REPLACE PRIMARY AND SECONDARY FUEL FILTER ELEMENTS Continued
Place container under drain cock (1). Open drain cock and drain fuel from fuel filter. Close drain cock. Repeat
procedures on second fuel filter, if replacing both filters.
Install covers on disconnected fuel lines, tubes, valves and components during maintenance. Use
tape, cloth, cardboard, or any appropriate material to prevent damage to components or
accidental fuel spills.
If primary fuel filter element is being removed skip Steps 4 - 10. If secondary fuel filter element
is being removed, skip Step 2 and Step 3.
Hold primary filter canister (4) and remove screw (2) and washer (3) securing canister to fuel filter head (5).
Remove filter canister (4), gasket (6), and primary fuel filter element (7) from filter head (5). Discard filter element and
gasket per local SOP. Use rags and wipe canister (4) clean. Discard rags per local SOP.