Oil Filter Change - Volvo Penta D25A MS Operator's Manual

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Maintenance: Lubrication system

Oil filter change

The oil filters can be changed while the engine is run-
ning as the oil flow can be directed through one filter
at a time.
1. Remove the cover from the filter switch valve by
disconnecting the two bolts.
WARNING! Working on or approaching a
running engine is a safety hazard. Beware of
rotating parts and hot surfaces.
2. Cut off the oil flow through the right filter by tur-
ning the setting valve in position C.
3. Unscrew the oil filter using the special tool. Dis-
card the filter.
NOTE! Place a container beneath the filter when
removing to avoid oil spill.
4. Lightly oil the new filter's rubber gasket and check
its mating surface on the mounting.
5. Mount the new filter by hand until the gasket is in
contact with the sealing surface. Then tighten the
filter a further approximately 3/4 of a turn using a
filter wrench.
6. Put the filter on-line by turning the valve in posi-
tion A.
7. Replace the left filter as above. Position B is the
left filter change position.
8. Replace both full-flow filters and the by-pass filter
at the same change interval. Refere to next page
for by-pass oil filter change procedure.
NOTE! After a lubrication oil filter change, open the
filter and check for metal parts.
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