2-53. REPLACEMENT OF THREADED SCREW INSERTS. Continued
Prewinder (4) and insert (5)
Tang breakoff tool (7)
Loosen stop collar (6) with hex
If insert is used with a captive
wrench. Extend threaded shaft
screw, set prewinder with an
beyond end of prewinder one
extra 2 to 3 mm length.
thread longer than insert. Move
stop collar to top of tool body
and tighten. Retract threaded
shaft. Place insert in prewinder
with tang end toward prewinder
tip. Rotate shaft until insert pro-
jects beyond tip one full turn.
Place tip in hole. Screw insert
into hole until stop collar touches
tool body. Retract prewinder.
Place on tang. Break off tang by
pressing down on tool. Remove
tang breakoff tool. Remove
broken tang from hole.
Figure 2-19. Threaded Screw Insert Replacement.