7-7 REPLACE STUD (AVIM) (CONT)
Place gearbox assembl
y on workbench.
Best results will be obtained
by not milling completely
through lock ring.
Carefully align drill axes of stud
(1) and mill through lock ring.
Apply removal torque to stud (1).
As-stud thread flanks, bear against
lower surface of lock ring (2), con-
tinued torque will cause lock ring
(2) to be jacked out.
If lock ring has been milled
completely through and fails
to lift out with stud, the
portion remaining may be col-
lapsed with a punch and re-
Prior to assembly, all compo-
nents will be visually in-
spected for damage.
Clean and degrease all contact sur-
faces with 1,1,1-trichloroethane
(D41) and machinery towel (D20).
Using acid brush (D5), apply epoxy
primer (D30) to stud threads. Allow
to dry 1 to 5 minutes.