Komatsu D475A-5E0 Operation & Maintenance Manual page 171

OPERATION
STARTING ENGINE ON MACHINES WITH PRELUBE SYSTEM
Always sit in the operator's seat when starting the engine.
Do not short circuit the starting motor circuit to start the engine. There is danger that this may cause serious personal injury
or fire.
Check that there is no person or obstacle in the surrounding area, then sound the horn before starting the engine.
Never use any starting aid fluid to start the engine. There is danger that it may cause an explosion.
Exhaust gas is poisonous. Always ensure that there is good ventilation before starting the engine in an enclosed place.
NOTICE
Do not crank the starting motor continuously for more than 20 seconds.
If the engine does not start, wait for 2 minutes, then repeat procedure
from step 2.
Before starting the engine, check that the fuel control dial is at Low idle
(MIN) position.
If the fuel control dial is at High idle (MAX) position, the engine will
accelerate suddenly and cause damage to the engine parts, so set it to
an intermediate or low speed position.
1. Set fuel control dial (1) to Low idle (MIN) position.
If the dial is at High idle (MAX) position, always change it to
Low idle (MIN) position.
2. Insert the key into starting switch (2) and turn the key to ON
position (B).
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WARNING
OPERATION