Technical Manual & Parts Lists
21
Machine with Puller Feed
The length of the stitch is determined by the
stitch gears in the puller feed mechanism. The
compound feed stitch length should be set
slightly shorter than the stitch length of the
puller feed.
To change the Puller Feed gears for
adjusting stitch length, remove the two cover
plate screws and remove the cover plate, Fig. 15.
Loosen the set screws. Slide the puller feed shaft
to the right far enough to allow removal of the
worm and worm gear. Place the new worm on
the cross shaft. Turn the worm in the operating
direction and tighten the first set screw into the
flat of the shaft. Then securely tighten both set
screws, checking for excessive end play. Engage
the new worm gear with the worm and slide the
puller feed shaft through the worm gear until the
end of the shaft is flush with the needle bearing.
Remove the end play in the shaft
by setting the two collars against the bracket and tightening the four set screws. Align the lower feed roll
with the upper feed roll and tighten the two set screws. Center the worm gear on the center of the worm.
Tighten the two set screws with the first screw in the spline of the shaft. Replace the cover plate and
adjust the compound feed.
Presser Bar Lift
When the presser foot is raised by the presser bar lifter and the needle is at its highest position,
the point of the needle should not protrude below the presser foot.
To adjust, turn the machine pulley over toward the operator until the needle is at its highest
position. Loosen the set screw, Fig. 16. Raise the presser foot to the correct height, place the stop collar
against the upper bracket, and tighten the set screw.
Summary of Contents for 1345-6A
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