Technical Specification - Singer F687C Instruction Manual

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Possible cause:

Sewing was started with no fabric under the presser foot.

Solution:

Place fabric under foot, making sure that needle comes down into fabric; lightly hold both thread tails for

first few stitches.

Possible cause:

Stabilizer may be needed for technique.

Solution:

Place stabilizer underneath fabric.

Upper Thread Breaking

Possible cause:

Thread path obstructed

Solution:

Check if thread is caught on thread spool (rough spots on the spool itself) or behind spool pin or spool

cap (if the thread has fallen behind the spool cap and therefore cannot feed freely through the machine

path).

Possible cause:

Machine is not threaded correctly.

Solution:

Remove upper thread completely, raise presser foot lifter, rethread machine making sure thread is in take-

up lever (raise take up lever to its highest position by turning hand wheel toward you.

Possible cause:

Upper tension too tight.

Solution:

Reduce upper thread tension (page 16).