Bobbin Thread Clamp Spring - Pfaff 571 Adjustment Manual

Adjustment
13

Bobbin thread clamp spring

.06.05
 Adjust the bobbin thread clamp spring 1 (screw 2) according to the rule.
Check
 After cutting the thread, sew a few stitches by turning the handwheel and check
48
Rule
The spring tension of the bobbin thread clamp spring should be as low as possible but
clamp the bobbin thread securely after the cutting operation.
Fig. 13 - 42
whether the bobbin thread is pulled out of the bobbin thread clamp spring between the
1st and 3rd stitch. Adjust the spring tension if necessary.
3
2
1