Komatsu D155AX-8E0, Operation & Maintenance Manual

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1.
Turn starting switch (1) to OFF position and stop the en-
gine.
2.
Fully open the right and left engine side covers and lock
them.
3.
Turn starting switch (1) to ON position.
4.
On the user menu, set Fan Reverse Mode.
For setting of Fan Reverse Mode, see “REVERSE HY-
DRAULIC FAN (3-74)”.
REMARK
Even if Fan Reverse Mode is set while the engine is run-
ning, the fan rotation direction is not reversed.
The screen in the figure is displayed to inform the operator
that the direction of rotation of the fan has not been
changed.
Stop the engine once and follow the steps 2 and 3 above.
5.
Turn the starting switch (1) to START position and start the
engine.
6.
Turn the fuel control dial to High idle (MAX) position and
run the engine at high idle.
Set the high idle operation time as follows, depending on the clogging level.
Ordinary clogging: 1 to 2 minutes
Excessive clogging: 2 to 3 minutes
7.
After cleaning, turn the fuel control dial to Low idle (MIN) position.
Run the engine at low idle approximately 10 seconds.
MAINTENANCE PROCEDURE MAINTENANCE
4-30