Trouble Shooting Guide

SILVERCREST SNM 33 C1

Upper thread breaks

Reduce the thread tension (lower number).
Remove and reinsert the needle (flat side towards the back).
Replace the needle.

Lower thread breaks

Remove and reinsert the bobbin case and pull on the thread. The thread should pull easily.
Check both bobbin and bobbin case.

Skipped stitches

Remove and reinsert needle (flat side towards the back).
Replace the needle
Choose a needle size to suit the thread and fabric
Use the correct presser foot.

Needle breaks

Replace the needle.
Insert the needle correctly (flat side towards the back).
Choose a needle size to suit the thread and fabric
Use the correct presser foot.

Loose stitches

Thread the bobbin case as illustrated.
The needle size must suit the fabric and thread.
Correct the thread tension.

Seams gather or pucker

Check the thread tension.


Use a backing for fine or stretchy fabrics.

Uneven stitches, uneven feed

Use stronger thread.
Rethread the bobbin case and insert correctly.

Do not pull on the fabric. It must be automatically moved by the machine.

The machine is noisy

Clean the hook and feed dog as described.
Only use good quality sewing machine oil.
Replace the needle.

The machine jams

Remove the upper thread and bobbin case, turn the handwheel backwards and forwards by hand and remove the thread remains. Lubricate as described.
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