Kenmore 385.190011890 Service Manual page 12

SEWING MACHINE DIV. 2 0 MODEL 3 85.19001890
CONDITION
4, BREAKING
BOBBIN
THREAD
5. NEEDLE
BREAKS
CAUSE
1. INCORRECTLY THREADED
BOBBIN HOLDER,
2. TOOMUCHTHREAD I S
WOUND ONTHE BOBBIN.
3. LINT ISSTUCK INSIDE T HE
BOBBIN HOLDER.
4. THREAD Q UALITY I STOO
LOW.
5. THREAD I SJAMMING
AROUND THE BOBBIN.
1. NEEDLE I SHITTING T HE
NEEDLE P LATE.
2. NEEDLE I SBENT ORWORN.
3. NEEDLE I SHITTING T HE
SHUTTLE.
.
,
.
17.
THE FABRIC MOVES WHILE
THE NEEDLE IS PIERCING IT,
OR THE NEEDLE ZIGZAGS
WHILE IN FABRIC.
FABRIC IS BEING PULLED
TOO STRONGLY WHILE
SEWING.
THE NEEDLE THREAD
TENSION IS TOO TIGHTE.
IN EMBROIDERY SEWING,
THE PATTERN IS BEING SEWN
OVER ANOTHER PATTERN.
HOW TO FIX
THREAD BOBBIN HOLDER
CORRECTLY.
ADJUST THE POSITION OF
STOPPER.
CLEAN THE SHUTTLE.
CHANGE TO A HIGH QUALITY
SEWING THREAD.
CLEAR OUT THE JAMMING
THREAD.
SEE MECHANICAL
ADJUSTMENT "NEEDLE
POSITION".
CHANGE THE NEEDLE.
SEE MECHANICAL
ADJUSTMENT "CLEARANCE
BETWEEN NEEDLE AND
HOOK".
' SEE MECHANICAL
ADJUSTMENT "UPPER SHAFT
SHIELD PLATE POSITION".
GUIDE THE FABRIC GENTLY
WHILE SEWING.
SEE MECHANICAL
ADJUSTMENT "NEEDLE THREAD
TENSION,'
LEAVE SUFFICIENT SPACE
BEFORE SEWING SECOND
PAI_ERN.
REFERENCE
P. 15
E 69
P. 25
P. 30
:CONVENTIONA
_'WING ONLY)
P. 34
CONVENTIONA
EWINGONLY)
P. 39
(EMBROIDERY
ONLY)
9