Beisler 1281-5 - Manual (Page 81)

3.2 Adjusting the material stop
Caution: Risk of injury!
Switch the main switch off.
Adjust the material stop only with the sewing unit switched off.
Standard
The material stop 2 must completely abut on the sewing foot 3 so that
the material cannot be pushed upward between sewing foot 3 and
stop 2.
Correction
–
Loosen screws 1.
– Push the material stop 2 completely against the sewing foot 3.
– Tighten screws 1.
19
3
3 2 1