SINGER WRotary (Book 10) - Manual (Page 7)

OIL PLACES AS INDICATED BELOW
TO CHANGE THE LENGTH OF STITCH
The regulator is located at the right end of machine on the front side or
•arm. TO SHORTEN stitch more the lewr down. TO LENGTHEN stitch
move lever up. No. 1 indicates the shortest, and No. 7 the longest stitch.
TO REGULATE THE TENSION
To loosen the tension, turn the thumbscrewon the dial to the left
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the right, moving the pointer towards No. 8. By this means the
;same tension can always be duplicated, thus obviating the necessity
•of experimental trials, as is the case with other machines. If a tight
tension is desired, both upper and under threads must necessarily be
tight. If the upper thread is tight and the lower thread loose, the
upper thread will be drawn to the top thus: If the
lower thread is too tight, it will be drawn straight on the bottom of
goods, thus:
\ When you desire the goods to look alike
nn both sides, and be elastic, balance the tension thus:
THE TENSION RELEASER
, The tension releaser is operated by the presser-bar lifter. By
means of it, all tension is taken off the upper thread when the
presser-f oot is raised, and the work can be taken out without pulling
the thread down by band.
^PARTICULAR NOTICE—The tension cannot he regulated when the lifter
is up because the Releaser is operated by the presser-bar lif ter,
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