Komatsu D155A-6 Operation & Maintenance Manual page 170

OPERATION OPERATION
3. Check that engine pre-heating pilot lamp (3) on the monitor
panel lights up.
4. Maintain the key in the on position until the pre-heating pilot
lamp (3) goes off.
5. When preheating pilot lamp (3) goes off, turn the key of ignition
switch (2) to the START position (C) to crank the engine.
The time that preheating pilot lamp (3) stays on changes
according to the ambient temperature as shown in the table
below.
Ambient temperature
-5 ° C to -10 ° C (23 ° F to 14 ° F)
-10 ° C to -20 ° C (14 ° F to -4 ° F)
-20 ° C to -30 ° C (-4 ° F to -22 ° F)
Pre-heat time
20 to 27 seconds
27 to 40 seconds
40 seconds
OPERATION OPERATION
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