INTRODUCTION
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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
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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
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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.
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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:
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USE OF THE MACHINE BY MINORS OR INEXPERIENCED PERSONS.
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USE OF THE MACHINE FOR LIFTING PERSONS OR OBJECTS.
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TRANSPORT OF CONTAINERS WITH FLAMMABLE OR DANGEROUS FLUIDS.
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USE OF THE BUCKET FOR DRIVING OR EXTRACTING PILES.
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USE OF THE MACHINE FOR TOWING DAMAGED VEHICLES.
1.3.3 MAIN CHARACTERISTICS
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Simple and easy operation.
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Hydrostatic transmission obtained through two axial piston motors that operate epicyclic reduction gears.
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Rotation of the turret achieved by means of an axial piston hydraulic motor acting on an epicyclic reduction gear.
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Main equipment controlled through servo levers ensuring also combined movements that can be modulated
proportionally and continually.
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Boom swing and optional equipment operated through foot pedal controls.
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Travel and blade operated through levers.
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Travel speed selection push button (optional).
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Hydraulic track gauge adjustment (optional).
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Complete series of instruments visible from the operating position.
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Lever accelerator.
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Easy maintenance with simplified intervals.
