Komatsu Galeo PC138US-8 Shop Manual page 428

SEN02459-00
[Reference]
If a normally operating cylinder is Cut-Out,
q
the following phenomena occur.
1) Lowering of engine speed
2) Increase of final injection rate com-
mand (quantity)
If the engine is running near the high idle,
q
however, the engine speed may not lower
for the reason of engine control.
In this case, lower the engine speed with
q
the fuel control dial and judge by increase
of the injection rate command.
46
No Injection
If the engine is operated after long storage of the
machine, it may be worn or damaged because of
insufficient lubrication with oil. To prevent this, the
function to lubricate the engine before starting it by
cranking it without injecting fuel is installed.
Set the no-injection cranking while the engine is
stopped.
1. Selecting menu
Select "No Injection" on the "Service Menu"
screen.
2. Displaying check screen
If the "No injection" screen is displayed, the
machine monitor asks the operator if no injec-
tion cranking should be performed. Answer
with the function switch.
[F5]: Do not perform (Return to Service
q
menu screen)
[F6]: Perform
q
a While the screen is changing to the follow-
ing screen, the screen of "Communication
between controllers is being checked" is
displayed.
30 Testing and adjusting
PC138US, USLC-8