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G9743 7" x 12" Metal-Cutting Bandsaw
-35-
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 that
allows the distance between the blade and bear-
ings to be adjusted. The bearings are secured in
place by a hex nut and a lock washer as shown
in
Figure 39.
Blade Guide
Bearings
To adjust the blade guide bearings:
1. UNPLUG THE BANDSAW!
2. Raise the bandsaw to the highest position
and close the feed rate ON/OFF valve
.
3. Loosen the hex nut that secures the eccentric
bushing.
4. Adjust the eccentric bushing position to
achieve the desired clearance. The bearing
and blade should make light contact or have
a clearance of 0.001"-0.002".
5. Tighten the nut to lock the eccentric bushing
and bearing in position.
6. Adjust the other eccentric blade guide bear-
ing in the same manner. The backing bear
-
ing is not adjustable and will make light con
-
tact with the blade.
7. Adjust the carbide blade guides so they make
the same contact with the blade as the bear
-
ings.
Figure 39. Blade guide adjustments.
Hex Nut
Backing Bearing
Eccentric Bushing
Carbide Blade Guide