Maintenance of the Machine
218333 04/03/2020
73
For all SB/TB/TBZ 18/20/23 Plus types
4. On the top of the motor bracket, loosen the two hexagon
socket screws to loosen the motor and rear pulley.
This will relieve the tension of the ribbed V-belt.
Note
Please note that only original spare parts from the manufacturer May be used.
If you use other spare parts, the manufacturer gives no warranty and is not li-
able for functionality and safety of the machine.
5. If necessary:
Remove the damaged ribbed V-belt and replace it by a new one.
When installing the new ribbed V-belt, make sure it is seated correctly and
in alignment on both pulleys.
6. Clamp the ribbed V-belt in by
slightly pushing the drive motor backwards with one
hand
checking the tension of the ribbed V-belt with the other
hand.
The tension is correct if the ribbed V-belt between the
pulleys can be pressed in 3-5 mm.
7. Tighten the two hexagon socket screws on the top of the
motor bracket.
8. Then check that the ribbed V-belt is seated correctly and
runs smoothly when turning the front pulley by hand.
9. Install the protective hood prior to using the machine
again (see section 9.3 Installing/removing the protective
hood, page 65).
The ribbed V-belt is now replaced (if necessary) and correctly tensioned.
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