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OPERATION
If the fan reverse operation is performed while the aftertreat-
ment devices regeneration display (A) displays that the regen-
eration is in operation, the engine speed may not increase
even if the fuel control dial is set to High idle (MAX) position,
but this is not a failure.
1.
Place the parking brake lever and work equipment lock
lever in LOCK position.
2.
Perform the engine warm-up operation.
If the warm-up operation is not performed, the air flow may
be insufficient.
3.
After finishing the warm-up operation, set the fuel control
dial to Low idle (MIN) position.
4.
Stop the engine.
5.
Open the hydraulic tank inspection cover and fuel tank inspection cover.
6.
Remove the undercover.
7.
Turn the starting switch to ON position.
8.
Select "Fan Reverse Mode" (1) on "Machine Setting" menu
(b) screen, then press the switch F6.
9.
If the parking brake lever or work equipment lock lever is in
FREE position or the engine is running, the screen shown
in the figure is displayed and the fan rotation is not re-
versed.
10. Press switch F6 when the fan reversing confirmation
screen is displayed.
When canceling the fan reversing operation, press switch
F5.
EXPLANATION OF COMPONENTS
3-63
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