Porter-Cable OMNIJIG 55160 Instruction Manual page 41

3. TAILBOARD THICKNESS
The OMNIJIG ® is set to create the optimal tail
thickness when using 1/2" thick wood. Fig. E19
shows a representation of 1/2" wood with this
optimal tail thickness.
NOTE: For the fix below, be sure the template is
placed on the jig with the label "B TAILS" (DD) Fig.
E25 up and to the left.
USING TAILBOARDS THICKER THAN 1/2"
If your stock is thicker than 1/2" (and you do not
make this adjustment) you may end up with the
improper tail thickness shown in Fig. E20, which is
an example using 1" stock. The proper tails for 1"
thick wood should resemble the tailboard shown in
Fig. E21.
To fix the tails on thicker material, the template needs
to be brought forward so that the gap (AA) is about
1/8".
NOTE: In Fig. E24, (BB) is the front edge of the fingers
and (CC) is the front edge of the vertical board.
TO FIX: Loosen lock nut (Y) Fig. E25 and turn screw
gap (AA) Fig. E24.
USING TAILBOARDS THINNER THAN 1/2"
If your stock is thinner than 1/2" (and you do not make
this adjustment) you may end up with the improper
tail thickness shown in Fig. E22, which is an example
using 3/8" stock. The proper tails for 3/8" thick wood
should resemble the tailboard in Fig. E23.
To fix the tails on thinner material, the template needs
to be pushed back so that the gap (AA) is about
1/8".
NOTE: In Fig. E24, (BB) is the front edge of the fingers
and (CC) is the front edge of the vertical board.
TO FIX: Loosen lock nut (Y) Fig. E25 and turn screw
the gap (AA).
NOTE: Directions for improving the tail thickness are
also detailed on the "B Tails" label (DD).
RE-CUTTING THE BOARDS
After making the adjustment, the boards need to be
squared off and the joints re-cut.
NOTE: Be sure to replace the template (EE) Fig. E25
firmly against new stop positions before making the
router cut.
Fig. E19
Optimal tail thickness Poor tail thickness
for 1/2" wood for 1" wood
Y
Z
EE
Fig. E25
Fig. E20
Optimal tail thickness
for 1" wood
AA
BB
Fig. E24
DD
Fig. E21
CC
Fig. E22
Poor tail thickness
for 3/8" wood
Fig. E23
Optimal tail thickness
for 3/8" wood