TM 10-1670-201-23
T.O. 13C-1-41
NAVAIR 13-1-17
clinch the two snap fastener components to the material.
2. Hand- or foot-operated press
(f) Remove the clinched snap fastener
method. Installation of a lift-the-dot snap fastener
components from the chuck and die set and check the
assembly by hand- or foot-operated press may be
seating of the joined components. If the applicable
accomplished using the procedures in paragraph I
components are not properly seated, repeat the
above, except the chuck and die will be secured within
procedure in (e) above.
the applicable press assembly using the available
locking screws.
(g) Check the engagement of the
3-33. Grommets.
installed snap fastener components with the opposite
A grommet is a two-piece metal eyelet used to reinforce
mating components to insure the open and closed
and protect textile material at a point where a hole has
snapping process cannot be accomplished without
been made to permit the threading of a line, cord,
hinderance. If the snap engaging process cannot be
webbing or the insertion of a retainer device. The three
accomplished without difficulty, replace the opposite
types of grommets used on airdrop equipment are the
mating snap fastener components using the procedures
flat (A, fig. 3-41), plain (B , and spur (C), each of which
in (a) through (f) above.
is installed with an applicable type washer. Repair or
NOTE
replace a defective grommet using the following
A lift-the-dot snap fastener assembly
procedures, as appropriate.
will open and close from only one
direction.
(h) As required, remove the chuck and
die from the applicable snap fastener tools by reversing
the procedures in (b) above.
3-59
