Komatsu WA800-1 Operation & Maintenance Manual page 20

INSTRUMENTS AND CONTROLS
6. WORKING LAMP SWITCH
/
/-
OFF
/
ON
When the front and rear working
lamps are turned ON, the pilot lamp
and illumination lamp for monitor
panel will also light up.
ON: Working lamps are ON.
A
When travelling on public
roads, turn the working lamps
OFF.
7. PREHEATER SWITCH
(APS (automatic priming
system) switch)
When using APS, engine intake
air is heated. Usually, the switch is
in the OFF position.
@ OFF position:
The pre-heat function is not
working.
@ AUTO position:
When engine water temperature
is below 13"C, APS starts.
After starting, maintain this posi-
tion until the lamp of the after-
heating monitor goes out.
* Before starting APS, put the
switch to ON and then put it to
this position.
@ ON oosition:
If the switch is moved again from
AUTO position and upward to
ON, APS operation will begin.
If the switch is released when at
the ON position, it will automati-
cally return to AUTO.
Method of using preheater
switch, refer to the section
"starting in cold weather".
When the engine settle down
after starting, put the preheater
switch in OFF position.
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