Hyundai 20D-7E User Manual

CONTENTS
SECTION 1 GENERAL
Group 1 Safety Hints
---------------------------------------------------------------------------------------------------- 1-1
Group 2 Specifications
-------------------------------------------------------------------------------------------------
1-5
Group 3 Periodic Replacement
------------------------------------------------------------------------------------ 1-13
SECTION 2 REMOVAL AND INSTALLATION OF UNIT
Group 1 Structure --------------------------------------------------------------------------------------------------------- 2-1
Group 2 Removal and Installation of Unit -------------------------------------------------------------------- 2-2
SECTION 3 POWER TRAIN SYSTEM
<OLD Transmission and drive axle>
Group 1 Structure and Operation
--------------------------------------------------------------------------------- 3-1
Group 2 Troubleshooting ---------------------------------------------------------------------------------------------- 3-21
Group 3 Disassembly and Assembly --------------------------------------------------------------------------- 3-25
<NEW Transmission and drive axle>
Group 1 Structure and Operation
-------------------------------------------------------------------------------- 3-76
Group 2 Troubleshooting ---------------------------------------------------------------------------------------------- 3-94
Group 3 Disassembly and Assembly
--------------------------------------------------------------------------- 3-100
SECTION 4 BRAKE SYSTEM
Group 1 Structure and Function ----------------------------------------------------------------------------------- 4-1
Group 2 Operational Checks and Troubleshooting ------------------------------------------------------ 4-8
Group 3 Tests and Adjustments
----------------------------------------------------------------------------------- 4-10
SECTION 5 STEERING SYSTEM
Group 1 Structure and Function ----------------------------------------------------------------------------------- 5-1
Group 2 Operational Checks and Troubleshooting ------------------------------------------------------ 5-10
Group 3 Disassembly and Assembly --------------------------------------------------------------------------- 5-12
SECTION 6 HYDRAULIC SYSTEM
Group 1 Structure and Function ----------------------------------------------------------------------------------- 6-1
Group 2 Operational Checks and Troubleshooting ------------------------------------------------------ 6-18
Group 3 Disassembly and Assembly --------------------------------------------------------------------------- 6-22
SECTION 7 ELECTRICAL SYSTEM
Group 1 Component Location -------------------------------------------------------------------------------------- 7-1
Group 2 Electrical Circuit ---------------------------------------------------------------------------------------------- 7-2

Hyundai 20D-7E Specifications

General

Brand	Hyundai
Model	20D-7E
Category	Forklifts
Language	English

Summary

SECTION 1 GENERAL

Group 1 Safety Hints

Safety precautions for machine operation and maintenance.

Group 2 Specifications

Detailed specifications of major machine components.

Tightening Torque for Major Components

Specifies torque values for major engine, power train, and other component fasteners.

Torque Chart

Provides torque values for various bolt and nut sizes based on thread type.

Pipe and Hose/Fitting Specifications

Torque specifications for pipe, hose, and fitting connections.

Recommended Lubricants

Lists recommended oils, fluids, and greases based on service point and ambient temperature.

SECTION 3 POWER TRAIN SYSTEM

Group 1 Structure and Operation

Details the structure and operational principles of the power train system.

Specification for Major Components

Technical details for engine, main pump, and control valve.

Power Train Devices

Specifications for torque converter, transmission, axles, wheels, brakes, and steering.