TM 1-1520-238-23
13-74
13.24.
AIR DUCT NO. 8 REMOVAL/INSTALLATION - continued
c. Remove two cuffs (1) and (2) from air duct No.
8 (3) and air duct (4).
(1) Remove sealing compound from cuff (1) and
deck (5) (para 1.47).
(2) Remove tape (6) and separate cuff (1).
(3) Remove tape (6) and separate cuff (2) velcro
strips.
(4) Remove cuffs (1) and (2).
d. Remove cuff (7) from ducts (3) and (8).
(1) Remove tape (6) and separate cuff (7)
halves.
(2) Remove cuff (7) halves.
e. Remove duct (3) from ducts (4) and (8).
(1) Loosen five clamps (9) from sleeve (10), flex-
ible hose (11), and brackets (12) and (13).
(2) Remove clamps (9), sleeve (10), and hose
(11).
(3) Remove duct (3).
13.24.4. Cleaning
a. Clean removed and attaching parts (para
1.47).
13.24.5. Inspection
a. Check ends of ducts, clamps, and brackets
for excessive wear, cracks, or breaks (para
13.1).
b. Check sleeves, cuffs, and insulation on ducts
for rips or tears (para 13.1).
c. Check rubber seals at both ends of ducts for
chafing, cuts, or fraying (para 13.1).
d. Check removed and attaching parts for corro-
sion (para 1.49).
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