WHAT TO DO
r I.--
PROBLEM PROBABLt; CAUSE CORRECTION
IncorTect size needle:
Improper threading_
Loose upper three4 tension.
Pulling fabric.
Lir_ht press"_r_ on presser Foot,
Loose presser _oat,
Unevenly woun_ bobbin,
Choose corree_ size needle For thread and fabric _.#cc..e 5_L
Rethreod machine _page 9?
Tighten upper thread tension_ _page 12]),
Do not pu[_ fabric; guide it gentty,
Increase press_re on presser foot :]page $01_'_
Reset presser foot (page _57,
Rewind bobbin :_.page 7."_
Rul]]ng fabric.
Breaking _neorrect size needle,
Needle_ Incorrect sett_eg of needle.
Loose presser Foot
Bunching of
Th_-eae
Upper _nc_ lower thread_ not
drown b_ek ueder presser foot,
Feed dog down.
Do net _ull fabric; gui_e it 9ent]'f,
Choose correct s_ze needle For thread and fabric _pa_ae 5.-.'.
Re_et needle _page 5_:,.
Rese_ _resser Foot ;_poge t57
Draw Bolh thFeads back under p_e_ser foot ,::]page 10]".
Rose Feed dog ,i_oge 151;
[ecorrect thread tensio_.'s", Reset thread tension_]s_': :_peges 12, 13]_
Light pressure on presser foot, _r,crease pressvre on presser Foot :.]page i0]_.
Using two different sizes or Upper thread and bobbin thread should be same size and kin_
kinds o_ thread,
Puckering
Bent or b_unt needle Lnserr new needle ,_'poge 51:,
Loose presser foot. Reset presser fops ,_page 15]).
Fabric too sheer or toe soft, Use underlay of tissue _0aper or tarteton, when stitching,
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