Komatsu HB215LC-3, Operation & Maintenance Manual, Page: 245 / 492

METHOD FOR CANCELING AUTOMATIC WARM-UP OPERATION
If it becomes necessary in an emergency to cancel the auto-
matic warm-up operation or to lower the engine speed to low
idle, do as follows.
1.
Turn fuel control dial (2) to High idle (MAX) position and
hold it for 3 seconds or more.
2.
Turn fuel control dial (2) to Low idle (MIN) position.
The engine automatic warm-up is canceled, and the en-
gine speed is lowered.
REMARK
Turbo protect function takes priority over the engine automatic warm-up.
When the turbo protect function activates, run the engine at low idle even the engine coolant temperature is
30 °C or less. Then the engine automatic warm-up starts automatically to increase the engine speed.
OPERATION MACHINE OPERATIONS AND CONTROLS
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