TM 1-1520-238-23
4-250
4.78.
NO. 2 ENGINE AIR DUCT REMOVAL/INSTALLATION – continued
4.78.3. Removal
a. Remove air duct coupling (1).
(1) Remove nut (2).
(2) Open and remove coupling (1) from air duct
(3) and particle separator blower (4).
b. Remove duct (3) from primary nozzle (5).
(1) Remove three bolts (6) and washers (7).
c. Remove duct (3) from blower (4).
(1) Slide adapter (8) aft. Remove duct (3).
(2) Remove adapter (8) from duct (3).
4.78.4. Cleaning
a. Wipe removed and attaching parts with a
clean rag.
4.78.5. Inspection
a. Check air duct for loose or missing hardware
(TM 1-1500-204-23).
b. Check blower and adapter for cracks. None
allowed.
c. Inspect primary nozzle (para 4.119).
d. Check for corrosion (para 1.49).
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