Komatsu D51EX-24, Operation & Maintenance Manual

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2.
Turn the key in starting switch (2) to START position (C).
The engine starts.
3.
When the engine starts, release the starting switch key (2).
The key will return automatically to ON position (B).
REMARK
• White smoke may be discharged for a short time immediately after the engine is started or during the after-
treatment devices regeneration in cold season, but this is not a failure.
• The smell of the exhaust gas is different from that of the conventional diesel engine because of the exhaust
gas filtering function.
METHOD FOR STARTING ENGINE IN COLD WEATHER
k k
WARNING
• Start the engine only while sitting on the operator's seat.
• Do not attempt to start the engine by short-circuiting the engine starting circuit. This may cause
fire, serious personal injury or death.
• Check that there is no person or obstacle in the area around the machine, then sound the horn and
start the engine.
• Never use the starting aid fluids to start the engine as they may cause explosions.
• Exhaust gas is toxic. When starting the engine in confined spaces, be particularly careful to ensure
good ventilation.
• Do not approach the exhaust pipe outlet of the engine while the engine is running or just after it is
stopped.
Also, keep the combustible materials away from the exhaust pipe outlet.
MACHINE OPERATIONS AND CONTROLS OPERATION
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