TM 5-5420-227-24
GEN ERAL M AI N T EN AN CE -Cont inue d
Re m ova l of St uds Brok e n Be low Surfa c e (She e t 1 of 3 )
TOOLS: Screw extractor set
Portable electric drill
Twist drill set
Hand oiler
Ball peen hammer
SUPPLIES: Penetrating oil (Item 9, Appendix D)
Clean rags (Item 12, Appendix D)
1.
Using penetrating oil, lube thread area (A).
2.
Choose right size guide (B) to fit hole (C).
3.
Place guide (B) into hole (C).
WARN I N G
Sa fe t y gla sse s m u s t be w o r n
w he n using drill t o pre ve nt injury
t o e ye s.
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).
N OT E
M a k e sure a ll m e t a l c hips a re
re m ove d from hole (C) be fore
using e x t ra c t or.
Go on to Sheet 2
C-14
