3-33. FUEL FILTER MAINTENANCE
This task covers:
General mechanics tool kit:
automotive (Appendix B, Item 1)
Maintenance and repair shop equipment:
automotive (Appendix B, Item 2)
Itvo lo&washers (Appendix G, Item 207)
Fuel filter bleeder tool (Appendix D, Fig. D-38)
Sealing compound (Appendix C, Item 61)
l Hood raised and secured (TM 9-2320-387-10).
l Engine access cover removed (para. 10-22).
l Fuel pressure transducer removed (para. 4-30).
General Safety Instructions
Do not perform this procedure near fire, flames, or
Diesel fuel is highly flammable. Do not perform this procedure near
fire, flames, or sparks. Severe injury or death may result.
Cover or plug all hoses and connections immediately afbar disconnection
to prevent contamination. Remove all plugs prior to connection.
Have drainage container ready to catch fuel.
Loosen two hose clamps (2) and disconnect fuel inlet hose (1) and fuel outlet hose (12) from fuel filter
Loosen hose clamp (8) and disconnect fuel filter drain hose (9) from fuel filter fitting (5).
Pull back insulation to allow access to capscrews
(31, and remove two capscrews (3), lockwashers (41,
and fuel filter bracket (10) from body (11). Discard lockwashers (4).
Loosen capscrew (6) and remove fuel filter (7) from fuel filter bracket (10).
Remove three fittings (5) from fuel filter (7).
1. Apply sealing compound to threads of three fittings (5). Install fittings (5) on fuel filter (7).
Install fuel filter (7) on fuel filter bracket (10) and tighten capscrew (6).
Install fuel filter bracket (10) on body (11) with two lockwashers (4) and capscrews (3). Tighten
capscrews (3) to 15 lb-ft (20 N-m).
Connect drain hose (9) to fuel filter fitting (5) and tighten clamp (8) to lo-20 lb-in. (1-2 Nom).
Connect fuel inlet hose (1) and fuel outlet hose (12) to fuel filter fittings (5) and tighten two clamps (2)
to lo-20 lb-in. (l-2 Nom).