TM 55-1520-240-23-4
5-21.2
INSPECT PITCH-VARYING SHAFTS (AVIM)
(Continued)
5-21.2
INSPECT SHAFT
2.
Fluorescent inspect cleaned area to check for
cracks. (Refer to TM 1-1500-335-23.) There
shall be no cracks. If a crack is suspected, refer
to TM 1-1520-253-23.
Lacquer (E213) is extremely
flammable. It can be toxic. Keep away
from heat, sparks, or open flame. In
case of contact, immediately flush
skin or eyes with water for at least
15 minutes. Get medical attention
for eyes.
3.
If no cracks are found, remove inspection
coating. (Refer to TM 1-1500-335-23.) Apply
clear lacquer (E213) to cleaned area.
4.
Check shaft (1) for scores, nicks, or gouges.
Damage shall not be over 0.005 inch deep or
2.5 inches long. Direction of scores shall not be
more than a 20º angle from shaft centerline.
FOLLOW-ON MAINTENANCE:
Install pitch-varying housing (Task 5-23).
END OF TASK
5-108
