TM 1-1520-238-23
10-535
10.127.
NITROGEN INERTING UNIT (NIU) PRESSURIZED AIR SUPPLY HOSE
REMOVAL/INSTALLATION – continued
10.127.4. Cleaning
a. Wipe removed and attaching parts with a
clean rag.
10.127.5. Inspection
a. Check removed and attaching parts for nicks,
dents, cracks, and stripped or damaged
threads (para 10.1).
10.127.6. Installation
a. Install hose (1). Torque nuts (5) and (3) to 58
INCH-POUNDS.
(1) Install hose (1) on fitting (4).
(a) Hold fitting (4).
(b) Install nut (5) on fitting (4).
(c) Torque nut (5) to 58 INCH-POUNDS. Use
torque wrench.
(2) Install hose (1) on T–fitting (2).
(a) Hold T-fitting (2).
(b) Install nut (3) on T-fitting (2).
(c) Torque nut (3) to 58 INCH-POUNDS. Use
torque wrench.
b. Inspect (QA).
c. Perform fuel system priming operation (para
1.23).
d. Perform nitrogen inerting system mainte-
nance operational check (TM 1-1520-238-T).
e. Secure access doors T250L, T250R, T290L,
and T290R; install access fairing L325; install
access panel R200 (para 2.2).
END OF TASK
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5
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M04-2982-3
