SBN1006

DL-A Wheel Loader Component Location

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2

COURSE CURRICULUM

COURSE OBJECTIVES

After completion of this course, you will be able to:

1) Identify components of DL-A Wheel Loaders

2) Explain functions of major components

1. Component

Location

2. Operation &

Maintenance

3. DL-A

Wheel Loader

Wheel Loader

Wheel Loader DL420A

DL 420 A

Bucket size

Model name

Tier 2 Engine

(Mechanical)

Product Naming

PRODUCT IDENTIFICATION

PRODUCT IDENTIFICATION

PRODUCT IDENTIFICATION

DWG : means that this was manufactured in Doosan(FACTORY)

CWLBB : means DL420A (MODEL)

10488 : is machine serial no. (SERIAL No.)

MAJOR COMPONENT LOCATION

Bucket

Front axle

Boom cylinder

Cabin

Bucket cylinder

Loader arm

Tilt lever

Rear axle

Counterweight

MAJOR COMPONENT FUNCTION

Front axle

Engine Hydraulic System

Transmission

Torque

Converter

► Click on the name to see image.

Engine

As a source of energy,

it creates rotational energy

Front axle

Increase driving power from

transmission and transmit

increased driving power to tire

finally and stop machine by

brake system

Torque converter

One of oil clutch, transmit

engine power to transmission

Transmission

Increase or decrease machine

speed (Traveling power) from

engine by controlling operator

Hydraulic system Steering unit

Give steering control signal to

the flow amplifier valve by

operator steering control

Flow amplifier

Discharged HYD. oil is delivered

to steering cylinder by steering

unit control signal

CABIN COMPONENT & SWITCHES

Instrument Panel

Transmission Lever Combination Switch

Steering Wheel

CABIN COMPONENT & SWITCHES

Hour Meter Hazard Switch

CABIN COMPONENT & SWITCHES

Starter Switch

Automatic

shift mode

CABIN COMPONENT & SWITCHES

Joystick

Head light

F.W. light

R.W. light

R. wiper

Pilot cut-off

T/M cut-off

Parking brake

Rotating beacon

► Click on the name to see image.

CABIN COMPONENT & SWITCHES

(Front)

Reverse

Neutral

Forward

Horn

(Back)

Kick-down

CABIN COMPONENT & SWITCHES

Head light

CABIN COMPONENT & SWITCHES

Front working light

CABIN COMPONENT & SWITCHES

Rear working light

CABIN COMPONENT & SWITCHES

Rear wiper

CABIN COMPONENT & SWITCHES

Pilot cut-off

CABIN COMPONENT & SWITCHES

Parking brake

CABIN COMPONENT & SWITCHES

Transmission cut-off

CABIN COMPONENT & SWITCHES

Rotating beacon

Thank you for your attention.

• In this course, you :

☞ Identified components of Doosan DL-A Wheel Loader

☞ Learned the function of major components

☞ Identified components and switches in cabin

Continue to ‘course survey’ & ‘quiz’ to complete this course.

COURSE SUMMARY – DLA Component Location