Komatsu Galeo BR380JG-1E0 Shop Manual page 335

30 Testing and adjusting
27. Function of cylinder cut out operation [08]
The operator can perform the engine on cylin-
der cut out operation with the machine monitor.
"Cylinder cut out" operation means to run the
engine with 1 or more fuel injectors disabled
electrically to reduce the number of effective
cylinders. This operation is used to find out a
cylinder which does not output power normally
(combustion in it is abnormal).
1) Selecting menu
Select "08 Cylinder cut out" menu from the
Service Menu initial screen and press [ ]
switch.
2) Selecting cylinder to be cut out
Press a switch corresponding to the cylin-
der No. to be cut out from switches [1] to
[6] of the machine monitor.
a If pressing the switch changes the
cylinder number on the screen to a
white letter enclosed in the white
frame, the cylinder is cut out (when a
wrong number is selected, press the
correct switch again).
a Number of cylinders to be reduced is
any.
BR380JG-1E0
3) Resetting cut out cylinder
Press the switch corresponding to the cut
out cylinder number from switches [1] to
[6] of the machine monitor to be reset.
a If pressing the switch changes the
cylinder number on the screen to a
black letter enclosed in the black
frame, the cylinder is reset.
SEN02304-00
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