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SEWING MACHINE DtV. 20 MODEL 384. 15358
WHAT TO DO WHEN
CONDITION CAUSE REFERENCE
1. SKIPPING
STITCHES
2. FABRIC NOT
MOVING
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. INAPPROPRIATE NEEDLE
BAR HEIGHT
7. INAPPROPRIATE NEEDLE
TO HOOK TIMING
8. INAPPROPRIATE NEEDLE
TO HOOK CLEARANCE
1. INCORRECT
FEED DOG HEIGHT
2. THREAD ON BOTTOM SIDE
OF FABRIC IS JAMMED UP.
3. FEED DOG TEETH ARE
WORN.
HOW TO FIX
INSERT THE NEEDLE PROPERLY.
CHANGE THE NEEDLE.
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
BOTH NEEDLE AND BOBBIN
THREADS UNDER THE FOOT
WHEN STARTING SEWING.
CHANGE THE FEED DOG.
P.19
P.20
P.16,17
P.18