Singer 471U - Tension Adjustment

(HI Main tension and auxiliary tension adjustment
Improper tension release lever adjustment may result in thread breakage and erratic stitch patterns with
unsightly seams in the final garment.
1. Main tension adjustment
Loosen set screw and then adjust the
position of the main tension release lever O so that
the main tension disc floats when the machine is
stopped.
Main thread tension control
2. Auxiliary tension adjustment
0.5 mm
Feed cam
Loosen the two set screws0 and move the thread tension releaselifting lever O so that the tension disc opens
out approx. 0.5 mm wheneither the machineis stopped or the release leverdrivepinO ridesonto the release
lever cam 0.
Thread tension bracket adjustment
Loosenthe two setscrews 0, and adjust the tension
discdriver0 positionsothat thetension disc opens
when the machine is stopped.
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From the library of: Superior Sewing Machine & Supply LLC