Kenmore 385.190011890 Service Manual page 13

SEWING MACHINE DIV. 20 MODEL 385.19001890
CONDITION
6. NOISY
OPERATION
7. PAI"[ERN
DISTORTION
8. UPPER
THREAD
LOOPING
CAUSE HOW TO FIX REFERENCE
1. E 31
,
3,
BACKLASH BE[WEEN
SHUI_LE HOOK GEAR AND
LOWER SHAFT GEAR IS
TOO GREAT.
LOWER SHAFT GEAR IS
LOOSE.
INAPPROPRIATE BELT
TENSION
4. NOT ENOUGH OIL
1. INAPPROPRIATE FEED
BALANCE
.
,
.
5.
.
.
8.
.
.
INAPPROPRIATE ZIGZAG
SYNCHRONIZATION
UPPER THREAD TENSION IS
TOO STRONG.
EMBROIDERY FOOT IS NOT
BEING USED.
STABILIZERIS NOT BEING
USED WITH STRETCHOR
FINE FABRICS.
THE FABRIC IS NOT SET
PROPERLY ON THE
EMBROIDERY HOOP.
EXTENSION TABLEIS NOT
SETCORRECTLY.
EMBROIDERY FOOT
CATCHES THE
CONNECTING THREAD.
FABRIC IS TOO SMALL FOR
EMBROIDERY HOOP.
UPPER THREAD TENSION IS
TOO LOOSE.
SEE MECHANICAL
ADJUSTMENT '" BACKLASH
(LOWER SHAFT GEAR)".
ELIMINATE THE LOOSENESS.
SEE PART REMOVAL AND
REPLACEMENT "DC MOTOR
UNIT AND BELTTENSION'".
OIL ALL MOVING PARTS.
SEE MECHANICAL
ADJUSTMENT " STRETCH
STITCH FEED BALANCE ".
SEE MECHANICAL
ADJUSTMENT " UPPER SHAFT
SHIELD PLATE POSITION'".
SEE MECHANICAL
ADJUSTMENT "NEEDLE
THREAD TENSION",
USE EMBROIDERY FOOT.
USE STABILIZER.
PLACE THE FABRIC TIGHTLY
IN THE EMBROIDERY HOOP
(NO LOOSE FABRIC).
SETTHE EXTENSION TABLE
CORRECTLY.
CUT THE CONNECTING
THREAD WHEN CHANGING
THE COLOR OF THREAD.
USEA PIECE OF FABRIC
LARGER THAN HOOP.
SEE MECHANICAL
ADJUSTMENT "NEEDLE THREAE
TENSION."
P. 57
P. 7O
P. 37
[CONVENTIONA
SEWINGONLY)
R 34
(CONVENTIONA
BEING ONLY)
R 39
(EMBROIDERY
ONlY)
R18
(EMBROIDERY
ONLY)
R18
(EMBROIDERY
ONLY)
(EMBROIDERY
ON{Y)
R18
(EMBROIDERY
ONLY)
P, 39
10