Service procedures - fuel system Group 22
102
Clean around all injectors and remove all valve covers.
Injectors, replacing
(All)
Special tools: 981 2546, 999 6400, 999 8007
1
Clean up around all fuel return and delivery pipes as well as
around the pressure valve retainers on the injection pump.
2
Remove all delivery pipes together with clamps and
brackets. Remove all fuel return pipes.
3
Fit protective caps to all injectors and to the pressure valve
on the injection pump.
4
Remove return pipe and the brackets between the injectors
and the injection pump.
5
6
Remove the injector retainers. Remove all injectors.
Note: If it is difficult to remove the injectors, tap gently on
them using tools 999 6400 and 999 8007.
7
Remove the sealing rings from the steel rings.
Note: Clean the copper sleeve’s seal using tool 981 2546.
Use the mounting sleeve to press the brush into the copper
sleeve and fit a drilling machine to the brush.
8
Fit new sealing rings.
9
Torque the retainers to 50 Nm (36.9 ft-lb).
10
Refit all valve covers complete with gaskets.
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