Southbend sb1018 Belt, To tighten the V-belt, Pulley Deflection, To replace the V-belt

Model SB1018 S E R V I C E For Machines Mfg. Since 8/09

V-Belt

If the blade stops moving while the motor is still running, the V-belt may be slipping and will need to be tightened.

To tighten the V-belt:

1.DISCONNECT BANDSAW FROM POWER!

2.Open the belt cover, then loosen the belt tension bolt shown in Figure 49 to allow the motor to pivot.

Belt Tension Bolt

Figure 49. Motor tension bolt.

3.Release the motor and let its weight tension the belt. If necessary, apply downward pressure to the motor to further tighten the belt. When properly tensioned, the belt should deflect approximately ¼" when pressed with moderate pressure, as shown in Figure 50.

Pulley

Deflection

Pulley

Figure 50. Belt deflection.

If the V-belt shows signs of excessive wear, such as cracking or fraying, it must be replaced.

To replace the V-belt:

1.DISCONNECT BANDSAW FROM POWER!

2.Open the belt cover, then loosen the belt tension bolt shown in Figure 49 to allow the motor to pivot.

3.Lift the motor to relieve the belt tension, then remove the belt.

4.Install a new belt, then release the motor and let its weight tension the belt.

5.Re-tighten the belt tension bolt and close the belt cover.

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