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Yale A7S1 User Manual

Yale A7S1
100 pages
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Maintenance
A7S1
SERVICE MANUAL
GLP/GDP20UX, GLP/GDP25UX, GLP/GDP30UX, GLP/
GDP35UX
PART NO. 550216372 8000 YRM 2199

Table of Contents

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Yale A7S1 Specifications

General IconGeneral
BrandYale
ModelA7S1
CategoryForklifts
LanguageEnglish

Summary

Forklift Truck Main Parts

Description of Forklift Truck Main Parts

Outlines the main systems and subassemblies of the forklift truck.

Forklift Main Technical Parameters

Main Technical Parameters Overview

Details key specifications and dimensions with diagrams.

Technical Parameters Table

Lists detailed technical specifications for different models in a tabular format.

Power System

Engine System Overview

Provides an overview of the engine system, including specifications.

Fuel System

Describes the fuel tank, sensor, and filter service.

Hydraulic Transmission Case and Torque Converter

System Overview

Introduces the hydraulic transmission case and torque converter, listing advantages.

Torque Converter Function

Explains the composition and function of the torque converter.

Hydraulic Clutch Operation

Details the wet multi-disk hydraulic clutch and its operation.

Control Valves and Inching Valve

Describes the functions of the control, safety, and inching valves.

Transmission Hydraulic Schematic

Illustrates the hydraulic circuit of the transmission system.

Speed Reducer and Differential

Explains the function and components of the speed reducer and differential.

Towing the Lift Truck

Provides instructions on how to tow the forklift truck if damaged.

Drive Axle

Oil Inlet/Outlet Connections

Shows the locations for oil inlet and outlet connections on the drive axle.

Drive Axle Overview

Describes the composition and function of the drive axle.

Drive Axle Maintenance

Outlines the procedures for maintaining the drive axle wheel nuts.

Steering System

Steering System Overview

Introduces the steering system components and their general function.

Hydraulic Steering Gear

Details the hydraulic steering gear and its connection to the steering cylinder.

Steering Cylinder

Explains the construction and operation of the steering cylinder.

Steering System Inspection

Provides steps for inspecting the steering system after reassembly.

Troubleshoot Steering System

Lists common steering system problems, causes, and solutions.

Brake System

Brake System Overview and Components

Overview of the brake system, master cylinder, and wheel brake.

Brake System Maintenance and Adjustment

Covers automatic adjuster, manual brake, pedal adjustment, disassembly, and assembly.

Troubleshoot Wheel Brake

Lists common wheel brake problems, causes, and solutions.

Hydraulic System

Hydraulic System Overview

General overview of the hydraulic system's composition and function.

Hydraulic System Components

Details spool valves, relief/priority spools, auto-lock, main oil circuit, lift/tilt cylinders, velocity fuse.

Hydraulic Pump Maintenance

Procedures for disassembling and inspecting the hydraulic pump.

Troubleshoot Hydraulic System

Lists common hydraulic system problems, causes, and solutions.

Lifting System

Safety Procedures Near Mast

Critical safety precautions for working near the mast.

Mast and Carriage Overview

Describes mast types, carriage construction, and their components.

Lifting System Adjustment

Provides steps for adjusting the lifting system, chains, and carriage height.

Electrical System

Electrical System Overview

General overview of the forklift's electrical system, power, starting, ignition, and preheating.

Electrical System Components

Describes dash display, electrical box, battery, and lighting/sound/alarm systems.

Truck Operations and PDM

Explains dashboard indicators, basic operations, and PDM introduction.

Electrical Schematics

Guidance on interpreting electrical schematics for different engines.

Troubleshoot Electrical System

Provides guidance for troubleshooting common electrical system issues.

Drive, Operation, and Routine Maintenance

Cooling System Service

Information on diagnosing and servicing the cooling system.

Oils and Lubrication

Lists oils used, hydraulic oil levels, and lubrication points/intervals.

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