TM 1-1520-238-23
13-71
13.23.
AIR DUCT NO. 7 REMOVAL/INSTALLATION - continued
c. Remove two cuffs (1) from air duct No. 7 (2)
and air ducts (3) and (4).
(1) Remove tape (5) and separate cuff (1) velcro
strips.
(2) Remove cuffs (1).
d. Remove duct (2) from ducts (3) and (4).
(1) Loosen four clamps (6) from two sleeves (7)
and two brackets (8).
(2) Remove clamps (6) and sleeves (7).
(3) Remove duct (2).
13.23.4. Cleaning
a. Wipe removed and attaching parts with a
clean rag.
13.23.5. 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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