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Fabric Jams
Possible Cause:
Upper— and stationary cutters are not in proper position.
Solution:
Check alignment of cutters (page 57).
Possible Cause:
Thread is not unreeling smoothly off the thread spool.
Solution:
Check the thread spool to ensure thread is not getting caught.
Place the thread spool and spool cap as shown on page 24.
Possible Cause:
Too much fabric thickness.
Solution:
Compress thick layers with conventional sewing machine before sewing on your overlock machine.
The Looper Threader Does Not Work
Possible Cause:
The Threading/Sewing lever is not set to the "Threading" position.
Solution:
Set the Threading/Sewing position lever to threading position (page 16).
Possible Cause:
The thread is not correctly inserted into the looper threader hole.
Solution:
Insert at least 1" (2 cm) of thread into the looper hole.
Possible Cause:
The thread is not long enough.
Solution:
Pull out approximately 22" (56 cm) of thread before putting it in the looper threading hole.
Possible Cause:
The thread is tangled, wet or frayed.
Solution:
Trim the thread end.
Possible Cause:
Lint is accumulated in the looper threader pipe.
Solution:
Clean the looper threading pipe (page 56).
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