TM 55-1520-240-23-11-15REPLACE LOCKED-IN STUD (AVIM)(Continued)1-153.Measure and record thickness of replacementlock ring (4).4.Position removal tool (3) over stud (2) andagainst lock ring (4).Do not operate removal tool above700 rpm. Make sure tool is againstlock ring before operating. Otherwise,personal injury could result. If 700rpm drill is not available, go to step 9.NOTEInterlock area need not be cut awayto full depth. Three-quarters depthis enough.5.Cutaway interlock area (5) between stud flange(6) and lock ring (4) with tool (3). Do not drilldeeper than lock ring thickness recorded in step3. Use several light cuts. Pull back tool betweencuts to clear chips and check depth.6.Turn and remove stud (2) and remaining part oflock ring (4) from housing (1). Use plier wrench.NOTEAs stud comes out, it will lift outremaining lock ring. If it does not,use punch to collapse and removeremaining part of ring.7.Remove tool (3) from drill or drill press.8.Go to step 15.1-23
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