KOMATSU PC14R-2 Operation & Maintenance Manual

                                     

FOREWORD 1 1.1 FOREWORD q This manual has been compiled by Komatsu Utility S.p.A. in order to supply customers with all the necessary information on the machine and on safety regulations, as well as 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 accompany 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 inside the seat support, where the registration documents and the logbook are usually kept. q This manual must be given to the staff 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. Komatsu machines are constantly improved in order to increase their efficiency and reliability; this manual sums up all the information regarding the most recent technology applied at the moment in which the machine is launched. For any further and/or updated information, contact your Komatsu Dealer. q Punctual periodic annotations regarding the maintenance operations that have been carried out are important, since they provide a clear report on the situation and say 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 Over the years Komatsu Dealers have gathered considerable experience in customer service. 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 machine to the safety standards and traffic rules. Furthermore, Komatsu Dealers also offer assistance for the supply of Komatsu genuine spare parts, which guarantee safety and interchangeability. q The table included in this manual must be filled in with the machine data, which are also the data that must be communicated to the Dealer when requiring assistance and ordering spare parts. CAUTION 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 performing maintenance operations. q Any serious accident that may occur during the use of the machine or during maintenance operations is due to failure to comply with the instructions given herein. q The application of the procedures and precautions described in this manual will ensure safety only provided that the machine 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.

INFORMATION ON SAFETY 2 1.2 INFORMATION ON SAFETY Many accidents are caused by insufficient knowledge of and failure to comply with the safety regulations prescribed 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 applied onto the machine. To enable the operator to use this machine safely, safety precautions are explained in this manual and labels and warning plates are affixed to the machine to highlight situations involving potential hazards and suggest how to avoid them. Terminology used in the signs The following words are used in the signs to inform the user that there is a potential hazard that may lead to personal injury or damage to property. In this manual, on the labels and on the plates, the following words are used to express the potential level of the hazard. DANGER 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. WARNING q Indicates a situation of potential danger that, if not avoided, may cause serious injury and even death. CAUTION q Indicates a situation of potential danger that, if not avoided, may cause moderate injury. This term can also be used as a warning against dangerous interventions. 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 shorten 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 warnings included in this manual and applied onto the machine may not include all possible safety precautions. If all the instructions given in relation to this machine are kept to, the operators and anyone in the vicinity can work in total safety, and do not run the risk of damaging the machine. In case of doubt regarding the safety measures necessary for some procedures, contact Komatsu or your local Komatsu Dealer.

INFORMATION ON SAFETY 3 DANGER q Before starting any maintenance operation, position the machine on a firm and level surface, lower the equipment to the ground, engage the safety locks of the equipment and the controls, and stop the engine. DANGER 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, unless this is expressly prescribed for certain maintenance operations. WARNING q It is strictly forbidden to modify the setting of the hydraulic system safety valves; Komatsu cannot be held liable for any damage to persons, property or the machine, if this has been tampered with by modifying the standard settings of the hydraulic system. WARNING q Before carrying out any electric welding, disconnect the battery and the alternator. (See "2.8.13 PRECAUTIONS TO BE TAKEN WHEN HANDLING THE BATTERY AND THE ALTERNATOR"). WARNING q Install only authorized optional equipment (see "6.1 AUTHORIZED OPTIONAL EQUIPMENT". DANGER q It is absolutely forbidden to operate the machine while standing on the ground. Every single manoeuvre must be carried out by the operator, correctly seated in driving position.

INTRODUCTION 4 1.3 INTRODUCTION 1.3.1 INTENDED USE OF THE MACHINE The Komatsu machines described in this manual have been designed and constructed to be used mainly for EXCAVATION and EARTH-MOVING OPERATIONS. If provided with suitable safety devices, they can be used with authorized optional equipment having the characteristics illustrated in paragraph "6.1 AUTHORIZED OPTIONAL EQUIPMENT". 1.3.2 IMPROPER OR UNAUTHORIZED USES CAUTION q This paragraph describes some of the improper or unauthorized uses of the machine; since it is impossible to predict all the possible improper uses, if it is necessary to use the machine 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 arrangements on the machine and the hydraulic couplings necessary for the operation of such equipment are grouped in the final section of this manual. Komatsu machines 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 TRANSPORT OF CONTAINERS WITH FLAMMABLE OR DANGEROUS FLUIDS. q USE OF THE BUCKET FOR DRIVING OR EXTRACTING PILES. q USE OF THE MACHINE FOR TOWING DAMAGED VEHICLES. 1.3.3 MAIN CHARACTERISTICS q Simple and easy operation. q Hydrostatic transmission obtained through two axial piston motors that operate epicyclic reduction gears. q Rotation of the turret achieved by means of an axial piston hydraulic motor acting on an epicyclic reduction gear. q Main equipment controlled through servo levers ensuring also combined movements that can be modulated proportionally and continually. q Boom swing and optional equipment operated through foot pedal controls. q Travel and blade operated through levers. q Travel speed selection push button (optional). q Hydraulic track gauge adjustment (optional). q Complete series of instruments visible from the operating position. q Lever accelerator. q Easy maintenance with simplified intervals.

INTRODUCTION 5 1.3.4 RUNNING-IN Every machine is scrupulously adjusted and tested before delivery. A new machine, however, must be used carefully for the first 100 hours, in order to ensure proper running-in of the various components. If the machine is subjected to excessive work load at the beginning of operation, its potential productivity and its functionality will be shortly and untimely reduced. Every new machine must be used carefully, paying special attention to the following instructions: q After the start, let the engine idle for 5 minutes, in such a way as to warm it up gradually before actual operation. q Avoid operating the machine with the limit loads allowed or at high speed. q Avoid abrupt starts or accelerations, useless sudden decelerations and abrupt reversals. SYNTHETIC BIODEGRADABLE OIL TYPE HEES For machines in which synthetic biodegradable oil type HEES is used, perform the following operations in addition to the standard maintenance operations: q After the first 50 hours of operation, change the hydraulic circuit drain filter. q After the first 500 hours of operation, change the hydraulic circuit oil. IMPORTANT q When changing the oil filters (cartridges), check their inner part to make sure that there are no deposits. If considerable deposits are observed, find out what may have caused them before starting the machine. q The number of operating hours is indicated by the hour meter. 1.3.5 POSITIONS AND DIRECTIONS OF THE MACHINE In this manual, the terms front/forward, rear/backward, left, and right refer to the travel direction as seen from the operator seat when it is facing the front and the sprocket is at the rear of the machine. Front Operator's seat Sprocket Left Right Rear RYA00050

PRODUCT IDENTIFICATION 6 1.4 PRODUCT IDENTIFICATION The Komatsu excavator and its main components are identified by serial numbers stamped on the identification plates. The serial number and the identification numbers of the components are the only numbers that must be communicated to the Dealer when requiring assistance and ordering spare parts. 1.4.1 MACHINE SERIAL NUMBER The machine serial number is stamped on the front upper part of the main frame, on the left side. 1.4.2 MACHINE IDENTIFICATION PLATE AND PRODUCT IDENTIFICATION NUMBER (PIN) The Komatsu excavators described in this manual are CE marked, in fact they are in compliance with the EU harmonised standards. The plate with the CE marking is applied to the front wall of the main frame, on the right side.   RWA39210 MODEL SERIAL No. MANUFACT.YEAR MASS ENGINE POWER kg kw Product Identification Number MANUFACTURER 22L-09-R1370 MODEL SERIAL No. MANUFACT.YEAR MASS ENGINE POWER kg kw Product Identification Number MANUFACTURER KOMATSU UTILITY EUROPE S.p.A 36025 NOVENTA VICENTINA (VI) - I UNDER LICENSE OF KOMATSU LTD., TOKYO, JAPAN KOMATSU UTILITY EUROPE S.p.A 36025 NOVENTA VICENTINA (VI) - I UNDER LICENSE OF KOMATSU LTD., TOKYO, JAPAN

PRODUCT IDENTIFICATION 7 1.4.3 ENGINE SERIAL NUMBER AND EXHAUST GAS EMISSION PLATE The engine serial number is stamped on the plate positioned on the engine itself. The exhaust gas emission plate is applied to the counterweight. 1.4.4 TRAVEL REDUCTION GEAR SERIAL NUMBER The serial number is stamped on the plate positioned inside the travel reduction gear and can be seen after removing the cover (1). RKA16540 RKA16550  

PRODUCT IDENTIFICATION 8 1.4.5 SWING REDUCTION GEAR SERIAL NUMBER The serial number is stamped on the plate positioned on the upper side of the swing motor. 

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KOMATSU PC14R-2 Operation & Maintenance Manual

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