Pfaff 939 U - Zigzag Movement (Only on the 939 U)

Justierung
17
2
Fig. 1 - 12
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4
1
4
2
5
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3
1.05.11 Zigzag movement (only on the 939U)
Requirement
When the needle bar, moving from its right b.d.c., reaches its t.d.c. (hole 2), it should not
carry out any lateral motion when the zigzag stitch width lever 4 is moved to and fro.
● Set the adjustment wheel 1 at zigzag.
● Adjust the zigzag eccentric 2 (screw 3) in accordance with the requirement.