TM 9-2320-289-349-4.FRAME REPAIR (Con’t).b.LOOSE RIVET REPLACEMENTUse only effective chip(goggles/shield, gloves,WARNINGguarding and personnel protective equipmentetc.) when using drill. Failure to follow thiswarning may result in injury to personnel,CAUTIONlllWelding is not an approved or acceptable alternate method of repair forany rivet attachment on frame. Only use the following procedure,Failure to follow this caution may result in damage to frame assembly.Use only SAE Grade 8 bolts and nuts to replace rivets. Failure to followthis caution may result in weak frame attachments.Rivets should be removed with rivet buster (NSN 5100-00-293-0556).DO NOT use an ordinary chisel for this purpose. Failure to follow thiscaution will elongate rivet hole and cause any future bolting to beseriously weakened.NOTEWhen bolt is used to replace rivet on top or bottom flange of side rail, boltmust be installed from top down.1 .Remove rivet by shearing rivet head with rivet buster. Remove rest of rivet body from rivet holeusing drift punch and hammer.2 .Using appropriate electric drill and 7/16 in. drill bit, drill out existing hole.3 .Install a 7/16 in. -14 appropriate length hex head bolt, 7/16 in. “HEAVY” classification Iockwasher,and 7/16 in. hex nut.4 .Tighten hex nut to 55-65 lb. -ft. (75-88 N.m).c .DAMAGED BRACKET REPLACEMENTWARNINGUse only effective chip guarding and personnel protective equipment(goggles/shield, gloves, etc.) when using drill.warning may result in injury to personnel.llCAUTIONUse only SAE Grade 8 bolts and nuts to replaceFailure to follow thisrivets. Failure to followthis caution may result in weak frame attachments.Rivets should be removed with rivet buster (NSN 5100-00-293-0556),DO NOT use an ordinary chisel for this purpose. Failure to follow thiscaution will elongate rivet hole and cause any future bolting to beseriously weakened.9-8
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