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SFG10E ELECTRIC SURFACE GRINDER — OPERATION AND PARTS MANUAL — REV. #2 (05/28/09) — PAGE 25
ASSEMBLY INSTRUCTIONS/OPERATIONS
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FOR MAXIMUM PROTECTION AGAINST A FAULT,
ALWAYS CONFIGURE THE GROUND FAULT CIRCUIT
INTERRUPTER TO BE PLUGGED INTO THE EXTEN-
SION CORD. A CONFIGURATION WITH THE GROUND
FAULT CIRCUIT INTERRUPTER PLACED BETWEEN
THE POWER SOURCE AND THE EXTENSION CORD
WILL NOT AFFORD MAXIMUM PROTECTION
AGAINST A POTENTIAL FAULT.
6) Couple the NEMA 6-20R receptacle and the NEMA 6-
20P plug together.
7) Grasp the operator handle with firm gripping. When
starting the electric motor, apply a down force directly
to the operator handle to help reduce the amount of
machine weight against the work surface. Turn the ON/
OFF switch to the ON position. Reduce the amount of
applied down force on the operator handle as the electric
motor attains its operational speed.
When operating on 115 VAC, the electric motor will
require additional starting time to help compensate for
the additional starting amperage requirement. This time
is usually within two seconds of activating the ON/OFF
switch.
8) The SFG10E SURFACE GRINDER is not equipped with
a centrifugal clutch assembly. The electric motor is
directly coupled to the multi-accessory disc by a V-
belt/spur gear transmission.
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AS SOON AS THE ELECTRIC MOTOR HAS STARTED,
THE OPERATOR MUST BE IN A POSITION TO
ASSUME DIRECT AND FULL CONTROL OF THE
SURFACE GRINDER. FAILURE TO ASSUME DIRECT
AND FULL CONTROL CAN RESULT IN PROPERTY
DAMAGE AND/OR PERSONAL INJURY.
9) The SFG10E SURFACE GRINDER is stopped by
moving the ON/OFF switch located on the operator
handle to the OFF position. For safety considerations,
it is also recommended that the extension cord be
disconnected from both the SURFACE GRINDER and
electric power source whenever the SURFACE
GRINDER is not in use on the job site.
OPERATING THE SURFACE GRINDER ON THE
JOBSITE
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THE GRINDING PROCESS PRODUCES EXCESSIVE
NOISE, VIBRATION AND FLYING DEBRIS. ALL
OPERATORS AND WORK PERSONNEL IN THE
VICINITY OF THE SURFACE GRINDER MUST WEAR
APPROPRIATE SAFETY EYE WEAR AND HEARING
PROTECTION DEVICES. OTHER SAFETY APPAREL
AND/OR PROCEDURES, DEEMED NECESSARY BY
SUPERVISORY PERSONNEL MUST ALSO BE WORN
AND/OR PRACTICED BY ALL APPROPRIATE
PERSONNEL.
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EXERCISE EXTREME CAUTION WHEN OPERATING
THE SURFACE GRINDER IN THE VICINITY OF DECK
INSERTS, PIPES, COLUMNS, OPENINGS, LARGE
CRACKS, UTILITY OUTLETS OR ANY OBJECT
PROTRUDING FROM THE SURFACE. CONTACT WITH
SUCH OBJECTS CAN LEAD TO LOSS OF MACHINE
CONTROL, RESULTING IN PROPERTY DAMAGE
AND/OR PERSONAL INJURY.
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ALWAYS MAINTAIN PROPER CONTROL OF THE
SURFACE GRINDER. IF AN OPERATOR LOSES CON-
TROL OF THE MACHINE, A “RUNAWAY” SURFACE
GRINDER CAN RESULT IN PROPERTY DAMAGE
AND/OR PERSONAL INJURY. BECAUSE OF THE
UNIQUE OPERATING CHARACTERISTICS OF THE
SURFACE GRINDER, THERE IS NO PROVISION FOR
THE ELECTRIC MOTOR TO AUTOMATICALLY STOP
IF THE OPERATOR FAILS TO MAINTAIN PROPER
CONTROL.
1) The SURFACE GRINDER incorporates a rotating disc
for mounting a wide variety of multi-accessory
attachments. Direct contact with a protruding
obstruction from the floor can result in rapid and jerky
directional movement of the machine. In most operating
situations, direct contact with such an obstruction will
result in the multi-accessory attachment becoming
dislodged from the rotating disc. This occurrence is
intended to protect the SURFACE GRINDER from
excessive damage and allow the operator to remain in
proper control of the machine.