REPLACE LOCKED-IN STUD (AVIM) (Continued)

TM 55-1520-240-23-1 1-15 REPLACE LOCKED-IN STUD (AVIM) (Continued) 1-15 14. Turn and remove stud (2) and remaining part of lock ring (4) from housing (1). Use screw extractor in pilot hole (7). NOTE As stud comes out, it will lift out remaining lock ring. If it does not, use punch to collapse and remove remaining ring. INSTALL STUD When cleaning with compressed air, debris thrown by pressure can injure eyes. Do not use pressure over 30 psi. Wear eye protection. 15. Clean any debris from hole (7) in housing (1). Use low-pressure compressed air. Stud can be damaged if not installed to correct depth. NOTE Install same size stud as removed. 16. Coat flange (6) and large thread of stud (2) with primer (E292.1). Wear gloves (E184.1). 17. Install stud (2). Use special wrench (8). Make sure top of flange (6) is 0.010 to 0.020 inch below surface of housing (1). 1-25