Komatsu · 340 стр.

Komatsu PC400/400LC-7, PC450/450LC-7 Operation and Maintenance Manual (EN)

Оригинальное название: TEN00038-03 PC400/400LC-7, PC450/450LC-7 CRAWLER EXCAVATORS

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FOREWORD

. FOREWORD FOREWORD WARNING 1 - 2 FOREW This manual precautions i n this manua l mus llowed at all t imes when erforming operation and rules for the operation maintenance. Mos accidents are caused by ccidents can o follow fundamental safety machines. A be prevent knowin performing op eration and maintenance Before beginnin g operation o r maintenance, operators and m aintenance personnel must always obser ve the following points.

Rea d this ma nual thorough ly and unders tand its contents Rea d the saf ety messages and safety lab els given in this manual carefull y so that they should be un Keep t his manu al at the stora ge location for the Operation a nd Maintenance Manual given below so th at all personnel involve in working on t he machine ca n consult it pe riodicall In case this ma nual should be lost or damag ed, immediately c ontact Komats u or your Komatsu distribu tor to obtain a new copy When you sell t he machine, m ake sure that t his manual shou ld be p rovided to the new owner together In this manual, measurements are expressed in international standa rd units ( SI).

For the reference purp ose, weight units used i the pa st are als o displayed in S torage location for t he Operation and Maintenan

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SAFETY INFORMATION

. FOREWORD SAFETY INFORMATION Signal words Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury. Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.

Indicates a WARNING indicate precautions that should be followed to 1 - 5 SAFETY INFORMATIO To enab le you t o use t his machine s afely, safe ty precautions and labels are g iven in t his manual and affi xed to the machine giv such situation The ord persona l injury or damage In this m anual a nd on machine labe ls, the following signa l words are used to express th e potentia l level of hazard potentially hazardou s situatio n which, if not avoide d, may re sult in minor or jury. This word is us ed also t o alert agai nst unsafe practices that m ay cause mage.

Example of safety message u sing signa When sta nding up from t he o perator's s eat, always place the lo ck lever in the LOCK p osition. If y ou acc identally touch the control lev ers when th ey are not lo cked, this may cause a serious injury or deat Other sig nal word In additi on to th e above, t he follow ing signal word s are used to protect t he machine o r to give infor mation that is useful t o know. s word is used for p recautions that mus t be taken to avoid actions whi ch coul d shorten life of th e machine. s word is used for in formation that is us eful to kno

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SAFETY INFORMATION

. FOREWORD SAFETY INFORMATION Safety labels Example of safety label using words 1 - 6 Safety labels are af fixed to the machine to inform t he operator or maintenan ce worker on the sp ot when carrying out operation or mainte nance of the machine that ma y involve hazard . This machine uses "Safety labels using words" an d "Safety labels using pi ctograms" to indicat e safety procedures. Safety labels using pi ctogram use a picture to express a level of hazardous Safety pictograms condition equivalen t to the signal word. These s afety pictograms use pictures in ord er to let the operator or mai ntenance worker understand the lev el and type of hazardous cond ition at all times.

Safety pictograms show the type of hazardous co ndition at the t op or left side, and the method of avoiding the hazar dous condition at the bottom or rig ht side. In addition, the typ e of hazardous condition is display ed inside a triangle and the m ethod of avoiding the hazardous con dition is shown inside a circle . potentia aintenance. Therefore, the safe ty messages in this manual an d on the machine may no t include a ll possibl e safety precautions. If any procedureso r actions not specifically recom mendedor allowed in this manual ar e used, it is your r esponsibility to take the necess ary steps to ensure safety.

In no event should you engage in prohibited use s or actions described in this manua The explanations, values, and illustrations in this manual were prepared b ased on th e latest i nformation available at that time. Contin uing improvements in the de sign of this machine can lead to ch anges in detail which may not be reflected in this manual. Consult Komatsu or y our Komatsu distributor f or the lates t availabl e information of y our machine or for que stions regarding information in this manual . The numbers in cir cles in the illustrations corresp ond to the numbers in ( ) in the tex t. (For e xample: 1 -> (1)

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BREAKING-IN THE NEW MACHINE

. FOREWORD INTRODUCTION DIRECTIONS OF MACHINE BREAKING-IN THE NEW MACHINE the 1 - 7 INTRODUCT ION hine is designed to be used mainly for the following work: This K omatsu mac hine is designed to be used mainly for the Dig ging work eling work hing work ding work Lev Ditc Loa De molition work See th e section "R ECOMMENDED A PPLICATIONS (PAGE 3-117)" for further details. In this manual, the terms front, r ear, lef t, and right refer to the t ravel direction as seen from the operator's sea t when the op erator's seat is facing the front a nd the sprocket is at th e rear of the machine.

NOTIC Your K horoug machin e under full lo ad before breaking th e machine in can adversel y affect the performance and shorten the machine l ife. Be sur e to break in th e machine for the init ial 100 hours (as indicated However, Make sure that you fully understand the content of this manual, and pay careful attention t o the following points when breaki ng in the ma chine. Ru n the engine at idle for 15 secon ds after starting it. Duri ng this time, do not operate the control levers or fuel con trol dial. or 5 minutes after starting it up. with heavy loads or at high speeds.

Idle the engine f or 5 minutes after s Avo id operation with heavy lo ads o Im mediately afte r starting the engin e, avoid sudden starts, s udden acceleration, unnecessary sudden stops, and sud den changes in direction.

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