TM 1-1520-238-23
4-242
4.75.
NO. 2 ENGINE COMPRESSOR BLEED AIR HOSE REMOVAL/INSTALLATION – continued
b. Remove hose (1) from upper elbow (4).
(1) Hold elbow (4). Remove nut (5).
4.75.4. Cleaning
a. Clean threads of elbows and hose nuts (para
1.47).
4.75.5. Inspection
a. Check elbows and hose nuts for damaged
threads. None allowed.
b. Check hose for cracks. None allowed.
c. Check elbows and hose nuts and hose for
corrosion (para 1.49).
4.75.6. Installation
a. Install hose (1) on elbow (4).
(1) Install nut (5) on elbow (4).
(2) Hold elbow (4). Tighten nut (5).
b. Install hose (1) on lower elbow (2).
(1) Install nut (3) on elbow (2).
(2) Hold elbow (2). Tighten nut (3).
c. Inspect (QA).
d. Perform power plant maintenance operational
check (engine 2) (TM 1-1520-238-T).
e. Install access doors RN3 and RN4 (para 2.2).
END OF TASK
M04-2585-3
4
5
1
M04-2585-4
2
3
1
