Pfaff 937

Adjustment
11 - 36
● Insert pin 9 with its largest eccentricity facing downwards into the elongated hole of
lever 8 and into the hole in lever 7.
● Tighten screw 10.
● Bring lever 11 to its outer point of reversal.
● Press lever 7 in the direction of feed until you feel it stop and then tighten screw 6.
● Loosen screw 12 and align the vibrating presser foot in accordance with requirement 2.
● Tighten screw 12.