Komatsu WA800-1 Operation & Maintenance Manual page 67

COLD WEATHER OPERATION
If starting, return key of starting
switch (I ) to ON position.
(When releasing the key, it will
automatically return to ON.)
OFF
If the engine does not start
through the steps specified
above, turn key of the starting
switch to OFF position
and
repeat Steps 2 to 8 at an interval
of approx. 2 minutes.
After starting the engine, when
the after-heating monitor lamp
goes out, turn preheating switch
(4) to the OFF position.
* After starting the engine, when
the water temperature reaches
about 20°C. the after-heating is
automatically cancelled and the
after-heating monitor lamp goes
out. The time taken for the after-
heating lamp to go out depends
on the ambient temperature.
Ambient
Time taken after starting
temperature
engine until after-heating
monitor goes out
* If a work operation starts with
forgetting to turn preheater
switch to OFF position, the ex-
haust color will become bad, the
horsepower will drop, and the life
of the glow plug will be short-
ened, therefore, always be sure
to put preheater switch in OFF
position.
* Do not run engine rpm higher
than middle speed rpm.
* The standard specification ma-
chine is designed to work in am-
bient temperature from -20°C
to 4o"c.
- 66 -
W-02890 -A