13 BA_KA-ED_A22_190313_en.doc
3.4.2 Checking the tooth-belt for the carriage drive
CAUTION! Danger of injury!
To check the tooth-belt, switch off the machine electrically and pull
out the power plug.
The machine may not be operated without front panels and back
wall.
Checking the tooth-belt tension (Fig. 4):
- Switch off power switch S0 and pull the power plug.
- Unscrew front panel and rear wall from the frame.
- The tooth-belt (1) should not be tensioned too tight. You should be able to
compress it easily with your thumb by about 5 mm. If the belt is too loose or too
tight, the function sequence is impaired. If the belt is too tight,
it will wear too quickly. In either case the machine will operate slower. The
carriage may bend if the tooth-belt is too tight.
In case the belt tension is not OK, tension the belt properly.
- Loosen central fastening of the drive
unit Hexagonal screw M16x80 (2)
Hexagonal nut M16 (3)
- Loosen the fastening screw (4)
- The drive unit can now be swivelled around the central fastening. Tighten the
belt and retighten the fastening screw. Retighten the central fastening.
- Screw front panel and rear wall to the frame.
- Plug in power plug and switch on main switch S0.
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