SINGER 1371A2 - Manual (Page 32)

22M
22 . NEEDLE-TO-HOOK RELATION Fig25
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* Set the needle to hook relation in the following way:
1) Bring down the needle bar to the lowest point when the needle is coming down through
the center of the needle hole on the throat plate.
2) Loosen needle bar connection screw ®, and adjust the height of the needle bar.
(Setting the needle bar)
3) Insert the part 1” of timing gauge ® into the gap between the bottom end of needle
bar® and throat plate ® .
4) Retighten the needle bar connection screw to adjust the position of the sewing hook.
(Setting the hook)
5) Loosen setscrew ® of the hook sleeve by the bar spanner supplied with the machine.
6) Rotate the driving pulley in the correct direction until the needle starts to go up from
its lowest point.
7) Insert the part “2” of the timing gauge into the gap between the bottom end of the
needle bar and the throat plate, where the bottom end of the needle bar touches the
top of the part “2” of the timing gauge.
8) Align blade point © of the sewing hook with the center of needle @, and make
adjustment so that a clearance of approx. 0.5mm (1/64") is provided between the needle
and the blade point of the hook. Then, securely retighten the setscrew of the hook
sleeve.
(NOTE): If stitches are skipped, lower the needle bar by approx. 0.5mm (1/64")
from the timing gauge "1".
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