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11
Table 1 shows the correct size to use depending
on cord length and nameplate ampere rating. If in
doubt, use the next heavier gage. The smaller the
gage number (AWG), the heavier the cord.
Ampere
Rating
Volts
Total length of
cord in feet
More
Than
Not
More
Than
120
240
25
50
50
100
100
200
150
300
AWG
0 6 18 16 16 14
6 10 18 16 14 12
10 12 16 16 14 12
12 16 14 12
Not
Recommended
Extension Cord Recommendations
Table 1
6.3 Voltage conversion
To change voltage input to 230-volt on the IBG-
8VS Grinder, remove existing plug from grinder
cable and attach a UL/CSA listed plug designed for
230V power.
7.0 Operation
Always use approved safety
glasses or face shield while operating grinder.
Failure to comply may cause serious injury.
A bench grinder is designed for hand-grinding
operations such as sharpening chisels,
screwdrivers, drill bits, removing excess metal, and
smoothing metal surfaces.
A Medium Grain Abrasive Grinding Wheel is
suitable for rough grinding where a considerable
amount of metal must be removed or when
obtaining a smooth finish is not important.
A Fine Grain Abrasive Grinding Wheel should be
used for sharpening tools or grinding to close size
tolerances because it removes metal more
gradually for precision grinding and achieves a
smoother finish.
7.1 Operating controls
Press on/off button on keypad (Figure 7-1) to start
or stop. Press any of the numbered buttons to start
machine at the designated speed. Press arrow
buttons to change rotation speed in 100 RPM
increments.
The digital readout displays RPM (revolutions per
minute), and will flash briefly during start up and
speed adjustments.
The grinder will automatically shut off after 10
minutes of inactivity.
When OFF button is pushed,
the wheels may take a few moments to
completely stop.
Note: After extended operation, the grinder
housing may be warm to the touch.
Figure 7-1: keypad
7.2 Precautions
1. Before starting the grinder, turn the wheels by
hand to verify that they are clear of
obstructions and turn freely. The tool rests and
spark guards should not touch the wheel.
2. Keep tool rests and spark guards to within
1/16" of the grinding wheel.
3. Turn on the grinder and allow it to reach full
running speed before starting to grind.
4. Adjust the eye shields as needed.
5. Keep a steady, moderate pressure on the
workpiece and keep it moving at an even pace
for smooth grinding. Pressing too hard
overheats the motor and prematurely wears
the grinding wheels. Note the original bevel
angle on the item to be sharpened and try to
maintain the same shape. The grinding wheel
should rotate into the object being sharpened.
6. If grinding a narrow workpiece, slide it laterally
across the width of the wheel. Using the full
width of the wheel will help prevent a groove
forming at one place on the wheel.
7. Keep a water pot filled with water and dip your
work into it regularly to prevent overheating.
Overheating can weaken metals. Do not apply
water directly to the grinding wheels.
8. Do not use the side of the grinding wheel; this
puts dangerous stress on the wheel.
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