USE OF THE MACHINE AND RELATED CONTROLS
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3.3.3 AFTER STARTING THE ENGINE
WARNING
q Emergency stop
If a failure has occurred or an anomaly has been observed, turn the ignition key to position OFF.
q If the work equipment is operated without warming up the engine sufficiently, the response of the work
equipment to the movements of the control lever will be slow, and the work equipment may not move as
desired by the operator, so always carry out the warming up procedure. Particularly in cold areas, be
sure to carry out the warming up procedure correctly.
3.3.3.1 RUNNING IN A NEW MACHINE
CAUTION
q Komatsu machines are adjusted and tested completely before shipment. However, operating the
machine under severe conditions at the beginning can adversely affect the performance of the machine
and shorten its life.
It is advisable to run in the machine for the first 100 hours of operation (as indicated by the hour meter).
During the running-in period, follow the precautions indicated in this manual.
q After starting the engine, let it idle for 5 minutes.
q Avoid using the machine with excessive loads and avoid high speeds.
q Immediately after starting the engine, avoid sudden starts, sudden accelerations, unnecessary sudden stops,
and sudden changes in direction.
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