Alternative Method - Through-Dovetails With Unlimited Board Width - Porter-Cable 4216 Instruction Manual

Step 7 -
Unclamp the template, slide it down, and center the last cut between the two angled fingers and reclamp
(Fig. 11D).
Step 8 -
Repeat STEPS 6 and 7 until the pins are cut across the entire board.
Step 9 -
Remove the pin board and check the fit with the tailboard.
FITTING THE JOINT
Fitting the joint is identical to the previous section (Fig. 12A).
ALTERNATE METHOD
THROUGH-DOVETAILS WITH UNLIMITED BOARD WIDTH
This alternate method may be more accurate for correctly cutting the tail and pin boards.
Step 1 -
Clamp the tail and pin boards together with a 2" wide block (Fig. 13A).
Step 2 -
Use a square to align an edge of the tail and pin boards (Fig. 13B).
Step 3 -
Cut the pins and the tails as far as the template will allow (Fig. 13C).
Step 4 -
Slide the template, aligning the last cut in between the fingers of the template (Fig. 13D).
Step 5 - Repeat STEPS 3 and 4 until both boards are completely cut.
Fig. 11D
Fig. 13A
Fig. 13C
10
Fig. 12A
Fig. 13B
Fig. 13D