TM 1-1520-238-23
Change 3
10-531
10.126.
NITROGEN INERTING UNIT (NIU) CONDITIONED AIR OUTLET HOSE
REMOVAL/INSTALLATION – continued
e. Remove conditioned air outlet hose (10).
(1) Hold NIU fitting (11). Remove nut (12).
(2) Hold union (13). Remove nut (14).
(3) Remove hose (10).
10.126.4. Cleaning
a. Wipe outlet hose, NIU fitting, bulkhead union,
and surrounding area with a clean rag.
b. Wipe ends of NIU cooling air hose, NIU port,
and vent with a clean rag.
10.126.5. Inspection
a. Check conditioned air outlet hose for cracks,
breaks, or tears (para 10.1).
b. Check hose nuts, NIU fitting, and bulkhead
union for cracks, nicks, dents, or damaged
threads (para 10.1).
c. Check NIU cooling air outlet hose for cracks,
tears, or other damage (para 10.1).
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M04-2979-6A
