South Bend Tools
For Machines Mfd. Since 7/21
Model SB1123
-31-
P R E P A R A T I O N
3.
Loosen both guide bearing adjustment cap
screws (see Figure 40), then position guide
bearings so they are close to —but not quite
touching—sides of blade.
4.
Retighten cap screws to secure settings.
Rotate blade by hand to check the setting,
and, if necessary, repeat Steps 3–4.
Figure 41. Blade guide bearings rotating during
Blade guide bearings rotating during
cutting operation.
cutting operation.
Whenever changing blade or adjusting blade
tension or tracking, the support and guide
bearings must be re-adjusted before resuming
operation to ensure proper blade support.
Figure 40. Location of upper guide bearing adjustment
Location of upper guide bearing adjustment
cap screws (guide post cover removed for clarity).
cap screws (guide post cover removed for clarity).
Guide Bearing
Guide Bearing
Adjustment
Adjustment
Cap Screws
Cap Screws
Note:
When the blade guide bearings are
properly adjusted, they should only rotate
during cutting operations, or when the
blade is deflected to the left or right (see
Figure 41).
Adjusting Lower Blade Guides
1.
Make sure the blade is tracking properly and
that it is correctly tensioned.
2.
DISCONNECT MACHINE FROM POWER!
3.
Follow the procedure for adjusting upper
blade guides on Page 30.
Figure 42. Lower blade guide controls.
. Lower blade guide controls.
Knurled
Knurled
Knob
Knob
Blade Guide Bearings
Blade Guide Bearings
Bearing Rotation
Bearing Rotation
Adjustment Bolt
Adjustment Bolt
Figure 43. Lower blade guide controls (rear view).
Lower blade guide controls (rear view).
Guide Block Assembly Screws
Guide Block Assembly Screws
Lateral
Lateral
Adjustment
Adjustment
Rod Screw
Rod Screw
!
