Beisler 739-23-1 Service Manual - Manual (Page 26)

2.12.6 Reference switch
Caution! Risk of injury!
Switch off main switch !
Check and adjust reference switch only when the sewing machine is
switched off.
Instruction and inspection
Allow for a distance of 0.5 - 1.0 mm between the reference switch 2
and the blade holder 3.
–
Place blade holder 3 with the belt wheel in front of the reference
switch 2.
– Check the distance between the reference switch and the blade
holder.
Adjustment
–
Loosen screws 1.
– Move reference switch until a distance of
approx. 0.5 - 1.0 mm is reached.
– Tighten screws 1.
3-26
4 3 2 1