Komatsu PC1250-8 Operation and Maintenance Manual (EN)

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TEN00362-01 HYDRAULIC EXCAVATOR PC1250 -8 PC1250LC -8 PC1250SP -8 SERIAL NUMBERS 30153 and up Unsafe use of this machine may cause serious injury or death. Operators and maintenance personnel must read this manual before operating or maintaining this machine. This manual should be kept near the machine for reference and periodically reviewed by all personnel who will come into contact with it. Komatsu has Operation & Maintenance Manuals written in some other languages. If a foreign language manual is necessary, contact your local distributor for availability. WARNIN WARNIN NOTICE NOTICE

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BEFORE READING THIS MANUAL

. FOREWORD BEFORE READING THIS MANUAL BEFORE READING THIS MANUAL Read, understand and follow all precautions and warnings in this manual and on the machine before performing operation and maintenance. Failure to do so may result in serious injury or death. If you sell the machine, be sure to give this manual to the new owner together with the machine. Always keep this Operation and Maintenance Manual in the location shown on the right so that all relevant personnel can read it at any time. Storage location for the Operation and Maintenance Manual: magazine box on the left side of the operator's seat. the past are given in ( ).

1 - 2 This manual gives details of the operation and methods of inspe ction and maintenance for this machine that mus be obeyed in order to use the machine safely. Most accidents are caused by the failure to follow fundamental safety rules for the operation and maintenance of machines.

Komatsu cannot predict every circumstance that might involve a potential hazard when the machine is used Therefore, the safety messages in this manual and on the machin e may not include all possible safety precautions If you carry out any operation, inspection, or maintenance under conditions that are not described in this manual understand that it is your responsibility to take the necessary pre cautions to ensure safety. In no event should you or others engage in the prohibited uses or actions described in t his manual. Improper operation and maintenance of the machine can be hazardous and could result in serious inju ry or death.

If this manual is lost or damaged, contact your distributor imme diately to arrange for its replacement. For detail regarding the machine serial No. you will need to provide your Ko matsu distributor, see "YOUR MACHINE SERIAL NUMBERS AND DISTRIBUTOR (PAGE 1-7)". This manual uses the international units (SI) for units of measure ment. For reference, units that have been used in The explanations, values, and illustrations in this manual have been prepared based on the latest information ents in the design of this machine may lead to available as of the date of its publication. Continuing improvem additional changes that are not reflected in this manual.

Consult Komatsu or your Komatsu distributor for the lates available information concerning your machine or with questions regarding information contained in this manual. The numbers in circles in the illustrations correspond to the n umbers in ( ) in the text. (For example:1 → (1)) Komatsu delivers machines that comply with all applicable regula tions and standards of the country to which it has been shipped. If this machine has been purchased in another country, it may lack certain safety devices and specifications that are necessary for use in your country. If th complies with the applicable standards and regulations of yo distributor before operating the machine.

ere is any question about whether your produc ur country, consult Komatsu or your Komatsu

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SAFETY INFORMATION

. FOREWORD SAFETY INFORMATION SAFETY INFORMATION followed. This hazardous situation which, if not avoided, will This signal word indicates a potentially hazardous situation which, if not avoided, could This signal word indicates a potentially hazardous situation exists which, if not avoided, The following are used to alert you to information that must be followed to avoid damage to the machine. 1 - 3 To enable you to use the machine safel y, and to prev ent injury to operators , service personnel or bystanders, the warnings the machi always To i dentify important safety messages in the manual an d on the m achine labels, the following sig nal words are used.

The Alert Symbol" messages on machines, in manuals, and elsewhere. When you see this symbol, be al ert to the risk of personal inj ury or deat h. Follow t he instructions in th e safety message. imminently ult in death o r serious injury ult in death o r serious injury y result in mi nor or moderat signal word s precaution i s given where the machi ne may be damaged or the ser vice life reduce d if precaution is not followed. s word is use d for informati on that is u seful t o know.

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DIRECTIONS OF MACHINE

. FOREWORD INTRODUCTION INTRODUCTION DIRECTIONS OF MACHINE (A) (B) (C) (D) Front Rear Left Right (E) (F) Operator's seat Sprocket In this manual, the terms front, rear, left, and right refer to the travel direction as seen from the operator's seat when the operator's seat is facing the front and the sprocket is at the rear of the machine. 1 - 4 USE OF MACHINE This Komatsu machine is designed to be used mainly fo r the following work: Digging work Leveling work Ditching work Loading work See the section "RECOMMENDED for further details.

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