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Komatsu · 345 стр.
TEN00291-00 PC1250,1250SP,1250LC-7 CRAWLER EXCAVATORS
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Contents
Document text
FOREWORD
. FOREWORD FOREWORD of when WARNING periodically. 1 - 2 FOREWORD This manual provid precautions in this accident s are cause machines. Acciden performing operation and maintenan use followed at to follow fu all times performing operation and the operation a maintenance.
ollow fu ndament al safet forehan Operator s and mainten ance personnel m ust always do as follows before b eginning op eration or mainten Alway s be sure to re ad and understan d this manual t horoughly before performing o peration and main Read t he safety mes sages given in thi s manual and t he safety l abels aff ixed to the machine thoroughl y and be sure that understand them ful Keep this manual in the storage location for the operati on and ma intenanc e manual gi ven below, and hav e all personnel re If t his manual has been lost or has becom e dirt y and ca nnot be re ad, reque st a replacement manual imm ediately from Kom or your K omatsu distri If you sel l the machine, be sure to give th is manual to th e new ow ners together with th Komatsu delivers mach ines that comply w ith all applicab le regulati ons and standards of the country to whi ch it has been ship If t his machine has bee n purchased in an other c ountry o r purchas ed from s omeone in a nother country, it may lack certain s devices a nd specificat ions that are nece ssary for use in your c ountry.
I f there is an y question about whether your pro complies with the appl icable standards a nd regulations of your c ountry, consult Kom atsu or your Kom atsu distributor b operating the machine. Storage location for the Operation an d Maintenan ce Manu
SAFETY INFORMATION
. FOREWORD SAFETY INFORMATION Signal words The following signal words are used to inform you that there is a potential hazardous situation that may lead to hazardous situation which, if not avoided, will result in death or Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
WARNING indicate precautions that should be followed to 1 - 5 SAFETY INFORMATIO To ena ble you t o use thi s machine s afely, safe ty precautions an d labels are g iven in t his manual and affi xed to the machin giv otential such situatio person al injury o r dama In this manual a nd on m achine labe ls, the following signa l words are used to express th e potentia l level of hazard ndicates an imminentl serious injur y. potentially hazardou or moderate in jury. This word is us ed also to alert agai nst unsafe practices that m ay cause property da Exampl e of safety messag e using signa When st anding up from the operator's s eat, always place the lo ck lever i the LOC K position .
If you ac cidentally touch th e control lev ers when th ey are not lo cked, thi may cau se a serio us injury or death. Other si gnal word In addi tion to th e above , the follow ing signal word s are used t protect the machine or t o give infor mation that is useful t o know. This word is used for p recautions that mu st be taken to avoid actions whi ch coul d shorten he life of th e machine. This word is used for in formation that is u sefu l to kno
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 th e operator or maintenan ce worker on the sp ot when carrying out operation or mainte nance of the machine that may involve hazard . This machine uses "Safety labels using words" and "Safety labels using pi ctograms" to indicat e safety procedures. Safety labels using pi ctogram use a picture to express a level of hazardous t to the signal word. These safety pictograms Safety pictograms condition equivalen fety pictograms use pictures in ord er to let the operator or maint enance worker understand the lev el and type of hazardous condit ion at all times.
Safety pictograms s how the type of hazardous con dition at the top or left side, and the method of avoiding the hazard ous condition at the bottom or right s ide. In addition, the type of haza rdous condition is displayed inside a triangle and the method n is shown inside a circle. of avoiding the hazardous conditio potentia aintenance. Therefore, the safet y messages in this manual and on the machine may no t include a ll possibl e safety precautions. If any proceduresor actions not specifically recomm endedor allowed in this manual ar e used, it is your r esponsibility to take the necessa ry steps to ensure safety.
In no event should you engage in prohibited uses or actions described in this manua The explanations, v alues, and illustrations in this manual were prepared b ased on th e latest i nformation available at that time. Contin uing improvements in the des ign of this machine can lead to ch anges in detail which may not be reflected in this manual. Consult Komatsu or yo ur 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 correspo nd to the numbers in ( ) in the tex t. (For e xample: 1 J (1)
BREAKING-IN THE NEW MACHINE
. FOREWORD INTRODUCTION DIRECTIONS OF MACHINE 1 - 7 INTRODUCT 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 See th e section "R ECOMMENDED A PPLICATIONS (PAGE 3-116)" for further details. In this manual, the t erms 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. BREAKING-IN THE NEW MACHINE NOTICE Your Komatsu machine has been thoroughly adjusted and tested before shipment from the factory.
However, operating the machine under full load before breaking the machine in can adversely affect the performance and shorten the machine life. Be sure to break in the machine for the initial 100 hours (as indicated on the service meter). 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 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 Imm ediately afte r starting the engin e, avoid sudden starts, s udden acceleration, unnecessary sudden stops, and sud den changes in direction. However,