Komatsu PC1250-11, Original Instructions Manual

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7.
If the maintenance time has passed for certain items, the
maintenance time caution lamp (15) is lit in red for 30 sec-
onds. Press the switch F6 to check the item, and perform
the maintenance immediately.
For the method of checking the maintenance time, see
"EXPLANATION OF COMPONENTS", “MAINTENANCE
SCREEN SETTING”.
METHOD FOR STARTING ENGINE
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.
Doing so may cause a serious personal injury or death or fire.
• 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 as they may cause explosions.
• Exhaust gas is toxic.
When starting the engine in confined spaces, be particularly careful to ensure good ventilation.
NOTICE
• Check that the fuel control dial (2) is at Low idle (MIN)
position before starting the engine. The engine will ac-
celerate suddenly and cause damage to the engine
parts if the fuel control dial is at High idle (MAX) posi-
tion.
• Do not keep the starting switch key (3) at START posi-
tion continuously for more than 20 seconds.
If the engine does not start, wait for at least 2 minutes,
then start again from the beginning.
• 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.
This machine is equipped with an engine automatic preheating function (engine automatic preheating system)
that starts the engine preheating automatically.
When the ambient temperature is low, the preheating caution lamp lights up when the key in starting switch (3)
is turned to ON position to inform the operator that preheating has been started automatically.
Start the engine according to the following procedure.
1.
Check that the lock lever (1) is at LOCK position (L).
If the lock lever (1) is in FREE position (F), the engine
does not start.
OPERATION MACHINE OPERATIONS AND CONTROLS
3-155