Southbend Swivel Mast Bandsaw sb1018 - Manual (Page 38)

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For Machines Mfg. Since 8/09 Model SB1018 S E R V I C E
If the blade stops moving while the motor is still
running, the V-belt may be slipping and will
need to be tightened.
If the V-belt shows signs of excessive wear, such
as cracking or fraying, it must be replaced.
V-Belt
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.
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.
Figure 49. Motor tension bolt.
Belt Tension Bolt Figure 50. Belt deflection.
Pulley
Deflection
Pulley
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.