Komatsu Galeo BR380JG-1E0 Shop Manual page 216

SEN01355-00
Automatic engine warm-up and overheat prevention function
Function
The automatic
q
increases the engine speed to warm up the
engine if coolant temperature is too low after
the engine starts.
The overheat prevention function reduces the
q
pump load when coolant or hydraulic oil tem-
perature is too high during operation to protect
the engine from overheating.
22
engine warm-up function
10 Structure, function and maintenance standard
BR380JG-1E0