Komatsu PC138US-11 Operation & Maintenance Manual page 225

Hydraulic excavator
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OPERATION
METHOD FOR STARTING ENGINE IN COLD WEATHER
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 starting aid fluids, otherwise they may cause explosions.
Exhaust gas is toxic.
When starting the engine in confined spaces, be particularly careful to ensure good ventilation.
Keep the engine hood and covers closed unless you perform inspection.
NOTICE
Do not start the engine with the fuel control dial near
the maximum speed position.
If you do so, the engine parts may be damaged.
Do not keep the key in starting switch (2) at the START
position continuously for more than 20 seconds.
If the engine does not start, wait for approximately 2
minutes, and then try to start the engine again.
After the engine starts, wait for the engine oil pressure
caution lamp to go out. Do not touch the control levers
or control pedal while the engine oil pressure caution
lamp is lit.
When the ambient temperature is low, start the engine according to the following procedure.
1.
Check that lock lever (1) is at LOCK position (L).
When starting the engine, if lock lever (1) is in FREE (F)
position, the engine does not start.
WARNING
k
WENAM00111
MACHINE OPERATIONS AND CONTROLS
3-155

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