Sinclair Manual Grommet Machine PG20 - Manual (Page 4)

In order to adjust the grommet pressure.
- Insert grommet on die #3 as shown in figure 1 below. Make sure bottom of
grommet is up above bottom of top die. No washer is needed for 8mm
grommets. For 12mm grommets, insert washer on die #4 as shown in
figure 2.
- Do a test grommet with the material you are using,
- Slowly loosen #2 die to tighten grommet fit. Use ¼ turns or less at a time.
- Try to spin grommet in material. If grommet is loose, continue to bring die
#2 down until grommet is secure in material and won’t spin.
- When grommet tension is correct, tighten tension nut #1
FIG 1
FIG 2
Grommet
Washer