Section – SINGER W1977 User Manual
Page 56
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Page 47
English
Section
7
PROBLEM
PROBABLE CAUSE
CORRECTION
The material puckers
Upper or lower thread tension too tight
P.12, P.51
Stitch too long for material
P.22
Thread too thick
P.20
Incorrect threading of upper or lower thread
P.7, P.16
Breaking needle
Needle not correctly inserted
P.18
Needle bent
P.18
Needle clamp screw too loose
P.18
Upper thread tension too tight
P.12
Needle too fine for the material
P.20
Dials have been changed while the needle was down in the
material
P.22
If trouble is still apparent in the machine, please consult your nearest dealer.
Do not try to correct fault by yourself.
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