TEN00446-02 GD655-5 MOTOR GRADER

COVER

TEN00446-02 MOTOR GRADER GD655 -5 SERIAL NUMBERS 55016 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 NOTICE NOTICE

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BEFORE READING THIS MANUAL

. FOREWORD BEFORE READING THIS MANUAL BEFORE READING THIS MANUAL This manual gives details of the operation and methods of inspection and maintenance for this machine that must 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. 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. 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 machine 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 precautions to ensure safety. In no event should you or others engage in the prohibited uses or actions described in this manual. Improper operation and maintenance of the machine can be hazardous and could 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: Pocket at rear of operator's seat If this manual is lost or damaged, contact and tell your distributor about the machine model name and the serial No. immediately to arrange for its replacement. For details regarding the machine model name and the serial No., see the machine serial No. plate. In order to arrange the proper Operation and Maintenance Manual, you will need to provide the machine model name and the serial No. to your Komatsu distributor.

This manual uses the international units (SI) for units of measurement. For reference, units that have been used in the past are given in ( ). The explanations, values, and illustrations in this manual have been prepared based on the latest information available as of the date of its publication. Continuing improvements in the design of this machine may lead to additional changes that are not reflected in this manual. Consult Komatsu or your Komatsu distributor for the latest available information concerning your machine or with questions regarding information contained in this manual. The numbers in circles in the illustrations correspond to the numbers in ( ) in the text. (For example:

1 (1)) 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 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 regulations of your country, consult Komatsu or your Komatsu distributor before operating the machine. 1 - 2

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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 "Safety 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 INTENDED USE INTENDED USE USE OF MACHINE details. DIRECTIONS OF MACHINE 1 - 4 This Komatsu m achine i s designed to be used mainly fo r the following work: Smoothing Repai r and m aintenance of g ravel ro Snow-clearin g operations Ditch digging Cuttin g slope faces Excavating o peration Mixed operat Spreading op erations See the section "WORK WHIC H CAN BE CARRIED OU T USING A MOTOR GRADER (PAGE 3-129)" for fu rther In this m anual, the directions of the ma chine ( front, rear, left, right) are determined according to the view fro m the operator 's seat in the direction of travel (front) of the ma chine.

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