TM55-2840-251-23
3-2 INNER (SMALL) EXIT DUCT, SHROUD AND VANE ASSEMBLY (AVIM) (Continued)
3-2-4 REPAIR (Cont)
2. Replace shank nuts on inner (small) exit duct as
follows:
a. Drill out flared portion of shank nut (23).
b. Punch out nut.
c. Insert replacement shank nut.
d. Lubricate with engine Lubricating Oil (E.2) and
install Spreader (T.46)(24).
e. Screw in Spreader (T.46) (24) until flare is
secure.
f. Inspect.
3-2-5 ASSEMBLE
1. Select vanes as follows:
NOTE
If replacement vanes are to be installed, it is
desirable that replacements be of the same
class as original vanes. If the original class
is not known, the following general rules will
apply.
a. Classes 9 thru 14 vanes are to be installed.
Determine class average by adding together class
markings of all vanes and dividing the total by 29, which is
the number of blades.
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