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Doosan DL420-5 User Manual

Doosan DL420-5
60 pages
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Stage IV
DL200-5 | DL200TC-5 | DL220-5 | DL250-5 | DL250TC-5 | DL280-5
DL300-5 | DL350-5 | DL420-5 | DL420CVT-5 | DL450-5 | DL550-5 | DL580-5
Wheel Loader
Quick Start Manual
This document is not a replacement for the operations manual.
Please read the Operation and Maintenance Manual provided with
the machine for installation, operating and safety information.
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Doosan DL420-5 Specifications

General IconGeneral
BrandDoosan
ModelDL420-5
CategoryFront End Loaders
LanguageEnglish

Summary

Safety Signal Definitions

DANGER Signal Word

Indicates an imminently hazardous situation leading to serious injury or death.

WARNING Signal Word

Indicates a potentially hazardous situation leading to serious injury or death.

Personal Protective Equipment (PPE)

Essential PPE Requirements

Lists essential PPE including hard hat, safety shoes, glasses, mask, gloves, and earplugs.

Safe Machine Access Procedures

Machine Entry and Exit Safety

Always wear appropriate footwear, face the machine, and use handrails for safe access.

Safety Sign Interpretation

Seat Belt Safety Reminder

Always fasten your safety seat belt to prevent serious injury or death.

Lift Arm Safety Precautions

Avoid standing under a lifted lift arm unless it is properly secured.

Fuel and Fluid Requirements

Fuel Specification Guidelines

Use only fuel with ultra-low sulphur content (≤ 10 mg/kg).

SCR Fluid (AdBlue®) Usage

Use only a 32.5% urea aqueous solution for Selective Catalytic Reduction (SCR).

Maintenance Check Points

Daily Maintenance Schedule

Covers checks for engine oil, coolant, filters, work tools, tyres, and switches every 10 hours.

Weekly Maintenance Schedule

Includes checks for pins, grease, belts, and fuel condensation every 50 hours.

Front Operator Console Layout

Dashboard Indicators and Controls

LCD Screen Information Display

Steering Column and Seat Adjustments

Steering Column Lever Controls

Side Console Layout and Controls

Multifunction Joystick Operation

Joystick Control Functions

Details directional control, horn, FNR, and auxiliary functions of the joystick.

Joystick Use Diagram

Visual guide for joystick movements like lift, crowd, dump, and return to dig.

Joystick FNR Engagement and Operation

Engaging Joystick FNR

Step-by-step guide to activate and use the joystick for forward/reverse control.

Electric Steering System Activation

Steering Activation and Controls

Details the button, FNR switch, and kick-down for electric steering activation.

Electric Steering FNR Modes

Joystick Steering Modes

Describes using joystick for direction and FNR, and available driving modes (Fast/Soft).

Lift Arm Position Memory Settings

Bucket Return to Dig Function

Transmission Clutch Cut Off (ICCO)

ICCO Functionality

Explains ICCO, its benefits for hydraulics, and activation indicators.

Brake Pedal Inching Functionality

Inching vs. Braking Operation

Details how the inching function works, its benefits, and pedal operation.

Lift Arm Suspension (L.I.S.) System

L.I.S. Enable/Disable

Explains how to activate L.I.S. and its automatic activation speeds.

Setting Lift Arm Suspension (L.I.S.)

Configuring L.I.S. Activation Speed

Guides on setting activation speed via the vehicle configuration menu.

Torque Converter Lock-Up System

Lock-Up Functionality

Describes the torque converter lock-up system, its benefits for speed and fuel economy.

Front Differential Lock (H.D.L.) System

H.D.L. Operation and Activation

Explains H.D.L. system, foot switch, automatic activation, and indicators.

Engine Power Mode Management

Traction and Variable Speed Control

Transmission Speed Limit Management

Transmission Creep Mode Settings

Cold Start Procedures by Temperature

Very Cold Start (-2°C and below)

Outlines cold start procedure with parking brake ON and no machine movement.

Transmission Mode Selection

Engine Auto Shut-Off Function

Electric Steering Safety Test

Manual Electric Steering Test

Procedure to test electric steering system manually by turning the wheel.

On-Board Computer Menu Access

On-Board Computer Machine State Menu

On-Board Computer Machine Configuration

On-Board Computer Gauge Panel Configuration

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