Pfaff hobbylock 783 - Adjustment Requirements for Models 783, 784, 786

4 Adjustment requirements for Models 783, 784, 786
4.1 The requirement for all following adjustments is that
the first screw in rotating direction is on the flat of
the main shaft on the following eccentrics:
1 Drive eccentric for the needle bar drive.
2 Drive eccentric for feed lifting and driving motions.
3 Drive eccentric for the knife drive.
4.2 With the needle in its lowest position the left looper
must be at its left point of reversal and the point of
the descending right looper roughly at needle plate
level.
For this setting, loosen the screws of left eccentric 4
and right eccentric 5 of the looper dri ve. Turn the
eccentrics accordingly and tighten the screws firmly
again.
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Etsy seller: PFANTOM