Maintenance and care
25
Fuel lift pump
The fuel lift pump is operated by the injec-
tion pump camshaft via the roller tappet.
Strainer
1
3
2
1 Fuel strainer
2 Filtering screen
3 Filter housing
After every 200 hours of operation the fuel
strainer connected upstream of the fuel lift
pump should be cleaned.
Parallel fuel filter
The fuel flows through two parallel filters.
1 1
3
2 2
1 Filter element
2 Vent plugs
3 Moisture drain plugs
Draining moisture:
Unscrew drain plugs at every oil change
until moisture has been discharged and
clean fuel flows out.
Replacement of filter elements:
After every 1000 hours of operation – or
earlier if loss of engine power indicates
clogging – the filter elements should be
renewed.
Caution:
Used fuel filters are classed as dan-
gerous waste and must be disposed of
accordingly.