Fuel pump - cleaning

Note: Refer to the warning at the end of Section 1 before proceeding.

1 On certain early models the fuel pump has a detachable cover allowing access to the internal filter for cleaning. If this type of pump is fitted (identified by a raised cover secured with a screw) the filter can be cleaned as follows.

2 Place a piece of rag around the pump body to catch the fuel which will drain out when the cover is removed.

3 Unscrew and remove the single cover screw and lift off the cover (see illustration).

4.3 CVH engine fuel pump filter components
4.3 CVH engine fuel pump filter components

A Pump cover B Filter

4 Take out the rubber sealing ring and the filter screen from inside the cover.

5 Clean the screen by brushing it in clean fuel, then fit it into the cover, noting the projections on some screens which centralise it.

6 Fit the sealing ring. If it is not in good order, renew it.

7 Locate the cover on the pump body. On some pumps, the cover is correctly installed when the notch in the cover engages in the groove in the pump body.

8 Screw in the retaining screw, but do not overtighten it provided it is making a good seal.

    See also:

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