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Model H7757 3" Mini Wool Buffer-10-
The processes for grinding and buffing
with the H7757 are very similar.
To grind or buff:
1. Ensure all eye shields are in place and
that you are wearing the appropriate
safety gear.
2. With the machine plugged into power,
stand to the side of the machine, and
turn it ON.
3. Allow the machine to run for at least
one full minute to ensure that the
wheels are safe for use, then move to
the front of the machine.
4. Grasp the workpiece tightly and prop-
erly support it on the appropriate tool
rest.
5. Place the workpiece against the front
surface of the wheel with moderate
pressure, moving it back and forth in a
steady, even motion.
Note: Using too much pressure will
slow the motor and may damage the
wheel. Using too little pressure will
make the workpiece bounce around
and you will not make good contact
with the wheel.
6. After turning the buffer OFF, DO NOT
continue grinding or buffing and
DO NOT manually stop either wheel
with your workpiece!
Grinding and Buffing Wheel Care
Your safety largely depends on the con-
dition of the wheels during grinding or
buffing. A grinding wheel in poor condition
presents the possibility of breaking apart
during rotation and injuring the operator,
while a buffing wheel in poor condition
can tear apart and snag a workpiece,
potentially causing serious entanglement
injuries.
To properly care for your wheel, follow
these tips:
• Always transport, store and handle
wheels with care. Grinding wheels
may be damaged if they are dropped
or if heavy objects are stacked on
them.
• Select the right wheel for the job. DO
NOT grind or buff material that is not
designed for the wheel.
• Select the right wheel for the machine.
A machine that rotates at a higher
RPM than the wheel rating may cause
the wheel to break or tear apart.
• Mount the wheels properly. (See the
Replacing Wheels instructions on
Page 13 for guidance.) Never use a
wheel with the wrong arbor size for the
buffer.
• DO NOT abuse a wheel by jamming
the workpiece into the wheel with
excessive force.
• Learn how to use the buffer and the
grinding and buffing wheels properly.
Ask a trusted person with experience
or consult with your local library to
learn more.