2-14. OPERATING PROCEDURES FOR GROMMET PRESS.
a. Punching Holes.
Use a hammer and a punch to punch holes through the material or cloth for insertion of the snap
fastener parts. A flat piece of wood placed under the cloth will provide the solid surface needed in
using the punch.
b. Selecting Chucks and Dies.
Select the proper chuck and die to fit the particular snap fastener set being used.
c. Inserting Chucks and Dies. Perform the following:
All chucks and dies are inserted in same manner.
(1) Installing Chuck.
(a) Loosen chuck setscrew (1) in plunger (2).
(b) Insert chuck (3) all the way into plunger (2) with the flat side of the chuck shaft facing
setscrew (1). Tighten the setscrew (1).
When the flat side of the chuck is facing setscrew (1), the numerals on the chuck
will face the operator.
(2) Installing Die.
(a) Loosen die setscrew (4) in the lower part of grommet press (6).
(b) Drop die (5) into position with the flat side of the die toward or facing setscrew (4).
When flat side of the die shaft is facing the setscrew, the numerals on the die will
face the operator.
(c) Tighten die setscrew (4) securely.