Engine
SHOP MANUAL MT26-31 - 06.2005
Tier-3 710655-
Ch 1 page 59
IMPORTANT!
Check the unit injector spring
diameter before adjusting and ensure that the
correct tool is used when adjusting the unit
injector.
Note:
All work that involves opening the fuel
system must be completed in the following way:
Start the engine and check for leaks. Allow the
engine to run until it is running smoothly.
Check and delete any fault codes that are
registered in the control unit after the work has
been completed.
1
Make sure that the old seal is not at the
bottom of the injector seat. Clean the sealing
surfaces in the injector seat.
IMPORTANT!
Always renew the flange screw, O-rings and
seal on unit injectors that have been removed.
Make sure all sealing surfaces are clean.
2
Lubricate the unit injector O-rings with
O-ring grease, part No. 512086
3
Fit a new sealing washer on the unit
injector. A rubber insert will keep the seal in
place on the unit injector.
Check that there is no fuel left in the cylinder.
If fuel runs into the combustion chamber, it must be
removed immediately using a pump.
WARNING!
!
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