Note: Filter replacement on a running engine is per-
missible only with a short-time cutout of the
filter to be replaced.
2. Turn three-way cock to setting (B) to cut out
the filter (2) which is to be replaced:
Result: Fuel filter (2) is cut out of the fuel circuit, but
is still under pressure.
3. Connect venting hose to threaded vent plug
(1) of filter which has been cut out. Lead the
end of the hose to the prepared collecting
container.
4. Carefully turn the threaded vent plug (1) of
the cut out filter to the left. Check that the
fuel filter is depressurized.
5. Close vent plug (1).
6. Unscrew switched off easy-change filter (2)
with oil filter wrench.
7. Clean sealing surface on filter head.
8. Lightly oil sealing ring of new easy-change fil-
ter.
9. Screw on easy-change filter (2) by hand until
seal makes contact, then tighten by hand.
Note: Cut the fuel filter back in slowly following re-
placement to return both filters to operation.
The engine may shut down if the filter is cut
back in too quickly.
10. Turn three-way cock slowly to position (A) to
allow fuel to flow through both filters (stand-
ard position).
11. Replace other fuel filters in the same way.
Replacing fuel filter with the en-
gine at standstill
1. Note the three-way cock settings listed be-
low:
(A) Both filters are cut in (standard posi-
tion).
(B) Right filter is cut out.
(C) Left filter is cut out.
MS150060/04E 2016-02 | Fuel Filter | 89
TIM-ID: 0000043257 - 003
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