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12. OPERATION
8.
Press working mode switch
the mode to be used lights up.
12.3.2 IN COLD AREAS (AUTOMATIC WARMING-UP
OPERATION)
When starting the engine in cold areas, carry out the automatic
warming-up operation after starting the engine.
When the engine is started, if the engine water temperature is low
(below 30
o
C (86
o
F)), the warming-up operation is carried out automati-
cally.
The automatic warming-up operation is cancelled if the engine water
temperature reaches the specified temperature (30
warming-up operation is continued for 10 minutes. If the engine water
temperature or hydraulic oil temperature are low after the automatic
warming-up operation, warm the engine up further as follows.
NOTICE
•
When the hydraulic oil is at a low temperature, do not carry out
operations or move the levers suddenly. Always carry out the
warming-up operation. This will help to extend the machine life.
•
Do not suddenly accelerate the engine before the warming-up
operation is completed.
Do not run the engine at low idling or high idling continuously
for more than 20 minutes. This will cause leakage of oil from the
turbocharger oil supply piping. If it is necessary to run the en-
gine at idling, apply a load from time to time or run the engine at
a mid-range speed.
1.
Set fuel control dial
engine for about 5 minutes without load.
2-54
on the monitor panel until the lamp of
at the low idling (MIN) position and run the
o
C (86
o
F)) or if the
H/O
G/O
F/O
L/O
B/O
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