Komatsu D61EX-24 Operation & Maintenance Manual page 124

OPERATION
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, front cover, and engine side cover.
7.
Turn the starting switch to ON position.
8.
Select "Fan Reverse Mode" (1) on "Machine Setting" menu
(b) screen.
9.
Press switch F6.
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.
11. Since fan reverse rotation is set, start the engine.
EXPLANATION OF COMPONENTS
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