Grizzly G1258 - Manual (Page 15)

G1258 20" Bandsaw -13-
After changing a blade, the upper and lower
blade support bearings and guide blocks must be
readjusted. Always adjust the guide assemblies
away from the blade before installing a new blade
or making blade adjustments.
To change blades:
1. Make sure machine is off and unplugged.
2. Open upper and lower wheel covers.
3. Remove the fence assembly.
4. Release tension on the bandsaw blade.
5. Remove table insert and setscrew from the
table.
6. Slip blade off wheels and guide it through
the table slot.
7. To install a new blade, reverse the above
procedure.
After correctly setting blade tension and tracking,
readjust the upper and lower support bearings
and guide block assemblies.
To adjust the positive stop so the table will be
perpendicular to the blade:
1. Loosen the trunnion lock handle and check
nut locking the positive stop adjusting bolt.
See
Figure 8.
2. Raise the upper blade guide assembly up
and stand a machinist’s square or
adjustable square on the table next to the
side of the blade. Adjust the positive stop
adjusting bolt to raise or lower the table until
the table is 90° to the blade.
3. Secure the trunnion lock handle and lock
the positive stop adjusting bolt by tightening
the lock nut. Ensure that the bolt does not
turn while tightening the lock nut.
Figure 8. Location of positive stop adjustment.
Positive Stop
Wear gloves and safety glasses when han-
dling blades. Coiled blades will spring open
as they are uncoiled. Blades are very sharp.
Failure to exercise care may result in seri-
ous personal injury.
Changing Blades Positive Table Stop