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Jungheinrich DFG 425 - User Manual

Jungheinrich DFG 425
186 pages
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öJUNGHEINRICH
11.09 -
08.11
51167624
DFG/TFG 316-435
Operating instructions G
TFG 430
DFG 320
DFG 425
DFG 430
DFG 435
TFG 316
TFG 320
TFG 425
TFG 435
DFG 316

Table of Contents

Questions and Answers

  • N
    nestesAug 17, 2025
    What to do if the engine oil indicator is lit during operation in Jungheinrich DFG 425 Forklifts?
    • M
      Mr. Joshua Kim IIAug 17, 2025
      If the engine oil indicator is lit during operation, it indicates that the engine oil level is too low. Check the engine oil level and top it up if necessary.
  • C
    Connie FlemingAug 21, 2025
    What to do if the starter does not turn in Jungheinrich DFG 425 Forklifts?
    • J
      Joseph DavisAug 21, 2025
      If the starter doesn't turn, it could be due to several reasons: * The travel direction switch might not be in neutral. Turn the travel direction switch to neutral. * The battery charge might be too low. Check the battery charge and charge the battery if necessary. * The battery terminal cable could be loose or the terminals oxidized. Clean and grease the terminals, then tighten the battery terminal cable. * The starter cable might be loose or broken. Check the starter cable, and tighten or replace it as required. * The starter magnetic switch might be jammed. Check if the magnetic switch audibly engages.
  • T
    thowardAug 25, 2025
    What to do if the engine temperature display is in the red zone in Jungheinrich DFG 425 Forklifts?
    • C
      Cheryl HansenAug 26, 2025
      If the engine temperature display is in the red zone, it could indicate several problems: * The engine oil level might be too low; check and top up if necessary. * The radiator might be contaminated; clean it. * The coolant level might be too low; check the engine radiator system for leaks and add coolant if necessary. * The fan V-belt might be slipping; check the V-belt tension and tighten or replace it as required.
  • N
    Nathan AbbottAug 28, 2025
    What to do if the transmission oil indicator is lit during operation in Jungheinrich Forklifts?
    • J
      Julia MorrisAug 28, 2025
      If the transmission oil indicator is lit during operation, it suggests that the transmission oil level is too low. Check the transmission oil level and top up if necessary. Also, the radiator might be contaminated, so ensure you clean it.
  • U
    urogersSep 1, 2025
    What to do if the Jungheinrich DFG 425 Forklifts engine is running but the truck does not travel?
    • R
      Regina SchultzSep 1, 2025
      If the engine is running but the truck isn't moving, ensure that the travel direction switch is set to the required direction and that the parking brake is released.
  • C
    Cameron MackSep 5, 2025
    Why is the lift speed too low in Jungheinrich DFG 425?
    • S
      suemasonSep 5, 2025
      If the lift speed is too low, it could be due to: * A hydraulic reservoir oil level that is too low. Check the hydraulic oil and top up if necessary. * A hydraulic reservoir discharge system that is contaminated or blocked. Clean or replace the hydraulic reservoir discharge system.
  • K
    Karen SpearsSep 9, 2025
    What to do if the load cannot be raised to maximum height in Jungheinrich DFG 425?
    • K
      Kyle WagnerSep 9, 2025
      If the load cannot be raised to the maximum height, it is likely that the hydraulic reservoir oil level is too low. Check the hydraulic oil and top up if necessary.
  • S
    sullivanjeremyNov 12, 2025
    What to do if the engine does not start in Jungheinrich DFG 425 Forklifts?
    • J
      Jennifer MartinezNov 12, 2025
      If the engine doesn't start, several issues could be the cause: * The air filter might be contaminated, so you should clean or replace it. * The Bowden cable could be faulty or hanging, requiring a check. * The LPG bottle shutoff valve might be closed, so ensure it's open. * The LPG bottle may be empty, requiring a replacement. * The ignition distributor cap could be damp; dry it and apply contact spray if needed. * Spark plugs might be damp, oily, or loose; dry, clean, and tighten them. * The spark plugs could be faulty, so replace them. * The fuel tank might be empty, with the injection system having suctioned in air; fill up with diesel and bleed the injection system. * There could be water in the fuel system; discharge the fuel system and add fuel. * The fuel filte...

Summary

Declaration of Conformity

GB EU Conformity Declaration

Formal declaration of the truck's conformity with relevant EU directives.

Foreword

A Correct Use and Application

C Transport and Commissioning

D Fuelling the Truck

General

Covers safety regulations for handling diesel and LPG fuels.

LPG Containers

Details safety precautions for using LPG bottles and tanks.

E Operation

Operational Safety Regulations

Covers driver authorization, responsibilities, and general safety rules.

Displays and Controls Overview

Identifies and explains the function of the truck's displays and controls.

Truck Preparation and Daily Checks

Outlines preparation steps, daily checks, and operator adjustments.

Fork and Load Handling Operations

Explains fork adjustment, load handling, lift mechanisms, and attachments.

7 Troubleshooting

General Troubleshooting and Fault Displays

Guides fault identification via indicators and provides initial troubleshooting steps.

Truck Operation Without Drive System

Covers procedures for towing and emergency lowering of the truck.

Engine Maintenance Procedures

Details engine maintenance, including oil, filter, fuel, belts, and cooling.

F Industrial Truck Maintenance

Operational Safety and Environmental Protection

Emphasizes safety and environmental considerations during maintenance.

Maintenance Safety Regulations

Outlines general safety rules for maintenance and repair personnel.

Jungheinrich DFG 425 Specifications

General IconGeneral
BrandJungheinrich
ModelDFG 425
CategoryForklifts
LanguageEnglish

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