TM 1-1520-238-23
6-15
6.2.
ENGINE INPUT DRIVE SHAFT AND OUTER DIFFUSER (ONE-PIECE)
REMOVAL/INSTALLATION
6.2.4. Cleaning
a. Clean removed and attaching parts or surfaces (para 1.47).
6.2.5. Inspection
NOTE
Unless otherwise specified, following inspection procedures apply to engine input drive shaft, outer
diffuser, couplings, and coupling flanges.
a. Check for cracks (para 6.1).
b. Check for corrosion (para 1.49).
c. Check for nicks, scratches, and dents (para 6.1).
d. Check couplings for compression or stretching (para 6.1).
e. Check coupling flanges for elongated bolt holes (para 6.1).
f. Check diffuser for loose or missing dowel pins. None allowed.
(1) Replace diffuser.
g. Check diaphragms for cracks, nicks, scratches, dents, and distortion. None allowed.
h. Check coupling flanges for peeling or erosion of aluminum bronze coating (para 6.1).
i. Check drive shaft and coupling nutplates for stripped, crossed, or flattened threads (para 6.1).
j. Check drive shaft and coupling for loose rivets and for any other evidence of damage (para 6.1).
GO TO NEXT PAGE
