5-1 These instructions are based on the assumption that the
correct joint tightness and guide pin setting has been established
and that you are thoroughly familiar with the Jig’s use for single
joints.
5-2 Note: The maximum dimensions for double in line joints
are:
➀➁
Tenon Workpiece: 1
5
⁄16 x 5
1
⁄2"[34x140mm]
➂
Tenon:
1
⁄2 x 2"[12x50mm]
➃
Tenons, both Overall:
1
⁄2 x 4
1
⁄2"[12x115mm]
3
4
1
3
2
Double In Line Joints
Multiple Joints
Double In Line Joints
Twin Joints
Quadruple Joints
Triple Joints
m IMPORTANT SAFETY NOTE
Take great care to not “trap” the bit against the side of tenon
rails
➀
. Do not attempt to rout center tenons in rails thicker than
1
5
/16"[34mm] before referring to 5-39 through 5-44.
Without using the table movement as prescribed, the bit would
have to be plunged into the side of the tenon rail causing the bit
to powerfully “drive” the router across the jig. This could be
dangerous and can damage the jig.
Before using your Leigh FMT Pro you must
have completed all of the preparatory
steps including reading the router safety
recommendations on the previous pages.
If you haven’t done so, it is essential that
you do it now.
FMT PRO CHAPTER 5
MORTISE & TENON ROUTING PROCEDURES
31
1
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