TM 55-1520-240-23-4
5-66.5
INSPECT TITANIUM NOSE CAP FOR UNBONDING
5-66.5
INITIAL SETUP
Applicable Configurations:
All
Tools:
Coin
Materials:
None
Personnel Required:
Inspector
Equipment Condition:
Battery Disconnect (Task 1-39)
Electrical Power Off
Hydraulic Power Off
NOTE
Position blade to be serviced over
fuselage. Tiedown one forward and
aft head to assure no rotation.
Procedure is to inspect the inner
10 inches and outer 54 inches
of the titanium cap for unbending.
Corresponding stations are 77 to 87
and 306 to 360.
1.
Coin tap inspect titanium cap in area (1), both
top and bottom, from sta. 77 to sta. 87. Total
void area of both top and bottom is not to exceed
90 square-inches and should be replaced if it
exceeds this requirement.
2.
Coin tap inspect titanium cap in areas (2 and 3)
from sta. 306.0 to 360.0.
a.
Voids shall not exceed 2 inches chordwise
nor 12 inches spanwise.
b.
Minimum distance between voids shall be 1.0
inch chordwise, 6 inches spanwise.
c.
Voids within minimum distance of each other
shall be considered one void.
5-327
