Komatsu SK820-5 turbo, Operation & Maintenance Manual

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INTRODUCTION
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1.3 INTRODUCTION
1.3.1 INTENDED USES
The Komatsu MACHINES described in this manual have been designed and constructed to be used by duly trai-
ned personnel mainly for EXCAVATION and EARTH-MOVING OPERATIONS.
If provided with suitable safety devices, they can be used with authorized optional equipment having the characte-
ristics illustrated at point "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 impos-
sible to predict all the possible improper uses, if the machine happens to be used for particular applica-
tions, 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 attached to this
manual.
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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 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 a double variable displacement pump and axial piston motors opera-
ting epicyclic reduction gears.
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Four driving wheels always engaged through oil-immersed roller chains.
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Main equipment and travel control through servo levers ensuring also combined movements that can be modu-
lated proportionally and continually.
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Foot control for the optional equipment (if installed).
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Foot accelerator.
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Lever accelerator.
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Parking brake control.
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Complete series of instruments visible from the operating position.
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Easy maintenance with simplified intervals.
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Road travel (on request).