TM 9-2320-280-20-2
3-32. FUEL FILTER MAINTENANCE
This task covers:
a. Removal
c. Bleeding
b. Installation
INITIAL SETUP:
Tools
Equipment Condition
Gneral mechanic’s tool kit:
Hood raised and secured (TM 9-2320-280-10).
automotive (Appendix B, Item 1)
Engine access cover removed (para. 10-15).
Materials/Parts
Fuel pressure transducer removed (para. 4-26).
Two lockwashers (Appendix G, Item 109)
General Safety Instructions
Sealing compound (Appendix C, Item 44)
Do not perform this procedure near fire, flames, or
Fuel filter bleeder tool (Appendix D, Figure D-63)
sparks.
(optional)
Manual References
TM 9-2320-280-10
TM 9-2320-280-24P
W A R N I NG
Diesel fuel is highly flammable. Do not perform this procedure near
fire, flames, or sparks. Severe injury or death will result.
CAUTION
Cover or plug all hoses and connections immediately after disconnection
to prevent contamination. Remove all plugs prior to connection.
a. Removal
NOTE
Have drainage container ready to catch fuel.
1. Loosen two hose clamps (2) and disconnect fuel inlet hose (1) and fuel outlet hose (13) from fuel filter (8).
2. Loosen hose clamp (9) and disconnect fuel filter drain hose (10) from fuel filter (8).
3. Pull back insulation to allow access to capscrews (3) and remove two capscrews (3), lockwashers (4),
and fuel filter bracket (11) from body (12). Discard lockwashers (4).
4. Loosen capscrew (7) and remove fuel filter (8) from fuel filter bracket (11).
5. Remove three fittings (5) from fuel filter (8).
b. Installation
1. Apply sealing compound to threads of three fittings (5). Install three fittings (5) to fuel filter (8).
2. Install fuel filter (8) in fuel filter bracket (11) and tighten capscrew (7).
3. Install fuel filter bracket (11) on body (12) with two capscrews (3) and lockwashers (4). Tighten
capscrews (3) to 15 lb-ft (20 N-m).
4. Connect drain hose (10) to fuel filter (8) and tighten clamp (9) to 10-20 lb-in. (1-2 N*m).
5. Connect fuel inlet hose (1) and fuel outlet hose (13) to fuel filter (8) with two hose clamps (2). Tighten
clamps (2) to 10-20 lb-in. (1-2 N-m).
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