SEAD01142001 D31E,P,PL,PLL-20,D31P-20A.D37E-5/D37P-5A

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SEAM01 142001 Operation & Maintenance Manual 031 E,P,PL,PLL-20 D31 P-20 A D37E-5/D37P-5 A

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1. FOREWORD

1. FOREWORD This manual provides rules and guidelines which will help you use this machine safely and effectively. Keep this manual handy and have all personnel read it periodically. If this manual has been lost or has become dirty and can not be read, request a replacement manual from Komatsu or your Komatsu distributor. If you sell the machine, be sure to give this manual to the new owners. Continuing improvements in the design of this machine can lead to changes in detail which may not be reflected in this manual. Consult Komatsu or your Komatsu distributor for the latest available information of your machine or for questions regarding information in this manual.

A WARNING 1 Improper operation and maintenance of this machine can be hazardous and could re- sult in serious injury or death. Operators and maintenance personnel should read this manual thoroughly before be- ginning operation or maintenance. Some actions involved in operation and maintenance of the machine can cause a serious accident, if they are not done in a manner described in this manual. The procedures and precautions given in this manual apply only to intended uses of the machine. If you use your machine for any unintended uses that are not specifically prohibited, you must be sure that it is safe for you and others.

In no event should you or others engage in prohibited uses or actions as described in this manual. NOTICE Komatsu delivers machines that comply with all applicable regulations and standards of the country to which it has been shipped. If this machine has been purchased in an- other country or purchased from someone in another country, it may lack certain safety devices and specifications that are necessary for use in your country. If there is any question about whether your product complies with the applicable standards and regula- tions of your country, consult Komatsu or your distributor before operating the machine. O-l

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2. SAFETY INFORMATION

2. SAFETY INFORMATION Most accidents are caused by the failure to follow fundamental safety rules for the oper- ation and maintenance of machines. To avoid accidents, read, understand and follow all precautions and warnings in this manual and on the machine before performing operation and maintenance. To identify safety messages in this manual and on machine labels, the following signal words are used. A DANGER - This word is used on safety messages and safety labels where there is a high probability of serious injury or death if the hazard is not avoided. These safety messages or labels usually describe precautions that must be taken to avoid the hazard.

Failure to avoid this hazard may also re- sult in serious damage to the machine. A WARNING - This word is used on safety messages and safety labels where there is a potentially dangerous situation which could result in serious injury or death if the hazard is not avoided. These safety messages or labels usually describe precautions that must be taken to avoid the hazard. Failure to avoid this hazard may also result in serious damage to the machine. A CAUTION - This word is used on safety messages and safety labels for hazards which could result in minor or moderate injury if the hazard is not avoided.

This word might also be word for hazards where the only result could be damage to the machine. NOTICE - This word is used for precautions that must be taken to avoid actions which could shorten the life of the machine. Komatsu cannot predict every circumstance that might involve a potential hazard in oper- ation and maintenance. Therefore the safety message in this manual and on the machine may not include all possible safety precautions. If any procedures or actions not specifically recom- mended or allowed in this manual are used, you must be sure that you and others can do such procedures and actions safely and without damaging the machine.

If you are unsure about the safety of some procedures, contact Komatsu or a Komatsu distributor. o-2

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3. INTRODUCTION

3. INTRODUCTION 3.1 INTENDED USE This Komatsu BULLDOZER is designed to be used mainly for the following work: l Dozing l Smoothing l Cutting into hard or frozen ground or ditching. See the section “12.10 WORK POSSIBLE USING BULLDOZER” for further details. 3.2 FEATURES l Simple, easy operation One lever with hydraulic control is used for the steering and directional lever. One lever with a solenoid selector system is used for the blade control angle-tiltdozer) lever (hydraulic l Simple, easy maintenance l Fuel gauge and air cleaner clogged warning lamp installed on instrument panel. 3.3 BREAKING IN THE MACHINE Your Komatsu machine has been thoroughly adjusted and tested before shipment.

However, operating the machine under severe conditions at the beginning can adversely affect the performance and shorten the machine life. Be sure to break in the machine for the initial 100 hours (as indicated by the service meter.) During breaking in: l Idle the engine for 5 minutes after starting it up. l Avoid operation with heavy loads or at high speeds. l Avoid sudden starts, sudden acceleration, sudden steering and sudden stops except in cases of emergency. o-3

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