INSPECT PITCH-VARYING SHAFTS (AVIM)
Fluorescent Penetrant Method
Aircraft Powertrain Repairer
Off Helicopter Task
Pitch-Varying Housing Removed (Task 5-22)
Procedure is same to inspect any
pitch-varying shaft on forward or aft
Acetone (E20) is extremely flammable.
It can be toxic. Avoid inhaling. Use
only with adequate ventilation. Avoid
contact with skin, eyes, or clothing.
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.
Remove finish from shaft (1) from area between
flange (2) and horizontal hinge pin barrel (3)
around both sides of shaft from oil tank (4) to
droop stop mounting bosses (5). Use acetone
(E20) and clean cloths (E120).