TM 9-2320-363-34-2NOTEWhen removing rivets, be careful not to enlarge rivet holes. This will require useof an oversize or larger rivet for replacement.Solid Rivet Removal1.FILE FLAT SURFACE ON MANUFACTURED HEAD, IF ACCESSIBLE. IT IS ALWAYS PREFERABLETO WORK ON MANUFACTURED HEAD RATHER THAN HEAD THAT IS BUCKED OVER.MANUFACTURED HEAD WILL ALWAYS BE MORE SYMMETRICAL AROUND SHANK.2.INDENT CENTER OF FILED SURFACE WITH CENTER PUNCH.C A U T I O NUse drill slightly smaller than diameter of rivet shank to avoid making rivethole oversized.3.USING DRILL SLIGHTLY SMALLER THAN DIAMETER OF RIVET SHANK, DRILL THRU RIVETHEAD.4.SUPPORT BACK SIDE OF RIVET. USING SHARP CHISEL, CUT RIVET HEAD ALONG DIRECTIONOF RIVET LINE OR PANEL EDGE, TO PREVENT DISTORTION OF PANEL, AND SHEAR OFFWEAKENED RIVET HEAD.5.SUPPORT PANEL FROM OPPOSITE SIDE AND DRIVE OUT SHANK WITH PIN PUNCH. IF RIVETIS UNDULY TIGHT BECAUSE OF SWELLING BETWEEN SHEETS, DRILL RIVET SHANK OUT WITHUNDERSIZE DRILL.Blind Rivet Removal1.2.3.4.5.6.7.8.FILE SMALL FLAT ON RIVET HEAD.CENTER PUNCH FLAT. SUPPORT RIVET BACKSIDE, IF POSSIBLE.USING SMALL DRILL ABOUT THE SIZE OF RIVET PIN, DRILL OFF TAPERED END OF PIN WHICHFORMS LOCK.SHEAR LOCK USING PIN PUNCH TO DRIVE OUT PIN.PRY OUT REMAINDER OF LOCKING COLLAR.USING DRILL SLIGHTLY SMALLER THAN RIVET SHANK, DRILL ALMOST THRU RIVET HEAD.PRY OFF RIVET HEAD WITH PIN PUNCH.TAP OUT RIVET SHANK WITH PIN PUNCH.22-15
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