Kenmore 38519001890 User Manual SEWING MACHINE Manuals And Guides L0070145

KENMORE Electronic Sewing Manual L0070145 KENMORE Electronic Sewing Owner's Manual, KENMORE Electronic Sewing installation guides

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SERVICE MANUAL

SEWING MACHINE MODEL
385.19001890
NOVEMBER,1998

CONTENTS

SPECIFICATIONS ..........................................................
I-4
WIRING DIAGRAM

........................................................
5

GENERAL TROUBLE SHOOTING
WHAT TO DO WHEN

PROCEDURE

...................................
6

..............
.,
................................................
7-10

ELECTRONIC QUICK CHECK

................................................
11-13

MAIN KEY FUNCTION ......................................................
14

WINDING THE BOBBIN ......................................................
15
THREADING
WHEN

THE MACHINE

MESSAGES

..................................................
16

APPEAR ON THE SCREEN ...................................
17

TO ATrACH THE STABILIZER
..................................................
18
TO SETTHE FABRIC INTHE EMBROIDERY HOOP

.................................
18

SERVICE ACCESS
FACE COVER

......................................................
19

TOP COVER

.......................................................
19

BELTCOVER

.......................................................
20

BASE COVER

.......................................................
21

BED COVER

.......................................................
22

BASE UNIT .........................................................
23
FRONT COVER
MECHANICAL

.....................................................
24

ADJUSTMENT

NEEDLE POSITION ...................................................
25

NEEDLE BAR HEIGHT .................................................
26-27

NEEDLE TO SHUTTLE TIMING ..........................................
28-29
CLEARANCE

BETWEEN NEEDLE AND

HOOK

............................
30

BACKLASH

(LOWER SHAFT GEAR) .....................................
31

FEED DOG

HEIGHT ..................................................
32-33

UPPER SHAFT SHIELD PLATE POSITION ..................................
34

*SOLENOID .........................................................
35
TENSION RELEASE MECHANISM
STRETCH STITCH FEED BALANCE
*HEIGHT OF EMBROIDERY

.......................................
36

......................................
37

PRESSER FOOT (P)............................
38

NEEDLE THREAD TENSION ............................................
39

*BUI-rONHOLE LEVER ................................................
40

PRESSER BAR HEIGHT AND ALIGNMENT
OVER LOAD
*ADJUSTMENT

(1), (2) ...............................................................

OF TOUCH

PANEL ............... ............................................

*BOBBIN THREAD TENSION (1),(2)
PART REMOVAL

...................................

.....................................................

41
42-43
44
45-46

AND REPLACEMENT

NEEDLE THREAD TENSION UNIT ..................................................

47

FEED DOG ...................................................................................

48

THREADER PLATE .........................................................................

49

C-BOARD

50

UNIT AND FUSE ..........................................................

TRANSFORMER

...........................................................................

51

MACHINE

SOCKET UNIT .............................................................

52

A-BOARD

UNIT ............................................................................

53

LCD UNIT .....................................................................................

54

F-BOARD

55

UNIT .............................................................................

SLIDE VOLUME
DC MOTOR
*CARRIAGE

UNIT ....................................................................

56

UNIT AND BELTTENSION ........................................

57

PLATE COVER

*BUI-IONHOLE

UNIT ..................................................

58

SENSOR ................................................................

59

*UPPER SHAFT SENSOR .................................................................

60

*ZIGZAG

61

STEPPING MOTOR ........................................................

*FEED STEPPING MOTOR

.............................................................

62

*HOW 1O FIXA THREAD JAMMING ON THETHREAD TAKE-UP LEVER ............. 63
CHECKING

ELECTRONIC

PARTS

*MACHINE

SOCKET ......................................................................

64

*C-BOARD

....................................................................................

65

*F-BOARD

UNIT .............................................................................

66

*DC MOTOR

.................................................................................

*FOOT CONTROL

........... : .............................................................

*STEPPING MOTORS .....................................................................
CARE

67
68
69

.....................................................................................................

69

OILING ....................................................................................................

70

SPECIAL TOOLS REQUIRED

71

*NEW ITEM

...................................................................

SEWING MACHIN E DIV. 20

MODEL 385.19001890

SPECIFICATIONS
MODEL 385.19001890
(A) GENERAL SPECIFICATIONS
I. TYPE:

FREEARM, TWO IN ONE
(CONVENTIONAL

AND EMBROIDERY)

2. CONVERTIBILITY:

EXTENSION TABLE

3. SHUTTLESYSTEM:

HORIZONTAL FULL ROTARY SHU_LE

4. STITCH PACKAGE:

65 PLUS 840 BUILT-INMONOGRAMS

BUILT-IN STITCH:

65
10

(UTILITY)

33

(STRETCH)

21

(DECORATIVE)

1

(DARNING)

840

(MONOGRAMS)

5. ELECTRONIC AUTOMATIC
BUI-rONHOLER:

5 STYLES
REGULAR (SQUARE) X 3
ROUND
KEY HOLE

6. BOBBIN WINDING

SYSTEM:

AUTOMATLC CLUTCH
(AUTO DECLUTCH TYPE)

7. THREADING SYSTEM:

SLIT TAKE-UP LEVER

8. PRESSERFOOT SYSTEM:

HIGH BAR

9. MACHINE COLOR:

WHITE (J-N47)

10. NEEDLE POSITION:

7MM / MULTIPLE NEEDLE POSITIONS

11. EMBROIDERY SIZE:

126 MM (5") X 90 MM (3.5")

12. DROP FEED DOG:

DROP FEED SYSTEM

13. THREAD TENSION MECHANISM:

CONCEALED

14. FEED BALANCE DIAL:

BUILT-IN

15. FOOT FIXING SYSTEM:

SNAP-ON/OFF

16. CONTROL:

ELECTRONIC TOUCH CONTROL PANEL AND

SYSTEM

ADJUSTMENT
16-1. STITCH WIDTH:

TOUCH SCREEN SYSTEM
PRE-PROGRAMMED,
ALSO MANUALLY ADJUSTABLE

16-2. STITCH LENGTH:

TOUCH SCREEN SYSTEM
PRE-PROGRAMMED,
ALSO MANUALLY ADJUSTABLE

16-3. PAl-tERN SELECTION:

TOUCH SCREEN SYSTEM

16-4. MEMORY:

TOUCH SCREEN SYSTEM
(EMBROIDERY ONLY)

16-5. CLEAR:

TOUCH SCREEN SYSTEM
(EMBROIDERY ONLY)

17. FUNCTION KEY:
17-t. STARTSTOP KEY:

PUSH BU_ON SYSTEM
(EMBROIDERY ONLY)

SE'WlNG
MACHINEDIV.20

MODEL385.19001890

18. NEEDLE UP & DOWN:
19.

PUSH BUTTON SYSTEM

REVERSESTITCH:

PUSH BUTTON SYSTEM

20. LCD (LIQUID CRYSTAL DISPLAY):

YES

21. HORIZONTAL SPOOL PIN:

YES

22. CARRY HANDLE:

YES

23. BOBBIN COVER PLATE:

POP UP TYPE

24. ADJUSTABLE PRESSERFOOT TENSION:

DIAL TYPE (3 POSITIONS)

25. ACCESSORIES:
SEAM RIPPER/BUTTONHOLE OPENER

56O4O61O4

LARGE SCREW DRIVER

820832005

PLASTIC BOBBIN

102261103

STRAIGHT STITCH FOOT (H)

823801015

SATIN STITCH FOOT (F)

822804118

ZIPPER FOOT (E)

829801002

BLIND HEM FOOT (G)

820817015

OVEREDGE FOOT (C)

822801001

SPOOL PIN FELT

102403109

QUILTER

802422002

SPOOL STAND

829803004

NEEDLE SET

650807008

ADDITIONAL SPOOL PIN

625031500

SPOOL HOLDER (LARGE)

822020503

SPOOL HOLDER (SMALL)

822019509

LINT BRUSH

802424004

AUTOMATIC BH FOOT (R)

753801004

EMBROIDERY FOOT (P)

830810031

EMBROIDERY SCISSORS

822814007

EMBROIDERY HOOP (ROUND)

834809006

STARTERKIT

834812002

MEMORY CARD:

SMALL FLOWER SERIES

834811001

26. OPTIONAL MEMORY CARDS:
*FLOWER SERIES

K-1

(834401004)

*HOLIDAY SERIES

K-2

(834402005)

*LITTLEGREY RABBIT

K-3

(834403006)

*CHILDREN'S SERIES

K-4

(834404007)

*MOTOR SPORTS SERIES

K-5

(834405008)

*WILD ANIMAL SERIES

K-6

(834406009)

*SPECIAL OCCASION

K-7

(834407000)

*FRUITAND VEGETABLE SERIES

K-8

(834411007)

*DOG SERIES

K-9

(834412008)

*BIG FLORAL SERIES

K-10 (834448003)

*FLORAL SCRIPT SERIES

K-11 (834449004)

SERIES

SEWINGMACHINE
DIV.20

MODEL385.19001890

*MUSICAL INSTRUMENT SERIES

K-12

*FLORAL ART AND QUILTING DESIGNS

K-101 (834408001

*SEWING-RELATED DESIGNS

K-102 (834409002

*OCEAN LIFE DESIGNS

K-103 (834410006

*CHRISTMAS DESIGNS I

K-104 (834451009

*CHRISTMAS DESIGNS 1I

K-105 (834520000

*CUIWORK

K-106 (834471005

DESIGNS

(8344500O8

*FARM DESIGNS

K- 107 (834472006

*WILD LIFE & FISHING DESIGNS

K- 108 (834473007

*ANGEL DESIGNS

K-109 (834474008

*BIRD DESIGNS
*THREE-LETTERMONOGRAM

K-110 (834475009
DESIGNS

K-111 (834476000

*BORDER DESIGNS

K-112 (834481008

*FLORAL DESIGNS ]

K-113 (834482009

*GOBELIN STITCH FLORAL DESIGNS

K-114 (834483000

*NOAH'S ARK DESIGNS ], 11"

K-115 (834484001

27. SPECIFICATION OF
MICRO-COMPUTER:

CPU:
ROM

8M BITS

RAM

256K BITS

VRAM

64K BITS

28. DRIVING MOTOR:

DC MOTOR

29. FOOT CONTROL:

ELECTRONIC FOOT CONTROL

30. STEPPING MOTOR:

ZlG-ZAG WIDTH CONTROL
FEEDING CONTROL

31. MAXIMUM SPEED:

EMBROIDERY HOOP CONTROL

(X-AXIS)

EMBROIDERY HOOP CONTROL

(Y-AXIS)

820 RPM

(STRAIGHT STITCH)

500 RPM

(AUTOMATIC

700 RPM

(OTHER STITCHES)

400 PRM

(EMBROIDERY)

BUI-rONHOLE)

32. NEEDLE THREADING:

INTEGRATED NEEDLE THREADER

33. THREAD TENSION:

SEMI-AUTO TENSION CONTROL
(ROLLER TYPE)

34, HARD COVER:

YES

3

SEWING MACHINE DIV. 20

MODEL 385.19001890

(B) STITCH PACKAGE DETAIL
1. TOTAL STITCHES:

65

2. BUILT-IN STITCHES:

60

UTILITY:

10

STRETCH:

33

DECORATIVE:

21

DARNING

1

3. BUILT-IN MONOGRAM

UTILITY

840

STRETCH

' I 4

L7
HI
Hi
HI
Ill

O

DECORATIVE

BUTi'ONHOLE

_:)
n 0 0
i !, l g
) l I T
E ) )1
DARNING

El I

III
lU

3
:>
X
X

4

I

SEWING MACHINE DIV. 20

MODEL 385.19001890

WIRING DIAGRAM
NAME OF ELECTRONIC PARTSAND WIRING
NOTE:

EACH CONNECTOR

SHOULD BE CONNECTED AS FOLLOWS;

(A)-(A),(B)-(B),(C)-(C),(D)-(D),(E)-(E),(F)-(F),(G)-(G),(H)-(H),(J)-(J),(K)-(K)
(L)-(L),(M)-(M),(N)-(N),(O)-(O),(P)-(P).
(A): UPPER SHAFT SENSOR
(B): MACHINE SOCKET UNIT (SECONDARY)
(C): DC MOTOR

(K):
(L):
(M):

(D): ZIGZAG WIDTH STEPPING MOTOR

(N):

MACHINE SOCKET UNIT (PRIMARY)

(E): FEED STEPPING MOTOR

(O):

TRANSFORMER (SECONDARY)

(F): X-AXIS EMBROIDERY STEPPING MOTOR

(P):
(Q):
(R):
(S):

TRANSFORMER (PRIMARY)
INVERTER
SLIDE VOLUME
THREAD TENSION SENSOR

(T):

LCD (BACK LIGHT)

(G):Y-AXIS EMBROIDERY STEPPING MOTOR
(H): LCD MODULE
(I): F-BOARD
(J): BuYrONHOLE SENSOR

LAMP
TENSION RELEASESOLENOID
C-BOARD

(N)

5

SEWING MACHINE DIV. 20

MODEL 385. ] 9001890

GENERALTROUBLESHOOTING PROCEDURE
(MACHINE

OOESN"TWORK WELL)

START

*IS NEEDLESETOK ?
BASIC CHECK
CORRECT

...... *IS POWER SUPPLY OK ?
*IS THREADING OK ?

IT

>10'K'
MECHANICAL

} }

ELECTRICAL

} }

CAN'TJUDGE

O,K.
(

ELECTRIC QUICK CHECK

_t

ADJUSTMENT

_N.G,
REPLACE PARTS

SEWING

CHECK

I
ELECTRIC QUICK CHECK

l

END

6

SEWING MACHINE DIV. 20

MODEL 385.19001890

WHAT TO DO WHEN
CONDITION
1. SKIPPING
STITCHES

CAUSE

HOW TO FIX

1,

NEEDLE IS NOT INSERTED
PROPERLY.

INSERTTHE NEEDLE PROPERLY.

2.

NEEDLE IS BENT OR

CHANGE THE NEEDLE.

3.

INCORRECTLY THREADED,

RETHREAD.

4.

NEEDLE ORTHREAD ARE
INAPPROPRIATE FOR
FABRIC BEING SEWN.

USETHE RECOMMENDED
SEWING NEEDLE AND
THREAD,

5,

SEWING ON STRETCH
FABRIC

USEA#11 BLUETIP NEEDLE.

6,

WORN.

PRESSERFOOT PRESSURE
IS TOO WEAK.

REFERENCE

ADJUST THE PRESSERDIAL TO
MAKE THE PRESSURE
STRONGER.

7.

INAPPROPRIATE NEEDLE
BAR HEIGHT

SEE MECHANICAL
ADJUSTMENT
"NEEDLE BAR HEIGHT".

P. 26 - 27

8.

INAPPROPRIATE NEEDLE TO
SHUI-rLE TIMING

SEE MECHANICAL
ADJUSTMENT "NEEDLETO
SHUTTLETIMING".

P. 28 - 29

9.

INAPPROPRIATE NEEDLE TO
SHUYi-LECLEARANCE

SEE MECHANICAL
ADJUSTMENT "CLEARANCE
BETWEEN NEEDLE AND HOOK".

R 30

10. STABILIZERIS NOT BEING
USESTABILIZER.
USED WITH STRETCHOR FINE
FABRICS.

(EMBROIDERY

11. FABRIC IS NOT SETPROPERLYON EMBROIDERY
HOOP.

[EMBROIDERY

PLACE THE FABRIC TIGHTLY IN
THE EMBROIDERY HOOP(NO
LOOSE FABRIC),

P. 18
ONLY)
E18
ONLY)

12. SEWING WHILE PRESSERBAr, SEW WITH THE PRESSERBAR
LIFTERIS RAISED
LIFTERDOWN,
2.

FABRIC NOT
MOVING

,

.

3.

PRESSERFOOT PRESSURE
ISTOO WEAK.

ADJUST THE PRESSERDIAL TO
MAKE THE PRESSURE
STRONGER.

INCORRECT FEED DOG
HEIGHT.

SEE MECHANICAL
ADJUSTMENT "FEED DOG
HEIGHT".

FEED DOG IS IN DOWN
POSITION.

RAISE THE FEED DOG.

CONVENTIONA
_'_VINGONLY)

P. 32 - 33
CONVENTIONA
•"_/ING ONLY)

CONVENTIONA
EWING

*ALL ITEMSAREAPPLICABLETO BOTHCONVENTIONALAND EMBROIDERY
7

ONLY)

SEWING WHERE OTHERWISE SPECIFIED.

SEWING MACHINE DIV. 20

MODEL 385.19001890

CAUSE

CONDITION

HOW TO FIX

4. THREAD ON BO1-POM SIDE
OF FABRIC ISJAMMED UP.

MAKE SURE TO BRING
BOTH NEEDLE AND BOBBIN
THREADS UNDER THE FOOT
WHEN STARTING SEWING.

5.

CHANGE THE FEED DOG.

FEED DOG TEETHARE
WORN.

REFERENCE

P. 48
(CONVENTIONAl
SEWING ONLY)

3.

BREAKING
UPPER
THREAD

1. INITIAL SEWNG SPEED IS
TOO FAST.

STARTWITH MEDIUM SPEED.

2.

THREAD PATH IS INCORRECT

USETHE PROPER THREAD PATH R 15-16

3.

NEEDLE IS BENT OR DULL.

REPLACE WITH A NEW NEEDLE

4.

NEEDLE THREAD TENSION IS
TOO TIGHTE.

SEE MECHANICAL
R 39
ADJUSTMENT "NEEDLE THREAD
TENSION."

5,

NEEDLE SIZE IS
INAPPROPRIATE FOR
FABRIC,

USE APPROPRIATE NEEDLE
FOR FABRIC AND THREAD
IN USE,

6,

NEEDLE EYE IS WORN.

CHANGE THE NEEDLE.

7.

NEEDLE HOLE IN NEEDLE
PLATEWORN OR BURRED.

REPLACE THE NEEDLE PLATE.

WHEN STARTING TO SEW,
THE NEEDLE THREAD IS NOT
SECURED BY THE THREAD
HOLDER,

PLACE THE THREAD IN THE
THREAD HOLDER.

(EMBROIDERY

IN EMBROIDERY SEWING,
THE PATrERN IS BEING SEWN
OVER ANOTHER PAl-FERN.

LEAVE SUFFICIENT SPACE BEFORE SEWING SECOND PATTERN.

ONLY)

+

9.

CONVENTIONAL
IEWlNG ONLY)

ONLY)

EMBROIDERY

10, AFTER CHANGING THE
NEEDLE THREAD, IT JAMS
AROUND THE SPOOL PIN.

CLEAR OUT THE JAMMING
THREAD,

R16

11. WHEN NEEDLE THREAD IS
CHANGED, THREAD IS NOT
GUIDED INTO THE THREAD
TAKE-UP LEVER.

THREAD THE TAKE-UP LEVER
CORRECTLY.

P, 16

SEWING
MACHINE
DIV.20

MODEL385.19001890

CAUSE

CONDITION

HOW TO FIX

THREADED
4, BREAKING 1. INCORRECTLY
BOBBIN
HOLDER,
BOBBIN
THREAD
2. TOOMUCHTHREAD
IS
WOUNDONTHEBOBBIN.

5. NEEDLE
BREAKS

THREAD BOBBIN HOLDER
CORRECTLY.

CLEAN THE SHUTTLE.

4. THREAD
QUALITY
ISTOO
LOW.

CHANGE TO A HIGH QUALITY
SEWING THREAD.

5. THREAD
ISJAMMING
AROUNDTHEBOBBIN.

CLEAR OUT THE JAMMING
THREAD.

1. NEEDLE
ISHITTING
THE
NEEDLE
PLATE.

SEE MECHANICAL
ADJUSTMENT "NEEDLE
POSITION".

2. NEEDLE
ISBENT
ORWORN.

CHANGE THE NEEDLE.

3. NEEDLE
ISHITTING
THE
SHUTTLE.

SEE MECHANICAL
ADJUSTMENT "CLEARANCE
BETWEEN NEEDLE AND
HOOK".

,

.

17.

P. 15

ADJUST THE POSITION OF
STOPPER.

3. LINTISSTUCK
INSIDE
THE
BOBBIN
HOLDER.

.

REFERENCE

THE FABRIC MOVES WHILE ' SEE MECHANICAL
THE NEEDLE IS PIERCING IT, ADJUSTMENT "UPPER SHAFT
OR THE NEEDLE ZIGZAGS
SHIELD PLATE POSITION".
WHILE IN FABRIC.

E 69

P. 25

P. 30

:CONVENTIONA
_'WING ONLY)

P. 34

FABRIC IS BEING PULLED
TOO STRONGLY WHILE
SEWING.

GUIDE THE FABRIC GENTLY
WHILE SEWING.

THE NEEDLE THREAD
TENSION IS TOO TIGHTE.

SEE MECHANICAL
P. 39
ADJUSTMENT "NEEDLE THREAD
TENSION,'

IN EMBROIDERY SEWING,
THE PATTERN IS BEING SEWN
OVER ANOTHER PATTERN.

LEAVE SUFFICIENT SPACE
BEFORE SEWING SECOND
PAI_ERN.

9

CONVENTIONA
EWINGONLY)

(EMBROIDERY
ONLY)

SEWING MACHINE DIV. 20

CONDITION
6.

NOISY
OPERATION

CAUSE

PAI"[ERN
DISTORTION

HOW TO FIX

1. BACKLASH BE[WEEN
SHUI_LE HOOK GEAR AND
LOWER SHAFT GEAR IS
TOO GREAT.

SEE MECHANICAL
ADJUSTMENT '" BACKLASH
(LOWER SHAFT GEAR)".

REFERENCE
E 31

LOWER SHAFT GEAR IS
LOOSE.

ELIMINATE THE LOOSENESS.

3,

INAPPROPRIATE BELT
TENSION

SEE PART REMOVAL AND
REPLACEMENT "DC MOTOR
UNIT AND BELTTENSION'".

P. 57

4.

NOT ENOUGH OIL

OIL ALL MOVING

P. 7O

,

7.

MODEL 385.19001890

1. INAPPROPRIATE FEED
BALANCE

.

,

.

SEE MECHANICAL
ADJUSTMENT " STRETCH
STITCH FEED BALANCE ".

INAPPROPRIATE ZIGZAG
SYNCHRONIZATION

.

8.

.

SEE MECHANICAL
ADJUSTMENT " UPPER SHAFT
SHIELD PLATE POSITION'".

P. 37
[CONVENTIONA

SEWINGONLY)

R 34
(CONVENTIONA
BEING

SEE MECHANICAL
ADJUSTMENT "NEEDLE
THREAD TENSION",

R 39

EMBROIDERY FOOT IS NOT
BEING USED.

USE EMBROIDERY FOOT.

(EMBROIDERY
ONlY)

USE STABILIZER.

R18
(EMBROIDERY

ONLY)

THE FABRIC IS NOT SET
PROPERLY ON THE
EMBROIDERY HOOP.

PLACE THE FABRIC TIGHTLY
IN THE EMBROIDERY HOOP
(NO LOOSE FABRIC).

EXTENSION TABLEIS NOT
SETCORRECTLY.

SETTHE EXTENSION TABLE
CORRECTLY.

EMBROIDERY FOOT
CATCHES THE
CONNECTING THREAD.

CUT THE CONNECTING
THREAD WHEN CHANGING
THE COLOR OF THREAD.

(EMBROIDERY

FABRIC IS TOO SMALL FOR
EMBROIDERY HOOP.

USEA PIECE OF FABRIC
LARGER THAN HOOP.

R18

R18
(EMBROIDERY

ONLY)

ON{Y)

(EMBROIDERY

ONLY)

8.

UPPER
THREAD
LOOPING

.

ONLY)

UPPER THREAD TENSION IS
TOO STRONG.

5. STABILIZERIS NOT BEING
USED WITH STRETCHOR
FINE FABRICS.
.

PARTS.

UPPER THREAD TENSION IS
TOO LOOSE.

10

SEE MECHANICAL
P, 39
ADJUSTMENT "NEEDLE THREAE
TENSION."

SEWING MACHINE DIV. 20

MODEL 385.19001890

ELECTRONIC QUICK CHECK
I.CHECKING
TURN THE POWER SWITCH ON.

*IF NOTHING HAPPENS ON THE MACHINE;FIRST, REPLACE THE FUSE(SEE PAGE 50)
1. CHECK ALL WIRE CONNECTIONS
2.

(SEE PAGE 5),

CHECK THE C-BOARD (SEE PAGE 50).
CHECK THE TRANSFORMER (SEE PAGE 51).
CHECK THE SOCKET (SEE PAGE 52),

IF THE C-BOARD,TRANSFORMER

AND SOCKET ARE ALL OK, AND

NOTHING HAPPENS ON THE MACHINE, REPLACE THE A-BOARD (SEE PAGE 53).
*IF SEWING LIGHT DOES NOT TURN ON;
1.

CHECK THE FILAMENT IN THE LIGHT BULB.
IF THE FILAMENT IS BROKEN, REPLACE THE LIGHT BULB.

2.

IF LIGHT BULB IS OK, AND LIGHT STILLDOES NOT TURN ON, REPLACE
THE A-BOARD (SEE PAGE 53).

*IF LCD DOES NOT TURN ON;
1, TURN THE SCREEN SHARPNESS ADJUSTMENT DIAL.
2.

IF LCD STILLDOES NOT SHOW ANYTHING, REPLACE THE A-BOARD FIRST.IF
LCD STILLDOES NOT TURN ON, REPLACE THE LCD.

*IF LCD SHOWS NOTHING;
1. REPLACE A-BOARD FIRST.IF LCD STILLSHOWS NOTHING, REPLACE THE LCD.

2.PREPARATION
_BECAREFUL IN CHECKING ALL OPERATIONS SINCE THE MACHINE MAY
SUDDENLY STARTRUNNING,

1. TURN THE POWER SWITCH OFF,
2.

SETTHE BOBBIN WINDER SPINDLE TO THE LEFT,

3.

RAISE THE FEED DOG.

4.

SHIFTSPEED SETTING SLIDE LEVER TO THE LEFT.

5.

DETACH THE PRESSERFOOTAND

6.

MOVE THE NEEDLE BAR TO THE UP POSITION.

RAISE THE PRESSERFOOT LIFTER.

7, CONNECT THE FOOT CONTROL.
8.

LOWERTHE BH LEVER,

11

SEWING MACHINE DIV. 20

MODEL 385.19001890

ELECTRONICQUICK CHECK
CHECK OPERATION
*THIS QUICK CHECK MUST BE PERFORMED IN THE SEQUENCE SHOWN.FOLLOW
CAREFULL,DO NOT SKIP ANY PROCEDURE.
*ON THE FOLLOWING STEPS
.PRESS UP/DOWN

NEEDLE BuYroN IF CORRECT CONDITION

EACH STEP

FOR NEXT STEP.

.PRESS AUTO-LOCK BUTTON IF DEFECT CONDITION.
STEP

TEST

CORRECTCONDITION DEFECT CONDITION & CORRECTION
• BUZZERSOUNDS
• NO BUZZER
• REPLACE ASOUNDS AND
(LCD SHOWS
BOARD (SEE P.53)
COULD NOT
"BUZZER")
ENTERTEST
MODE
oLCD MODULE
PROGRAM
VERSION. ALSO,
PROGRAM WILL
BE LOCKED
PRESSFOLLOWING (LCD SHOWS "S/S,
02) UP/DOWN
• NO BUZZER
• FIRST,CHECK THE
NEEDLE
KEYS SEQUENTIALLY REV, AL, U/D KEY")
SOUNDS AND
F-BOARD (SEE
BuYroN,
•START/STOP
• BUZZERSOUNDS
PROGRAM WILL
P.66) IF F-BOARD
AUTO-LOCK
BuYroN
FOR NEXT STEP
BE LOCKED
ISOK, THEN
BUTTON,
• REVERSE BUYTON
REPLACE THE AREVERSE
•AUTO-LOCK
BOARD (SEE P.53)
BuYroN, AND
BUTTON
START/STOP
• UP/DOWN BUTBUI_ON TEST TON
03) LCD UNIT
• PRESS"PRESSTHIS • BUZZERSOUN DS
• NO BUZZER
• FIRST,REPLACE AKEY"ON LEFTSIDE
AND INDICATES
SOUNDS AND
BOARD (SEE P.53)
"PRESSTHIS KEY"AT PROGRAM WILL
IF NO SOUND
PRESS
APPOINTEDKEY
RIGHT HAND SIDE
BE
LOCKED
OCCURS
AFTER
PRESS
ON LCD
REPLACING ATHISKEY
_'_
• BUZZERSOUNDS
BOARD, REPLACE
• PRESS*PRESSTHIS FOR NEXT STEP
THE LCD UNIT (SEE
KEY" ON RIGHT
P.54)
SIDE
• SHIFTTHE BOBBIN (LCD SHOWS
04) BUBBIN
• NO BUZZER
• REPLACE AWINDER
WINDER SPINDLE "SPOOL')
SOUNDS
BOARD (SEE P.53)
SWITCH TEST
TO THE RIGHT
*BUZZER SOUNDS
THEN THE LEFT
EVERYTIME WHEN
BOBBIN WINDER
SPINDLE ISSHIFTED
05) SPEED SET*SHIFT SPEED
(LCD SHOWS
• NO BUZZER
• FIRST,CHECK
SLIDING VOLUME
TiNG SLIDE
SETTING SLIDE
"SLIDING VOLUME")
SOUNDS
(SEE P.56). IF
LEVERTEST
*BUZZER SOUNDS
LEVER TO RIGHT,
SLIDING VOLUME IS
THEN TURN BACK
AT LEFT& RIGHT
OK, REPLACE ATO LEFT
POSITION
BOARD (SEEP.53)
• DEPRESSTHE
06) FOOT
(LCD SHOWS
• NO BUZZER
• FIRST,CHECK
CONTROLLEi_
FOOT CONTROLSOUNDS
"CONTROLLER")
FOOT CONTROL
TEST
LER FULLYAND
• BUZZERSOUNDS
(SEE P.66). IF FOOT
RELEASEtT
WHEN FOOT
CONTROL IS OK,
CONTROLLER IS
REPLACE ADEPRESSEDFULLY
BOARD (SEE P.53)
AND RELEASED

01) BUZZER

TURN ON THE
POWER SWITCH
WHILE PRESSING
REVERSE BU_ON

12

SEWING MACHINE DIV. 20
STEP

MODEL 385.19001890
TEST

CORRECTCONDmOB

DEFECT CONDITION & CORRECTION

07) PRESSER F-OO" (LCD SHOWS "FOOl
SENSOR TEST LEVER')
• PRESSU/D NEEDLE
BUTTON FOR NEXT
STEP
•
SHIFT THE BH
(LCD SHOWS "BH
•NO BUZZER
• FIRST,CHECK F08) BUITONHOLE
SENSOR TEST LEVER BACK &
SOUNDS
SENSOR STATE')
BOARD (SEEP.66)
•WHEN LEVBR IS
FORTH GENTLY
IF F-BOARD ISOK,
PULLED TOWARD
REPLACE AYOU--BUZZER
BOARD (SEEP.53)
SOUNDS & INDIIF BOTH F-BOARD
CATES "CLOSED"
& A-BOARD ARE
ON LCD BOARD
OK, REPLACE BH
• WHEN LEVER IS
SENSOR (SEE P.59]
RELEASED-BUZZERSOUNDS &
INDICATES "OPEN"
ON LCD BOARD
• LCD DOES NOT • FIRST,REPLACE A09) UPPER SHAFT • TURN THE HAND
(LCD SHOWS "BH
WHEEL TOWARD
SHOW "BIGHT"
POSITIONING
SENSOR")
BOARD (SEE P.53)
SENSOR TEST YOU TO MOVE
• LCD SHOWS
OR "FEED". ALSO
IF LCD ISSTILL
"BIGHT" WHEN
LCD DOES NOT
THE NEEDLE BAR
INCORRECT,
NEEDLE IS AT
TO HIGHEST POSICHANGE INDIREPLACE UPPER
TION AND LOWEST HIGHEST POSITION
CATION WHILE
SHAFT SENSOR
POSITION
• LCD SHOWS
TURNING
(SEE P.60)
"FEED"WHEN
HANDWHEEL
NEEDLE ISAT
LOWEST POSITION
• RAISE THE NEEDLE (LCD SHOWS "STEP- • NOT WORKING
10) STEPPING
• FIRST,CHECK
MOTOR TEST BAR TO HIGHEST
CORRECTLY
STEPPING MOTOR
PING MOTOR')
POSITION AND
• ZIGZAG STEPPING
(SEE P.69). IF
MOTOR WILL
PUSH START/STOP
STEPPING MOTOR
BUTrON
MOVE THE
ISOK, REPLACE
• LOWER THE
NEEDLE, LEAVING
A-BOARD (SEE
NEEDLE BAR TO
IT IN THE CENTER
P.53)
LOWEST POSITION
POSITION
AND PUSH START/ • THE FEED DOGS
WILL MOVE BACK
STOP BUTTON
AND FORTH IN THE
LOWER POSITION,
THEN STOP
• X AND Y-AXIS
STEPPING MOTOR
WILL MOVE THE
CARRIAGE TO
HOME POSITION
• FEED DOG TO
HOME POSITION
• NOT STOPPING
• FIRST,CHECK THE
11) MACHINE
• PRESSSTART/STOP (LCD SHOWS "DC
BU1-FON
AT
THE
HIGHEST
MOTOR TEST
MOTOR")
DC MOTOR (SEE
POSITION OR
• MACHINE RUNS
P. 67). IF DC
MOTOR IS OK,
SLOW, AND FAST,
RUNNING AT
THEN NEEDLE BAR
UNEVEN SPEED
REPLACE ASTOPSAT THE
BOARD (SEE P.53)
HIGHEST POSITION
WHEN

ALL STEPSARE DONE. PRESS UP/DOWN

BUTTON. CORRECT CONDITION :LCD SHOWS" OK
1,2,
3,4,5,6,7.8,9.10._.*""SUMMARY ....
OK OK OKOK OK O_ OK OK OK
DEFECT CONDITION : LCD SHOWS "NG" UNDER THESTEP NUMBEr_.

13

SEWING MACHINE DIV. 20

MODEL 385.19001890

MAIN KEY FUNCTION

/_

(5)

1c I. u
(6)

(7)

(1)
(1)

START/STOP BUTTON ................ CONVENTIONAL AND EMBROIDERY SEWrNG
..
WITHOUT FOOT CONTROL

(2)

REVERSE BU_QN ..................... REVERSESTITCHING WHILE PREYING THISBUI_QN

(3)

AUTO-LOOK BUNON .............. SEWS IN PLACE FOR A FEW STITCHESTHEN AUTOMATICALLY STOPS

(4)

UP/DOWN

NEEDLE BUTrON .,. FOR CHANGING

THE NEEDLE POSITION (UP OR

DOWN)
(5)

MEMORY KEY .......................... FOR MEMORIZING

LETFERSAND NUMBERS(EMBROI-

DERY ONLY)
(6)

CLEAR KEY ...............................

(7)

MENU KEY ................................

TO CLEAR THE MEMORIZED MONOGRAMS
(EMBROIDERY ONLY)
FOR CHOOSING

BETWEENCONVENTIONAL

SEWING

AND EMBROIDERY SEWING
(8)

LEI-FERSIZE KEY ........................ FOR CHANGING

THE SIZEOF LETTERS/NUMBERS

(9)

UPPER/LOWER CASE KEY ....... FOR SELECTING UPPER OR LOWER CASE LETTERS

(EMBROIDERY ONLY)
(EMBROIDERY ONLY)
(10)

SPACE CHECK KEY .................. TO MOVE THE CARRIAGE TO THE DESIRED POSITION

(11)

PREVIOUS PAGE KEY ............... TO CHANGE THE PATrERN SCREEN TO PREVIOUS

(EMBROIDERY ONLY)
PAGE
(12)

NEXT PAGE KEY ....................... TO CHANGE THE PATTERNSCREEN TO NEXT PAGE

(13)

RETURN KEY .............................. TO RETURNTO THE PREVIOUS DISPLAY

14

SEWING
MACHINEDIV.20

MODEL385.19001890

WINDING THEBOBBIN
(1)

PASS THE THREAD AROUND THREAD GUIDE.

(2) THEN THROUGH THE HOLE IN THE BOBBIN.
(3)

PUT THE BOBBIN ON THE BOBBIN WINDER SPINDLE, AND PUSH THE BOBBIN TO THE RIGHT.

(4) WHEN THE BOBBIN IS FULLYWOUND, ITWILL STOP AUTOMATICALLY. RETURNTHE BOBBIN
WINDER TO ITSORIGINAL POSITION BY MOVING

THE SPINDLE TO THE LEFT,AND CUT THE

THREAD AS SHOWN.

(2)

/
I
• INSERTING THE BOBBIN

PLACE THE BOBBIN IN THE BOBBIN HOLDER WITH THE
THREAD RUNNING

OFF IN THE COUNTERCLOCKWISE

DIRECTION.

(1)

(1) END OF THREAD

GUIDE THE THREAD INTO THE NOTCH (A) ON THE FRONT
SIDE OF THE BOBBIN HOLDER.
DRAW THE THREAD TO THE LEFT,SLIDING IT BEIWEEN THE
TENSION SPRING BLADES,
•

(2)

(2) NOTCH (A)
CONTINUE

TO DRAW THE THREAD LIGHTLY UNTIL THE

THREAD SLIPSINTO NOTCH (B).
PULL OUT ABOUT 15 CM (6") OF THREAD.
(3) NOTCH (B)

(4)

ATTACH THE HOOK COVER PLATE.
CHECK THE THREADING BY REFERRING TO THE CHART
SHOWN ON THE HOOK COVER PLATE,
(4) THREADING CHART

15

SEWING MACHINE DIV. 20

MODEL 385.19001890

THREADING THE MACHINE
RAISE THE PRESSERFOOT LIFTER,AND PASSTHE THREAD THROUGH POINTS (I) TO (6).
(1)

HOLD THE UPPER THREAD AND PASS THE THREAD UNDER THE THREAD GUIDE. PULL THE
THREAD DOWN ALONG THE GROOVE.

(2)

DRAW THE THREAD AROUND THE CHECK SPRING HOLDER FROM RIGHT TO LEFT,THEN
PULL UP THE THREAD.

(3)

FIRMLY DRAW THE THREAD FROM RIGHT TO LEFTAND PULL IT TOWARD YOU INTO THE
EYE OF THE THREAD TAKE-UP LEVER,THEN DOWN TO THE LOWER THREAD GUIDE.

(4)

DRAW THE THREAD FROM RIGHT TO LEFTBEHIND THE LOWER THREAD GUIDE.

(5)

SLIDE THE THREAD BEHIND THE NEEDLE BAR THREAD GUIDE FROM THE LEFT.

(6)

THREAD THE NEEDLE FROM FRONT TO BACK USING THE NEEDLE THREADER.

(3)

;

(1)

(4)

(5)

(6)

J
J

16

SEWING MACHINE DIV. 20

MODEL 385.19001890

WHEN MESSAGESAPPEAR ON THESCREEN

MESSAGE

FOR THREAD

BROKEN TURN OFF THE

POWER SWITCH, AND RE-THREADING.
THE VISUAL TOUCH SCREEN SHOWS 'BOBBIN WINDING" CONDITION.
AFTER THE BOBBIN IS WOUND,

RETURN THE BOBBIN

WINDER TO ITSORIGINAL POSITION BY MOVING

THE

SPINDLE TO THE LEFT.

RAISE THE NEEDLE BAR BY PRESSING THE UP/DOWN
STOPFOR SAFETYPURPOSES

OOOOOOO

NEEDLE BUTTON.
(THIS MESSAGE WILL APPEAR WHEN THE POWER
SWITCH IS TURNED ON WITH THE NEEDLE LOWERED.)

INSERT CPRD

€..=

0000000

TURN OFF THE POWER SWITCH,

AND INSERT THE

MEMORY CARD AGAIN.

PRESS THIS BUTTON "@"
TO RAISE NEEDLE BPR

I

•" "•" •"

DISAPPEARS
(ABOUT
SECONDS).
STOP
OPERATING
THE15
MACHINE
UNTIL THISMESSAGE
(WHEN THE MACHINE IS OVER LOADED.)

SYSTEM ERROR

I

*°'**°°

1. CHECK THE MECHANISM

OF ZIGZAG, FEED AND

CARRIGE IF THERE IS ANY FOREIGN OBJECT OR
MECHANICAL

PROBLEM

WHICH

OBSTRUCTS

MOVEMENT OF STEPPING MOTOR MECHANISM.
ZIGZAG STEPPING
MOTOR
FEED STEPPING
MOTOR

\

.

CHECK THE GEAR AREA OF THE 4 STEPPING MOTORS FOR LINT,AS ILLUSTRATED.

3. CHECK ALL CONNECTORS OF THE STEPPING MOTORS ARE SECURLY CONNECTED.
4. CHECK

THE STEPPING MOTOR

FUNCTION

BY

"ELECTRONIC QUICK CHECK".
5. CHECK STEPPING MOTORS BY A ELECTRICTESTER.

@

17

Y-AXIS
STEPPING MOTOR
MOTOR
-AXIS STEPPING

SEWINGMACHINE
DIV.20

MODEL385.19001890

TO ATTACH THE STABILIZER
PLACE THE GLUE (SHINY) SIDE OF THE STABILIZERON
THE FABRIC AND IRON AS ILLUSTRATEDUSING MEDIUM
TEMPERATURE,
(1) STABILIZER
(2)

FABRIC

I

TO SETTHEFABRIC IN THE EMBROIDERYHOOP
MARK THE DESIRED EMBROIDERING POSITION ON THE
FABRIC AS ILLUSTRATEDUSING TAILOR'S CHALK.
(3)

FABRIC

(4)

REFERENCELINES

PLACE THE TEMPLATEON THE FABRIC, MATCHING THE

(6)

(5)

REFERENCELINES LOCATED ON THETEMPLATE TO THE
REFERENCE LINES YOU PREVIOUSLY MARKED ON THE
FABRIC.
TAPE THE TEMPLATE TO THE FABRIC AS SHOWN TO
HOLD THETEMPLATEIN PLACE. (SCOTCH TAPE ISRECOMMENDED.)

A

(5) TAPE
(6) TEMPLATE
PLACE THE FABRIC WITH THE TEMPLATE ATTACHED TO

(_(8)

IT AND SETIT ON TOP OF OUTER HOOP.
SETTHE INNER HOOP ON TOP OF YOUR FABRIC.
(7)

INNER HOOP

(8)

RIGHT SIDE OF FABRIC

(9)

STABILIZERON WRONG SIDE OF FABRIC

(10)_C

(10) OUTER HOOP
PUSH THE FLATSIDE "A" OF THE INNER HOOP INTO THE
FLATSIDE "B" OF THE OUTER HOOP.
WHILE SQUEEZING THE HANDLES "C" TOGETHER, PUSH
THE ROUND

PART OF THE INNER HOOP

INTO THE

ROUND PART OF THE OUTER HOOP SO THE MATERIAL
ISSECURE.

TAKE OUT THE TEMPLATEBY PU_ING YOUR FINGER IN
THE THUMB HOLE LOCATED ON THE TEMPLATE AND
LIFTUP.
(11) FOR EASY REMOVAL OF TEMPLATE (THUMBHOLE)
18

(11)

(9)

SDA/ING MACHINE DIV. 20

MODEL 385.19001890

SERVICEACCESS
FACE COVER
TO REMOVE:
1.

REMOVE THE 2 SCRE"WS(A) AND REMOVE THE FACE COVER (B).

TO ATTACH:
2.

REPLACE THE FACE COVER BY LIGHTLYTIGHTENING THE 2 SCREWS (A).

3.

CLOSE THE FACE COVER, CAREFULLY ALIGNING IT WITH THE BODY. THEN TIGHTEN THE
SCREWS FIRMLY.

TOP COVER
TO REMOVE:
1.

REMOVE THE CAP(C)

AND SCREW (D).

LIFTTHE CARRYING HANDLE (E) UP. REMOVE

THE SCREW (F).
2.

LIFTTHECARRYING HANDLE UP. REMOVE THETOP COVER (G) IN THE DIRECTION SHOWN.

TO ATTACH:
3,

REVERSETHIS PROCEDURE.

SC REW (F)

FACE COVER

(B)

SCREW (A)

CARRYING HANDLE (E)
TOP COVER UNIT (G)

19

SEWING MACHINE DIV. 20

MODEL 385. ] 900 ] 890

SERVICEACCESS
BELTCOVER
TO REMOVE:
1.

LOOSEN SCREW (A), REMOVE SCREWS (B), (C) AND'WASHER (D). THEN REMOVE THE
BELTCOVER (E).

TO ATTACH:
2.

REVERSETHIS PROCEDURE.

HANDLE

_._-

SCREW (A)

BELTcovER

(E)

FRONT PANEL

SCREW (B)

..

SCREW (C)

;"
WASHER(D)

2O

SEWING MACHINE DIV. 20

MODEL 385.19001890

SERVICEACCESS
BASE COVER

TO REMOVE:
I.

MOVE THE CARRIAGE (A) BY HAND, WHEN MOVING IT,HOLD THE LOWER PART, NEVER
THE UPPER PART.

2.

REMOVE THE 3 SCREWS (B) AND REMOVE THE CARRIAGE WINDOW

3.

REMOVE THE 2 SCREWS (D) AND REMOVE THE BASE COVER (E).

FRAME (C).

TO ATTACH:
4,

REVERSETHIS PROCEDURE.

SCREW (D)
CARRIAGE (A)

SCREW (B)

BASE COVER (E

WINDOW FRAME (C).
MOVING

THE LOWER PART

21

SEWING
MACHINEDIV.20

MODEL385.19001890

SERVICEACCESS
BED COVER

TO REMOVE:
1.

REMOVE THE WINDOW FRAME, AND THE BASE COVER.

2.

REMOVE THE 2 SCREWS (A), AND REMOVE THE BASE LID (1).

3.

REMOBE THE 2 SCREWS (B), AND REMOVE THE BED COVER (C).

TO ATTACH:
4,

REVERSETHISPROCEDURE.

NOTE:

MAKE SURE THE POSITION OF THE DROP LEVER (D) ISAS ILLUSTRATED.

I II
J

BED COVER (C)

SCREW(B)

BASE LID (1)

DROP LEVER (D)

22

SCREW(A)

SDNINGMACHINE
DIV.20

MODEL385.19001890

SERVICE ACCESS
BASE UNIT

TO REMOVE:
1.

REMOVE THE BELTCOVER.

2.

PULL THE CONNECTORS

FOR THE X-AXIS (WHITE) AND Y-AXIS (BLUE) MOTORS FROM A-

BOARD.
3.

REMOVE THE 4 SCREWS (A) AND THE BASE UNIT (B).

TO ATTACH:
4.

FOLLOW THE ABOVE PROCEDURE tN REVERSE.

CONNECTOR FOR X AXIS MOTOR (WHITE)

/

CO, NNECTOR FOR Y AXIS MOTOR (BLUE)

SCREWS (A)

BASE UNIT (B)

23

SEWING MACHINE DIV. 20

MODEL 385.19001890

SERVICEACCESS
FRONT COVER

TO REMOVE:
1.

REMOVE THE TOP COVER AND BELTCOVER UNIT.

2.

REMOVE THE SCREW(A) AND ARM THREAD GUIDE (LOWER) (F), LOOSEN THE SCREWS
(B), (C), (D) AND (E).

3.

UNPLUG 12 CONNECTORS
INVERTER.

FROM A-BOARD (G). AND LCD CONNECTOR

4.

REMOVE THE FRONT COVER UNIT.

TO ATTACH:
1.

FOLLOW THE ABOVE PROCEDURE IN REVERSE.

ARM THREAD GUIDE
(LOWER) (F)
SCREW (A)

SCREW (B)

SCREW (C)

SCREW

SCREW (E)

24

(H) FROM

SEWING
MACHINEDIV.20

MODEL385.19001890

MECHANICAL ADJUSTMENT
NEEDLE POSITION
*WHEN THE STRAIGHT STITCH IS SELECTED, THE NEEDLE SHOULD BE AT THE CENTER OF
HOLE OF THE NEEDLE PLATE.
*WHEN THE ZIGZAG STITCHIS SELECTED WITH THE ZIGZAG WIDTH SETTO THE MAXIMUM
(7.0), THE CLEARANCE BETWEEN THE SIDE OF THE NEEDLE AND THE EDGE OF HOLE OF
THE NEEDLE PLATE AT THE LEFTAND RIGHT NEEDLE POSITION SHOULD BE 0.2 MM OR
MORE.
MACHINE SETTING:
1.

PATTERN:

2.

NEEDLE BAR : LOWEST POSITION

NO.1 (STRAIGHT STITCH)

PREPARATION:
1.

OPEN THE FACE COVER AND LOOSEN THE SETSCREW (A).

2.

MOVE THE ZIGZAG ROD (B) LEFTOR RIGHT TO SETTHE NEEDLE (C) AT THE CENTER OF THE
HOLE OF THE NEEDLE PLATE(D). THEN TIGHTEN THE SCREW (A),

TO CHECK:
1.

SELECT THE ZIGZAG STITCH(NO.5).

2.

TURN THE HANDWHEEL TOWARD YOU AND CHECK IF THE CLEARANCE BETWEEN THE

SETTHE ZIGZAG WIDTH TO THE MAXIMUM (7.0).

SIDE OF THE NEEDLE AND THE EDGE OF HOLE OF THE NEEDLE PLATE, AT THE LEFTAND
RIGHT NEEDLE POSITION, IS 0.2 MM OR MORE.

SETSCREW (A)

HOLE OF NEEDLE PLATE(D)

ZIGZAG ROD (B)

I1

i

I
_0.2

MM OR
MORE

0.2 MM OR MORE_t_
NEEDLE #14 (C)

i _1
A=B

25

SEWING MACHINE DIV. 20

MODEL 385.19001890

MECHANICAL ADJUSTMENT
NEEDLE BAR HEIGHT

MACHINE

SETTING:

I. PAI-rERN:
2.

NO.I (STRAIGHT STITCH)

TURN THE POWER

SWITCH OFF.

PREPARATION:
1

REMOVE THE NEEDLE, PRESSERFOOT, NEEDLE PLATE(A) AND BOBBIN HOLDER (B).

2.

INSERTTHE RADIAL TIMING GAUGE #68497 (C) INTO THE HOOK.

3.

AI-rACH THE NEEDLE BAR HEIGHT GAUGE#68168

(D).

*PUSH IT UP UNITL IT STOPS.
4.

TIGHTEN SCREW (E).

TO CHECK:
1.

TURN THE POWER SWITCH ON.

2.

TURN THE HANDWHEEL TOWARD YOU UNTIL THE NEEDLE BAR (F) REACHES ITSLOWEST
POSITION.
*IF FINGER (G) COMES DOWN ON TOP OF PIN (H), OR IF PIN (I) TOUCHES THE SURFACE
OF GAUGE (K) TOO FORCEFULLY,ADJUST AS DESCRIBED ON THE NEXT PAGE.

3.

THE FACE OF FINGER (G) SHOULD HIT THE SIDE OF PIN (H) AND THE END OF PIN (I)
SHOULD TOUCH THE SURFACE OF GAUGE (K) WHEN THE NEEDLE BAR (F) REACHES ITS
LOWEST POSITION.

26

SEWING MACHINE DIV. 20

MODEL 385.19001890

MECHANICAL ADJUSTMENT
NEEDLEBAR HEIGHT

ADJUSTMENT PROCEDURE:
1.

OPENTHE FACE COVER.

2.

LOOSEN THE SCREW (M) ON THE NEEDLE BAR HOLDER (L).

3.

MOVE THE NEEDLE BAR (F) UP OR DOWN TO ADJUST THE POSITION OF THE NEEDLE BAR
(F) SO THATTHE FACE (G) HITSTHE SIDE OF PIN (H) AND THE END OF PIN (I) TOUCHES THE
SURFACE OF GAUGE (K).

4.

TIGHTEN THE SCREW (M) SECURELY.

NEEDLE BAR (F)

/
NEEDLE BAR HOLDER

J

SCR
J

ACREW (E)
(G)

(K)_
AGUGE #68497 (C)

27

SEWING MACHINE DtV. 20

MODEL 385.19001890

MECHANICAL ADJUSTMENT
NEEDLETO SHUTrLETIMING

MACHINE

SETTING:

I. PAI-rERN:
2.

NO.I (STRAIGHT STITCH)

TURN THE POWER

SWITCH OFF.

PREPARATION:
I. REMOVE
2.

GAUGE
3.

THE NEEDLE, PRESSER FOOT, NEEDLE PLATE (A)AND

INSERT THE RADIAL TIMING GAUGE

BOBBIN HOLDER (B).-

#68497 (C) SO THAT THE SMALL

FINGER ON

THE

FITSINTO THE SLOT NEAR THE TIPOF THE HOOK.

PUT THE TESTPIN#68368 (D)IN THE NEEDLE HOLDER (E).
*PUSH ITUP UNTIL ITSTOPS.

4.

TIGHTEN THE NEEDLE CLAMP

SCREW

(F).

TO CHECK:
1,

TURN THE POWER SWITCH ON.

2,

TURN THE HANDWHEEL TOWARD YOU UNTIL THE TIP OF TESTPIN #68368 (D) SLIGHTLY
TOUCHES THE RADIAL TIMING GAUGE #68497 (C).

3.

THE TIP OF TESTPIN #68368 (D) SHOULD BE BETWEENTHE TWO WHITE LINES OF THE
RADIAL TIMING GAUGE _58497(C).
*IF THE TESTPIN DOES NOT FALL BETWEEN THE 2 WHITE LINES ON THE RADIAL TIMING
GAUGE, ADJUST AS FOLLOWS.

NEEDLE PLATE(A)
NEEDLE
CLAMP
i

SCREW (F)

BOBBIN HOLDER (B)
_J
TESTPIN #68368 (D)
GAUGE #68497 (C)

28

NEEDLE
HOLDER (E)

SEWING MACHINE DIV. 20

MODEL 385.19001890

MECHANICAL ADJUSTMENT
NEEDLETO SHUITLETIMING
ADJUSTMENT PROCEDURE:
I.

TURN THE POWER SWITCH OFF.

2.

REMOVE THE BELTCOVER (SEE P.20).

3.

REMOVE THE 4 SCREWS (G), THEN BASE LID 2 ( I ).

4.

TURN THE POWER SWITCH ON, AND SELECT PATTERNNO.1 (STRAIGHT STITCH).

5.

LOOSEN THE 2 SCREWS IN THE LOWER SHAFT TIMING GEAR (J).

6.

TURN THE HANDWHEEL TOWARD YOU UNTIL THE TESTPIN (D) SLIGHTLY TOUCHES THE
RADIAL TIMING GAUGE (C)..

7.

HOLD THE HANDWHEEL SO THATTHETESTPIN (D) WILL NOT MOVE, AND TURN THESHUT[LE
HOOK (K) BY YOUR FINGER UNTIL THE TESTPIN (D) COMES IN BETWEENTHE TWO WHITE
LINES OF GAUGE #68497 (C).

8.

TIGHTEN 2 SCREWS (H).

9.

ATTACH THE BASE LID (2), BASE COVER, BED COVER, AND BELTCOVER.

HEXAGON SCREW (H)

LOWER SHAFT

_

i

NEEDLE
CLAMP

\

TESTPIN (D)
•

_
1

NEEDLE HOLDER (E)
; _/SHUTTLE

BASE LID 2(I)

(C_

_

SCREW

29

HOOK (K)

SEWING MACHINE DIV. 20

MODEL 385.19001890

MECHANICAL

ADJUSTMENT

CLEARANCE BETWEENNEEDLEAND HOOK

*THE CLEARANCE BETWEEN THE NEEDLE AND THE POINT OF HOOK SHOULD BE -0.1 TO
+0.05 MM.
PREPARATION:
1.

REMOVE THE NEEDLE PLATE, BOBBIN HOLDER, BASE COVER, BASE LID AND BED COVER
UNIT (SEE P.22), AND REPLACE THE NEEDLE WITH THE TESTPIN (D) #68368.

2.

TURN THE POWER SWITCH ON, AND SELECT PATTERNNO. 5 (ZIGZAG STITCH).

ADJUSTMENT PROCEDURE:
1.

LOOSEN THE SCREWS (A),(B),(C),

THEN SLIGHTLYTIGHTEN THE HINGE SCREW(C).

2.

TURN THE HANDWHEEL TOWARD YOU, AND ADJUST THE CLEARANCE BETWEENTHE MASTER NEEDLE AND THE POINT OF THE HOOK IN THE LEFTAND RIGHT NEEDLE POSITION TO
-0.1 TO +0.05mm

BY MOVING THE HOOK SETPLATE(E) UP OR DOWN.

3.

TIGHTEN THE SCREWS(A),(B),(C).

4,

CHECK THE BACKLASH OF THE HOOK DRIVE, GEAR AND LOWER SHAFT GEAR. IF THE
BACKLASH IS TOO GREAT OR NOT ENOUGH, ADJUST THE BACKLASH IN ACCORDANCE
WITH 'TO ADJUST THE BACKLASH OF HOOK DRIVE GEAR AND LOWER SHAFT GEAR"
(SEE P.31),

5.

ATTACH THE BED COVER UNIT, BASE COVER, BASE LID, NEEDLE PLATE AND BOBBIN
HOLDER, AND REMOVE THE TESTPIN (D).

SCREW (C)

#68368
TESTPIN (D)_

_

S
POINT OF HOOK

+0.05 to 43.I mm

HOOK SETPLATE (E)

3O

SEWING MACHINE DIV. 20

MODEL 385.19001890

MECHANICAL ADJUSTMENT
BACKLASH (LOWER SHAFT GEAR)
TO CHECK:
1.

TURN THE POWER SWITCH OFF.

2.

REMOVE THE NEEDLE PLATE AND BOBBIN HOLDER.

3.

TURN THE HANDWHEEL SLOWLY TOWARD YOU UNTIL THETIP OF THE SHUTI'LEHOOK (A) IS
BETWEEN BOTH ENDS (B) OF FEED DOG.

4,

ROTATETHE HOOK RACE CLOCKWISE AND COUNTERCLOCKWISE BY FINGER. CHECK
THE PLAY. iTSHOULD BE WITHIN 0.8 MM.
"IFTHEREISMORE THAN 0.8 MM BACKLASH BEIWEEN THE GEARS, ADJUST AS FOLLOWS.

ADJUSTMENT PROCEDURE:
1.

REMOVE THE BED COVER (SEE P.22) AND LOOSEN THE SCREW (C).

2.

TURN THE LOWER SHAFT BUSHING (D) (ECCENTRIC),

IN THE DIRECTION "E" WHEN THE

PLAY AT SHUTTLEHOOK TIP ISTOO SMALL.
3.

TURN THE LOWER SHAFT BUSHING (D) (ECCENTRIC),

IN THE DIRECTION "F" WHEN THE

PLAY AT SHUTTLEHOOK TIP ISTOO LARGE,
4.

TIGHTEN SCREW (C) SECURELYAFTER ADJUSTMENT.

(B)
TIP OF SHUTI-LE
HOOK (A)

F

CHECK THE
PLAY

--_v_,

LOWER SHAFT BUSHING (D)

I

GROOVE

•LOWER SHAFT GEAR
F

E

31

OF LOWER SHAFT BUSHING (D)

SEWING
MACHINEDIV.20

MODEL385.19001890

MECHANICAL ADJUSTMENT
FEED DOG HEIGHT

MACHINE

SE'I'rlNG:

I. PATIERN:

NO. 1 (STRAIGHT STICH)

2.

STITCH LENGTH:

5.0 (MAX)

3.

NEEDLE BAR:

HIGHEST POSITION

PREPARATION:
1.

REMOVE THE PRESSERFOOT.

2.

PUT THE FEED DOG HEIGHT GAUGD_3496

(C) ON THE NEEDLE PLATE.

TO CHECK:
I. PLACE THE FEED DOG
DOG

HEIGHT GAUGE

ISRAISED,THE GAUGE

2.

TURN THE GAUGE

3.

IFTHE GAUGE

OVER

#68496 (C) WITH FACE (A) UP. WHEN

SHOULD

NOT MOVE,

SO FACE (B)ISUP.THE GAUGE

DOES NOT MOVE,

SHOULD

MOVE.

ADJUST,

GAUGE
FACE(A)

FACE(B)

0.95 MM

0.75 MM

FEED DOG HEIGHT

NOT MOVING

MOVING

NOT MOVING

NOT MOVING

MOVING

MOVING

#68496 (C)

32

CORRECT
LOW
HIGH

THE FEED

SEWING MACHINE DIV. 20

MODEL 385.19001890

MECHANICAL ADJUSTMENT
FEED DOG HEIGHT
ADJUSTMENT PROCEDURE:
1.

REMOVE THE BASE COVER, BASE LID AND BED COVER UNIT (SEE P.22).

2.

TURN THE POWER SWITCH ON.

3.

TURN THE BALANCE WHEEL TOWARD YOU AND SETTHE FEED DOG AT THE HIGHEST
POSITION.

4.

LOOSEN THE ADJUSTING SCREW (A) AND NUT (B).

5.

TO ADJUST THE FEED DOG HEIGHT, TURN THE ADJUSTING SCREW (C) IN THE DIRECTION
"D" OR "E".

6.

FIRST,TIGHTEN THE NUT (B) AND THEN TIGHTEN THE SCREW (A).

7.

ATrACH THE BED COVER UNIT, BASE COVER, AND BASE LID.

E (TO RAISE)

SCREW (A)

(TO LOWER)

NUT (B)
ADJUSTING SCREW (C)

33

SEWING MACHINE DIV. 20

MODEL 385.19001890

MECHANICAL ADJUSTMENT
UPPER SHAFT SHIELD PLATEPOSITION
TO CHECK:
1.

WHEN THE MACHINE IS SET FOR ZIGZAG STITCH, THE NEEDLE SHOULD STARTTO SWING
7.7 TO 8.7 MM ABOVE THE SURFACE OF THE NEEDLE PLATE.

ADJUSTMENT PROCEDURE:
1.

REMOVE THE TOP COVER UNIT (SEE P.19). TURN ON THE POWER SWITCH. SELECT ZIGZAG STITCH NO. 5.

2.

TURN THE HANDWHEEL TOWARD YOU SLOWLY, WITH YOUR HAND, UNITIL THE NEEDLE
STARTSTO SWING,

3.

IF HIGHER THAN 8.7MM, LOOSEN THE SCREW (C) AND TURN THE UPPER SHAFT SHIELD
PLATE(D) IN DIRECTION "B".

4,

IF LOWER THAN 7.7MM, LOOSEN THE SCREW (C) AND TURN THE UPPER SHAFT SHIELD
PLATE (D) IN DIRECTION "A".

5.

PUSH THE UPPER SHAFT SHIELD PLATE AS CLOSE AS POSSIBLE TO THE LEFT. (IT SHOULD
NOT TOUCH THE UPPER SHAFT SENSOR). THEN TIGHTEN THE SCREW.

6.

TURN THE BALANCE WHEEL TOWARD YOU. CHECK THE STARTING POINT OF THE NEEDLE
SWING. A1TACH THE TOP COVER UNIT.

(#14)
SURFACE OF NEEDLE PLATE

7.7 MM - 8,7 MM

UPPER SHAFT SHIELD PLATE (D)

B

34

j

SCREW (C)

/

UPPER SHAFT SENSOR

SEWING
MACHINEDIV.20

MODEL385."19001890

MECHANICAL ADJUSTMENT
SOLENOID
PREPARATION:
1.

LOWER THE PRESSERBAR LIFTER.

ADJUSTMENT PROCEDURE:
I. REMOVE

THE TOP COVER

(SEEP.19).

2.

LOOSEN

THE 2 SCREWS (A).

3.

INSERTTHE GAUGE

4.

TO DO THE "SOLENOID TEST".

#U1790 AS SHOWN,

*WHILE PRESSING THE AUTO-LOCK
TEST MODE

START"WILL APPEAR

AUTOMATICALLY

MOVES

AND TIGHTEN THE SCREWS

BUTTON, TURN THE POWER
ON THE LCD. CHECK

LEFTAND

(D) MOVES

SWITCH ON. "SOLENOrD

THAT THE DISC HOLDER

(B).IT

RIGHT CONTINUOUSLY.

PASS THE THREAD BETWEEN THE TENSION DISC (C) AND
SOLENOID

(A).

TO THE RIGHT (OPEN), MAKE

DISC HOLDER

SURE THE THREAD

(B),WHEN

THE

HAS NO TEN-

SION.
5. AITACH THE TOP COVER.

SCREWS

LCD SCREEN

(A)

SOLENOID TESTMODE START

GAUGE #U 1790

THREAD

RELEASING

_-

ROD

SCREWS

",,,,,,TENSION
DISC _
HOLDER(_

SOLENOID (D)

THREAD TENSION DISC (C)
INSERTTHE GAUGE #U1790 (1.6 MM)
•

35

J

SEWING MACHINE DIV. 20

MODEL 385.19001890

MECHANICAL ADJUSTMENT
TENSION RELEASEMECHANISM
TO CHECK:
I. WHEN

THE PRESSER BAR ISRAISED,THE TENSION DISC HOLDER (D)SHOULD MOVE

1.0MM
WORK

AS A STANDARD

VALUE IN ORDER

PROCEDURE:

I. REMOVE

THE TOP COVER

2.

THE SCREWS

FRONT COVER
3.

4.

TO

CORRECTLY.

ADJUSTMENT

LOOSEN

ABOUT

FOR THE TENSION RELEASE FUNCTION

UNIT (SEEP.19)AND

WHICH

BELTCOVER

HOLD THE FRONT COVER

UNIT (SEE P.20).

UNIT(E)(SEE P.24).MOVE

THE

UNIT(E)A LITTLE.

LOWER

THE PRESSER BAR LIFTERAND SETTHE THREAD TENSION DIAL AT "9".LOOSEN THE

SCREW

(A).

SETTHE CLEARANCE

BETWEEN THE THREAD TENSION RELEASING ROD (13)
AND THE SPRING

HOLDER(C) BETWEEN 0.3_).5MM AND TIGHTEN SCREW(A).
5.

SET THE THREAD

TENSION DIAL AT "9"AND

TENSION DISC MOVES

ABOUT

RAISE THE PRESSER BAR. MAKE

1.0MM.

DO THE SAME TESTWITH THE THREAD TENSION DIAL SETAT "0".
6.

ATTACH THE TOP COVER, BELTCOVER

AND

FRONT COVER.

FRONT COVER UNIT (E)
TENSION RELEASING ROD (B)

SCREW (A)

3..
TENSION RELEASING ROD (B)
(CLEARANCE: 0.3 - 0.5 MM)

rt

ING HOLDER (C)
TENSION DISC HOLDER (D)
1.0 MM

36

SURE THE

SEWING MACHINE DIV. 20

MODEL 385.19001890

MECHANICAL ADJUSTMENT
STRETCHSTITCH FEED BALANCE
TO CHECK:
1.

WHEN A STRETCH PATTERN IS SEWN WITH THE FEED BALANCING

DIAL (C) SETAT THE

STANDARD SETTING MARK " [_>", THE PATTERNSHOULD BE AS INDICATED WITH THE "0"
MARK IN THE FOLLOWING

FIGURE. IF NOT (IF THERE IS NO BALANCE BETWEEN FOR-

WARD FEEDING AND BACKWARD FEEDING), THEN MAKE AN ADJUSTMENT AS FOLLOWS:
ADUSTMENT PROCEDURE:
1.

TURN THE POWER SWITCH ON, AND SELECT PATTERNNO,13 (TRIPLESTRETCHSTITCH).

2.

SETTHE SLITOF THE FEED BALANCING
ON THE BELTCOVER.

DIAL (C) AT THE STANDARD SETTING MARK • [_"

3.

PUTTHE PAPER BETWEENTHE FOOT AND FEEDDOG AND LOWER THE PRESSERBAR LIFTER.

4.

TURN THE HANDWHEEL, AND CHECK THE NEEDLE POSITION OF "A" AND "B".

5.

REMOVE THE BASE LID(D).

6,

WHEN A>B, TURN THE ADJUSTING SCREW (E) IN THE DIRECTION OF "A".
WHEN A8

A
Source Exif Data:
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File Type Extension             : pdf
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PDF Version                     : 1.2
Linearized                      : No
Page Count                      : 74
Page Layout                     : SinglePage
Page Mode                       : UseNone
Producer                        : Goby Monitor Application version 3, 2, 1, 4
Create Date                     : Mon Aug 06 23:08:34 2007
Author                          : 
Title                           : 
Subject                         : 
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