
Fuel Level Sensor
Maintenance of Fuel System
Fuel Filter Service
Hydraulic Transmission Case and Torque Converter
Overview
Torque Converter
Hydraulic Clutch
Control Valve, Safety Valve, and Inching Valve
Transmission Case
Transmission Pump
Transmission Hydraulic Schematic
Speed Reducer and Speed Differential
Speed Reducer
Speed Differential
Towing the Lift Truck
Oil Inlet/Outlet Connection Location
Drive Axle
Overview
Maintenance of Drive Axle
Steering System
Overview
Hydraulic Steering Gear Assembly
Steering Cylinder
Inspection of Reassembled Steering System
Troubleshoot Steering System
Steering and Drive Axle Information
Steering Axle
Overview
Steering Knuckle and Steering King Pin
Steering Wheel Bearing Pre-Load Information
Brake System
Overview
Brake Master Cylinder
Wheel Brake
Automatic Brake Adjuster
Manual Brake
Adjustment of Brake Pedal
Maintenance
Disassemble, Wheel Brake
Examination of Wheel Brake
Assemble, Wheel Brake
Operating Test Automatic Clearance Regulator
Troubleshoot Wheel Brake
Hydraulic System
Overview
Steering Control Unit
Multi-Way Valve and Priority Spool
Operation of Spool Valve
Neutral Position
Spool Valve (Pushed In)
Spool Valve (Pulled Out)
Primary Relief Valve and Priority Spool
Inclined Auto-Lock Valve
Hydraulic System Main Oil Circuit
Lift Cylinder
Velocity Fuse
Tilt Cylinder
Maintenance of Hydraulic Pump
Disassemble, Main Oil Pump
Inspection and Repair
Assemble, Main Oil Pump
Test
Troubleshoot Hydraulic System
Lifting System
Safety Procedures When Working Near Mast
Overview
Inside and Outside Masts
Carriage
Adjustment of Lifting System
Electrical System
Overview
Power Supply System
Starting System
Ignition System (ICE Forklift Truck)
Preheating System (Diesel Forklift Truck)
Dash Instrument Display System
Lighting, Sound and Alarm System
Electrical Box
Battery
Description and Summary of Basic Truck Operations
Introduction to the Power Distribution Module (PDM)
Electrical Schematics
Troubleshoot Electrical System
Troubleshooting
Drive, Operation, and Routine Maintenance of Forklift Truck
Cooling System Troubleshooting and Service
Coolant Level Check
Flushing the Cooling System
Adding Antifreeze/Coolant
Cleaning the Radiator
Oils Used for Forklift Truck
Hydraulic Oil Gauge and Hydraulic Oil Fill
General Inspection Requirements
Fill Level Requirements
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Table of Contents
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Forklift Truck Main Parts
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Engine System
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Maintenance
A7S1
SERVICE MANUAL
GLP/GDP20UX, GLP/GDP25UX, GLP/GDP30UX, GLP/
GDP35UX
PART NO. 550216372
8000 YRM 2199
Table of
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Table of Contents
Troubleshooting
Troubleshoot Electrical System
89
Drive, Operation, and Routine Maintenance of Forklift Truck
90
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Summarization of Contents
Forklift Truck Main Parts
Description of Forklift Truck Main Parts
Details the major systems and their subassemblies in the forklift.
Forklift Main Technical Parameters
Power System
Engine Overview
Provides a detailed look at the engine's specifications and components.
Fuel System
Explains the components and function of the fuel system.
Fuel Tank
Describes the fuel tank's capacity and construction.
Fuel Level Sensor
Details the function and operation of the fuel level sensor.
Maintenance of Fuel System
Outlines the scheduled maintenance for the fuel system.
Fuel filter service
Explains the procedure for servicing the fuel filter.
Hydraulic Transmission Case and Torque Converter
Overview
Introduces the hydraulic transmission case and torque converter.
Torque Converter
Details the components and operation of the torque converter.
Hydraulic Clutch
Explains the function and composition of the hydraulic clutch.
Control Valve System
Describes the control valve system and its components.
Speed Reducer and Differential
Covers the speed reducer and speed differential mechanisms.
Drive Axle
Oil Inlet/Outlet Connection Location
Shows the locations of oil inlet and outlet connections.
Drive Axle
Details the drive axle's type, capacity, and tire specifications.
Maintenance of Drive Axle
Outlines the procedures for maintaining the drive axle.
Steering System
Overview
Introduces the components of the steering system.
Hydraulic Steering Gear Assembly
Describes the hydraulic steering gear and its function.
Steering Cylinder
Details the steering cylinder's construction and operation.
Inspection of Reassembled Steering System
Provides steps for inspecting the steering system after reassembly.
Troubleshoot Steering System
Lists common steering system problems and their solutions.
Steering and Drive Axle Information
Steering Axle
Provides specifications and data for the steering axle.
Steering Knuckle and King Pin
Details the steering knuckle and king pin assembly.
Steering Wheel Bearing Pre-load
Explains how to adjust the steering wheel bearing pre-load.
Brake System
Overview
Introduces the components of the brake system.
Brake Master Cylinder
Describes the brake master cylinder's construction and function.
Wheel Brake
Explains the internal expansion hydraulic wheel brake.
Brake Adjustments and Maintenance
Covers all brake adjustments and maintenance procedures.
Operating Test Automatic Clearance Regulator
Outlines the procedure for testing the automatic clearance regulator.
Hydraulic System
System Overview
Introduces the components and function of the hydraulic system.
Steering and Valve Control
Covers steering control, multi-way valves, and auto-lock function.
Hydraulic Actuators and Circuits
Details main oil circuit, lift, velocity fuse, and tilt cylinders.
Hydraulic Pump Maintenance
Outlines maintenance and assembly procedures for the hydraulic pump.
Troubleshoot Hydraulic System
Lists common hydraulic system problems and solutions.
Lifting System
SAFETY PROCEDURES WHEN WORKING NEAR MAST
Critical safety precautions for working near the mast.
CARRIAGE
Describes the construction of the forklift carriage.
ADJUSTMENT OF LIFTING SYSTEM
Details how to adjust the lifting system and chains.
Electrical System
System Overview
Introduces the components and function of the electrical system.
Power & Starting Systems
Covers power supply, starting, ignition, and preheating systems.
Display and Indicators
Explains dashboard indicators and basic truck operations.
Control Modules and Schematics
Covers PDM, its application, and electrical schematics.
Troubleshooting Electrical System
Guides for troubleshooting electrical system issues.
Drive, Operation, and Routine Maintenance of Forklift Truck
Cooling System Service
Covers cooling system troubleshooting, service, and maintenance.
Lubrication and Fluids
Details oils used, hydraulic oil checks, and lubrication system.
PDM Schematics
Table of Contents
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