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OPERATION
OPERATION
OPERATIONS, CHECKS AFTER STARTING ENGINE
BREAKING-IN THE MACHINE
CAUTION
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 break-in operations, follow the precautions described in this manual.
Idle the engine for 5 minutes after starting it up.
Avoid operation with heavy loads or at high speeds.
Immediately after starting the engine, avoid sudden starts, sudden acceleration, unnecessary sudden stops, and
sudden changes in direction.
WARMING-UP OPERATION
NOTICE
Do not accelerate the engine suddenly until the warming-up operation has been completed.
Do not run the engine at low idle or high idle continuously for more than 20 minutes.
If it is necessary to continue to run the engine at idle, apply a load from time to time or run the engine at a mid-range speed.
After starting the engine, do not immediately start operations. First, perform the following operations and checks.
1.
After starting the engine, run the engine at idle for 5 minutes for warming up operation.
2. After the warming-up operation, check that the machine monitor is normal.
If there is any problem, carry out maintenance or repair.
Run the engine under a light load until the engine water temperature gauge and air pressure gauge enter the
green range.
When the AISS switch is at the AUTO position and the engine water temperature is still low, high idling revolution
is automatically maintained (for optional electronic governor specification).
3. Check if there is no abnormality in the steering operation, flashing of lights, sound of horn, exhaust gas color,
noise, or vibration. If any abnormality is found, repair it.
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