TM 1-1520-238-23
Change 4
1-84.5/(1-84.6 blank)
1.27A.
APU FUEL SYSTEM PRIMING – continued
j. Install APU fuel supply hose (1) on APU elbow
(2).
(1) Remove APU fuel bleeder hose (4) from fuel
supply hose (1).
(2) Remove pail (5) from airframe ground.
(3) Remove pail (5) and APU fuel bleeder hose
(4) from helicopter.
(4) Lubricate threads of elbow (2). Use
petrolatum (item 138, App F).
(5) Install fuel supply hose (1) on elbow (2).
(6) Install nut (3).
k. Inspect (QA).
l. Perform auxiliary power unit maintenance op-
erational check (TM 1-1520-238-T).
m. Remove external electrical power (para 1.70).
n. Install APU enclosure (para 15.41).
END OF TASK
1
M04-5104-10
4
5
1
3
2
M04-5104-3
