TM 55-2840-254-23
2-39 REPAIR AIR DIFFUSER ASSEMBLY (AVIM)
2-39
INITIAL SETUP
Applicable Configurations:
All
Tools:
Powerplant Mechanics Tool Kit,
NSN 518000-323-4944
Technical Inspection Tool Kit,
NSN 5180-00-323-5114
Goggles
Micrometer Depth Gage
Compressed Air Source
Materials:
Crocus Cloth (El 5)
Personnel Required:
68B10 Aircraft Powerplant Repairer
68B30 Aircraft Powerplant Inspector
References:
Task 8-76
Task 8-77
Task 8-79
Equipment Condition:
Off Engine Task
1. Repair nicks, burrs, dents and pits on vanes (1)
by blend repairing not to exceed the following
limits.
a. Random nicks, dents or pits to 1/32-inch
maximum.
b. Diameter of defects shall not be greater than
1/8-inch with a minimum of 1/4-inch be-
tween defects.
c. Trailing edge nicks, dents or pits up to 3/32-
inch maximum depth. There shall be no more
than three per vane. There shall be no more
than 20 vanes with these defects. These de-
fects shalI be separated by not less than 3/16-
inch.
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