Beisler 739-23-1 Service Manual - Manual (Page 33)

3.3 Material clamp guide at right angles to bed-plate of sewing machine
Instruction and inspection
The guide 1 must be at an angle of 90° degrees to the bed-plate of the
sewing machine 2.
–
Measure the angle between the bed-plate 2 and the guide 1.
Caution! Risk of injury!
Switch off main switch!
Adjust guide only when the sewing machine is switched off.
Adjustment
–
Loosen screws 3 at the left or right tension plate 4.
– Align tension plate 4 so that material clamp guide is at an angle of
90° degrees to the bed-plate of the sewing machine.
– Tighten screws 3 and check the angle of the guide.
3-33
2 1
4 3
4 3