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18" & 20" Super Heavy-Duty Bandsaws -17-
The support bearings support the back of the
blade during the sawing operation. The adjust-
ments that can be made to the support bearings
are lateral placement and backing placement.
Make sure the guide bearings are adjusted away
from the blade before making this adjustment.
Figure 14 shows the upper support bearings.
Figure 15 shows the lower assembly. When
making adjustments to the lower bearing the
assembly will move up and down as it moves
from side-to-side.
To adjust the lateral placement:
1. Loosen the hex bolts (shown in Figures 14
& 15) that allow the assembly to move side-
to-side.
2. Shift the entire assembly so the blade inter-
sects the face of the bearing by at least
1
⁄8".
3. Tighten the hex bolts.
Figure 14. Loosen these bolts to adjust upper
bearing assembly laterally.
Support Bearings
Figure 15. Loosen this bolt to adjust lower bear-
ing assembly laterally.
Figure 16. Back bearing just touches the back
of the blade.
To adjust the backing placement:
1. Loosen the hex bolt that secures the support
bearing shaft in place.
2. Adjust the support bearing shaft so it just
touches the back of the blade as in
Figure
16
.
3. Tighten the hex bolt.