Hitachi CB 13F - Manual (Page 16)

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UPPER BALDE GUIDES AND BLADE SUPPORT BEARING
(Fig. O, P)
WARNING
ⅷ 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.
ⅷ 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 bearing should also be adjusted.
Blade guides (Fig. O)
1.
Make sure the blade is tensioned and tracking
properly.
2. Loosen the front hex socket screws (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 the blade guides 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. O
2
1
4
3
5
2
1
3
Support bearing (Fig. P)
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 learning prevent the blade
from moving back too far and damaging the saw teeth
setting.
Fig. P
8 6
7 8
1/64”
LOWER BLADE GUIDES AND SUPPORT BEARING
WARNING
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. Q)
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 guide and the blade. Adjust to 0.02”
4. Tighten the hex screws.
5. Loosen the side hex socket screw (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.
Fig. Q
3
2
5
4
1