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Model H8124 7.2V Mini Grinder Kit-10-
Failure to wear ANSI approved safety
glasses while operating the grinder
could cause serious personal eye
injury.
Using the Grinder
Most operations performed with the Model
H8124 will give the best results at the high
speed setting. However, the low speed
setting is ideal when working with plastics
or other materials that melt easily.
Always test the bit and speed combination
on a scrap piece of material similar to the
workpiece. Trail and error is the best way
to determine the ideal setup.
To use the grinder:
1. Make sure the battery is charged and
properly inserted into the grinder.
2. Grasp the grinder with a secure grip.
3. Turn the grinder ON by moving the
switch to LO or HI.
—The grinder speed at the LO setting
is 8,000 RPM.
—The grinder speed at the HI setting is
16,000 RPM.
4. Ease the working end of the bit against
the workpiece with a light but steady
pressure.
5. To turn the grinder OFF, move the
switch to the OFF position.
Use the low speed setting to reduce
friction when working with plastics
or other materials with low melt-
ing points. Some materials can liq-
uefy from the heat of friction and be
thrown into the operator, causing
personal injury.
High Speed Uses
The high speed setting is best for gen-
eral carving, cutting, routing, and grinding.
The bit removes material more quickly at
higher speed.
Low Speed Uses
The lower speed setting is best for grind-
ing and cutting materials that have low
melting points. Plastics, in particular, often
melt from the heat of friction generated at
higher speeds. The low speed is also best
for polishing and buffing when using the
felt accessories included.
Daily Maintenance
These procedures should be done after
each use:
• Wipe the motor housing and tool bits
with a dry cloth, or blow off the dust and
debris with compressed air.
• Check for damage to bits, cords, hous-
ing, or other accessories.