Beisler 739-23-1 Service Manual - Manual (Page 32)

3.2 Distance of material clamp guide to table-top
Instruction and inspection
The distance of the material clamp guide 1 to the surface of the
table-top 2 must be at least 2.5 mm. The distance must be the same
along the entire length of the guide.
–
Check the distance between the guide to the table-top along its
entire length.
Caution! Risk of injury!
Switch off main switch!
Adjust guide only when the sewing machine is switched off.
Adjustment
–
Loosen the four counternuts 7 on the left and right of guide 5.
– Adjust guide rollers 4 with the eccentrics 3 so that there is an equal
distance of 2.5 mm between the material clamp guide 1 and
table-top 2.
Caution!
Ensure that there is no play between the rollers 4 and the guide bars 6.
– Position rollers 4 tightly onto the guide bars 6.
– Tighten counternuts 7.
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2 1 6 5 4 3
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