Blade Guide Bearings - Grizzly G0561 Owner's Manual

Blade Guide
Bearings
The blade guide bearings come adjusted from
the factory and the need for adjustment should
rarely occur. Uneven blade wear and crooked
cuts may be the result of improper adjustment.
Each bearing assembly has an eccentric bushing
(see Figure 59) that allows the distance between
the blade and bearings to be adjusted. The bear-
ings are secured in place by a hex nut and a lock
washer.
Hex Nut
Backing Bearing
Figure 59. Guide bearing components.
Before adjusting the blade guide bearings, make
sure that you have squared the blade to the table
as discussed in the previous section.
Model G0561 (Mfd. Since 01/08)
Eccentric Bushing
To adjust blade guide bearings:
1. DISCONNECT MACHINE FROM POWER!
2. Position vise to 90°, then lock in place.
3.
Put a machinist's square against face of vise
and move it over to blade. The square should
evenly touch both the face of vise and blade.
If it does, skip ahead to Step 6.
—If the square does not evenly touch blade,
but it does evenly touch vise, continue with
next step.
4.
Loosen hex nuts that secure eccentric bush-
ings attached to guide bearings.
5.
Adjust bearings as necessary to force blade
90° to vise, then tighten hex nuts attached to
bearings that are forcing the blade to 90°.
6.
Check to see if any bearings are not touch-
ing blade evenly. If so, loosen hex nuts and
adjust eccentric bushing so contact surface
of bearing touches blade evenly.
Note: Since the bearings twist the blade into
position, it is acceptable if there is 0.001"-
0.002" gap between the blade and the front
or back of the bearing. Just make sure not
to squeeze the blade too tightly with the
bearings. After the guide bearings are set,
you should be able to rotate guide bearings
(although they will be stiff) with your fingers.
The backing bearing is not adjustable and
should make light contact with blade.
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