Komatsu PW160-7H Operation & Maintenance Manual page 166

OPERATIONS AND CHECKS BEFORE STARTING ENGINE
REMARK
If the above operation is not carried out, there may be a delay
in response when starting or stopping each actuator, so continue
the operation until it becomes normal.
9. Use working mode switch (1) on the monitor panel to switch
to the working mode to be used.
NOTICE
Cancelling automatic warming-up operation
If it becomes necessary in an emergency to lower the engine
speed to low idling, cancel the automatic warming-up opera-
tion as follows.
1. Turn fuel control dial to the full speed (MAX) position and hold
it for 3 seconds.
2. When fuel control dial is returned to the low idling (MIN) posi-
tion, the engine speed will drop.
166
MAX
MIN
PW160-7H VEAM390100
OPERATION