Premier MCO-5424 Manual De Instrucciones página 77

Malfunction
Fabric puckers
Loop in seam.
Fabric does not feed
properly
Machine does not
work.
Machine is noisy and
works slowly.
P-44
1. Upper thread tension is too tight.
2. Threading is not correct
3. Needle is too thick to the cloth to be stitched.
4. Stitches are too big to the cloth to be sewn.
* Non-woven lining under the cloth is re-quired for very thin
cloth to be stitched.
3. Upper thread pressure it too weak
4. The combination of needle size/ thread size/ fabric is
incorrect, either too thick or too thin.
4. Feed dog is stained by fine hair.
5. Feed dog is not hoisted.
6. Stitching is too small.
4. Main power switch is turned off.
5. thread in the hook is tangled.
6. Clutch release switch is set at bobbin mark.
4. Thread in the hook is tangled.
5. Feed dog is stained by fine hair.
6. Insufficient oiling.
Cause Explanation
See Page 18
See Page 16
See Page 12
See Page 18
See Page 12
See Page 41
See Page 21
See Page 20
See Page 8
See Page 40
See Page 14
See Page 40
See Page 41
See Page 42