KOMATSU PC200-7, PC200LC-7, PC220-7, PC220LC-7 Hydraulic Excavator Operation & Maintenance Manual

1-1 FOREWORD 11

FOREWORD FOREWORD 1-2 FOREWORD This manual provides rules and guidelines which will help you use this machine safely and effectively. The precautions in this manual must be followed at all times when performing operation and maintenance. Most accidents are caused by the failure to follow fundamental safety rules for the operation and maintenance of machines. Accidents can be prevented by knowing beforehand conditions that may cause hazard when performing operation and maintenance. WARNING Operators and maintenance personnel must always do as follows before beginning operation or maintenance. ● Always be sure to read and understand this manual thoroughly before performing operation and maintenance. ● Read the safety messages given in this manual and the safety labels affixed to the machine thoroughly and be sure that you understand them fully. Keep this manual at the storage location for the Operation and Maintenance Manual given below, and have all personnel read it periodically. If this manual has been lost or has become dirty and cannot be read, request a replacement manual immediately from Komatsu or your Komatsu distributor. If you sell the machine, be sure to give this manual to the new owners together with the machine. 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 or purchased from someone in another country, it may lack certain safety devices and speciffications 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 operat- ing the machine. Storage location for the Operation and Maintenance Manual: magazine box on the left side of the operator's seat.

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FOREWORD SAFETY INFORMATION 1-5 SAFETY INFORMATION To enable you to use this machine safely, safety precautions and labels are given in this manual and affixed to the machine to give explanations of situations involving potential hazards and of the methods of avoiding such situations. Signal words The following signal words are used to inform you that there is a potential hazardous situation that may lead to personal injury or damage. In this manual and on machine labels, the following signal words are used to express the potential level of hazard. Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury. This signal word is to be limited to most extreme situations. Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. Indicates a potentially hazardous situation which, if not avoided, may result in minor or mod- erate injury. It may also be used to alert against unsafe practices. Example of safety message using signal word WARNING To avoid hitting unlocked operation levers, lower equipment to ground and move SAFETY LOCK LEVER (located near seat) to LOCK position before starting up from operator's seat. Sudden and unwanted machine movement can cause serious injury or death. Other signal words In addition to the above, the following signal words are used to indicate precautions that should be followed to pro- tect the machine or to give information that is useful to know. This word is used for precautions that must be taken to avoid actions which could shorten the life of the machine. This gives information that is useful to know. DANGER WARNING CAUTION NOTICE REMARK

SAFETY INFORMATION FOREWORD 1-6 Safety labels Safety labels are affixed to the machine to inform the operator or maintenance worker on the spot when carrying out operation or maintenance of the machine that may involve hazard. This machine uses "Safety labels using words" and "Safety labels using pictograms" to indicate safety procedures. Example of safety label using words Safety labels using pictogram Safety pictograms use a picture to express a level of hazardous condition equivalent to the signal word. These safety pictograms use pictures in order to let the operator or maintenance worker understand the level and type of hazardous condition at all times. Safety pictograms show the type of hazardous condition at the top or left side, and the method of avoiding the hazardous condition at the bottom or right side. In addition, the type of hazardous condition is displayed inside a triangle and the method of avoiding the hazardous condition is shown inside a circle. Komatsu cannot predict every circumstance that might involve a potential hazard in operation and maintenance. Therefore, the safety messages in this manual and on the machine may not include all possible safety precautions. If any procedures or actions not specifically recommended or allowed in this manual are used, it is your responsibility to take the necessary steps to ensure safety. In no event should you engage in prohibited uses or actions described in this manual. The explanations, values, and illustrations in this manual were prepared based on the latest information available at that time. 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. The numbers in circles in the illustrations correspond to the numbers in ( ) in the text. (For example: → (1)) Part No. Part No.

FOREWORD INTRODUCTION 1-7 INTRODUCTION This Komatsu HYDRAULIC EXCAVATOR is designed to be used mainly for the following works: ● Digging work ● Leveling work ● Ditching work ● Loading work ● Demolition work See the section "RECOMMENDED APPLICATIONS (PAGE 3-111)" for further details. DIRECTIONS OF MACHINE In this manual, the terms front, rear, left, and right refer to the travel direction as seen from the operator's cab when the operator's cab is facing the front and the sprocket is at the rear of the machine.

PRODUCT INFORMATION FOREWORD 1-8 PRODUCT INFORMATION When requesting service or ordering replacement parts, please inform your Komatsu distributor of the following items. MACHINE SERIAL NUMBER PLATE AND ITS LOCATION On the bottom right of the operator's cab ENGINE SERIAL NUMBER PLATE AND ITS LOCATION On the top of the No.1 cylinder head cover (The EPA auxiliary nameplate is on the top of the No. 5 cylinder head cover.) EPA: Environmental Protection Agency, U.S.A.

FOREWORD PRODUCT INFORMATION 1-9 SERVICE METER LOCATION On top of the machine monitor YOUR MACHINE SERIAL NUMBERS AND DISTRIBUTOR Machine serial No. Engine serial No. Distributor name Address Service Personal Phone/Fax

CONTENTS FOREWORD 1-10 CONTENTS FOREWORD FOREWORD ......................................................................................................................................................... 1-2 SAFETY INFORMATION...................................................................................................................................... 1-5 INTRODUCTION................................................................................................................................................... 1-7 DIRECTIONS OF MACHINE ...................................................................................................................... 1-7 PRODUCT INFORMATION .................................................................................................................................. 1-8 MACHINE SERIAL NUMBER PLATE AND ITS LOCATION ...................................................................... 1-8 ENGINE SERIAL NUMBER PLATE AND ITS LOCATION ......................................................................... 1-8 SERVICE METER LOCATION ................................................................................................................... 1-9 YOUR MACHINE SERIAL NUMBERS AND DISTRIBUTOR ..................................................................... 1-9 CONTENTS ........................................................................................................................................................ 1-10 SAFETY SAFETY INFORMATION...................................................................................................................................... 2-2 POSITION FOR ATTACHING SAFETY LABELS................................................................................................ 2-4 POSITION FOR ATTACHING SAFETY LABELS ....................................................................................... 2-4 SAFETY LABELS ....................................................................................................................................... 2-5 SAFETY INFORMATION.................................................................................................................................... 2-10 SAFETY MACHINE OPERATION ...................................................................................................................... 2-19 STARTING ENGINE ................................................................................................................................. 2-19 OPERATION ............................................................................................................................................. 2-21 TRANSPORTATION ................................................................................................................................. 2-27 BATTERY ................................................................................................................................................. 2-28 TOWING ................................................................................................................................................... 2-30 LIFTING OBJECTS WITH BUCKET ......................................................................................................... 2-31 SAFETY MAINTENANCE INFORMATION ........................................................................................................ 2-32 OPERATION GENERAL VIEW .................................................................................................................................................. 3-2 GENERAL VIEW OF MACHINE ................................................................................................................. 3-2 GENERAL VIEW CONTROLS AND GAUGES........................................................................................... 3-3 EXPLANATION OF COMPONENTS.................................................................................................................... 3-4 MACHINE MONITOR ................................................................................................................................. 3-4

KOMATSU PC200-7, PC200LC-7, PC220-7, PC220LC-7 Hydraulic Excavator Operation & Maintenance Manual

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