Pfaff 5483 - Primary Looper Thread Regulator

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Correct
setting:
Primary looper thread regulator
The distance between the front edge of primary looper thread regulator 2
and the rear edge of the needle plate cutout must be 29 mm (see Fig. 21.0.2).
21.0.2
21.0.1
21.1 Loosen both screws 1 of thread regulator 2.
21.2 Adjust thread regulator 2 lengthwise so that there is a distance of 29 mm
between its front edge and the rear edge of the needle plate cutout.
21.3 Make sure that thread regulator 2 is positioned roughly in the middle of thread
puller fingers 3 and tighten both screws 1.
21.4 Check this adjustment (see "Correct setting").
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From the library of: Superior Sewing Machine & Supply LLC