Singer 471U - Page 43

2. Needle bar lift stroke adjustment
1.2 mm
Turn the pulley and raise the needle bar O above the needledown position. Removethe two set screws
remove rotary hook position bracket B 0, loosen the twoset screws O, andturn therotaryhookO to align
the rotary hook point to needle center when the index 0 is aligned with the second fromtop reference line.
Sewing iseasiest and results best if the index is set to the bottom reference line when sewingoutergarments and
knitted fabrics, and if set to the second from bottom reference line for knits and jerseys.
3. Needle to rotary hook adjustment
1. Loosen the two set screws 0 and move the rotary
hook so that the rotary hook to needle gap is 0.03 ~
0.08 mm when the pulley is turned and the rotary
hook is aligned with the needle center.
4. Rotary hook position bracket adjustment
Aligned
0.03~0.08 mm
1.0~1.5 mm
0
1. Loosen the two setscrews0 and movethe rotary hook position bracket to align the inner hook 0 with the tip
of the rotary hook position bracket
0.
2. Loosen the two set screws 0 and move the rotary hook position bracket B 0, so that the inner hook 0 to
rotary hook position bracket B 0 gap is 1.0 ~ 1.5 mm.
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From the library of: Superior Sewing Machine & Supply LLC