Beisler 1282-4 - Manual (Page 43)

Closing Seam Machine 1282-4 Working Instructions
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Beisler Automated Sewing Equipment
C.5
Maintenance
Roller unit toothed belt replacement:
1. Lower transport unit manually onto workplate (see
Section D.2.1, Program control).
2. Switch machine off.
3. Fig. 10: Slacken toothed belt
1 by removing grub
screw 4 of bearing 3 and pushing guide fork
5 of two roller units together with spacer
shaft 2 up into bearing.
4. Lift toothed belt off drive roller and idle roller and
remove.
5. To install, position toothed belt onto roller, then onto
bearing drive pulley.
6. To pretension the toothed belt, push bar roller guide
fork with spacer shaft down and tighten threaded pin
at bearing. In case of correct tensioning, it must be pos-
sible to depress the center of the belt approx 10 mm
until counterpressure is felt.
NOTE - Transport roller alignment!
After toothed belt replacement, the distance between the
downrollers and the working plate must be realigned (see
Section C.5.5).
Fig. 10
Fig. 10