Fuel System; Bleeding The Fuel System; Changing Fuel Filter - Volvo Penta D7A T Operator's Manual

Maintenance: Fuel System

Fuel system

46

Bleeding the fuel system

The fuel system must be bled, e.g. after changing fuel
filter, if the fuel tank has been run dry and after long
stops. .
1. Put a suitable vessel under the fuel return (1).
2. Loosen the bolt.
3. Turn the engine over with the starter (max. 20
sec.) until fuel free of bubbles comes out.
4. Tighten the bolt.
5. Start the engine and make sure there are no
leaks.
IMPORTANT! Do not loosen the injector delivery
pipes. If the delivery pipes are loose they must
be changed.

Changing fuel filter

Clean the filter bracket and place a receptacle under
the filters.
NOTE! Leave the old filters to a destruction plant.
Standard fuel filter
1. Close the fuel supply to the engine.
2. Unscrew the filter.
3. Make sure the new filter are absolutely clean and
that the gasket undamaged. Lightly moisten the
gasket with oil.
4. Screw on the filters by hand until they make
contact with the sealing surface. Then screw a
further half turn, not any more!
5. Open the fuel supply.
6. Bleed the fuel system as described above.
7. Start the engine and make sure there are no
leaks.