Komatsu PC130-6K 2001 Operation & Maintenance Manual page 83

3. DEFROSTER CHANGE-OVER LEVER
This lever is used to eliminate condensation produced in winter or
the rainy season etc.
Change-over lever forward: defroster
Change-over lever backward: to operator's feet
Defroster is available when using the air outlet change-over lever in
or
11.10.2 PREPARING CAR HEATER
If the ambient temperature drops, use the cab heater.
When using the cab heater, turn valve
counterclockwise to open it.
When leaving the cab heater unused for a long time, turn valve
clockwise to close it.
REMARK
On machines equipped with the air conditioner system always open
valve .
11. EXPLANATION OF COMPONENTS
on the water pump
2-31