b. Installation
TM 9-2320-280-20-3
12-81. TROOP/CARGO WINTERIZATION HEATER FUEL PUMP REPLACEMENT (Cont’d)
1. Apply sealing compound to threads of connectors (9) and (4) and install connectors (9) and (4)
on tee (10).
2. Apply sealing compound to threads of fuel pump (1) and install connector (7) and tee (10) on fuel
pump (1).
3. Install fuel pump (1) and ground lead 799B (13) on bracket (16) with two washers (14),
capscrews (17), lockwasher (12), two washers (14), and locknuts (15).
4. Apply sealing compound to threads of connector (9) and connect pump-to-bulkhead fuel supply
line (8) to connector (9).
NOTE
Perform step 5 if vehicle is equipped with front arctic heater.
Perform step 6 if vehicle is not equipped with front arctic heater.
5. Apply sealing compound to threads of connector (4) and connect arctic heater fuel supply line (5)
to connector (4).
6. Apply sealing compound to threads of connector (4) and install cap (11) on connector (4).
7. Apply sealing compound to threads of connector (7) and connect pump-to-hose fuel supply line (6)
to connector (7).
8. Connect fuel pump lead (2) to electrical connector (3).
FOLLOW-ON TASKS: • Connect battery ground cable (para. 4-73).
• Operate troop/cargo heater (TM 9-2320-280-10) and check for fuel leaks.
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