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SEWING MACHINE DIV. 20 MODEL 385.19001890
CONDITION HOW TO FIX REFERENCE
3. BREAKING
UPPER
THREAD
CAUSE
4. THREAD ON BO1-POMSIDE
OF FABRIC ISJAMMED UP.
5. FEEDDOG TEETHARE
WORN.
1. INITIAL SEWNG SPEEDIS
TOO FAST.
2. THREAD PATHIS INCORRECT
3. NEEDLE ISBENTOR DULL.
4. NEEDLETHREAD TENSION IS
TOO TIGHTE.
5, NEEDLESIZEIS
INAPPROPRIATE FOR
FABRIC,
6, NEEDLE EYEISWORN.
7. NEEDLE HOLE IN NEEDLE
PLATEWORN OR BURRED.
+
WHEN STARTINGTO SEW,
THE NEEDLE THREAD ISNOT
SECURED BY THE THREAD
HOLDER,
9. IN EMBROIDERY SEWING,
THEPATrERN ISBEING SEWN
OVER ANOTHER PAl-FERN.
10, AFTERCHANGING THE
NEEDLE THREAD, ITJAMS
AROUND THESPOOL PIN.
11. WHEN NEEDLE THREAD IS
CHANGED, THREAD ISNOT
GUIDED INTO THETHREAD
TAKE-UP LEVER.
MAKE SURETO BRING
BOTH NEEDLE AND BOBBIN
THREADS UNDER THE FOOT
WHEN STARTINGSEWING.
CHANGE THEFEED DOG.
STARTWITH MEDIUM SPEED.
USETHE PROPER THREAD PATH
REPLACE WITH A NEW NEEDLE
SEEMECHANICAL
ADJUSTMENT "NEEDLETHREAD
TENSION."
USEAPPROPRIATE NEEDLE
FOR FABRIC AND THREAD
IN USE,
CHANGE THE NEEDLE.
REPLACE THE NEEDLE PLATE.
PLACE THETHREAD IN THE
THREAD HOLDER.
LEAVE SUFFICIENTSPACE BE-
FORE SEWING SECOND PAT-
TERN.
CLEAR OUT THEJAMMING
THREAD,
THREAD THETAKE-UP LEVER
CORRECTLY.
P.48
(CONVENTIONAl
SEWING ONLY)
CONVENTIONAL
IEWlNG ONLY)
R 15-16
R 39
(EMBROIDERY
ONLY)
EMBROIDERY
ONLY)
R16
P, 16
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