TM 55-2835-209-23
Section XVI REPAIR -HAND FINISH TURBINE NOZZLE VANES
3-16 REPAIR - HAND FINISH TURBINE NOZZLE VANES (AVIM)
INITIAL SETUP
Tools:
Materials/Parts:
Round File
Crocus Cloth (D1OA)
Safety Glasses
Equipment Conditions:
Personnel Required:
Turbine Nozzle Removed From APU
68B Aircraft Powerplant Repairer
NOTE
Material loss due to damage or
finishing shall not exceed
0.125 inch on leading edge or
0.130 inch on trailing edge of
vanes.
When cracks or feathering re-
quires removal of material
from 0.060 to 0.130 inch deep
on trailing edge of vanes, all
vanes shall be cut back an
identical amount.
Cracks or feathering not more
than 0.060 inch on trailing
edge of vanes, blend the dam-
aged area to conform to adja-
cent material.
Cracks or feathering not more
than 0.125 inch on leading
edge of vanes, blend to con-
tour.
1.
Using round file, hand finish tur-
bine nozzle leading edge (reference
B or trailing edge (reference C)
vanes.
2.
Smooth out minor surface burrs, pit-
tinq or scratches with crocus cloth
(D1OA).
FOLLOW-ON MAINTENANCE: None.
DETAIL A
I-66A-175
Change 1
3-43
