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For Machines Mfg. Since 8/09 Model SB1029
-27-
OPERATION
7. While holding the wheel and hub from
sliding off of the spindle, use the wrenches
shown in Figure 33, tighten the hub puller
until the wheel and hub assembly is pulled
from the spindle.
Figure 33. Pulling wheel hub.
Figure 35. Spindle taper.
Hold
Spindle Taper
Threads
Figure 36. Wheel hub taper.
11. To install the grinding wheel and hub, wipe
the tapered surfaces clean, un-thread the
hub puller, and install the hub, retainer,
and nut. After the grinding wheel and hub
are installed, many machinists still choose
to dress the grinding wheel. Refer to Wheel
Dressing on Page 28 for details.
Hub
Taper
!
Figure 34. Wheel and hub removal.
8. Set the wrenches aside and carefully remove
the wheel and hub assembly with the hub
puller still installed (see Figure 34).
9. Unthread the hub puller and set it aside.
10. Wipe the spindle threads, the spindle, and
the hub tapers (see Figures 35–36) so they
are perfectly clean. Wiping the threads and
taper with a lightly-oiled rag to prevent rust
and still to allow for a tight fit.
!