1
CONDITION
CAUSE
HOW TO FIX
REFERENCE
1. SKIPPING
STITCHES
1. NEEDLE IS NOT INSERTED
PROPERLY.
2. NEEDLE IS BENT OR WORN.
3. INCORRECTLY THREADED.
4. NEEDLE OR THREAD ARE
INAPPROPRIATE FOR
FABRIC BEING SEWN.
5. SEWING ON STRETCH
FABRIC.
6. PRESSER FOOT PRESSURE
IS TOO WEAK.
7. INAPPROPRIATE NEEDLE
BAR HEIGHT.
8. INAPPPROPRIATE NEEDLE
TO HOOK TIMING.
9. INAPPROPRIATE NEEDLE
TO HOOK CLEARANCE.
INSERT THE NEEDLE PROPERLY.
CHANGE THE NEEDLE.
RETHREAD.
USE THE RECOMMENDED
SEWING NEEDLE AND THREAD.
USE A #11 BLUE TIP NEEDLE.
ADJUST THE PRESSER BAR
LEVEL TO MAKE THE
PRESSURE STRONGER.
SEE MECHANICAL ADJUSTMENT
“NEEDLE BAR HEIGHT”.
SEE MECHANICAL ADJUSTMENT
“NEEDLE TO HOOK TIMING”.
SEE MECHANICAL ADJUSTMENT
“CLEARANCE BETWEEN NEEDLE
AND HOOK”.
P. 13
P. 12
P. 14
2. FABRIC NOT
MOVING
1. PRESSER FOOT PRESSURE
IS TOO WEAK.
2. INCORRECT F.D. HEIGHT.
3.F.D. IS IN DOWN POSITION.
4.THREAD ON BOTTOM SIDE
OF FABRIC IS JAMMED UP.
5. FEED DOG TEETH ARE WORN.
ADJUST THE PRESSER BAR
LEVEL TO MAKE THE
PRESSURE STRONGER.
SEE MECHANICAL
ADJUSTMENT “FEED DOG HEIGHT”.
RAISE THE F.D. LEVEL.
MAKE SURE TO BRING BOTH
NEEDLE AND BOBBIN.
THREAD UNDER THE FOOT WHEN
STARTING SEWING.
CHANGE THE FEED DOG.
P. 16
WHAT TO DO WHEN
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