TM 9-2350-222-20-1-5
GENERAL MAINTENANCE - Continued
Removal of Studs Broken Below Surface
TOOLS: Screw extractor set
Portable electric drill
Twist drill set
Hand oiler
Ball peen hammer
SUPPLIES: Penetrating oil (Item 42, Appendix D)
Rags (Item 65, Appendix D)
1.
Using penetrating oil (Item 42, Appendix D),
lube thread area (A).
2.
Choose right size guide (B) to fit hole (C).
Place guide (B) into hole (C).
3.
WARNING
S a f e t y glasses must be worn
when using drill to prevent injury
to eyes.
4.
Using electric drill with pilot twist drill,
drill stud through center of guide (B).
Take guide (B) out of hole (C).
5.
6.
Using electric drill with twist drill slightly
smaller than extractor, drill into stud (D).
NOTE
M a k e sure all metal chips are
r e m o v e d from hole (C) before
using extractor.
TA140832
