Komatsu PC2000-8 BACKHOE, Operation & Maintenance Manual

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MACHINE OPERATIONS AND CONTROLS
OPERATION
3-194
(A) Display when temperature is correct: Monitor background
(C) is blue
(B) Display when temperature is low: Monitor background (C)
is white
If the engine coolant temperature monitor displays the correct temperature, the engine warm-up operation is com-
pleted.
After checking that the engine coolant temperature monitor displays the correct temperature, carry out the warm-
up operation for the hydraulic equipment.
NOTICE
Canceling automatic warm-up operation
If it becomes necessary in an emergency to cancel the automatic warm-up operation or to lower the
engine speed to low idle, do as follows.
1) Turn fuel control dial (2) to the full speed (MAX) position
and hold it for 3 seconds.
2) When fuel control dial (2) is returned to the low idle (MIN)
position, the engine speed will drop.