Wheel Replacement
ALWAYS visually inspect and perform a “ring test” on a wheel before assembly. DO NOT use damaged wheels!
The wheel guard must be removed in order to mount or dismount a grinding wheel.
To replace a grinding wheel:
1.UNPLUG THE GRINDER!
2.Remove the wheel guard.
3.Use a wrench on the arbor nut. Hold the wheel from turning with your other hand. Note that the wheel on the
4.Remove the outer wheel flange and the paper disc. Pull the wheel free from the arbor. There will also be a paper disc and a wheel flange on the other side of the wheel.
5.Mount the new wheel as shown in Figure 7. Always make certain there is a paper or fiber disc between the wheel flanges and the wheel itself. Tighten the nut snugly but DO NOT
NEVER assemble a grinding wheel on the arbor without paper or fiber discs between the wheel and the flange. Not using the discs can put stress on the wheel, causing it to crack and possibly fall apart.
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Figure 7. Assembly order for wheel installation.
Arbor Nut
Figure 8. Nut removal/tightnening.
6.Re-install the wheel guard.
7.Run a new wheel for at least one minute while standing clear of the line of rotation. If a wheel does have defects it will generally fail within that time.
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