TM 55-1520-240-23-4
5-82.1
ADJUST BLADE BALANCE WEIGHTS
(Continued)
5-82.1
5.
Find span balance weight correction for titanium
nose cap crack repair (Task 5-66.2) as follows:
a.
Measure distance in inches from tip of
blade to center of repair doubler. Record
measurement.
b.
Subtract measurement obtained in step a
from 360. The difference is the blade station
of repair. Record blade station.
c.
At bottom of chart 5, find blade station of
repair.
d.
Move up blade station line to intersect
diagonal line on chart 5.
e.
Move across chart to left edge to find amount
of weight to remove from forward fitting.
Example shows repair centered at blade
station 235. Repair requires 1.15 inches
of span weight to be removed from forward
fitting.
f.
Record span weight correction from chart
5. Go to step 6.
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