6.
Insert the key into starting
switch (5) and turn it to ON posi-
tion (B).
7.
Check that the machine monitor operates in the following
manner.
When the starting switch is turned to ON position to start
the engine, all the monitors, gauges and centralized warn-
ing lamp light up for approximately 2 seconds, and the
alarm buzzer sounds for approximately 2 seconds.
The engine tachometer swings once.
If the monitor does not light up, there may be a failure or
wire breakage. Ask your Komatsu distributor for inspection.
8.
Check that the work equipment is locked (the pilot lamp in the switch (6) is lit).
METHOD FOR STARTING ENGINE
START ENGINE IN NORMAL WEATHER
WARNING
• Start the engine only while sitting down in the operator's seat.
• Do not attempt to start the engine by short-circuiting the engine starting circuit.
Doing so may cause a fire or 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.
• Exhaust gas is toxic.
When starting the engine in confined spaces, be particularly careful to ensure good ventilation.
NOTICE
• Do not accelerate the engine
abruptly until it is
warmed up.
Do not operate the starting motor continuously for
more than 20 seconds.
• If the engine does not start, wait for 2 minutes or so,
and then try to start the engine again.
This machine is equipped with an engine automatic preheating
device that functions to start the engine preheating automati-
cally.
When the ambient temperature is low, the preheating pilot lamp
(2) lights up when the key in starting switch (1) is turned to ON
position to inform the operator that preheating has been started
automatically.
MACHINE OPERATIONS AND CONTROLS OPERATION
3-176
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