REPAIR AFT ROTOR SHAFT
Dial Indicating Depth Gage 643J
Crocus Cloth (E122)
Medium Helicopter Repairer
Off Helicopter Task
Slider Shaft Removed (Task 6-53)
Remove nicks and scratches on rotor shaft with
crocus cloth (E122). Observe the following limits
on upper shaft (1) and lower shaft (2):
Limits for center section of shaft are
in step 3.
Blending shall not be more than 0.040 inch
Blending shall clear fasteners by a distance
at least equal to fastener diameter.
Blending shall not extend into a radius.
Blending shall not be done to splines (3 and
No blending is allowed on seal mating surface
Remove corrosion on splines (3 and 4) (TM