1
Condition Cause Howtox Reference
1. Skipping
Stitches
1. Needleisnotinsertedproperly.
2. Needleisbentorworn.
3. Incorrectlythreaded.
4. Needleorthreadare
inappropriateforthefabric
being sewn.
5. Sewingonstretchfabric.
6. Inappropriateneedlebar
height.
7. Inappropriateneedletohook
timing.
8. Inappropriateneedletohook
clearance.
Inserttheneedleproperly.
Changetheneedle.
Rethread.
Usetherecommendedsewingneedle
andthread.
UseaHAx#11bluetipneedle.
Seemechanicaladjustment“Adjustment
ofneedlebarheight”.
Seemechanicaladjustment“Adjustment
ofhooktiming”.
Seemechanicaladjustment“Clearance
betweenneedleandtipoftherotary
hook”.
P. 11
P. 10
P. 12
2. Fabricnot
moving
1. Incorrectfeeddogheight.
2. Feed dog is in down position.
3. Threadonbottomsideof
fabricisjammedup.
4.Feeddogteethareworn.
Adjustthepresserbarleveltomake
thepressurestronger.Seemechanical
adjustment“Feeddogheight”.
Raisethefeeddog.
Makesuretobringbothneedleand
bobbinthreadsunderthefootwhenstart
sewing.
Changethefeeddog.
P. 13
WHAT TO DO WHEN