Singer 471U - ((Adjustmenth); Needle Sidewise Movement Adjustment; Needle Bar and Rotary Hook Adjustment

( ADJUSTMENTS ))
U] Needle sidewise movement adjustment
If the needle sidewise movement is not properly adjusted, the needle will move even after it is inserted into the
material, thus resulting in skipped stitches, and large, unsightly needle holes in the garment.
0 mm
o
0
Mark
1. Remove the change gear and turn the handle to set the feed cam to the bar tack position.
2. When the machine is in normal condition to operateand the pulleyisturned to zigzagthe needle to the full width
of the needle hole, adjust as necessary to make sure the needleshifts 0 mm right or left above the needleplate
when the needle is both in the needle hole and when above the needle plate.
3. If adjustment is necessary, loosen thetwoset screws O»and turnthe pulley tosetthe needle barinthe right shift
down position. Match upthe needle zigzag link O take-in andthe needle zigzag fork take-in, and then retighten
the set screws O. Make sure the ends of the needle zigzag cam do not extend from the fork mouth.
|T| Needle bar and rotary hook adjustment
Improper needle bar and rotary hook adjustment would cause skipped stitches and caught threads.
To adjust needlebar height,needlebar liftstroke, and needleto rotary hook timing,the needleshould belocated
in the center of the needle hole (in the middle of the cutter groove).
1. Needle bar height adjustment
3.5 mm
;3 mm
2.5 mm
Setthe machine in normal condition to operate andturnthe pulley to set the needle barO tothe down position.
Next loosen the set screw and vertically shift the needle bar O to alignthe top reference lineO withthe
needle height index O-
40-
From the library of: Superior Sewing Machine & Supply LLC