CONDITION
1. SKIPPING
1.NEEDLE IS NOT INSERTED
STITCHES
PROPERLY.
2.NEEDLE IS BENT OR WORN. CHANGE THE NEEDLE.
3.INCORRECTLY THREADED
4.NEEDLE OR THREAD ARE
INAPPROPRIATE FOR
FABRIC BEING SEWN.
5.SEWING ON STRETCH
FABRIC
6.INAPPROPRIATE NEEDLE
BAR HEIGHT.
7.INAPPROPRIATE NEEDLE
TO HOOK TIMING
8.INAPPROPRIATE NEEDLE
TO HOOK CLEARANCE
2. FABRIC NOT 1.INCORRECT F.D. HEIGHT
MOVING
2.THREADS ARE JAMMED
UNDER THE NEEDLE PLATE. BOTH NEEDLE AND BOBBIN
3.FEED DOG TEETH ARE
WORN.
WHAT TO DO WHEN
CAUSE
INSERT THE NEEDLE PROPERLY.
RETHREAD.
USE THE RECOMMENDED
SEWING NEEDLE AND THREAD.
USE A #11 BLUE TIP NEEDLE.
SEE MECHANICAL
ADJUSTMENT
" NEEDLE BAR HEIGHT".
SEE MECHANICAL
ADJUSTMENT "NEEDLE
TIMING TO SHUTTLE".
SEE MECHANICAL
ADJUSTMENT "CLEARANCE
BETWEEN NEEDLE AND
HOOK".
SEE MECHANICAL
ADJUSTMENT "FEED DOG
HEIGHT".
MAKE SURE TO BRING
THREAD UNDER THE FOOT
WHEN STARTING SEWING.
CHANGE THE FEED DOG.
5
HOW TO FIX
REFERENCE
P.20
P.21
P.17,18
P.19