TM 1-1520-238-23
4-212
Change 3
4.66.
NO. 1 OR NO. 2 ENGINE LOUVER DISASSEMBLY/ASSEMBLY (AVIM) – continued
4.66.4. Cleaning
a. Wipe removed and attaching parts with a clean rag.
4.66.5. Inspection
a. Check remote control levers, sleeve bushing, louver covers, flange bushings, vanes, assemblies, and
louver linkage channel for cracks. None allowed.
b. Check remote control levers, sleeve bushing, louver covers, flange bushings, vanes, assemblies, and
louver linkage channel for corrosion (para 1.49).
c. Check louver channels for stripped nutplates. None allowed.
d. Check louver flange bushing for movement. Bushings must move freely.
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