TM 55-1520-240-23-3
4-18.1
INSTALL ENGINE FUEL BOOST PUMP
4-18.1
INITIAL SETUP
Applicable Configurations:
With 74
Tools:
Powerplant Repairers Tool Kit, NSN
5180-00-323-4944
Open End Wrench, 1-1/2 Inch
Materials:
Conical Seal
Packing
Petrolatum (E274)
Personnel Required:
Aircraft Powerplant Repairer (2)
Inspector
References:
TM 1-2840-265-23
TM 1-2840-265-23P
NOTE
Procedure is same to install fuel boost
pump on No. 1 or No. 2 engine. No. 2
fuel boost pump is shown here.
1.
Install pump (1) (TM 1-2840-265-23).
2.
Use petrolatum (E274) to lubricate and install
new packing (2) and unions (3) into fuel pump (1).
3.
Install new conical seal (4) and connect hoses
(5 and 6) to unions (3).
FOLLOW-ON MAINTENANCE:
Close engine access cover (Task 4-50).
Close engine work platform (Task 2-2).
END OF TASK
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