Komatsu Utility Manual (EN)

1.1 FOREWORD

FOREWORD 1.1 FOREWORD q This manual has been produced by Komatsu Utility S.p.A. in order to supply their customers with all the neces- sary information on the machine and the safety regulations related to it, together with the use and maintenance instructions that enable the operator to exploit the capacity of the machine with optimal results and to keep the machine efficient over time. q The operation manual, together with the spare parts catalogue, is an integral part of the machine and must ac- company it, even when it is resold, until its final disposal.

q The manual must be handled with the greatest care and always kept on board the machine, so that it can be consulted at any moment; it must be placed in the appropriate compartment behind the seat, where also the ownership documents and the logbook are usually kept (see "3.5.9 TECHNICAL DOCUMENTATION"). q This manual must be given to the persons who have to use the machine and carry out the routine maintenance operations; they must read the contents carefully more than once, in such a way as to clearly understand what are the correct operating conditions and the dangerous conditions that must be avoided. In case of loss or damage, request a new copy to Komatsu or your Komatsu Dealer.

q The illustrations contained in this manual may represent machine configurations available on request. The machines are constantly upgraded in order to increase their efficiency and reliability; this manual sums up all the information regarding the state of the art at the moment when the machine is launched on the market. Contact your Komatsu Dealer for updated information. q Punctual periodic annotations regarding the maintenance operations that have been carried out are important to have a clear prospect of the situation and to know exactly what has been done and what has to be done after the next maintenance interval.

Therefore, it is advisable to consult both the hour meter and the maintenance plan frequently. q Komatsu Dealers have gathered a considerable amount of experience over years of work in close contact with the users. If more information is needed, do not hesitate to contact your Komatsu Dealer: he always knows how to get the best performance from the machine, he can recommend the equipment that is most suitable for specific needs and can provide the technical assistance necessary for any change that may be required to conform the ma- chine to the safety standards and traffic rules.

Komatsu Dealers also provide assistance for the supply of original Komatsu spare parts, which alone guarantee safety and interchangeability. q The table included in this manual must be filled in with the machine data, which are the data that must always be indicated to the Dealer when requiring assistance and ordering spare parts. q The incorrect use of the machine and inappropriate maintenance operations may cause serious injury and even death.

q Operators and maintenance personnel must carefully read this manual before using the machine or per­ q Some actions involved in the operation and maintenance of the machine may cause serious injury or even death, if they are not performed in compliance with the instructions given herein. forming maintenance operations. q The procedures and precautions described in this manual are valid for application to the machine only when it is used correctly. If the machine is used for any purpose or in any way other than those described herein, the operator shall be responsible for his own safety and for the safety of any other person involved. 1 CAUTION

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1.2 INFORMATION ON SAFETY

INFORMATION ON SAFETY 1.2 INFORMATION ON SAFETY Many accidents are caused by insufficient knowledge of and failure to comply with the safety regulations pre- scribed for the maintenance operations that must be performed on the machine. In order to avoid accidents, before starting work and before carrying out any maintenance operation, carefully read and be sure to understand all the information and warnings contained in this manual and given on the plates ap- plied onto the machine.

To allow the operator to use the machine in total safety, precautions and safety plates are described in this manual and applied to the machine in order to supply information regarding situations that involve potential risks and the measures that may be adopted to avoid such situations. Terminology used in the signs The following terms are used in the signs to inform the user that there is a situation of potential danger that may cause injury or damage. In this manual and in the plates applied to the machine the following terms are used to indicate potential dangers. q Indicates a situation of imminent danger that, if not avoided, may cause serious injury and even death.

The use of this term must be limited to situations of extreme danger. q Indicates a situation of potential danger that, if not avoided, may cause serious injury and even death. q Indicates a situation of potential danger that, if not avoided, may cause moderate injury. This term can also be used as a warning in case of dangerous procedures. Other terms used in the signs In addition to those indicated above, the following warning terms are used to recommend the precautions to be taken to protect the machine or to supply useful information. IMPORTANT q This term is used to indicate precautions that must be taken in order to avoid actions that may reduce the life of the machine.

NOTE q This word is used to indicate a useful piece of information. Komatsu cannot reasonably predict every circumstance that might involve a potential hazard during the operation or maintenance of the machine; for this reason, the safety messages included in this manual and applied onto the machine may not include all possible safety precautions. If all the procedures and operations prescribed for this machine are kept to, you can be sure that the operator and the persons in the vicinity will work in total safety, with no risk of damaging the machine. In case of doubt regarding the safety measures necessary for some procedures, contact Komatsu or your local Dealer. 2 DANGER WARNING CAUTION

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1.2 INFORMATION ON SAFETY

INFORMATION ON SAFETY q Before starting any maintenance operation, position the machine on firm and level ground, engage the safety locks of the equipment and of the controls, stop the engine and apply the parking brake. q To make the information clearer, some illustrations in this manual represent the machine without safety guards. Do not use the machine without guards and do not start the engine when the hood is open, un- less this is expressly prescribed for certain maintenance operations.

q It is strictly forbidden to modify the setting of the hydraulic system safety valves; Komatsu cannot be held liable for any personal injury, or damage to property or the machine, if this has been tampered with by modifying the standard setting of the hydraulic system. q Before carrying out any electric welding operation, disconnect the battery and the alternator. (See "2.8.13 PRECAUTIONS TO BE TAKEN WHEN HANDLING THE BATTERY AND THE ALTERNATOR"). q Install only authorized additional equipment (See "6.1 AUTHORIZED OPTIONAL EQUIPMENT").

q The machine can travel on roads only if equipped with suitable lighting, signalling and safety devices and if this type of use is authorized by the logbook. Before travelling on roads, make sure that the equipment with which the machine is provided is homolo- gated and that the safety locks are correctly engaged. q It is absolutely forbidden to manoeuvre the machine while standing on the ground. Each operation must be carried out by the operator correctly seated in the driving position. 3 DANGER DANGER WARNING WARNING WARNING WARNING DANGER

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1.3.2 IMPROPER OR UNAUTHORIZED USE

INTRODUCTION 1.3 INTRODUCTION 1.3.1 INTENDED USES The Komatsu BACKHOE LOADERS described in this manual have been designed and constructed to be used mainly with the following functions: q LOADER q EXCAVATOR Through the installation of optional equipment, the machine can also be used for the following applications:

q HANDLING OF MATERIALS (4IN1 BUCKET - PALLET FORKS) q SNOWPLOUGH (ANGLEDOZER BLADE - SNOWPLOUGH) q DEMOLITION (HAND HAMMER - HAMMER ON THE BACKHOE) q DITCH CLEANING AND DIGGING (SPECIAL BUCKETS) 1.3.2 IMPROPER OR UNAUTHORIZED USE q This paragraph describes some improper or unauthorized uses of the machine; since it is impossible to predict all possible improper uses, if the machine is going to be used for particular applications, contact your Komatsu Dealer before carrying out the work.

IMPORTANT q The instructions regarding the authorized optional equipment are given in the relevant operation and maintenance manuals; if the equipment is supplied by Komatsu, these publications are enclosed to this manual. q The instructions regarding the assembly of the authorized equipment, the controls requiring special ar- rangements on the machine and the hydraulic couplings necessary for the operation of the equipment are grouped in the final section of this manual. Komatsu BACKHOE LOADERS are constructed exclusively for the handling, excavation and treatment of inert materials; therefore, the following uses are absolutely forbidden:

q USE OF THE MACHINE BY MINORS OR INEXPERIENCED PERSONS. q USE OF THE MACHINE FOR LIFTING PERSONS OR OBJECTS. q TRANSPORTATION OF PERSONS even if they are in the operator’s cab. q TRANSPORTATION OF CONTAINERS with fluids, flammable fluids, loose material, without the appropriate slinging equipment. q TRANSPORTATION AND LIFTING (EVEN IF IN EXCEPTIONAL CASES) OF EQUIPMENT OR MATERIALS THAT PROTRUDE FROM THE BUCKET OR ARE NOT SECURED TO THE BUCKET BY MEANS OF ROPES OR CHAINS. q USE OF THE BUCKET FOR DRIVING OR EXTRACTING PILES. q USE OF THE MACHINE FOR TOWING DAMAGED VEHICLES ON ROADS. q USE OF THE MACHINE FOR LIFTING DAMAGED VEHICLES. 4 CAUTION

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