Breaking op the upper thread, Breaking of the lower thread, Breaking of the needle – SINGER W231 User Manual
Page 26: Skipping stitches, Uneven stitches
Attention! The text in this document has been recognized automatically. To view the original document, you can use the "Original mode".
Ga444ei, Q<mu$um %i^ic44lUei.
BREAKING OP THE UPPER THREAD:
1. Incorrect threading
3. Faulty needle, or needle set incorrectly
v5. Needle eye too small for thread used
7. Starting the machine with the take up lever at its highest position
2. Upper thread tension too tight
4. Needle brushing against presser foot or other
attachments
rt. Starting the machine suddenly or with a jerk
BREAKING OF THE LOWER THREAD:
1. Incorrect threading of the bobbin case 2
Lower thread tension too tight
3. Bobbin being wound too fully
# Rough
edge of hole in needle plate caused by
improper needle action
BREAKING OF THE NEEDLE:
1. Pulling the fabric while machine is running, thus causing the needle to strike the needle plate
2. Using bent needle
SKIPPING STITCHES:
1. Using bent or blunt needles
2. Needle inserted incorrectly
3. Needle threaded improperly
4. Using wrong sized needle
5. Pressure of presser foot insufficient, especially when sewing heavy material
UNEVEN STITCHES:
^
Presser foot not resting evenly on material 2. Feed dog not being high enough
^
Too short stitches used
4. Pulling the cloth while the machine is running
9
Using a too fine a needle with
a
too coarse thread