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23
Trouble Probable Cause Remedy
Machine will not
start/restart or
repeatedly trips
circuit breakers or
blows fuses.
(continued)
On/off switch failure. If the on/off switch is suspect, you have two
options: Have a qualified electrician test the switch
for function, or purchase a new on/off switch and
establish if that was the problem on changeout.
Cutter in wrong position. Turn cutter towards the (+) or (-) mark [page 17].
Cutter not cutting
properly.
Cutter dull or damaged. Sharpen or replace cutter.
Dovetailed parts fit
too tightly.
Cutter not adjusted
properly.
Loosen set screws and turn cutter toward the (+)
mark. Retighten set screws [page 17].
Dovetailed parts fit
too loosely.
Cutter not adjusted
properly.
Loosen set screws and turn cutter toward the (-)
mark. Retighten set screws [page 17].
Cutter sometimes
slips and misses
revolutions.
Spindle belt tension
incorrect.
Adjust spindle belt tension [page 18].
Dovetailed parts fit
side to side, but
have depth gaps
between the
mortise and tenon
cuts.
The mortise depth or tenon
thickness is set incorrectly.
Change depth of mortise cut or thickness of tenon
cut by using the adjustment screw [pages 16 & 17].
A gap between
mortise and tenon
cuts increases
along the
dovetailed corner.
Boards not square when
clamped.
Make sure the initial cuts on the board (ripping
and/or crosscutting) have been done squarely, and
that the board is flush against the stop before
clamping.
Side piece edge is
not aligned with
front/back piece
edge.
Fences not set correctly. Offset the vertical fence from the horizontal fence
by half the pitch of the cut.
Workpiece slips
during the cut.
Clamping bar not properly
adjusted for thickness of
workpiece.
Position clamping bar according to workpiece
thickness. Make sure both ends of clamping bar
have been adjusted equally.
Replacement Parts
Replacement parts are listed on the following pages. To order parts or reach our service department, call
1-800-274-6848, Monday through Friday (see our website for business hours, www.powermatic.com).
Having the Model Number and Serial Number of your machine available when you call will allow us to
serve you quickly and accurately.