Porter Cable PCB330BS Manual De Instrucciones página 17

NOTE: This blade support bearing prevents the blade
from moving back too far and damaging the saw teeth
setting.
12. Check the lateral position of the support bearing (8).
The vertical back edge of the blade (3) should
overlap the front face of the support bearing 1/16
in.(1.6 mm) to 1/8 in.(3.2 mm) to the left of the right
bearing edge, as shown.
Fig. P
8
3
LOWER BLADE GUIDES AND SUPPORT BEARING
(FIG. Q, R)
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
1. Loosen both front hex socket screws (1) with a hex
wrench.
2. Move the guide blocks (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 blocks and the blade.
Adjust to 0.002 in. (0.05 mm).
4. Tighten the hex socket screws. (Fig. Q)
Fig. Q
All manuals and user guides at all-guides.com
6
7
8
3
2
1
17
5. Loosen the side hex socket screw (4). Move the
guide block support bracket (6) in or out until the
blocks are just behind the saw teeth. Tighten the
screw. (Fig. R)
Fig. R
3
9
2
Support bearing
6. Loosen the bearing hex socket screw (7) with the hex
wrench.
7. Move the blade support bearing shaft (8) in or out
until the support bearing (9) is 1/64 in.(0.4 mm)
behind the saw blade.
8. Tighten the bearing hex socket screw.
9. The back edge of the blade (3) should be positioned
1/16 in.(1.6 mm) to 1/8 in.(3.2 mm) from the right
edge of the support bearing (9), as shown.
PULLEY ALIGNMENT (FIG. S)
The pulley alignment has been adjusted at the factory
and shouldn't require further adjustment. If adjustments
are required or belt needs replacing, please follow these
procedures:
1. Place a straight edge in the front groove of both
pulleys, behind the blade wheel.
2. Turn the hex socket screw (1) in the side of the motor
pulley (2) to loosen the pulley on the shaft.
3. Adjust the motor pulley in or out on the motor shaft (3)
to align the edges of the two pulleys.
4. When aligned, tighten the hex socket screw on the
side of the motor pulley.
Fig. S
2
1
7
8
4
6
3
3
2