Porter-Cable PCXB310BS - Drive Belt Tension Adjustment; Adjusting Drive Belt Tension

18
Blade guides
1. Loosen two front hex socket screws (1)
with a hex wrench.
2. Move the guide pins (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 pins and the
blade. Adjust to 0.002 in. (0.05 mm).
4. Tighten two front hex socket screws (1).
Fig. L
5. Loosen two lock screws (4), move the
lower blade guide bracket (5) in or out
until the guide pins (2-Fig. K) are just
behind the saw teeth. Tighten two lock
screws (4).
Fig. M
Support bearing
6. Loosen the support bearing hex screw (6)
on the right side of the band saw with the
hex wrench.
7. Move the support bearing shaft (7) in or
out until the support bearing (8) is 1/64 in.
(0.4 mm) behind the saw blade.
1
2
3
2
1
4
5
8. Tighten the support bearing hex
screw (6).
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 surface of the support
bearing (8).
Fig. N
DRIVE BELT TENSION
1. Disconnect the machine from the power
source.
2. Loosen the hex screw (1) on the motor
with a 6 mm wrench.
3. Push the motor down to add tension to
belt. Move the motor up to loose tension
to belt.
4. The belt is properly tensioned when
moderate nger pressure on the belt
between the two pulleys causes a 1/2 in.
deection.
5. Tighten the hex screw (1) that secures
motor.
Fig. O
6
7
8
1
tension
loose