TM 1-1520-238-23
4-239
4.74.
NO. 1 ENGINE COMPRESSOR BLEED AIR TUBE REMOVAL/INSTALLATION continued
4.74.3. Removal
a. Remove starter air tube clamp (1) from com-
pressor bleed air tube (2).
(1) Remove screw (3), washer (4), spacer (5),
and angle bracket (6) from tube (2).
b. Remove tube (2) from bleed air outlet flange
(7).
(1) Remove nut (8).
(2) Open and remove coupling (9).
(3) Remove tube (2).
4.74.4. Cleaning
a. Clean flange and coupling (para 1.47).
4.74.5. Inspection
a. Check coupling, flange, and tube for cracks.
None allowed.
b. Check flange and tube for corrosion (para
1.49).
c. Check tube for discoloration around welded
areas. None allowed.
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