SINGER 1050 - Manual (Page 81)

Bobbin Winding Difficulties Thread Breaks While Sewing
Upper thread breaks while winding bobbin. Upper thread breaks.
Make sure... Make sure...
• Presser foot is raised. • Machine is properly threaded.
• Thread is unwinding freely from spool. • Thread spool is inserted correctly on spool holder.
• Thread spool is inserted correctly on spool holder. • Thread is unwinding freely from spool.
• Thread is not pulled too tightly when starting to wind • Thread spool is secured by correct holder.
bobbin. • Thread is even and free from knots.
• Machine is correctly threaded. (See page 16.) (Turnto pagelBforadditional information.)
(Turn to page 20 for additional information.) • Needle is correct size for thread.
Thread does not wind onto bobbin.
• Needle is straight and sharp.
Make sure ...
(Turn to pages 9 and 12 foradditional information.)
• Bobbin push-button is in winding position.
• Upper thread tension is not too tight. (See page 28.)
• Thread passes under toe of presser foot before being
• Bobbin is correctly inserted in machine. (See page 22.)
held securely on presser foot screw. • Bobbin rim is free of nicks.
• Thread end is held securely at start of wind. • Needle plate hole and presserfoot are undamaged.
• Bobbin haives are securely tightened. (See page 23.) • Threads are correctly placed under presser foot
(Turn to page 20 for additional information on bobbin
when starting to sew. (See page 21.)
winding.) • Presser foot is securely fastened to presser bar.
Bobbin displaced during winding.
Make sure ...
• Bobbin is being wound at a moderate speed.
• Bobbin is properly seated and secured by the latch in
the bobbin case.
Thread breaks when sewing starts after winding bobbin.
Make sure ...
• Bobbin has not been wound beyond the
FULL ring.
(See page 7.)
Lower thread breaks.
Make sure...
• Bobbin has been correctly wound.
Turn hand wheel away from operator to free over wound • Bobbin case area is free of lint and loose threads.
bobbin. (See page 76.)
• Bobbin case area is free of lint and loose threads. (See • Bobbin has been correctly inserted into bobbin case.
page 76.) • Bobbin has not been wound too full.
(Turn to page 21 for bobbin information.) (Turn to page21 foradditional information.)
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