TM 10-4610-239-24
TM 08580B-24/3
(2)
Removing damaged helical coil insert.
NOTE
All sizes for tools and helicoils depend on original helicoil size.
CAUTION
Do not damage threads of tapped hole when using extraction tool.
Remove inserts from end of tapped hole that the insert is closest to.
Threads in tapped hole can be damaged.
(a)
Place extraction tool (1) in insert (2). Tap top of extraction tool.
(b)
Maintaining steady downward pressure, turn tool (1) to the left. Remove insert (2).
(c)
If insert (2) does not come out of tapped hole, go to step (d). If insert does come out of tapped hole, go
to step (h).
(d)
Insert scribe (3) between end of insert (2) and tapped hole.
(e)
Work end of insert (2) away from tapped hole and form a tang equal in length to diameter of insert.
2-59
