SINGER W1422 - Manual (Page 16)

regulating the thread tension
Generally thread tension should be controlled by the thread tension dial. Bobbin thread tension has teen
adiusted^at the factory and readjustment is scarecely needed except for special stitch, thread and fabric. Bobbin
thread tension is just right when you can pull the thread from bobbin case easily with a little resistance.
Thread tension may be adjusted by tightening or loosening the thread tension dial, if necessary.
Properly adjusted thread
tension for straight sewing
------K ^ ...... - - ..............^ . ...jT ........................................—
liic ni'cilk' Mia-.ul .itul !lic hohhin !hrc.n!
shoiilil in!crl(Kk in tire i,cn!croI !wt) Ijycrs ol Idhru
*How to adjust the bobbin
thread tension
L.oosen the needle thread tcnsfnn bv
moving the dial to the Utwer number
The needle thread is too
loose
’There are many reasons for having to reset your tension. The best tension for one fabric may not be correct for
another. The required tension depends upon the stiffness of fabric, thickness of the fabric, numbers of layers o
fabric being sewn, as well as the type of stitch you are making.
*lt is better to test the stitching on a scrap of the fabric you are using before starting to make a garment.