Upper Thread Breaks - English
Page 1
... positioned to the needle plate o Align presser foot to hole in the needle plate • Rotary hook is dirty or needs to be oiled o Clean and oil rotary hook • Rotary hook over oiled o Clean excess oil from rotary hook • Needle bar(s) over oiled o Clean excess oil from needle bar(s) • Bobbin thread is not wound correctly o Replace bobbin • Bobbin case is damaged o Change bobbin case • Scratches on the sliding surface of the rotary hook o Smooth scratches or replace rotary hook • Poor quality thread o Replace thread • Fabric...
... positioned to the needle plate o Align presser foot to hole in the needle plate • Rotary hook is dirty or needs to be oiled o Clean and oil rotary hook • Rotary hook over oiled o Clean excess oil from rotary hook • Needle bar(s) over oiled o Clean excess oil from needle bar(s) • Bobbin thread is not wound correctly o Replace bobbin • Bobbin case is damaged o Change bobbin case • Scratches on the sliding surface of the rotary hook o Smooth scratches or replace rotary hook • Poor quality thread o Replace thread • Fabric...
Upper Thread Breaks - English
Page 2
• Wrong type of backing o Use the correct backing for garment • Design contains many small stitches of .2 mm or less o Modify design to eliminate stitches of .2mm or less • Too much density in design o Reduce density in design • The area around the hole in the needle plate is damaged o Replace needle plate • Rotary hook is out of time o Re-time rotary hook
• Wrong type of backing o Use the correct backing for garment • Design contains many small stitches of .2 mm or less o Modify design to eliminate stitches of .2mm or less • Too much density in design o Reduce density in design • The area around the hole in the needle plate is damaged o Replace needle plate • Rotary hook is out of time o Re-time rotary hook
Rotary Hook Scratches - English
Page 1
... fix the problem than the rotary hook might have a bad presser foot or it needs the height adjusted. Turn the rotary hook, by needle breaks and or being careless when you feel any and they aren't real deep. Nicks and scratches on it 's normal position. This is not smooth enough for nicks or scratches (see if it is to replace the rotary hook...
... fix the problem than the rotary hook might have a bad presser foot or it needs the height adjusted. Turn the rotary hook, by needle breaks and or being careless when you feel any and they aren't real deep. Nicks and scratches on it 's normal position. This is not smooth enough for nicks or scratches (see if it is to replace the rotary hook...