Komatsu PC118MR-8, Operation And Maintenance Manual

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FOREWORD
INTRODUCTION
1-11
IMPROPER OR UNAUTHORIZED USES 1
CAUTION
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 distributor before carrying out the work.
NOTICE
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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 the lifting of people
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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.
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Use of the machine in tunnels/underground in explosive environments.
MAIN CHARACTERISTICS 1
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Simple and easy operation.
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Hydrostatic transmission obtained through two variable displacement motors that operate epicyclic reduction
gears equipped with negative hydraulic brakes.
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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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Ball-bearing ring teeth and pinion lubricated in grease bath.
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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 travel controls with servo pedals ensuring movements that can be modulated proportionally
and continuously.
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Travel speed increase function controlled with a button.
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Servo-assisted controls for blade
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Complete series of instruments visible from the operating position.
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Hand accelerator.
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Easy maintenance with simplified intervals.
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