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Komatsu PC2000-8 - Page 256

Komatsu PC2000-8
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MACHINE OPERATIONS AND CONTROLS OPERATION
3-190
2. Set fuel control dial (2) to the low idling (MIN) position.
3. Turn the key in starting switch (3) to ON position (B).
If the ambient temperature is low, the preheating monitor
lights up and automatic preheating is carried out. Keep the
key in starting switch (3) at the ON position (B) until the
preheating monitor goes out.
The time that the preheating monitor stays lighted up depends
on the ambient temperature as shown in the table on the right.
4. If the preheating monitor does not light up, or it lights up
and then goes out to inform that the engine preheating has
been completed, turn the key in starting switch (3) to the
START position (C) and start the engine.
REMARK
If the ambient temperature is low, the engine may not start
even when the key in the starting switch (3) is kept at the
START position for 20 seconds. If this happens, wait for at
least 2 minutes, then start again from the beginning.
5. After the engine starts, release the key in starting switch
(3). The key will automatically return to the ON position (B).
REMARK
When the engine is started, the battery voltage may suddenly
drop depending on the temperature and the battery condition.
If this happens, the display on the machine monitor may
momentarily go out, but this does not indicate any abnormality.
Ambient temperature Lighting time
-4°C to -15°C
5 seconds
to 30 seconds
-15°C
or less
30 seconds

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