a. Removal
b. Installation
CAUTION
TM 9-2320-280-20-3
12-33. ARCTIC HEATER FUEL SUPPLY LINE BULKHEAD COUPLING REPLACEMENT
This task covers:
a. Removal
b. Installation
INITIAL SETUP:
Tools
Manual References
General mechanic’s tool kit:
TM 9-2320-280-10
automotive (Appendix B, Item 1)
TM 9-2320-280-24P
Materials/Parts
General Safety Instructions
Sealing compound (Appendix C, Item 44)
Do not perform this procedure near fire, flames,
or sparks.
WARNING
Diesel fuel is highly flammable. Do not perform this procedure
near fire, flames, or sparks. Severe injury or death will result.
Cover or plug all open hoses and connections immediately after
disconnection to prevent contamination. Remove all covers or
plugs prior to connection.
NOTE
Have drainage container ready to catch fuel.
1. Disconnect pump-to-bulkhead fuel supply line (1) from elbow (2).
2. Disconnect elbow (2) from coupling half (5).
3. Remove coupling nut (3) and washer (4) from bulkhead (8) and coupling half (5).
4. Disconnect filter-to-bulkhead fuel supply line (7) from elbow (6).
5. Remove coupling half (5) from elbow (6).
6. Inspect elbows (2) and (6) and coupling half (5) for damaged threads or cracks. Replace if cracked or
damaged.
1. Apply sealing compound to threads of elbows (2) and (6).
2. Connect elbow (6) to coupling half (5).
3. Connect filter-to-bulkhead fuel supply line (7) to elbow (6).
4. Install coupling half (5) on bulkhead (8) with washer (4) and coupling nut (3).
5. Connect elbow (2) to coupling half (5).
6. Connect pump-to-bulkhead fuel supply line (1) to elbow (2).
12-48
