Komatsu Galeo PC800-8 Shop Manual page 270

SEN00386-03
3) Turbo protection function
Function to protect turbocharger bearing during
cold weather by keeping engine speed below
fixed speed when engine is started.
Actuation condition
Engine coolant
temperature
More than +10°C
+10°C to –10°C
Less than –10°C
Engine speed: 1000 rpm
Even if the fuel control dial is operated during
the above time, the engine speed will not
change. After the set time passes, the operation
moves to the automatic warming up function in
Step 1).
28
Turbo protect time
(sec)
0
Gradually changes
between 0 and 5
5
10 Structure, function and maintenance standard
PC800, 850-8