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-6- G5963 Surface Grinder
We do not recommend the use of extension
cords on 220V equipment. It is much better to
arrange the placement of your equipment and the
installed wiring to eliminate the need for exten-
sion cords. Should it be necessary to use an
extension when operating at 110V, make sure the
cord is rated Hard Service (grade S) or better.
Refer to the chart in Section 1: Safety Instructions
to determine the minimum gauge for the exten-
sion cord. The extension cord must also contain
a ground wire and plug pin. Always repair or
replace extension cords when they become worn
or damaged.
Extension Cords
This equipment must be grounded. Please
ensure that this machine is continuously
grounded from the motor to the machine frame
and then to a known ground. Verify that any
existing electrical outlet and circuit you intend
to plug into is actually grounded. If it is not, it
will be necessary to run a separate 12 A.W.G.
copper grounding wire from the outlet to a
known ground. Under no circumstances should
the grounding pin from any three-pronged plug
be removed. Serious personal injury may
occur.
We have covered some basic electrical
requirements for the safe operation of your
Surface Grinder. These requirements are not
necessarily comprehensive. You must be sure
that your particular electrical configuration
complies with local and state codes. Ensure
compliance by checking with your local munic-
ipality or a licensed electrician.
Grounding
In the event of an electrical short, grounding
reduces the risk of electric shock by providing a
path of least resistance to disperse electric cur-
rent. This tool is equipped with a power cord hav-
ing an equipment-grounding conductor. See
Figure 1 and 2. The outlet must be properly
installed and grounded in accordance with all
local codes and ordinances.
Check Motor Rotation
After the machine is assembled and properly
connected to electrical power, test the motor rota-
tion. Cycle the machine on and observe the rota-
tion of the grinding wheel. Make sure it rotates in
the direction indicated by the arrow on the wheel
guard. If it does not, the wiring may not be prop-
erly connected at the motor. Disconnect from the
power source, and check that the motor wiring
agrees with the wiring diagram provided in this
manual. Make necessary adjustments, close the
motor cover, reconnect to power, and test again.