Pfaff 441-O - Knee Lever Stroke Limitation

16
Correct
setting:
16.1
16.2
16.3
16.4
16.5
16.6
Knee lever stroke limitation
When the knee lever is fully operated, the presser bar lifter should drop by Its own
weightand the presserfootshould be
lifted fromthe needle plate by a little more than
7.0 mm (or 9.0 mm).
16.0.1
Loosen locknut1 ofstop screw 2.
Turn stop screw 2 out a few turns.
Raise the presser bar lifter, place the 7-mm-(or 9-mm) thick blade ofthe gauge under the
presser footand lowerthe presser bar lifter again.
Move the knee leverto the right untila noticeable resistance is felt; howeverthe
presser foot must not be lifted off the gauge.
Hold the knee lever atthis position andturnstopscrew2inas faras it will go,then
back out by one turn, and lock it in place withlocknut 1.
Checkthisadjustment(see "Correctsetting").
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From the library of: Superior Sewing Machine & Supply LLC