TM 9-4520-272-14&P
0028 00
5. Take note of the orientation of the brass elbow fitting (11) on the inlet port (12) of the fuel pump and
remove. Clean any residual thread sealant that may be on the threads of the elbow fitting and set
aside.
6. Remove the upper bolt (13) securing the fuel pump by removing the nut (14) and lock washer (15) on
the rear of the fuel pump mounting panel.
7. Remove the lower bolt (16) securing the fuel pump by removing the nut (17) and lock washer (18) on
the rear of the fuel pump mounting panel (19).
8. Remove the defective fuel pump (1).
9. Install a new fuel pump (1) by positioning over the two mounting holes on the fuel pump mounting
panel (19).
10. Install the upper mounting bolt (13) and secure with a lock washer (15) and nut (14) from the rear side
of the fuel pump mounting panel (19).
11. Install the lower mounting bolt (16) and secure with a lock washer (18) and nut (14) from the rear side
of the fuel pump mounting panel (19).
12. Apply new thread sealant to the threads of the brass elbow fitting (11) and install in the fuel inlet port
(12) of the fuel pump taking care to orient the fitting as before.
13. Apply new thread sealant to the threads of the elbow fitting (9) and install in the fuel outlet port (10) of
the fuel pump taking care to orient the fitting as before.
14. Install the fitting (7) of the fuel inlet hose (8) on the brass elbow fitting (11) located at the fuel inlet
port, tightening securely.
15. Install the fitting (5) of the fuel outlet hose (6) on the elbow fitting located at the fuel outlet port,
tightening securely.
16. Reconnect the electrical connector (4) by engaging the two halves of the connector until they are
firmly seated.
0028 00-2
