WHATTO
PROBLEM
trregular Stitches
Breakmg
Needles
Bunching of Th read
Puckering
PROBABLE CAUSE
Incorrect s_ze needte.
Improper [breading,
Loose upper thread tension. Pulling fabric.
Light pressure on presser toot. Loose presser foot.
Unevenly wound bobbin,
Pulling fabric.
Incorrect size needle. Incorrect setting of needle, Loose presser foot.
Upper and lower threads not drawn back under presser fool
Feed dog down.
Incorrect thread tension{s). Light pressure on presser foot.
Using two different sizes or kinds of thread.
Bent or brunt needle.
Loose presser foot.
Fabric too sheer or too soft.
COR RECTION
Choose | correct | size | needle |
| for thread | and fabric | (page 5), | ||
Rethread | machine | (page | 9). |
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Tighten | upper |
| thread | tension | (page | 12). |
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Do not | pull | fabric; | guide | it | gently. |
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Increase | pressure | on | presser | foot (page 10). |
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Reset presser | foot. |
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Rewind | bobbin | (page | 7). |
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Do not puIl fabric; guide it gently.
Choose correct size needle for thread and fabric (page 5). Reset needle (page 5).
Reset presser foot,
Draw both threads back under presser foot {page 10),
Raise feed dog.
Reset thread tension {s) (page 12. 13). increase pressure on presser foot (page 10).
Upper thread and bobbin thread should be same size and kind,
tnsert new needle (page 5), Reset presser foot.
Use underlay of tissure paper or tarleton when stitching.
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