Pfaff 438 Series - Annex for Machines Equipped with Zigzag Control -716; Needle Vibration

Annex for machines equipped with zigzag control -716/..
32 Needle vibration
Setting:
Adjustment:
32.1
.2
.3
.4
The sideways motion of the needle bar should cease when the needle enters the ma
terial. (Check with
the machine set at its widest zigzag stitch.)
32.0.1
Unscrew the cast-iron cover of the needle vibrating cam housing, making sure you do not
pull the needle bar lubricating wick out of its hole in the cover sealing plate.
Set the stitch width lever at the widest zigzag stitch.
Loosen the two screws 1 of gear 2.
Turn needle vibration cam 3 so that the needle bar has completed Its sideways motion
when the needle enters the material.
Inthis position, tighten the two gear set screws 1, making sure gear 2 contactsthe leftin
ner wall and needle vibrating cam 3 the right inner wall so that they have no end play.
Check this adjustment (see "Setting").
45
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com