Beisler 739-23-1 Service Manual - Manual (Page 34)

3.4 Transport slide and toothed belt
3.4.1 Replacement of toothed belt
Caution! Risk of injury!
Switch off main switch!
Adjust guide only when the sewing machine is switched off.
Remove toothed belt
–
Loosen counternuts 9 at the rear belt wheels.
– Relax tension of toothed belt.
– Loosen screws 1 and 5 at the connecting plates 2 and 6 of the
toothed belts.
– Remove toothed belts 3 and 7 from the front and rear belt wheels 4
and 8 respectively.
Positioning of toothed belt
–
Insert toothed belt onto the front and rear belt wheels 4 and 8 and
screw the ends with the connecting plates 2 and 6 to the tension
plates.
– Adjust tension of toothed belt (see chapter 3.4.2).
3-34
4 3 2 1 7 6 5
9 8