Pfaff 1540 User Manual
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7. Adjustment of top feed foot in sewing direction
Requirement:
The front edge of the top feed foot must be between the first and second tooth point of the center tooth
row of the feed dog (fig. 11).
Check:
z
Raise the presser bar lifter.
z
Remove presser foot & presser foot holder.
z
Set the maximum stitch length.
z
Engage the top feed foot.
z
Turn the handwheel until the rising feed dog is flush with the needle plate surface.
z
Lower the presser bar lifter.
z
Carry out a visual check.
Adjustment:
z
Loosen screw 26 (fig. 12).
z
Raise the presser bar lifter until the top feed foot is just resting on top of the feed dog.
z
At the same time push the top feed dog to the front or to the rear until its front edge is between the first
and second tooth point of the center tooth row.
z
Lower the presser bar lifter.
z
Tighten screw 26, making sure that driving shaft 27 has no play.
Cross-check:
z
Check as described under "Check".