Pfaff 5483 - Looper-to-needle clearance in sewing direction (preliminary adjustment); Looper-to-Needle Clearance in Sewing Direction

11.7 Ifa clearance of 0.7 mm (or 1.0 mm on two-needle machines) cannot be obtained,
proceed as follows;
10.7.1 Raise the presser foot and remove the needle plate.
11.7.2
Loosen clamp screw 4 in looper holder 5 and take off the looper (do not lose
spacer).
11.7.3 Fit an appropriate spacer (see inside front cover) on the looper neck and push
the looper into looper holder 5 again as far as it will go.
11.7.4 Set the looper blade roughly parallel to the front edge of the bedplate (pre
liminary adjustment) and tighten clamp screw 4.
11.7.5 Replace the needle plate and operate the presser bar lifter to lower the presser
foot onto the needle plate.
11.7.6 Check that there is a clearance of 0.7 mm (or 1.0 mm on two-needle machines)
between the highest point of the looper and the underside of the needie plate
when the looper holder is in its vertical position.
11.8 If necessary, repeat steps 11.3 through 11.6.
11.9 Check this adjustment (see "Correct setting").
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From the library of: Superior Sewing Machine & Supply LLC