TM 9-2320-363-34-2
NOTE
When removing rivets, be careful not to enlarge rivet holes. This will require use
of an oversize or larger rivet for replacement.
Solid Rivet Removal
1.
FILE FLAT SURFACE ON MANUFACTURED HEAD, IF ACCESSIBLE. IT IS ALWAYS PREFERABLE
TO 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 N
Use drill slightly smaller than diameter of rivet shank to avoid making rivet
hole oversized.
3.
USING DRILL SLIGHTLY SMALLER THAN DIAMETER OF RIVET SHANK, DRILL THRU RIVET
HEAD.
4.
SUPPORT BACK SIDE OF RIVET. USING SHARP CHISEL, CUT RIVET HEAD ALONG DIRECTION
OF RIVET LINE OR PANEL EDGE, TO PREVENT DISTORTION OF PANEL, AND SHEAR OFF
WEAKENED RIVET HEAD.
5.
SUPPORT PANEL FROM OPPOSITE SIDE AND DRIVE OUT SHANK WITH PIN PUNCH. IF RIVET
IS UNDULY TIGHT BECAUSE OF SWELLING BETWEEN SHEETS, DRILL RIVET SHANK OUT WITH
UNDERSIZE DRILL.
Blind Rivet Removal
1.
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 WHICH
FORMS 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