Model SB1023 | O P E R A T I O N | For Machines Mfg. Since 8/09 |
Removing & Installing Wheel & Hub
When the wheel has been ring tested, and dressed, the wheel and hub must be removed and balanced as an assembly. However, remember that overtightening or rotating the spindle bolt in the incorrect direction can damage threads, crack the grinding wheel, and make grinding wheel removal more difficult than it needs to be.
When removing and installing the hub onto the spindle or balancing arbor, keep in mind that the mating surfaces between these components have the single most important effect on your final balancing results. Hubs, spindles, and balancing arbors can be easily damaged during installation and removal. Just one grain of sand, small burr, or hidden ding in either mating surface will undermine all balancing results. Make sure that all mating surfaces are carefully stoned to establish a perfect fit.
NEVER pound on a hub or arbor for any reason. This will permanently displace metal and change high tolerance dimensions.
NEVER use a hydraulic press to install the balancing arbor or attempt to use a heat differential between parts to establish a shrink- fit. This will change high tolerance dimensions.
NEVER
ALWAYS make sure that all mating surfaces are immaculately cleaned before hub or arbor installation. Use a
To remove and reinstall the wheel and hub:
1.DISCONNECT MACHINE FROM POWER!
2.Place a sheet of plywood or similar on top of table to protect the table (Figure 20), and open the grinding wheel cover.
Figure 20. Protecting the table.
3.Position the spindle wrench on the spindle bolt (Figure 21).
Spindle
Bolt