TM 1-1520-238-23
15-156
Change 3
15.41.
APU ENCLOSURE REMOVAL - continued
NOTE
Perform step o. if aft bulkhead is to be
removed. Perform steps o. and p. if aft
bulkhead is to be replaced.
o. Detach connector P79 (29) from receptacle
(A11)J1 (30).
p. Remove flame detector (31) from aft bulkhead
(32).
(1) Hold two screws (33). Remove two nuts (34)
and washers (35).
(2) Remove two screws (33) and detector (31).
q. Remove bulkhead (32).
(1) Remove exhaust duct (para 15.40).
(2) Pull aft on bulkhead (32) to disengage three
spring clips (36) and (37) at firewall (38) and
deck (39).
(3) Remove bulkhead (32).
15.41.4. Cleaning
a. Wipe panels, supports, and brackets with a
clean rag.
b. Remove residual sealant (para 1.47).
15.41.5. Inspection
a. Check for delaminated or cracked bulkhead,
panels, and covers (para 15.1).
b. Check for loose, missing or damaged hook-
and-pile fasteners, stud fasteners, turnlock
receptacles, nutplates, doublers, seals, and
clips (para 15.1).
c. Check removed and attaching parts for corro-
sion (para 1.49).
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35
34
33
29
31
32
M04-1530-13B
30
36
M04-1530-17B
32
39
38
37
