Adjusting lower tension, Drop feed lever – SINGER W1577 User Manual
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Adjusting Lower Tension ,
To test bobbin tension, hang and
shake bobbin case as shown.
At proper tension bobbin case will
gradually drop a small amount.
To adjust tension, turn adjusting
screw with small screwdriver.
Raise needle to highest position.
Leave end of thread of about 10 cm
(4") from bobbin case.
Take hold of latch and push bobbin
case into hook.
Release latch when bobbin case is
fully inserted.
Drop Feed Lever
The lever is in the right side of
shuttle cover. For normal sewing,
move the lever to
AAA
position.
To lower feed dog, move the lever
to
AAA
position.
This position is used for button
sewing, darning and embroidery.