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3.
remove the three wedge shaped balanc-
ing weights from the rear wheel flange (see
figure 23).
Cap
Screw
figure 23. Balancing weights of the wheel
flange.
4.
insert the balancing arbor into the wheel
flange center, place the wheel on the balanc-
ing bars so that the arbor extends equally
over the bars, as shown in figure 22.
5.
rotate the wheel 90°, then release it. Allow
the wheel to rotate by itself and come to a
complete stop, then use chalk to mark the
top center of the wheel flange and install one
balancing weight at that point.
Note: The chalk mark is the point directly
opposite the heaviest part of the wheel at the
bottom.
6.
install the remaining two weights so that they
are an equal distance from the first weight
and each other, as shown in figure 23.
7.
repeat Step 4, then rotate the wheel 90°.
— if the wheel turns by itself after you rotate
it 90° on the bars, it is still out of balance.
Change the positions of the last two weights
installed in small increments until the wheel
no longer rotates on its own when placed
on the balancing bars.
-24-
When grinding, your safety depends, in a large
part, on the condition of the grinding wheel during
operation. A wheel in poor condition increases the
risk of it flying apart during operation and injuring
Balancing
the operator or causing property damage.
Weight
follow these rules to reduce the risk of break-
ing the wheel:
•
•
•
•
•
•
•
•
•
Wheel care
Always transport, store, and handle wheels
with care. Wheels could be damaged if they
are dropped or if heavy objects are stacked
on them.
Select the right grinding wheel for the job.
Attempting to use an external wheel for an
internal grinding operation, or vice versa, will
not work and will increase the risk of personal
injury and property damage.
Mount the wheels properly and make sure
they are secure on the grinder spindles.
do not abuse the wheel by jamming it into the
workpiece with excessive force or by allowing
the workpiece to become overly hot during
the operation.
do not store wheels in a location with extreme
temperatures that will damage the bonding
material.
replace the wheel when it becomes less
than
⁄
of its original diameter.
1
2
Use only the pulley and wheel mounting
hardware that is included with your grinder.
to ensure good grinding results, dress the
wheel before each use (refer to Wheel
Dressing on Page 26 for detailed instruc-
tions).
Always visually inspect each wheel, and
perform the ring test on the external wheel
before installing it (refer to Wheel Inspection
& Ring Test on Page 25 for detailed instruc-
tions).
Model g0688 (Mfg. Since 9/08)
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