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CAUTION
Operating the SURFACE GRINDER from a power
source of improper voltage and amperage will
result in un-repairable damage to the electric
motor and related controls.
FIGURE 31
4) Providing proper voltage and amperage levels to
the electric motor is essential to obtain
maximum productivity and service life. Low
voltage and amperage levels will cause the
motor to overheat. The motor is equipped with
automatic thermal protection device that will stop
it before major internal damage can result. After
the motor has cooled to an acceptable
temperature level, the switch must be manually
activated to restart. FIGURE 32.
FIGURE 32
To minimize the voltage drop to the motor, all
extension cords should be copper stranded, 8
AWG or larger. A NEMA 6-20R twist-lock type
receptacle is provided with the DFG/E Series
DFG-SERIES SURFACE GRINDERS
ASSEMBLY INSTRUCTIONS/OPERATIONS
FIGURE 33
PROPERLY INSPECT ALL EXTENSION CORDS
AND WIRING DEVICES FOR STRUCTURAL
INTEGRITY. DO NOT UTILIZE A CORD WITH A
WORN OR CUT OUTER JACKET MATERIAL. DO
NOT UTILIZE A CORD WITH EXPOSED INNER
WIRES OR INSULATION MATERIAL. DO NOT
UTILIZE A CORD THAT HAS BEEN REPAIRED
WITH ELECTRICAL TAPE. USE OF A AN
EXTENSION CORD OF IMPROPER STRUCTURAL
INTEGRITY
DAMAGE AND/OR PERSONAL INJURY.
ALL ELECTRICAL WIRING MUST BE INSTALLED
AND/OR
LOCAL ELECTRICAL CODES AND PRACTICES.
AN IMPROPER WIRING INSTALLATION CAN
RESULT
PERSONAL INJURY.
5) Determine that the power outlet to be utilized is
OPERATION AND PARTS MANUAL REV #4 (05/28/09)
SURFACE GRINDER as a standard accessory.
The twist clock feature allows the extension cord
to be pulled by the SURFACE GRINDER without
becoming detached.
Wire the NEMA 6-20R
receptacle to the appropriate extension cord that
will be coupled to the NEMA 6-20P plug
provided on the SURFACE GRINDER. FIGURE
33.
DANGER
CAN
RESULT
DANGER
APPROVED IN
IN
PROPERTY
properly grounded. This can be accomplished
with proper testing equipment and procedures. If
there are any questions regarding the suitability
of a specific power outlet, contact the Customer
Service Department for assistance BEFORE
IN
PROPERTY
ACCORDANCE
TO
DAMAGE
AND/OR
PAGE 31
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