WHAT TO DO
PROBLEM
Sk pping
Stitches
Breaking UDDer
TH reo d
PROBABLE CAUSE CORRECTION
Incorrect size needle,
Bent or b]unf needle.
Inoo_-rect setting of needle.
Tight upper thread ter_siom
Light pressure on presser fool
Starting to stitch too Fast,
improper threading,
Tght upper thread tensen
Incorrect size needle.
Sharp eye in needle,
Improper bobbin case threadlng
Tig t bobbin thread tenson
Lr_t in bobbn case or shuttle,
Feed dog down,
Lght pressure on presser foot.
Threeds knolled under fabric,
Choose correct s_ze needle !or thread and _abrle _poge 5_,
Insert new needle (page 5_).
Reset needle (page 59
Loosen upper thread tensier_ (page _2).
_ncre_se pressure on presser foot (]page IO_).
Start to sttoh at a medium speed,
Rethreod machine (_page 9]).
Loosen _pper thread tension !,"pege "_2_:,
Choose correct size needle far thread and fabric (]page 5]).
insert new needle Cpage 5;,
Check bobbin case threading (page 8_]
Loosen bobbin thread enson :_]page 3_:
Clean bobbin case and shuttle '_pages 28, 29),
Raise Feed dog (.page 15),
Increase pressure on presser foot _:'page 10]_,
Place both threads back under presser _oot before
begnning to stitch.
Thread caught in shuttle, Disassemble and cleon sh'cttle _%oges 28, 29_!,
31