TM-9-2320-280-20-2

TRUCK, UTILITY: M998 SERIES

TECHNICAL MANUAL; UNIT MAINTENANCE; VOLUME 2 OF 3

JANUARY 1996
TM-9-2320-280-20-2

  TM-9-2320-280-20-2 - Page 82 of 951

3-32. FUEL FILTER MAINTENANCE
This task covers:
a. Removal
c.
Bleeding
b. Installation
INITIAL SETUP:
Tools
General mechanic’s tool kit:
automotive (Appendix B, Item 1)
Materials/Parts
Two lockwashers (Appendix G, Item 134)
Sealing compound (Appendix C, Item 44)
Fuel filter bleeder tool (Appendix D, Figure D-63)
(optional)
Manual References
TM 9-2320-280-10
TM 9-2320-280-24P
Equipment Condition
• Hood raised and secured (TM 9-2320-280-10).
• Engine access cover removed (para. 10-15).
• Fuel pressure transducer removed (para. 4-26).
General Safety Instructions
Do not perform this procedure near fire, flames,
or
sparks.
TM 9-2320-280-20-2
3-60
Change 3
WARNING
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.
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).
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).
b. Installation
a. Removal


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