Hitachi Zaxis 110M User manual

(Troubleshooting)

Manual No. : KM-1G6E

Vol. No. : TT1G6-EAC-00

Technical Manual

PRINTED IN SINGAPORE (PS) 2004.09

Excavator Technical Manual (Troubleshooting) Air Conditioner

Excavator

120/180 class

ZAXIS 110 • 110M • 120 • 130H • 130K

ZAXIS 160LC • 180LC • 180LCN

200/225/270/330 class

ZAXIS 200 • 200LC • 210H • 210LCH • 210K • 210LCK

ZAXIS 225USR • 225USRLC • 225USRK • 225USRLCK

ZAXIS 230 • 230LC • 240H • 240LCH • 240K • 240LCK • 270 • 270LC

ZAXIS 330 • 330LC • 350H • 350LCH • 370MTH • 350K • 350LCK

Air Conditioner

Zaxis Air Con-TM/TSh 21/9/04, 19:561

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INTRODUCTION

IN-01

TO THE READER

• This manual is written for an experienced technician

to provide technical information needed to maintain

and repair air conditioner.

• Be sure to thoroughly read this manual for cor-

rect product information and service procedures.

• If you have any questions or comments, at if you

found any errors regarding the contents of this

manual, please contact using “Service Manual

Revision Request Form” at the end of this man-

ual.

(Note: Do not tear off the form. Copy it for us-

age.):

Publications Marketing & Product Support

Hitachi Construction Machinery Co. Ltd.

TEL: 81-298-32-7173

FAX: 81-298-31-1162

ADDITIONAL REFERENCES

• Please refer to the materials listed below in addition

to this manual.

• The Operator’s Manual

• The Parts Catalog

• Operation Manual of the Engine

• Parts Catalog of the Engine

• Hitachi Training Material

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INTRODUCTION

IN-02

PAGE NUMBER

• Each page has a number, located on the center

lower part of the page, and each number contains

the following information:

Example : T 1-3-5

SAFETY ALERT SYMBOL AND HEADLINE

NOTATIONS

In this manual, the following safety alert symbol and

signal words are used to alert the reader to the

potential for personal injury of machine damage.

This is the safety alert symbol. When you see this

symbol, be alert to the potential for personal injury.

Never fail to follow the safety instructions prescribed

along with the safety alert symbol.

The safety alert symbol is also used to draw attention

to component/part weights.

To avoid injury and damage, be sure to use appropri-

ate lifting techniques and equipment when lifting

heavy parts.

• CAUTION:

Indicated potentially hazardous situation which

could, if not avoided, result in personal injury or

death.

• IMPORTANT:

Indicates a situation which, if not conformed to the

instructions, could result in damage to the machine.

• NOTE:

Indicates supplementary technical information or

know-how.

Consecutive Page Number for Each Group

Group Number

Section Number

T: Technical Manual W: Workshop Manual

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INTRODUCTION

IN-03

UNITS USED

• SI Units (International System of Units) are used in

this manual.

MKSA system units and English units are also

indicated in parenthheses just behind SI units.

Example : 24.5 MPa (250 kgf/cm2, 3560 psi)

A table for conversion from SI units to other system

units is shown below for reference purposees.

Quantity To Convert

From Into Multiply By

MPa kgf/cm210.197Pressure

MPa psi 145.0

kW PS 1.360Power

kW HP 1.341

Temperature °C °F °C×1.8+32

km/h mph 0.6214Velocity

min-1 rpm 1.0

Flow rate L/min US gpm 0.2642

mL/rev cc/rev 1.0

Quantity To Convert

From Into Multiply By

mm in 0.03937Length

mm ft 0.003281

L US gal 0.2642

L US qt 1.057

Volume

m3yd31.308

Weight kg lb 2.205

N kgf 0.10197Force

N lbf 0.2248

N⋅m kgf⋅m 1.0197Torque

N⋅m lbf⋅ft 0.7375

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