Leigh FMT PRO, User Manual

Page: 57 / 74

Frame Mortise & Tenon Jig User Guide
53
Chapter 7
SPECIAL JOINTS
7-32
Move the table right to a position where the bit will clear
the end of the haunch
➀
while the guide pin is still on the straight
part of the guide
➁
.
Set the left hand
LR
limit stop to its post
➂
.
3
1
2
1
2
7-33
Move the table to the left again and if necessary, set a “guard”
piece in the guide recess
➀
to prevent routing around the right
end of the tenon
➁
. Rout the left end of the tenon (shaded area)
at full shoulder depth.
1
2
7-34
Move the guard to the left end of the recess. Move the
table right and rout the rest of the tenon “A” at full depth; the bit
prevented from rounding the haunch off at
➀
by the guide pin
against the guide side at
➁
.
1
2
1
2
7-35
Move the table left, remove the guard from the bit recess.
Depth: You will have to preset the plunge router depth-of-cut
rod and turret so that the routed haunch
exactly equals the depth
of the haunch recess
➀
. Use the scrap test tenons to achieve this
setting by measurement and a little trial and error. Now rout
completely around the actual tenon.
1
1
7-36
Tenons “B” on the other end are routed with the procedure
reversed.
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