12 - 10
Adjustment
-
● Set the adjustment wheel 1 at multi-stitch.
● Set the zigzag stitch width lever 2 at "largest zigzag width".
● Adjust control cam 3 (screws 4) in accordance with the requirement.
12.05.08 Multi-stitch movement (only on the PFAFF 939 U)
Requirement
1. When the needle, at its b.d.c., penetrates on the right-hand side, the recess 5 on the
control cam 3 should be positioned horizontally towards the rear.
2. The lateral movement of the needle bar should have been completed when the needle
penetrates the workpiece (carry out a check with the largest zigzag setting).
Fig. 12 - 09
1
81-027
2
92-029
4
3
5
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