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Setting the Fence Height
The height of the fence needs to be adjusted depending
on the type of joint being made and the thickness of the
material being joined. Refer to the Applications section
beginning on page 13 for more information about the
optimal fence height for the specific application. There
are two features available for setting the fence height;
the height gauge and the board thickness gauge.
Height Gauge: The height gauge shows the distance
between the bottom of the fence face and the centerline
of the mortising bit. Use this gauge to set the mortise
height relative to the surface of the workpiece.
Board Thickness Gauge: The numbers printed on the
gauge represent the thickness of the workpiece (in mm)
and the mortise height will be centered in the
workpiece. Use this gauge for setting the fence height
based on the thickness of the workpiece without
needing to calculate the center distance. Do not use the
board thickness gauge for mitered joints, because this
will place the mortise too close to the edge of the joint.
1. Loosen the fence height locking lever by turning it
¼-turn counterclockwise.
2. To use the board thickness gauge:
a. Raise the fence above the board thickness
gauge.
b. Slide the gauge in or out until the thickness of
the workpiece (in mm) is shown in the window.
c. Lower the fence down until it touches the
gauge.
d. Tighten the locking lever.
3. To use the height gauge:
a. Make sure the board thickness gauge is retracted out of
the way.
b. Raise or lower the fence until the pointer is pointing to
the desired height on the gauge.
c. Tighten the locking lever.
Setting the Mortise Width
The width of the mortise slot can be increased to permit some
side-to-side flexibility in the tenon position. In the standard
(smallest) position, the Domino tenon will fit snugly into the
mortise slot. In the middle position, the mortise slot will be
6 mm wider than the Domino tenon. In the widest position the
mortise slot will be 10 mm wider than the Domino tenon.
8 Domino DF 500 Tenon Joiner
Important Notes
► Never force the dial to turn.
► Rotate the adjustment dial only when the motor is running.
► Never rotate the dial during a plunging operation. This can
bend or break the mortising bit, and can also damage the
machine.