Komatsu WA20-2, Operation & Maintenance Manual

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3. INTRODUCTION
3.1 INTENDED USE
This machine is intended mainly for the following operations.
‡ Digging operations
‡ Leveling operations
‡ Pushing operations
‡ Loading operations
For details of the operating procedure, see “12.9 WORK POSSIBLE USING WHEEL LOADER”.
3.2 FEATURES
‡ Easy operation by HST mechanism
‡ High performance
‡ Each kind of safety devices is installed.
3.3 BREAKING IN THE MACHINE
Your Komatsu machine has been thoroughly adjusted and tested before shipment.
However, operating the machine under severe conditions at the beginning can adversely affect the
performance and shorten the machine life.
Be sure to break in the machine for the initial 100 hours (as indicated by the service meter.)
During breaking in:
‡
Idle the engine for 5 minutes after starting it up.
‡ Avoid operation with heavy loads or at high speeds.
‡ Avoid sudden starts, sudden acceleration, sudden steering and sudden stops except in cases of
emergency.
The precautions given in this manual for operating, maintenance, and safety procedures are only
those that apply when this product is used for the specified purpose. If the machine is used for a purpose
that is not listed in this manual, Komatsu cannot bear any responsibility for safety. All consideration of
safety in such operations is the responsibility of the user.
Operations that are prohibited in this manual must never be carried out under any circumstances.