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FOLDER ADJUSTMENT
Slide folder (A, Fig. 22) on arm. The folder should be as close to
the front of presser foot (B) as possible, making sure to avoid the
presser foot contacting the folder when sewing across seams. If
adjustment is necessary loosen screws (C) to move entire folder
left to right or front to back as required. If just adjustment of
upper scroll (D) is needed loosen screw (E) and position scroll to
obtain proper seam margin.
AIR BLOWER TUBE ADJUSTMENT
The air blower tube should be set left to right so it is parallel with
the throat plate. It should be set front to back so when feeding
over a cross seam the presser foot does not contact the tube. If
FIG. 22
adjustment is necessary, loosen screw (A, Fig. 23) and position
air blower tube (B) as required. Retighten screw (A).
A
PULLER ADJUSTMENTS
Timing of the Puller Mechanism:
Loosen two screws (A, Fig. 24) in upper sprocket, rotate machine
in operating direction, with needle moving up until needle
points are flush with top of throat plate (B). At this point, feed
dogs are above throat plate but have not made any movement
B
towards the rear. Rotate puller shaft (C) in operating direction
until puller (D) shows some movement clockwise. At this time
tighten two screws (A) in upper sprocket.
FIG. 23
Setting Travel of Puller (stitch length):
Loosen nut (E, Fig. 24) and turn screw (F) clockwise to
shorten puller travel or counterclockwise to lengthen
puller travel. Tighten nut (E). Sewing sample should be
checked to assure that proper stitch length is obtained.
FIG. 24
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