SINGER W1550 - Manual (Page 46)

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5. lower thread breaks
* inh?" incorrectly
^ bobbin wound too f u l l
* bobbin tension too tight
* "®®dle plate hole has sharp edges
^ bent bobbin ^
* poor quality thread
^ bent or blunt needle
I upper thread tension too tight
. upper and lower tensions too tight
(use tissue paper underlay)
7. machine does not feed fabric
, stitch length dial set at 0
^ pattern selector on "
thread knotted under fabric
S^CHINGOF THREAD UNDER FABRIC
upper and lower thre^^dc n + ^
* pattern selector on '• i P^^^^er foot
9. BOBBIN DOES NOT WIND PROPERLY
* r k ! 3^'^" uot properly adjusted
* positioned correctly
bobbin winder stnn • correctly
top not positioned correctly
T‘r«'NE runs SLUGGISHLY
; dir!"!,™ '“■*
, machine needs oiling
stop motion knob not tightened
11- machine WILL NOT SEW
* oord not plugged into outlet
Totor belt too toot, ot b.oL.!
■ '■ M
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