5
Motor Specifications and Electrical Requirements (continued)
If the grounding instructions are not completely under-
stood, or if you are in doubt as to whether the tool is prop-
erly grounded check with a qualified electrician or service
personnel.
WARNING: If not properly grounded, this tool can
cause an electrical shock, particularly when used
in damp locations, in proximity to plumbing, or out
of doors. If an electrical shock occurs there is the
potential of a secondary hazard, such as your
hands to hit the cutting tool.
NOTE: The adapter illustrated is for use only if you already
have a properly grounded 2-prong outlet.
NOTE: In Canada the use of a temporary adapter is not
permitted by the Canadian Electrical Code.
Motor Safety Protection
IMPORTANT: To avoid motor damage, this motor should
be blown out or vacuumed frequently to keep sawdust
from interfering with normal motor ventilation.
1. Connect this tool to a power source with the appropri-
ate voltage for your model and a 15-amp branch circuit
with a 15-amp time delay fuse or circuit breaker. Using
the wrong size fuse can damage the motor.
2. If the motor won’t start, turn the switch off immediately
and unplug the tool. Check the quill to make sure it
turns freely. If the quill is free, try to start the motor
again. If the motor still does not start, refer to the
"Motor Troubleshooting Chart."
3. Fuses may "blow" or circuit breakers may trip fre-
quently if:
a. Motor Is Overloaded-Overloading can occur if you
feed too rapidly or make too many start/stops in a
short time.
b. Line voltages should not be more than 10% above
or below the nameplate voltage. For heavy loads,
however, the voltage at motor terminals must equal
the voltage specified for your model.
4. Most motor troubles may be traced to loose or incor-
rect connections, overload, low voltage (such as small
size wire in the supply circuit) or to overly long supply
circuit wire. Always check the connections, the load
and the supply circuit whenever motor doesn’t work
well. Check wire sizes and length with the Wire Size
Chart shown.
Wire Sizes
NOTE: Make sure the proper extension cord is used and
is in good condition.
The use of any extension cord will cause some loss of
power. To keep this to a minimum and to prevent over-
heating and motor burnout, use the table at right to deter-
mine the minimum wire size (A.W.G.) extension cord.
Use only 3-wire extension cords which have 3-prong
grounding type plugs and 3-pole receptacles which
accept the tools plug.
Properly
Grounded
Outlet
3-Prong Plug
Grounding
Prong
Grounding Lug
3-Prong
Adapter
2-Prong
Outlet
Make sure this
Is Connected
Ground
Plug
Green
to a Known
Extension Cord
Length
Gauge
(A.W.G.)
0-25
25-50
51-100
16
14
12
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