Hitachi ZAXIS 170W-3 Manual de usuario

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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 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: 81-29-832-7084

FAX: 81-29-831-1162

• This manual contains the revision information

to the 18, June 2007.

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

SA-688

SA-1223

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 personal injury.

• Follow recommended precautions and safe operating

practices.

001-E01A-0001

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 spe-

cific hazards. General precautions are listed on CAUTION

safety signs.

• Some safety signs don’t use any of the designated 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 indicates a situation

which, if not avoided, could result in damage to the ma-

chine.

• NOTE indicates an additional explanation for an element

of information.

002-E01A-1223

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SAFETY

SA-2

FOLLOW SAFETY INSTRUCTIONS

•Carefully read and follow all safety signs on the machine

and all safety messages in this manual.

•Safety signs should be installed, maintained and replaced

when necessary.

• If a safety sign or this manual is damaged or missing,

order a replacement from your authorized dealer in the

same way you order other replacement parts (be sure to

state machine model and serial number when ordering).

•Learn how to operate the machine and its controls correctly

and safely.

•Allow only trained, qualified, authorized personnel to oper-

ate the machine.

•Keep your machine in proper working condition.

• Unauthorized modifications of the machine may impair

its function and/or safety and affect machine life.

• Do not modify any machine parts without authorization.

Failure to do so may deteriorate the part safety, func-

tion, and/or service life. In addition, personal accident,

machine trouble, and/or damage to material caused by

unauthorized modifications will void Hitachi Warranty

Policy.

• Do not use attachments and/or optional parts or equip-

ment not authorized by Hitachi. Failure to do so may

deteriorate the safety, function, and/or service life of the

machine. In addition, personal accident, machine trouble,

and/or damage to material caused by using unauthorized

attachments and/or optional parts or equipment will void

Hitachi Warranty Policy.

•The safety messages in this SAFETY chapter are intended to

illustrate basic safety procedures of machines. However it is

impossible for these safety messages to cover every hazard-

ous situation you may encounter. If you have any questions,

you should first consult your supervisor and/or your autho-

rized dealer before operating or performing maintenance

work on the machine.

003-E01B-0003

SA-003

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SAFETY

SA-3

PREPARE FOR EMERGENCIES

•Be prepared if a fire starts or if an accident occurs.

• Keep a first aid kit and fire extinguisher on hand.

• Thoroughly read and understand the label attached on

the fire extinguisher to use it properly.

• To ensure that a fire-extinguisher can be always used

when necessary, check and service the fire-extinguisher

at the recommended intervals as specified in the fire-

extinguisher manual.

• Establish emergency procedure guidelines to cope with

fires and accidents.

• Keep emergency numbers for doctors, ambulance service,

hospital, and fire department posted near your tele-

phone.

004-E01A-0437

WEAR PROTECTIVE CLOTHING

•Wear close fitting clothing and safety equipment appropri-

ate to the job.

You may need:

A hard hat

Safety shoes

Safety glasses, goggles, or face shield

Heavy gloves

Hearing protection

Reflective clothing

Wet weather gear

Respirator or filter mask.

Be sure to wear the correct equipment and clothing for the

job. Do not take any chances.

• Avoid wearing loose clothing, jewelry, or other items that

can catch on control levers or other parts of the machine.

•Operating equipment safely requires the full attention of

the operator. Do not wear radio or music headphones while

operating the machine.

005-E01A-0438

PROTECT AGAINST NOISE

•Prolonged exposure to loud noise can cause impairment or

loss of hearing.

• Wear a suitable hearing protective device such as ear-

muffs or earplugs to protect against objectionable or

uncomfortably loud noises.

006-E01A-0434

SA-437

SA-434

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SAFETY

SA-4

INSPECT MACHINE

•Inspect your machine carefully each day or shift by walking

around it before you start it to avoid personal injury.

• In the walk-around inspection be sure to cover all points

described in the “PRE-START INSPECTION” chapter in the

operator’s manual.

007-E01A-0435

GENERAL PRECAUTIONS FOR CAB

• Before entering the cab, thoroughly remove all dirt and/

or oil from the soles of your work boots. If any controls

such as a pedal is operated while with dirt and/or oil on

the soles of the operator’s work boots the operator’s foot

may slip off the pedal, possibly resulting in a personal ac-

cident.

• Do not leave parts and/or tools lying around the operator’

s seat. Store them in their specified locations.

• Avoid storing transparent bottles in the cab. Do not at-

tach any transparent type window decorations on the

windowpanes as they may focus sunlight, possibly start-

ing a fire.

• Refrain from listening to the radio, or using music head-

phones or mobile telephones in the cab while operating

the machine.

• Keep all flammable objects and/or explosives away from

the machine.

• After using the ashtray, always cover it to extinguish the

match and/or tobacco.

• Do not leave cigarette lighters in the cab. When the tem-

perature in the cab increases, the lighter may explode.

524-E01A-0000

SA-435

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SAFETY

SA-5

USE HANDHOLDS AND STEPS

•Falling is one of the major causes of personal injury.

• When you get on and off the machine, always face the

machine and maintain a three-point contact with the

steps and handrails.

• Do not use any controls as hand-holds.

• Never jump on or off the machine. Never mount or dis-

mount a moving machine.

• Be careful of slippery conditions on platforms, steps, and

handrails when leaving the machine.

008-E01A-0439

ADJUST THE OPERATOR'S SEAT

•A poorly adjusted seat for either the operator or for the

work at hand may quickly fatigue the operator leading to

misoperations.

• The seat should be adjusted whenever changing the op-

erator for the machine.

• The operator should be able to fully depress the pedals

and to correctly operate the control levers with his back

against the seat back.

• If not, move the seat forward or backward, and check

again.

• Adjust the rear view mirror position so that the best rear

visibility is obtained from the operator’s seat. If the mirror

is broken, immediately replace it with a new one.

009-E01A-0462

ENSURE SAFETY BEFORE RISING FROM OR LEAV-

ING OPERATOR’S SEAT

•Before rising from the operator’s seat to open/close either

side window or to adjust the seat position, be sure to first

lower the front attachment to the ground and then move

the pilot control shut-off lever to the LOCK position. Failure

to do so may allow the machine to unexpectedly move

when a body part unintentionally comes in contact with a

control lever, possibly resulting in serious personal injury or

death.

• Before leaving the machine, be sure to first lower the

front attachment to the ground and then move the pilot

control shut-off lever to the LOCK position. Turn the key

switch OFF to stop the engine.

• Before leaving the machine, close all windows, doors, and

access covers and lock them up.

SA-439

SA-378

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SAFETY

SA-6

FASTEN YOUR SEAT BELT

•If the machine should overturn, the operator may become

injured and/or thrown from the cab. Additionally the opera-

tor may be crushed by the overturning machine, resulting in

serious injury or death.

• Prior to operating the machine, thoroughly examine web-

bing, buckle and attaching hardware. If any item is dam-

aged or worn, replace the seat belt or component before

operating the machine.

• Be sure to remain seated with the seat belt securely

fastened at all times when the machine is in operation to

minimize the chance of injury from an accident.

• We recommend that the seat belt be replaced every three

years regardless of its apparent condition.

010-E01A-0237

MOVE AND OPERATE MACHINE SAFELY

•Bystanders can be run over.

• Take extra care not to run over bystanders. Confirm the

location of bystanders before moving, swinging, or oper-

ating the machine.

• Always keep the travel alarm and horn in working condi-

tion (if equipped). It warns people when the machine

starts to move.

• Use a signal person when moving, swinging, or operating

the machine in congested areas. Coordinate hand signals

before starting the machine.

• Use appropriate illumination. Check that all lights are op-

erable before operating the machine. If any faulty illumi-

nation is present, immediately repair it.

011-E01A-0398

HANDLE STARTING AIDS SAFELY

Starting fluid:

•Starting fluid is highly flammable.

• Keep all sparks and flame away when using it.

• Keep starting fluid well away from batteries and cables.

• Remove container from machine if engine does not need

starting fluid.

• To prevent accidental discharge when storing a pressur-

ized container, keep the cap on the container, and store it

in a cool, well-protected location.

• Do not incinerate or puncture a starting fluid container.

036-E01A-0293-3

SA-237

SA-083

SA-293

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