DIRECT SUPPORT MAINTENANCE-GENERAL RIVET REMOVAL AND INSTALLATION
Open end rivets may be used only where moisture and dirt
intrusion will not affect the shelter.
When installing new rivets in the same location as a rivet
that has been removed, if diameter of hole in structure has
been enlarged during removal of rivet, use next larger
diameter rivet for replacement. Clean rivets with solvent
Determine type, size, and grip range of rivet to be used. Grip length equals the combined thickness
of the materials being riveted together. Grip range of the rivet must encompass the grip length.
Drilling creates metal chips which may enter eyes and
cause serious injury. Eye protection is required.
Make sure drill bit has a stop attached which will prohibit
the drill from exceeding a depth of one inch.
Drill hole size must match the side of the rivet being used.
Quantities of sheets may be drilled at the same time when
held together with steel fasteners.
a. Drill hole in structure.
b. Remove all metal chips and burrs from drilled holes.
If flush head rivet is being installed, countersink hole using a 100-degree machine
d. Coat all rivet bodies with fiber polyester resin (WP 0044, Table 1, Item 10) before installing.
e. Insert rivet in hole. Make sure sheets are held tightly together before upsetting or pulling
Select proper pulling head for rivet being installed and install pulling head on rivet gun.
g. Insert stem of rivet into pulling head.
h. With pulling head parallel to axis of rivet, upset rivet. Exert firm pressure but do not bend or
buckle metal sheets. Stem will break off below rivet head surface. No trimming should be
Make sure riveted parts are not loose, rivet does not rotate, and rivet head is seated tightly
against riveted surface. If rivet is loose or improperly installed, remove the rivet and repeat
steps (a) through (i).
Reapply external sealant.