Fuel system
OPM 300 en-GB 79
© Scania CV AB 2020, Sweden
Fitting the fuel filters
Check that there is no remaining packaging ma-
terial stuck to the new filter elements. Secure the
filter elements in the filter covers before posi-
tioning them in the fuel filter housings. Other-
wise, the filter elements may break.
In order to prevent back pressure in the filter
housings when the filter elements are screwed
on, the bleed nipple should be open.
1. Fit a new O-ring on the cover. Lubricate the
O-ring with O-ring grease.
2. Press the filter elements into the snap fasten-
ers on the covers.
3. Check that the filter housing is clean before
fitting. Use lint free cloths.
4. Press down the filter elements into the fuel
filter housings with the filter covers.
5. Screw down the filter covers until the cover
seals are in contact with the filter housings.
Use the socket.
6. Tighten the filter housings to 25 Nm (18 lb/
ft).
7. Bleed the fuel system as per the following
section.
8. Start the engine and check that there is no
fuel leakage between the filter covers and fil-
ter housings. If there is leakage, undo the fil-
ter covers and start again from step 4.
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