Komatsu GD555-5 Operation & Maintenance Manual page 155

OPERATION
STARTING IN COLD WEATHER
Start the engine only after sitting down in the operator's seat.
Do not attempt to start the engine by short-circuiting the engine starting
circuit. Such an act may cause a serious bodily injury or fire.
Check that there are no persons or obstacles in the surrounding area,
then sound the horn and start the engine.
Never use starting aid fluids as they may cause explosions.
Exhaust gas is toxic. When starting the engine in confined spaces, be
particularly careful to ensure good ventilation.
NOTICE
Do not keep the starting motor rotating continuously for more than 20
seconds.
If the engine will not start, wait for at least 2 minutes before trying to start
the engine again.
Do not set the accelerator pedal to the high idle position when starting the
engine.
1. Turn the key in starting switch (1) to the ON position.
Preheating will automatically start and preheating pilot lamp (2)
will light up.
The time that the engine preheating pilot lamp stays lighted up depends on the ambient temperature as shown in
the table below.
Ambient temperature
Above -4 ° C
-4 ° C to -15 ° C
Below -15 ° C
2. When the pre-heating is completed, the engine pre-heating pilot lamp will go out.
3. For manual preheat, see the items in "STARTING SWITCH (PAGE 3-36)".
3 - 102
WARNING
Lighting time
0 seconds
5 seconds to 30
seconds
30 seconds
OPERATION