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Hyundai Manuals
Forklifts
25G-7
Service manual
Hyundai 25G-7 Service Manual
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Section 1 General
Group 1 Safety Hints
Group 2 Specifications
Group 3 Periodic Replacement
Section 2 Removal and Installation of Unit
Group 1 Structure
Group 2 Removal and Installation of Unit
Section 3 Power Train System
Group 1 Structure and Operation
Group 2 Troubleshooting
Group 3 Disassembly and Assembly
Section 4 Brake System
Group 1 Structure and Function
Group 2 Operational Checks and Troubleshooting
Group 3 Tests and Adjustments
Section 5 Steering System
Group 1 Structure and Function
Group 2 Operational Checks and Troubleshooting
Group 3 Disassembly and Assembly
Section 6 Hydraulic System
Group 1 Structure and Function
Group 2 Operational Checks and Troubleshooting
Group 3 Disassembly and Assembly
Section 7 Electrical System
Group 1 Component Location
Group 2 Electrical Circuit
Group 3 Component Specification
Group 4 Connector Destination
Group 5 Troubleshooting
Section 8 Mast
Group 1 Structure
Group 2 Operational Checks and Troubleshooting
Group 3 Adjustment
Group 4 Removal and Installation
. Engine Mechanical System
General
Cylinder Block
Main Moving System
Cooling System
Lubrication System
Intake and Exhaust System
Cylinder Head Assembly
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Quick Links
1
Section 1 General
2
Group 2 Specifications
3
Group 2 Troubleshooting
4
Group 1 Component Location
5
Group 2 Electrical Circuit
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Chapters
Table of Contents
15
Section 7 Electrical System
227
Section 8 Mast
244
. Engine Mechanical System
283
Table of Contents
Troubleshooting
Group 2 Troubleshooting
73
Group 2 Operational Checks and Troubleshooting
137
Group 2 Operational Checks and Troubleshooting
154
Group 2 Operational Checks and Troubleshooting
207
Group 5 Troubleshooting
243
Group 2 Operational Checks and Troubleshooting
250
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Summarization of Contents
Hyundai Forklift General Information
Safety Hints for Engine Operation
General warnings for safe engine operation and personal safety during work.
Hyundai Forklift Model Specifications
Details specifications for various models of Hyundai forklifts (20L/25L/30L-7, 20G/25G/30G-7).
Periodic Replacement Schedule
Lists consumable parts and their recommended replacement periods for safe operation.
Forklift Removal and Installation Procedures
Forklift Structure Overview
Diagram showing the overall structure and components of the forklift.
Unit Removal and Installation Steps
Step-by-step procedures for removing and installing major units of the forklift.
Hyundai Forklift Power Train System
Power Train Structure and Operation
Details the power train diagram, structure, and operational principles.
Power Train System Troubleshooting
Common problems, probable causes, and remedies for the power train system.
Hyundai Forklift Brake System
Brake System Structure and Function
Describes the two brake systems (foot and hand) and their specifications.
Brake System Checks and Troubleshooting
Covers checks, common issues, causes, and remedies for brake system problems.
Hyundai Forklift Steering System
Steering System Structure and Function
Explains the components and operating principles of the steering system.
Steering System Checks and Troubleshooting
Details checks for steering wheel and axle, and troubleshooting for common problems.
Hyundai Forklift Hydraulic System
Hydraulic System Structure and Function
Illustrates the hydraulic circuit (Non OPSS and non boosted brake) and its components.
Hydraulic System Checks and Troubleshooting
Covers operational checks for hydraulic system, control valve, and troubleshooting for common issues.
Hyundai Forklift Electrical System
Electrical Component Locations
Diagram showing the location of electrical components on the forklift.
Electrical Circuit Diagrams
Detailed wiring diagrams for dashboard and frame/engine parts.
Electrical System Troubleshooting
Lists common electrical system problems, their causes, and recommended remedies.
Hyundai Forklift Mast System
Mast Structure Overview
Exploded view diagrams of the 2-stage mast (V MAST) components.
Mast System Checks and Troubleshooting
Covers operational checks for forks and mast, and troubleshooting for common mast/fork issues.
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