Hitachi ZAXIS 330-3 Manuale di istruzioni

PRINTED IN JAPAN (E) 2006, 02

ZAXIS330

-3

class HYDRAULIC EXCAVATOR WORKSHOP MANUAL

PART NO. W1V7-E-00

Workshop Manual

Service Manual consists of the following separate Part No;

Technical Manual (Operational Principle) : Vol. No.TO1V7-E

Technical Manual (Troubleshooting) : Vol. No.TT1V7-E

Workshop Manual : Vol. No.W1V7-E

URL:http://www.hitachi-c-m.com Hydraulic Excavator

330-3 class

330-3•330LC-3

350H-3•350LCH-3

350LCK-3

350LC-3•350LCN-3

WIV7-E-00 2006.2.20, 11:50Page 1 AdobePageMaker7.0J/PPC

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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 this machine.

• Be sure to thoroughly read this manual for correct

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 manual.

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

age.):

Publications Marketing & Product Support

Hitachi Construction Machinery Co. Ltd.

TEL: 81-29-832-7084

FAX: 81-29-831-1162

ADDITIONAL REFERENCES

• Please refer to the materials listed below in addition

to this manual.

• The Operator’s Manual

• The Parts Catalog

• The Engine Manual

• Parts Catalog of the Engine

• Hitachi Training Material

MANUAL COMPOSITION

• This manual consists of three portions: the Techni-

cal Manual (Operational Principle), the Technical

Manual (Troubleshooting) and the Workshop Man-

ual.

• Information included in the Technical Manual

(Operational Principle):

technical information needed for redelivery and

delivery, operation and activation of all devices

and systems.

• Information included in the Technical Manual

(Troubleshooting):

technical information needed for operational per-

formance tests, and troubleshooting procedures.

• Information included in the Workshop Manual:

technical information needed for maintenance

and repair of the machine, tools and devices

needed for maintenance and repair, maintenance

standards, and removal/installation and assem-

ble/disassemble procedures.

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

Consecutive Page Number for Each Group

Group Number

Section Number

T: Technical Manual W: Workshop Manual

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INTRODUCTION

IN-02

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.

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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SAFETY

SA-1

RECOGNIZE SAFETY INFORMATION

• These are the SAFETY ALERT SYMBOLS.

• When you see these symbols on your machine or

in this manual, be alert to the potential for per-

sonal injury.

• Follow recommended precautions and safe oper-

ating practices.

001-E01A-0001

SA-688

UNDERSTAND SIGNAL WORDS

• On machine safety signs, signal words designating

the degree or level of hazard - DANGER, WARNING,

or CAUTION - are used with the safety alert symbol.

• DANGER indicates an imminently hazardous

situation which, if not avoided, will result in death

or serious injury.

• WARNING indicates a potentially hazardous

situation which, if not avoided, could result in

death or serious injury.

• CAUTION indicates a potentially hazardous

situation which, if not avoided, may result in minor

or moderate injury.

• DANGER or WARNING safety signs are located

near specific hazards. General precautions are

listed on CAUTION safety signs.

• Some safety signs don't use any of the desig-

nated signal words above after the safety alert

symbol are occasionally used on this machine.

• To avoid confusing machine protection with personal

safety messages, a signal word IMPORTANT indi-

cates a situation which, if not avoided, could result in

damage to the machine.

• NOTE indicates an additional explanation for an

element of information.

002-E01A-1223

SA-1223

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