Fuel System Secondary Filter - Replace
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- Remove the filter elements from the base. Discard the used elements.
- Clean the filter housing bases. Make sure that all of the old seals are removed.
- Lubricate the sealing surfaces of the new filter elements with clean diesel fuel.
- Install the filters by hand. Tighten the filter elements until the sealing surface contacts the bases. Tighten the filter elements for an additional 3/4 of a turn.
There are rotation index marks on each filter element. These marks are spaced 90° or 1/4 turn from each other. Use the marks as a guide when you tighten the filter elements.
- Prime the fuel system. Refer to the Operation and Maintenance Manual, SEBU6519, "Fuel System - Prime" .
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