Craftsman 137.224320 - Manual (Page 15)

UPPER BLADE GUIDES AMD BLADE SUPPORT
BEARING (FIG. P, Q)
® The blade guard has been removed for clarity of
illustration. To avoid injury never operate the band saw
without all guards in place and in working order.
* To avoid injury, turn the switch OFF and disconnect the
saw from the power source before making any
adjustments, NEVER make adjustments with the
machine running.
NOTE: Make sure the blade is tensioned and tracking
properly. Adjust the blade guides and support bearing after
each blade tension and tracking adjustment. When the upper
blade guides and support bearings are adjusted, the lower
guides and bearings should also be adjusted.
Blade guides (FIG. P)
1. Make sure the blade is tensioned, and tracking properly.
2. Loosen the front hex socket sci'ews (1) with a hex wrench.
3. Move the guides (2) as close to the blade (3) as possible
without pinching it.
4. Using a feeler gauge, make sure the space between
each guide and,the blade measures 0.02“ (the thickness
of a dollar bill).
5. Tighten the hex socket screws. . ^
6. Loosen the side hex socket screw (4) by turning
counterclockwise, ’
7. Move thel blade guide: bracket shaft (5) in or out until the'
guides are at least 1/32“ behind the blade teeth.
8. The guides must remain behind the blade teeth during
operation to prevent damage to the saw blade.
9. Tighten the hex socket screw.
FIG. P
Support bearing (FIG. Q)
10. Loosen the bearing hex socket screw (6).
11. Move the support bearing shaft (7) in or out, until the
bearing (8) is 1/64“ behind the blade.
12. Tighten the hex socket screw (6),
NOTE: The blade support bearing prevents the blade
from moving back too far and damaging the saw teeth
setting,
LOWER BLADE GUIDES AND SUPPORT BEARING
To avoid injury, turn the switch OFF and disconnect the saw
from the power source before making any adjustments.
NEVER make adjustments with the machine running.
NOTE: Make sure the blade is tensioned and tracking
properly,
The lower blade guides and support' bearings should always
be adjusted after the blade is tensioned, the tracking is
adjusted, and the upper blade guides and upper support
bearings are properly adjusted.
Blade guides (FIG. R)
1. Loosen both front hex socket screws (1) with a hex
wrench.
2. Move the guides (2) as close to the sides of the blade (3)
as possible without pinching it.
3. Using the feeler gauge, measure the spaces between
the guides and the blade. Adjust to 0.02".
4. Tighten the hex screws,
5. • Loosen the side hex socket
screv\i
(4). Move the guide
support bracket (5) in or out until the guides are at least
1/32" behind the saw teeth. Tighten the screw.
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