Pfaff 5483 - Guard of looper-avoiding-motion eccentric; Looper-Avoiding Motion Eccentric-Guard Clearance

26 Knee lever play
Correct When the presser foot is resting on the needle plate and the feed dog Is
setting: beneath the needle plate, there must be a clearance of about 1.3 mm
between lifting lever 1 and lifting collar 2 (Fig. 26.0.2).
26.0.2
26.0.1
26.1 Turn the balance wheel to bring the feed dog below needle plate level, and lower
the presser foot onto the needle plate.
26.2 Take out the two screws of the rear standard cover and remove the latter.
26.3 Loosen both clamp screws 3 of crank 4 on the knee lever shaft.
26.4 Adjust crank 4 so that there is a clearance of about 1.3 mm between lifting
lever 1 and lifting collar 2. (Use adjustment gauge.)
26.5 Inthis position, tighten both clamp screws 3, making sure that the vertical knee
lever shaft has no vertical play.
26.6 Remove the gauge and Insert the knee lever.
26.7 Check this adjustment (see "Correct setting").
26.8 Remove the knee lever again.
31
From the library of: Superior Sewing Machine & Supply LLC