SINGER 3214 User Manual
Page 46
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PROBLEM
PROBABLE CAUSE
CORRECTION
The material
puckers
Upper or lower thread tension too tight
R18
Stitch too long for material
R18
Thread too thick
R17
Incorrect threading of upper or lower thread
R8,10
Breaking needle
Needle not correctly inserted
R.16
Needle bent
R16
needle clamp screw too loose
R.16
Upper thread tension too tight
R.18
Needle too fine for the material
R17
Dials and levers have been changed while
the needle was down int he material
R18,20
Zigzag width set too wide while twin
needle was attached
R33
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