Pfaff 5483 - 45 Spreader motion and spreader-to-needle clearance (subcl. -911;..)

45
45.1
Correct
setting:
Spreader motion and spreader-to-needle clearance (subcl. -911/..)
Preliminary adjustment
When the point of the descending needle is in line with the back of the looper
(when the needle enters the thread triangle), the right side of the needle
must be in line with the side of the thread catcher cutout, as seen in feed
direction (see fig. 45.0.2).
45.0.1
45.0.2
45.0.3
45.1.1 Turn the balancewheel in sewing direction until the looper makes its return stroke
and the needle point is In line with the back of the looper (see Fig. 45.0.3).
45.1.2 Loosen screws 1 and 2 just a little.
45.1.3 Turn eccentric stud 3 so that its lobe points in sewing direction.
45.1.4
Then turn eccentric stud 3 and simultaneously adjust the positionof spreader 4
by moving It forward or backward In Its elongated hole until the side of the
thread catcher cutout Is in line with the right side of the needle, as seen In
feed direction.
45.1.5 In this position, tighten screws 1 and 2.
45.1.6 Then make the following test to see whether the spreader works properly;
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From the library of: Superior Sewing Machine & Supply LLC