TM 1-1520-238-23
15-16
Change 8
15.3.
APU INSTALLATION – continued
h. Install APU aft mount strut (27).
(1) Position rod end (28) in fitting (29).
(2) Install bolt (30) through fitting (29), rod end
(28), and bushing (31).
(3) Install washer (32) and nut (33) on bolt (30).
Do not tighten nut (33).
(4) Position clevis (34) over mount (6).
(5) Install bolt (35) through clevis (34), mount (6),
and bushing (36).
(6) Install washer (37) and nut (38) on bolt (35).
Do not tighten nut (38).
(7) Tighten nut (33).
(8) Tighten nut (38).
(9) Clean the interior of the top hole of the AFT
strut. Use metal conditioning compound
(item 123A, App F)
(10) Coat interior of hole with epoxy primer. Use
disposable applicator (item 29A, App F) and
Primer (item 142, App F).
(11) Insert polyurethane coating (item 141A,
App F) in top hole of the strut long enough to
be recessed 0.5 inches.
(12) Apply sealant. Use sealing compound
(item 176, App F)
i. Torque right APU mount bolt (15) to 120 INCH-
POUNDS. Use torque wrench.
(1) Lockwire bolt (15) to truss (16). Use wire
(item 226, App F).
j. Torque left APU mount bolt (25) to 120 INCH-
POUNDS. Use torque wrench.
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30
35
27
29
32
33
37
38
6
M04-1574-6
31
36
34
28
16
15
M04-1574-7
18
25
M04-1574-8
