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