TM 1-1520-238-23
Change 4
10-471
10.113.
APU FUEL PUMP FUEL SUPPLY ELBOW REMOVAL/INSTALLATION – continued
c. Install elbow (5).
(1) Hold elbow (5) in position. Install two bolts
(10) and washers (11).
(2) Perform electrical bond check on two bolts
(10) (TM 55-1500-323-24).
(a) Bond shall be 1.0 OHM or less. Use
multimeter.
(3) Seal heads of two bolts (10). Use sealing
compound (item 175, App F).
d. Install nipple (2) on elbow (5).
(1) Lubricate new packing (6). Use petrolatum
(item 138, App F).
(2) Install packing (6) on nipple (2).
(3) Lubricate threads of nipple (2). Use
petrolatum (item 138, App F).
(4) Install nipple (2) on elbow (5).
e. Install hose (1) on nipple (2).
(1) Hold nipple (2).
(2) Install nut (3) on nipple (2).
f. Inspect (QA).
g. Install APU fuel pump pressure switch (para
10.112).
h. Install access panel R200 (para 2.2).
END OF TASK
M04-3839-10
10
5
11
6
M04-3839-11
2
5
M04-3839-12
1
3
2
