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
andthethread.
UseaHAx1#11bluetipneedle.
Seemechanicaladjustment“Adjustment
ofNeedlebarheight”.
Seemechanicaladjustment“Adjustment
ofHooktiming”.
Seemechanicaladjustment“Clearance
betweenneedleandtipoftherotary
hook”.
P. 11
P. 10
P. 12
2. Fabricisnot
moving
1. Incorrectfeeddogheight.
2. Feeddogisinthedownposition.
3. Threadonthebottomsideof
thefabricisjammedup.
4.Feeddogteethareworn.
Adjustthepresserbarleveltomake
thepressurestronger.Seemechanical
adjustment“Feeddogheight”.
Raisethefeeddog.
Makesuretobringbothneedleand
bobbinthreadsunderthefootwhenstart
sewing.
Changethefeeddog.
P. 13
WHAT TO DO WHEN