Porter-Cable 4210 Instruction Manual page 21

Step 1 -
Make a climb cut from right to left.
Step 2 -
Cut only between the fingers where you want the pins to be (Fig. 34A).
Step 3 -
Use the router to round over the ends of the cuts (Fig. 34B).
Step 4 -
The joint will hide any accidental excess material cut (A) Fig. 34C.
Step 5 -
Use a pencil to mark the location of the ends of the templet fingers on the wood (Fig. 34D).
Step 6 -
Remove the templet. Install the half-blind templet so that its straight edge is facing you.
Step 7 -
Adjust the template back and forth to align the edge of the template with the marks on the wood(B) Fig.
34E.
Step 8 - Make a cut from left to right removing the remainder of the excess material (Fig. 34F).
CUTTING THE PINS
Step 1 -
Cut the tails. Clean out all of the areas between the fingers(Fig. 35A).
Step 2 -
Use a pencil to mark the location of the half-circle between the fingers of the templates (C) Fig. 35B.
Step 3 -
Remove the pin board and hold it next to the tail board.
Fig. 34A
Fig. 34D
Fig. 35A
Fig. 34B
B
Fig. 34E
C
Fig. 35B
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A
Fig. 34C
Fig. 34F
Fig. 35C