Group 22 Service procedures - fuel system
105
4
Clean and fit new gasket on the injection pump. Fit the feed
pump.
Note: If lubricating oil has run out of the injection pump, an
equal quantity should be replaced afterwards through the
regulator’s level plug, at the rear of the regulator.
5
Fit the fuel pipes.
6
Bleed the fuel system.
7
Start the engine and check for leaks.
Fuel filters, replacing
Special tools: 999 9179
1
Carefully clean around the filter bracket.
2
Remove the filters with tool 999 9179.
3
Moisten the seals of the new filters with oil and then screw
on the filters by hand until the seals are in contact with the
bracket. Now tighten by hand a half turn further. Check
that the new filter has not been damaged. If the filter is dent-
ed, it may crack.
4
Bleed the fuel system.
5
Start the engine and check for leaks around the filters.
Feed pump, replacing
1
Clean around the feed pump.
2
Remove the fuel pipes from the pump.
3
Remove the feed pump from the injection pump.
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