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 TM 9- 2990- 205- 34&P
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INSPECTION OF COMPONENT PARTS - CONTINUED
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0010 00
INSPECTION
1. Inspection of the Compressor Cover.
a. Inspect compressor cover (1) for cracks.
b. Inspect mounting flanges (2) and (3) for distortion or warping.
c.
Check for loose, missing, broken or damaged studs (4). Inspect threaded inserts (5) for damaged threads.
d. Inspect mating surfaces for nicks, raised metal, or other damage.
e. Replace compressor cover if cracked, or if mounting flanges are distorted.
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03i474m
2. Inspection of the Compressor Wheel.
CAUTION
It is important to use extra care when checking for cracked blades. If undetected, they could
break during operation and cause severe damage.
a. Inspect compressor wheel (1) for bent, cracked, broken or missing blades. Check back of wheel for evidence
of rubbing against bearing housing.
b. Check inside diameter of compressor wheel bore (2) using telescope gage and micrometer. The bore
measurement must be greater than 0.500 inch but less than 0.5003 inch.
c.
Replace a damaged compressor wheel, or if the bore measures greater than 0.5003 inch.
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03i475m
0010 00- 2
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