TM 1-1520-238-23
Change 5
6-73
6.12.
INTERMEDIATE GEARBOX CENTRIFUGAL FAN, INPUT COUPLING, AND FLANGE
REMOVAL/INSTALLATION – continued
b. Remove coupling (2) from flange (3).
(1) Remove five bolts (6) attaching flange (3) to
coupling (2). Use socket.
(2) Remove coupling (2) from flange (3).
c. Remove flange (3) from fan (1).
(1) Remove five nuts (7), bolts (8), and washers
(9) attaching fan (1) to flange (3).
(2) Remove flange (3) from fan (1).
6.12.4. Cleaning
a. Clean removed and attaching parts or sur-
faces (para 1.47).
6.12.5. Inspection
NOTE
Unless otherwise specified, the following
inspection procedures apply to the cen-
trifugal fan, input coupling, and flange.
a. Check intermediate gearbox (para 6.121).
b. Check for cracks. None allowed.
c. Check for corrosion (para 1.49).
d. Check for elongated bolt holes. None allowed.
e. Check flange for serviceability (para 6.121).
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