Komatsu PW118MR-11 Operation & Maintenance Manual page 250

Wheeled excavator
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MACHINE OPERATIONS AND CONTROLS
Display (A) when temperature is proper: Caution lamp
background (C) is blue.
Display (B) when temperature is low: Caution lamp
background (C) is white.
2.
Turn fuel control dial (2) to the middle between Low idle
(MIN) and High idle (MAX) to run the engine at a medium
speed.
Run the engine with no load until engine coolant temperature caution lamp (1) displays correct temperature.
Display (A) when temperature is proper: Caution lamp background (C) is blue.
Display (B) when temperature is low: Caution lamp background (C) is white.
If the engine coolant temperature caution lamp displays the correct temperature, the engine warm-up operation
is completed.
Perform the warm-up operation for the hydraulic component thoroughly.
METHOD FOR CANCELING AUTOMATIC WARM-UP OPERATION
When you are forced to urgently cancel the automatic warm-up operation or to lower the engine speed to low
idle, do as follows.
3-178
WENAM00130
OPERATION
RKA61710
RKA48652

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