Text preview for : sewing_machine_©_.pdf part of ELNA 6600 [ref. 395903-32] service manual sewing machine [2004 switzerland] pag 39
Back to : sewing_machine_©_.pdf | Home
Manual ref. 395903-32
SERVICE MANUAL
Elna 6600
07/12/2004 Printed in Switzerland
Reference
WHAT TO DO WHEN ..................................................................................................................... 1 - 3
SERVICE ACCESS (1) .......................................................................................................................... 4
SERVICE ACCESS (2) .......................................................................................................................... 5
SERVICE ACCESS (3) .......................................................................................................................... 6
SERVICE ACCESS (4) .......................................................................................................................... 7
SERVICE ACCESS (5) .......................................................................................................................... 8
SERVICE ACCESS (6) .......................................................................................................................... 9
ADJUSTING PRESSER FOOT HEIGHT AND ALIGNMENT .............................................................. 10
NEEDLE DROP POSITION ALIGNMENT ........................................................................................... 11
ADJUSTING HOOK TIMING ................................................................................................................ 12
ADJUSTING NEEDLE BAR HEIGHT .................................................................................................. 13
ADJUSTING CLEARENCE BETWEEN NEEDLE AND HOOK ........................................................... 14
ADJUSTING BACKLASH BETWEEN HOOK DRIVE GEAR AND LOWER SHAFT GEAR ................ 15
FEED DOG HEIGHT ADJUSTMENT ................................................................................................... 16
ZIGZAG SYNCHRONIZATION ............................................................................................................. 17
NEEDLE THREAD TENSION .............................................................................................................. 18
STRETCH STITCH FEED BALANCE .................................................................................................. 19
REPLACEMENT AND ADJUSTMENT OF THE NEEDLE THREADER PLATE .................................. 20
CONNECTOR DIAGRAM .................................................................................................................... 21
SELF DIAGNOSTIC TEST .............................................................................................................. 22-25
REPLACING PRINTED CIRCUIT BOARD "A" ..................................................................................... 26
REPLACING PRINTED CIRCUIT BOARD "K" AND "F" ....................................................................... 27
REPLACING DC MOTOR AND ADJUSTING MOTOR BELT TENSION .............................................. 28
REPLACING THE FUSES ................................................................................................................... 29
REPLACING THE MACHINE SOCKET (UNIT) ................................................................................... 30
REPLACING THE TRANSFORMER .................................................................................................... 31
REPLACING THE ZIGZAG WIDTH MOTOR ....................................................................................... 32
REPLACING FEED STEPPING MOTOR ............................................................................................. 33
ADJUSTING BUTTONHOLE LEVER POSITION ................................................................................ 34
ADJUSTING THE BUTTON WINDING SWITCH ................................................................................. 35
ADJUSTING KNEE LIFTER HEIGHT .................................................................................................. 36
OILING ................................................................................................................................................. 37
@
Å
WHAT TO DO WHEN
CONDITION CAUSE HOW TO FIX REFERENCE
1. SKIPPING 1. NEEDLE IS NOT INSERTED INSERT THE NEEDLE PROPERLY.
STITCHES PROPERLY.
2. NEEDLE IS BENT OR WORN. CHANGE THE NEEDLE.
3. INCORRECTLY THREADED. RETHREAD.
4. NEEDLE OR THREAD ARE USE THE RECOMMENDED
INAPPROPRIATE FOR SEWING NEEDLE AND THREAD.
FABRIC BEING SEWN.
5. SEWING ON STRETCH USE A #11 BLUE TIP NEEDLE.
FABRIC.
6. PRESSER FOOT PRESSURE ADJUST THE PRESSER BAR
IS TOO WEAK. LEVEL TO MAKE THE
PRESSURE STRONGER.
7. INAPPROPRIATE NEEDLE SEE MECHANICAL ADJUSTMENT P. 13
BAR HEIGHT. "NEEDLE BAR HEIGHT".
8. INAPPPROPRIATE NEEDLE SEE MECHANICAL ADJUSTMENT P. 12
TO SHUTTLE TIMING. "NEEDLE TO SHUTTLE TIMING".
9. INAPPROPRIATE NEEDLE SEE MECHANICAL ADJUSTMENT P. 14
TO SHUTTLE CLEARANCE. "CLEARANCE BETWEEN NEEDLE
AND HOOK".
2. FABRIC NOT 1. PRESSER FOOT PRESSURE ADJUST THE PRESSER BAR
MOVING IS TOO WEAK. LEVEL TO MAKE THE
PRESSURE STRONGER.
2. INCORRECT F.D. HEIGHT. SEE MECHANICAL P. 16
ADJUSTMENT "FEED DOG HEIGHT".
3.F.D. IS IN DOWN POSITION. RAISE THE F.D. LEVEL.
4.THREAD ON BOTTOM SIDE MAKE SURE TO BRING BOTH
OF FABRIC IS JAMMED UP. NEEDLE AND BOBBIN.
THREAD UNDER THE FOOT WHEN
STARTING SEWING.
5. FEED DOG TEETH ARE WORN. CHANGE THE FEED DOG.
1
CONDITION CAUSE HOW TO FIX REFERENCE
3. BREAKING 1. INITIAL SEWING SPEED IS START WITH MEDIUM SPEED.
UPPER TOO FAST.
THREAD
2. THREAD PATH IS INCORRECT. USE THE PROPER THREAD PATH.
3. NEEDLE IS BENT OR DULL. REPLACE WITH A NEW NEEDLE.
4. UPPER THREAD TENSION IS ADJUST NEEDLE THREAD TENSION P. 18
TOO STRONG. CORRECTLY.
5. NEEDLE SIZE IS USE APPROPRIATE NEEDLE FOR
INAPPROPRIATE FOR FABRIC. FABRIC AND THREAD IN USE.
6. NEEDLE EYE IS WORN. CHANGE THE NEEDLE.
7. NEEDLE HOLE IN NEEDLE REPAIR THE HOLE OR REPLACE
PLATE IS WORN OR BURRED. THE NEEDLE PLATE.
4. BREAKING 1. INCORRECITLY THREADED THREAD BOBBIN CORRECTLY.
BOBBIN BOBBIN.
THREAD
2. TOO MUCH THREAD IS ADJUST THE POSITION OF STOPPER.
AROUND ON THE BOBBIN.
3. LINT IS STUCK INSIDE THE CLEAN THE SHUTTLE.
BOBBIN HOLDER.
4. THREAD QUALITY IS CHANGE TO A HIGH QUALITY
TOO LOW. SEWING THREAD.
5. THREAD IS JAMMING CLEAR OUT THE JAMMING THREAD.
AROUND THE BOBBIN.
5. NEEDLE 1. NEEDLE IS HITTING THE SEE MECHANICAL P. 11
BREAKS NEEDLE PLATE. ADJUSTMENT "NEEDLE POSITION".
2. NEEDLE IS BENT OR WORN. CHANGE THE NEEDLE.
3. NEEDLE IS HITTING THE SEE MECHANICAL ADJUSTMENT P. 14
SHUTTLE. "CLEARANCE BETWEEN NEEDLE
AND HOOK".
4. THE FABRIC MOVES WHILE SEE MECHANICAL ADJUSTMENT P. 17
THE NEEDLE IS PIERCING "ZIGZAG SYNCHRONIZATION".
IT, OR THE NEEDLE ZIGZAGS
WHILE IN FABRIC.
5. FABIRIC IS BEING PULLED TOO GUIDE THE FABRIC GENTLY
STRONGLY WHILE SEWING. WHILE SEWING.
2
CONDITION CAUSE HOW TO FIX REFERENCE
6. NOISY 1. BACKLASH BETWEEN SHTTLE SEE MECHANICAL ADJUSTMENT P. 15
OPERATION HOOK GEAR AND LOWER "BACKLASH (LOWER SHAFT GEAR)".
SHAFT GEAR IS TOO GREAT.
2. LOWER SHAFT GEAR IS ELIMINATE THE LOOSENESS.
LOOSE.
3. INAPPROPRIATTE BELT SEE PART REMOVAL AND P. 28
TENSION. REPLACEMENT "DRIVING MOTOR
(DC MOTOR)".
4. NOT ENOUGH OIL. OIL ALL MOVING PARTS. P. 37
7. DEFORMATION 1. INAPPROPRIATE FEED SEE MECHANICAL ADJUSTMENT P. 19
PATTERN BALANCE. "STRETCH STITCH FEED BALANCE".
2. INAPPROPRIATE ZIGZAG SEE MECHANICAL ADJUSTMENT P. 17
SYNCHRONIZATION. "ZIGZAG SYNCHRONIZATION".
3. UPPER THREAD TENSION SEE MECHANICAL ADJUSTMENT P. 18
IS TOO STRONG. "NEEDLE THREAD TENSION".
3
SERVICE ACCESS (1)
FACE COVER (UNIT)
TO REMOVE:
REMOVE THE CAP AND SETSCREW.
REMOVE THE FACE COVER
TO ATTACH:
FOLLOW THE PROCEDURE ABOVE IN REVERSE.
FACE COVER
SETSCREW
CAP
4
SERVICE ACCESS (2)
TOP COVER (UNIT)
TO REMOVE:
RAISE THE CARRYING HANDLE AND THE SETSCREW (A).
OPEN THE TOP COVER AND REMOVE THE SETSCREW (B).
LIFT UP THE TOP COVER AND REMOVE IT FROM THE REAR SIDE.
TO ATTACH:
FOLLOW THE PROCEDURE ABOVE IN REVERSE.
SETSCREW (A)
CARRYING HANDLE
FACE PLATE SETSCREW
5
SERVICE ACCESS (3)
REPLACING THE BELT COVER
TO REMOVE:
1. RAISE THE CARRYING HANDLE AND LOOSEN THE SCREW (A).
2. REMOVE THE CAP AND THE SCREW (B).
3. LOOSEN THE SCREW (C) AND THE BELT COVER.
TO ATTACH:
FOLLOW THE PROCEDURE IN REVERSE.
SETSCREW (A)
CARRYING
HANDLE
SETSCREW (B)
CAP
SETSCREW (C)
6
SERVICE ACCESS (4)
REPLACING THE BED COVER (UNIT)
TO REMOVE:
PUSH THE DROP FEED DOG LEVER TO THE LEFT. REMOVE THE SETSCREWS (A), THEN REMOVE
THE BED COVER (UNIT).
TO ATTACH:
PUSH THE DROP FEED DOG LEVER TO THE LEFT. ATTACH THE BED COVER (UNIT) AND TIGHTEN
THE SETSCREWS (A).
REPLACING THE BASE
TO REMOVE:
REMOVE THE SETSCREWS (A), (B), (C), (D) AND (E).
REMOVE THE BASE.
TO ATTACH:
FOLLOW THE PROCEDURE IN REVERSE.
BASE
SETSCREW (B)
BED COVER (UNIT) SETSCREW (E)
SETSCREW (A)
SETSCREW (C) SETSCREW (D)
DROP FEED DOG
LEVER
SETSCREWS (A)
7
SERVICE ACCESS (5)
REPLACING THE FRONT COVER (UNIT)
TO REMOVE:
REMOVE THE FACE COVER (UNIT), TOP COVER (UNIT) AND BELT COVER. (SEE PAGE 7, 8)
LOOSEN THE SETSCREWS (A), (B) AND (C). THEN REMOVE THE FRONT COVER (UNIT). DISCONNECT
THE CONNECTOR FOR PRINTED CIRCUIT BOARD-F AND FLEXIBLE FLAT CABLE FROM THE PRINTED
BOARD-A.
NOTE:
NEVER PULL ON CORD WHEN DISCONNECT THE CABLES FROM THE CIRCUIT BOARD.
TO ATTACH:
FOLLOW THE PROCEDURE IN REVERSE.
SETSCREW (B)
SETSCREW (A)
SETSCREW (C) FRONT COVER
SETSCREW (A)
CONNECTOR FOR
PRINTED CIRCUIT
BOARD F
SETSCREW (B)
FLEXIBLE FLAT CABLE SETSCREW (C)
8
SERVICE ACCESS (6)
REPLACING THE REAR COVER
TO REMOVE:
REMOVE THE FACE COVER (UNIT), TOP COVER (UNIT) AND BELT COVER. (SEE PAGE 9, 10)
LOOSEN THE SETSCREWS (A), (B), (C) AND (D), THEN REMOVE THE CAP AND SETSCREW (F). LOWER
THE PRESSER FOOT LIFTER AND REMOVE THE REAR COVER FROM THE PRESSER LIFTER SECTION
FIRST.
TO ATTACH:
FOLLOW THE PROCEDURE ABOVE IN REVERSE..
SETSCREW (A)
SETSCREW (E)
CAP
SETSCREW (B)
SETSCREW (D)
SETSCREW (C)
PRESSER FOOT
LIFTER
9
ADJUSTING PRESSER FOOT HEIGHT AND ALIGNMENT
WHEN THE PRESSER FOOT IS RAISED, THE CLEARANCE BETWEEN THE PRESSER
FOOT AND THE NEEDLE PLATE SHOULD BE 5.7 TO 6.3 MM.
1. REMOVE THE FACE COVER AND RAISE THE PRESSER FOOT.
LOOSEN THE SETSCREW TO ADJUST PRESSER FOOT HEIGHT (6.0 MM) AND PRESSER FOOT
ALIGNMENT.
2. TIGHTEN THE SETSCREW FIRMLY.
3. ATTACH THE FACE COVER.
SETSCREW 4 X 8
PRESSER FOOT
LIFTER
[HEIGHT OF PRESSER FOOT] PRESSER FOOT ALIGNMENT
PRESSER FOOT
NEEDLE PLATE
5.7 TO 6.3 MM SHOULD BE
PARALLEL
FEED DOG
10
NEEDLE DROP POSITION ALIGNMENT
SELECT THE STITCH PATTERN " "; THE STANDARD NEEDLE DROP POSITION
SHOULD BE AT THE CENTER OF THE NEEDLE PLATE HOLE.
WHEN THE NEEDLE SWINGS IN MAXIMUM ZIGZAG WIDTH " ", THE CLEARANCE
BETWEEN BOTH ENDS OF THE NEEDLE HOLE IN THE NEEDLE PLATE AND THE
NEEDLE SHOULD BE 0.2 MM OR MORE. IF NOT, ADJUST AS FOLLOWS.
ADJUSTMENT PROCEDURE:
1.TURN ON THE POWER SWITCH, SELECT THE STRAIGHT STITCH PATTERN " " AND THE ZIGZAG
WIDTH AT MAXIMUM " " THEN CHECK THE NEEDLE DROP POSITION.
2.IF THE NEEDLE DROP POSITION IS NOT IN THE CENTER OF THE NEEDLE PLATE HOLE WHEN THE
STRAIGHT STITCH IS SELECTED, OR IF THE CLEARANCE BETWEEN THE NEEDLE AND EDGE OF
THE NEEDLE PLATE HOLE ON BOTH SIDE IS LESS THAN 0.2 MM WHEN THE STITCH PATTERN IS SET
TO MAXIMUM ZIGZAG WIDTH, REMOVE THE FACE COVER AND LOOSEN THE SETSCREW, THEN
ADJUST THE NEEDLE DROP POSITION BY TURNING THE ECCENTRIC PIN.
NOTE:
MAKE SURE THE ECCENTRIC PIN IS POSITIONED WITH ITS OFF-CENTER HEAD FACING
DOWNWARD.
WHEN YOU HAVE FINISHED ADJUSTING THE NEEDLE DROP POSITION, TIGHTEN THE SETSCREW
AND ATTACH THE FACE COVER.
SETSCREW 3 X 4
ECCENTRIC PIN
NEEDLE PLATE HOLE
ECCENTRIC PIN POSITION
(OFF CENTER HEAD)
ADJUST THE NEEDLE DROP POSITION BY TURNING THE
ECCENTRIC PIN AS SHOWN
0.2 MM OR 0.2 MM OR
MORE MORE
A=B
11
ADJUSTING HOOK TIMING
THE HOOK TIMING IS THAT AMOUNT OF ASCENDING TRAVEL OF THE NEDLE BAR
FROM ITS LOWEST POSITION WHERE THE TIP OF THE ROTARY HOOK MEETS THE
RIGHT SIDE OF THE NEEDLE SHOULD BE 3.25 TO 3.55 MM.
1 TURN ON THE POEWR SWITCH TO DISPLAY THE STITCH PATTERN " ". ADJUST THE
STITCH WIDTH TO O.O. TURN OFF THE POWER SWITCH.
2 REMOVE THE NEEDLE PLATE AND BOBBIN HOLDER (B).
REMOVE THE BED COVER (SEE PAGE 7).
3 LOWER THE NEEDLE BAR AT ITS LOWEST POSITION BY TURNING THE HANDWHEEL TOWARD
YOU.
4 LOOSEN THE SCREWS OF LOWER SHAFT GEAR.
5 RAISE THE NEEDLE BAR FURTHER 3.4 MM FROM THE LOWEST POSITION.
6 TURN THE LOWER SHAFT GEAR UNTIL THE TIP OF ROTARY HOOK MEETS WITH THE RIGHT
SIDE OF THE NEEDLE. TIGHTEN SCREWS (2 PIECES) OF THE LOWER SHAFT GEAR.
6 ATTACH THE BED COVER, BOBBIN HOLDER AND NEEDLE PLATE.
SETSCREW
NEEDLE PLATE (2)
BOBBIN HOLDER
LOWER SHAFT
GEAR
TIP OF ROTARY HOOK
MEETS WITH THE RIGHT
SIDE OF NEEDLE PLATE
3.4±0.15mm
LOWEST NEEDLE
POSITION
12
ADJUSTING NEEDLE BAR HEIGHT
THE STANDARD DISTANCE BETWEEN THE UPPER EDGE OF THE NEEDLE EYE AND
THE TIP OF THE ROTARY HOOK SHOULD BE IN THE RANGE OF 1.6 TO 2.0 MM WHEN
THE ROTARY HOOK MEETS THE RIGHT SIDE OF THE NEEDLE IN ASCENDING TRAVEL
OF NEEDLE FROM ITS LOWEST POSITION.
NOTE: ENSURE THAT THE NEEDLE TO HOOK TIMING IS CORRECTLY ADJUSTED BEFORE ADJUSTING
THE NEEDLE BAR HEIGHT.
1. TURN ON THE POWER SWITCH AND SELECT THE STITCH PATTERN " " ADJUST THE NEEDLE
DROP POSITION TO 0.0 (LEFT MOST POSITION), THEN TURN OFF THE POWER SWITCH.
2. REMOVE THE NEEDLE PLATE AND BOBBIN HOLDER.
3. ALIGN THE TIP OF ROTARY HOOK WITH THE RIGHT SIDE OF THE NEEDLE IN ASCENDING TRAVEL
OF NEEDLE FROM ITS LOWEST POSITION BY TURNING THE HANDWHEEL TOWARD YOU.
4. REMOVE THE FACE PLATE AND LOOSEN THE SETSCREW.
5. MOVE THE NEEDLE BAR UP AND DOWN TO ADJUST THE NEEDLE BAR HEIGHT.
6. MAKE SURE THAT THE NEEDLE BAR GROOVE IS IN FRONT OF YOU AND TIGHTEN THE SCREW.
7. ATTACH THE BOBBIN HOLDER, NEEDLE PLATE AND FACE PLATE.
SCREW
NEEDLE PLATE
NEEDLE BAR GROOVE
BOBBIN HOLDER
MATCHING POINT
NEEDLE #14 SURFACE OF HOOK RACE
1.8±0.2mm
TOP OF NEEDLE EYE
ROTARY HOOK RACE
13
ADJUSTING CLEARANCE BETWEEN NEEDLE AND HOOK
THE CLEARENCE BETWEEN NEEDLE AND ROTARY HOOK SHOULD BE
-0.10 TO +0.05 MM.
1. TURN THE POWER SWITCH ON. SELECT THE ZIGZAG STITCH ( ) AND SET THE ZIGZAG WIDTH
AT MAXIMUM.
2. REMOVE THE NEEDLE PLATE AND BOBBIN HOLDER. ATTACH THE TEST PIN.
3. REMOVE THE BED COVER. (SEE PAGE 7) LOOSEN THE SETSCREWS (A), (B) AND SLIGHTLY
LOOSEN THE SET SCREW (C).
4. TURN THE HANDWHEEL TOWARD YOU TO BRING THE TIP OF THE HOOK BEHIND THE TEST PIN
AND ADJUST THE CLEARANCE BETWEEN THE TEST PIN AND THE TIP OF ROTARY HOOK
TO -0.10 TO +0.05 BY MOVING THE ROTARY HOOK SET PLATE UP OR DOWN.
5. TIGHTEN THE SCREW (A), (B), (C) FIRMLY.
6. CHECK THE ROTARY HOOK DRIVER GEAR AND THE LOWER SHAFT GEAR BACKLASH.
IF GEARS MESH OR ENGAGE TIGHTLY OR LOOSELY, ADJUST BACKLASH BETWEEN HOOK
DRIVE AND LOWER SHAFT GEAR".
7. REATTACH THE BED COVER, BASE NEEDLE PLATE AND BOBBIN HOLDER. REPLACE THE TEST
PIN WITH THE REGULAR NEEDLE.
TEST PIN
NEEDLE PLATE
-0.1 TO + 0.05 mm TIP OF ROTARY HOOK
BOBBIN
HOOK
SETSCREW(B)
ROTARY HOOK
SET PLATE
SETSCREW(C)
SETSCREW(A)
14
ADJUSTING BACKLASH BETWEEN HOOK DRIVE GEAR AND
LOWER SHAFT GEAR
ROTARY PLAY OF GEARS SHOULD BE 0.8 MM OR LESS WHEN THE TIP OF THE ROTARY
HOOK IS WITHIN THE WIDTH OF THE FEED DOG AS SHOWN BELOW.
TO CHECK
1. TURN THE POWER SWITCH OFF. REMOVE THE NEEDLE PLATE AND BOBBIN HOLDER.
REMOVE THE BED COVER.
2. TURN THE HANDWHEEL SLOWLY TOWARD YOU UNTIL THE TIP OF THE HOOK (A) IS BETWEEN
WIDTH (B) OF FEED DOG.
3. ROTATE THE HOOK RACE CLOCKWISE AND COUNTERCLOCKWISE BY FINGER. CHECK THE
PLAY. IT SHOULD BE 0.8 MM OR LESS.
* IF THERE IS MORE THAN 0.8 MM PLAY, ADJUST AS FOLLOWS.
ADJUSTMENT PROCEDURE:
1. REMOVE THE BED COVER AND LOOSEN THE HEXAGONAL SCREW (C).
2. TURN THE LOWER SHAFT BUSHING (D) (ECCENTRIC) IN THE CCW (Counter Clock Wise) DIRECTION
WHEN THE PLAY AT SHATTLE HOOK TIP IS TOO SMALL.
3. TURN THE LOWER SHAFT BUSHING (D) (ECCENTRIC), INT THE CW (Clock Wise) DIRECTION
WHEN THE PLAY AT THE HOOK TIP IS TOO LARGE.
4. TIGHTEN HEXAGONAL SCREW (C) SECURELY AFTER ADJUSTMENT.
(B)
HEXAGONAL SCREW (C)
TIP OF THE HOOK
ROTARY PLAY
SHOULD BE 0.8
MM OR LESS
LOWER SHAFT BUSHING
LOWER SHAFT GEAR
GROOVE OF LOWER SHAFT BUSHING (D)
CW CCW
15
FEED DOG HEIGHT ADJUSTMENT
WHEN THE PRESSER FOOT IS LOWERED WITH THE PRESSURE DIAL SET AT "3",
THE HIGHEST POSITION OF THE FEED DOG SHOULD BE 8 TO 9 MM ABOVE THE
SURFACE OF THE NEEDLE PLATE.
1. SET THE PRESSURE DIAL AT "3" AND LOWER THE PRESSURE FOOT THEN TURN ON THE POWER
SWITCH.
2. TURN THE HANDWHEEL TOWARD YOU UNTIL THE FEED DOG COMES TO ITS HIGHEST POSITION.
3. REMOVE THE BED COVER (SEE PAGE 7)
4. LOOSEN SET SCREW (A) AND NUT.
5. TURN THE ADJUSTING SCREW (C) IN THE CW DIRECTION TO RAISE THE FEED OR TURN THE
ADJUSTING SCREW (C) IN THE CCW DIRECTION TO LOWER THE FEED DOG, SO THAT THE FEED
DOG HIGHEST IS FROM 0.85 MM ABOVE THE TOP SURFACE OF THE NEEDLE PLATE.
6. TIGHTEN THE NUT AND SET SCREW(A).
7. ATTACH THE BED COVER.
STANDARD FOOT
0.85±0.05mm
PRESSURE DIAL AT 3
FEED DOG
SURFACE OF THE
NEEDLE PLATE
CW (TO RAISE)
CCW
SETSCREW (A)
(TO LOWER)
NUT(B)
ADUSTING SCREW (C)
16
ZIGZAG SYNCHRONIZATION
DURING LATERAL MOVEMENT OF THE NEEDLE IN ZIGZAG SEWING, THE NEEDLE
SHOULD START TO SWING 6.3 TO 7.5 MM ABOVE THE NEEDLE PLATE.
1. REMOVE THE COVER.
2. TURN ON THE POWER SWITCH AND SET THE PATTERN SELECTOR DIAL AT MAXIMUM ZIGZAG
WIDTH.
3. TURN THE HANDWHEEL TOWARD YOU AND STOP TURNING WHEN THE NEEDLE STARTS ITS
SIDEWARD MOVEMENT AND LOOSEN SETSCREW.
4. IF THE NEEDLE HEIGHT IS HIGHER THAN 7.5 MM, TURN THE UPPERSHAFT SHIELDING PLATE IN
THE CCW DIRECTION IF THE NEEDLE HEIGHT IS LOWER THAN 6.3 MM, TURN THE UPPER
SHAFT SHIELDING PLATE IN THE CW DIRECTION.
5. MAKE SURE THE UPPER SHAFT SHIELDING PLATE IS NOT TOUCHING THE UPPER SHAFT
SENSOR AND TIGHTEN SET SCREW.
6. TURN THE HANDWHEEL TOWARD YOU TO CONFIRM THE NEEDLE MOVEMENT, AFTER THE
CONFIRMATION, REATTACH THE TOP COVER AND FACE COVER.
NEEDLE
SURFACE OF THE
NEEDLE PLATE
6.57.5 mm
UPPER SHAFT
SHIELDING PLATE
SETSCREW
CCW
CW UPPER SHAFT
SENSOR
17
NEEDLE THREAD TENSION
WHEN THE POLYESTER SEWING THREAD #50 (WHITE) IS PASSED THROUGH AND
PULLEAD UP AS IN FIG. 1, THE THREAD TENSION SHOULD BE 75 TO 90 GRAMS (THE
THREAD PULLING SPEED: APROX. 110 MM/SEC) WITH THE THREAD TENSION DIAL
SET AT "AUTO). IF THE TENSION IS OUT OF THE STANDARD RANGE, ADJUST IT AS
FOLLOWS.
ADJUSTMENT PROLEDURE:
1. SET THE THREAD TENSION AT "AUTO".
2. REMOVE THE FACE COVER (SEE PAGE 9).
3. TURN THE LEAD SCREW TO ADJUST THE NEEDLE THREAD TENSION.
IF THE THREAD TENSION IS TOO TIGHT, TURN THE LEAD SCREW IN THE CW DIRECTION.
IF THE THREAD TENSION IS TOO LOOSE, TURN THE LEAD SCREW IN THE CCW DIRECTION.
4. CHECK THE THREAD TENSION AGAIN AND REATTACH THE FACE COVER.
PULL THE THREAD AT A SPEED OF 110 MM/SEC, IN
THE DIRECTION OF THE ARROW.
NEEDLE THREAD: POLYESTER
SEWING THREAD # 50 (WHITE).
CCW
CW LEAD SCREW
REMARK : LOWER TENSION IS 9 TO 12 GRAMS
18
STRETCH STITCH FEED BALANCE
WHEN A STRETCH PATTERN IS SEWN WITH THE FEED BALANCING DIAL (C) SET AT
THE STANDARD MARK, THE PATTERN SHOULD BE AS INDICATED WITH THE "O".
1. SET UP THE MACHINE IN ADJUSTING MODE (SEE BELOW).
2. SET THE FEED BALANCING DIAL AT THE STANDARD SETTING MARK.
3. CHECK THE SEWING RESULTS (THE STANDARD FIGURE LENGTH OF FIVE PIECES OF FIGURE 8 IS
3339 MM).
4. REMOVE THE 2 SETSCREWS. THEN REMOVE THE BASE CAP.
5. IF THE LENGTH IS LONGER THAN 39 MM, TURN THE ADJUSTING SCREW IN THE CCW DIRECTION.
6. IF THE LENGTH IS SHORTER THAN 36 MM, TURN THE ADJUSTING SCREW IN THE CW DIRECTION.
7. EATTACH THE BASE CAP AND TIGHTEN THE SETSCREWS.
TO ENTER THE ADJUSTING MODE
8 8 8 8 8 8 8 8
1
Feed Adjustment
Sew Stop
START
STOP
TURN THE POWER SWITCH ON WHILE PRESS THE BUTTON 8 AFTER DISPLAY SELF CHECK APPEARS.
PRESSING THE UP/DOWN NEEDLE
POSITION BUTTON AND AUTO-LOCK
STITCH BUTTON.
FEED BALANCING
DIAL
STANDARD
SETTING MARK
ADJUSTING BASE CAP
SCREW
3339MM SETSCREW
CCW CW
19
REPLACEMENT AND ADJUSTMENT OF THE NEEDLE
THREADER PLATE
IF THE HOOK OF THE THREADER PLATE IS DAMAGED, CHANGE OR ADJUST THE
PART AS FOLLOWS:
TO CHANGE THE THREADER PLATE:
TO CHANGE:
1. PUSH DOWN THE NEEDLE THREADER KNOB AND PULL THE NEEDLE THREADER PLATE (A)
OUT TO REMOVE IT (SEE FIG. 1).
2. TO INSTALL THE NEEDLE THREADER PLATE, LINE THE GROOVE OF THE THREADER WITH THE
PIN (B) AND PUSH THE PLATE UP TO SNAP FIT.
TO ADJUST THE THREADER PLATE POSITION:
1. IF THE HOOK ON THE THREADER PLATE TOUCHES THE LEFT OR RIGHT SIDE OF THE NEEDLE
EYE, LOOSEN SETSCREW (C) AND ADJUST THE HOOK POSITION BY MOVING THE THREADER
PLATE (FIG. 2).
2. IF THE HOOK ON THE THREADER PLATE TOUCHES THE TOP OR BOTTOM SIDE OF THE NEEDLE
EYE, LOOSEN SETSCREW (D) AND ADJUST THE HOOK POSITION BY MOVING THE THREADER
POSITION SET PLATE(FIG. 3).
REPLACEMENT OF NEEDLE THREADER
(FIG. 1)
PIN (B)
THREADER PLATE (A)
THREADER KNOB
NEEDLE HOLE
HOOK
ADJUSTMENT VERTICAL DIRECTION (FIG. 3)
ADJUSTMENT IN HORIZONTAL DIRECTION
SETSCREW VIEW FROM X
(D)
THREAD PLATE SETSCREW (C)
NUT
THREADER
POSITION X
SET PLATE
20
CONNECTOR DIAGRAM
REFER TO THE DIAGRAM FOR LOCATING THE CONNECTOR POST ON THE CIRCUIT
BOARD
TO DISCONNECT THE CONNECTORS:
1. GRASP THE CONNECTOR BODY WITH YOUR FINGERS AND PULL.
DO NOT PULL THE LEAD WIRE, IT MAY DAMAGE THE CONTACT SLEEVES INSIDE THE
CONNECTOR.
2. WHEN DISCONNECTING THE MACHINE SOCKET AND POWER TRANSFORMER CONNECTORS, PULL
THEM WHILE PUSHING THEM TOWARD THE PRINTED CIRCUIT BOARD TO UNLOCK THEM.
TO CONNECT THE CONNECTORS:
1. BE SURE TO CONNECT THE CONNECTORS WITH THE CONNECTOR POSTS OF THE SAME COLOR.
2. POSITION THE CONNECTOR CORRECTLY, THEN PUSH IT STRAIGHT DOWN UNTIL IT LOCKS IN
PLACE.
L
K Q
H
I J
M
B
D
G F
C
A: MACHINE SOCKET (SECONDARY CIRCUIT) E
B: ZIGZAG WIDTH MOTOR L M
C: FEED MOTOR K N
D: DC MOTOR J
E: MACHINE SOCKET (PRIMARY CIRCUIT)) Q
I
F: POWER TRANSFORMER (PRIMARY CIRCUIT)) A
H
G: POWER TRANSFORMER (SECONDARY CIRCUIT))
H: NEEDLE THREAD TENSION SWITCH O
B
I: BUTTONHOLE SENSOR G
J: LAMP C
K: PRESSER FOOT LIFTER SWITCH
L: BOBBIN WINDER SWITCH D
M: UPPER SHAFT SENSOR
F
N: PRINTED CIRCUIT BOARD "F" E
O: PRINTED CIRCUIT BOARD "K"
Q: ARM LAMP
21
SELF DIAGNOSTIC TEST
TURN ON THE POWER SWITCH. IF ANY OF FOLLOWING PROBLEMS OCCUR, TAKE THE
RECOMMENDED ACTIONS IN THE ORDER THEY ARE SHOWN.
· THE MACHINE DOES NOT RESPOND WHEN THE POWER SWITCH IS TURNED ON.
1. CHECK EACH CONNECTOR CONNECTION.
2. REPLACE THE MACHINE SOCKET.
3. REPLACE THE PRINTED CIRCUIT BOARD "A".
4. REPLACE THE POWER SUPPLY CORD.
5. REPLACE THE POWER TRANSFORMER.
· THE SEWING MACHINE LIGHT DOES NOT LIGHT UP.
1. REPLACE THE LAMP.
2. REPLACE PRINTED CIRCUIT BOARD "A".
PREPARATION:
· TURN OFF THE POWER SWITCH.
· SHIFT THE BOBBIN WINDER SPINDLE TO THE LEFT.
· RAISE THE FEED DOG.
· SHIFT THE SLIDE VOLUME TO THE LEFT.
· REMOVE THE PRESSER FOOT AND RAISE THE PRESSER FOOT LIFTER.
· TURN THE HANDWHEEL TOWARD YOU TO RAISE THE NEEDLE TO ITS HIGHEST POSITION.
NOTE:
· BE CAREFUL: THE SEWING MACHINE MAY START RUNNING BY ITS OWN WHILE IN TEST
MODE.
· TURN OFF THE POWER SWITCH BEFORE REPLACING ANY PARTS.
· REPEAT THE DIAGNOSTIC TEST UNTIL THE PROBLEMS HAS BEEN RESOLVED.
SELF-DIAGNOSTIC TEST:
TURN THE POWER SWITCH ON WHILE PRESSING
THE UP/DOWN NEEDLE POSITION BUTTON &
AUTOLOCK BUTTON. THEN PRESS THE 01 BUTTON
WITHIN 3 SECONDS TO ENTER THE
SELF-DIAGNOSTIC MODE.
THE STANDARD MODE SHOWS UP IF YOU DO NOT
START PRESS THE 01 BUTTON WITHIN 3 SECONDS. TURN
STOP
THE POWER SWITCH OFF AND START OVER AGAIN.
1 Self Check
2 Version
3 Erase EEPROM
4 Sensor
LCD & LED DIAGNOSTIC MODE
Step1
LCD&LED
Next : CLR
22
SELF DIAGNOSTIC TESTS
1. BUZZER, LCD AND LED
CORRECT RESULTS DEFECTIVE RESULTS:
Step1 · NO BEEP SOUND
· BEEP SOUNDS WHEN BUTTONS · DOES NOT ENTER
LCD&LED ARE PRESSED SELF-DIAGNOSTIC MODE.
· LCD AND LED BLINKS IN 1-SEC. · LCD AND LED DOES NOT BLINK.
Next : C INTERVALS.
· LAMP LIGHTS UP.
REPLACE OR ADJUST:
· REPLACE THE BOARD A, K AND
PRESS BUTTON TO F.
PROCEED TO THE NEXT STEP. · CHECK THE FLEXIBLE FLAT
CABLE CONNECTION.
2. BUTTONS
CORRECT RESULTS DEFECTIVE RESULTS:
DISPLAY THE NAME OF BUTTON · DOES NOT DISPLAY THE NAME
Step2 OF BUTTON AND STILL SHOWS
WHEN THE BUTTON IS PRESSED.
Key " ".
PRESS BUTTON TO REPLACE OR ADJUST:
Next : C
PROCEED TO THE NEXT STEP. · REPLACE THE BOARD A, F
AND K.
3. SWITCH CORRECT RESULTS DEFECTIVE RESULTS:
THE DISPLAY DOES NOT
1 SP (BOBBIN WINDER): CHANGE OR THE DISPLAY
MOVE THE BOBBIN WINDER TO SHOWS "OFF" OR "DOWN" WHEN
Step3 THE LEFT >>THE LCD SHOWS OFF IT IS SUPPOSED TO BE "ON" OR
Switch "UP".
MOVE THE BOBIBN WINDER TO
SP FL TD THE RIGHT >>THE LCD SHOWS ON REPLACE OR ADJUST:
OFF UP ON 2 FL (FOOT LIFTER): · REPLACE OR ADJUST THE
RAISE THE PRESSER FOOT LIFTER SENSORS FOR BOBBIN
>>THE LCD SHOWS UP WINDER, FOOT LIFTER AND
TENSION DIAL.
1 2 3 LOWER THE PRESSER FOOT
· REPLACE THE BOARD A.
LIFTER >>THE LCD SHOWS DOWN
3 TD (TENSION DIAL):
SET THE THREAD TENSION DIAL
TO "AUTO" >>THE LCD SHOWS ON
SET THE THREAD TENSION DIAL
OTHER THAN "AUTO" >>THE LCD
SHOWS OFF
PRESS BUTTON TO PROCEED
TO THE NEXT STEP.
23
SELF DIAGNOSTIC TESTS
4. BH SENSOR CORRECT RESULTS DEFECTIVE RESULTS:
(1) PULL DOWN THE BUTTONHOLE THE DISPLAY DOES NOT
LEVER AS FAR AS IT WILL GO. CHANGE.
Step4 BH WHEN THE BUTTONHOLE LEVER IS
REPLACE OR ADJUST:
PULLED FORWARD, THE SCREEN
Sensor H · REPLACE OR ADJUST THE
DISPLAYS "H". BH SENSOR.
FSen BSen
· ADJUST BH SENSOR
L H POSITION.
WHEN THE BUTTONHOLE LEVER IS
· REPLACE THE BOARD A.
FREE, THE SCREEN DISPLAYS "L".
WHEN THE BUTTONHOLE LEVER IS
PUSHED, THE SCREEN DISPLAYS
"H".
FSen BSen
q L (2) TURN THE HANDWHEEL
H
w L TOWARD YOU TO CHECK THE
L
e H INDICATIONS.
L
r L THE INDICATION CHANGES
L
t L FROM q TO t.
H
PRESS BUTTON TO PROCEED
5. VELOCITY SENSOR TO THE NEXT STEP.
CORRECT RESULTS DEFECTIVE RESULTS:
THE DISPLAY DOES NOT
Step5 TURN THE HANDWHEEL CHANGE.
CLOCKWISE BY HAND AND THE VALUE IS LOWER THAN
Velocity Sensor
CHECK THE COUNTER VALUE ON 370.
000 THE DISPLAY. THE VALUE
REPLACE OR ADJUST:
SHOULD BE BETWEEN 370 AND
· CLEAN THE VELOCITY
376. SENSOR UNIT OF THE DC
PRESS BUTTON TO PROCEED MOTOR.
TO THE NEXT STEP. · REPLACE THE DC MOTOR.
· REPLACE THE BOARD A.
6. SLIDE VOLUME CORRECT RESULTS
WHEN THE SPEED CONTROL DEFECTIVE RESULTS:
LEVER IS AT THE LEFT, THE THE DISPLAY DOES NOT
SCREEN DISPLAYS A VALUE IN CHANGE.
THE INDICATED VALUE
Step6 THE RANGE OF "000" TO "010"
DECREASES WHEN YOU
Volume THE INDICATED VALUE MOVE THE SPEED CONTROL
INCREASES AS YOU MOVE THE LEVER TO THE RIGHT.
000 SPEED CONTROL LEVER TO THE
RIGHT, AND THE SCREEN REPLACE OR ADJUST:
· REPLACE THE SLIDE
DISPLAYS A VALUE IN THE
VOLUME.
RANGE OF "250" TO "255" WHEN · REPLACE THE PRINTED
THE LEVER REACHES THE BOARD A OR K.
RIGHT-MOST POSITION.
PRESS BUTTON TO
PROCEED TO THE NEXT STEP.
24
SELF DIAGNOSTIC TESTS
7. FOOT CONTROL CORRECT RESULT DEFECTIVE RESULTS:
WHEN THE FOOT CONTROL IS NOT THE VALUE DOES NOT
Step7 DEPRESSED, SCREEN SHOULD CHANGE.
Foot Controller DISPLAY A VALUE IN THE RANGE THE VALUE DECREASES
OF "000" TO "016". WHEN THE FOOT CONTROL IS
000 WHEN THE FOOT CONTROL IS DEPRESSED.
DEPRESSED FULLY, THE SCREEN
SHOULD DISPLAY A VALUE IN THE REPLACE OR ADJUST:
RANGE OF "208" TO "250". · REPLACE THE FOOT
WHEN THE PLUG IS CONTROL
DISCONNECTED, THE SCREEN · REPLACE THE MACHINE
SHOULD DISPLAY A VALUE IN THE SOCKET
RANGE OF "251" TO "255". · REPLACE THE BOARD A
PRESS BUTTON TO PROCEED
TO THE NEXT STEP.
8. ZIGZAG WIDTH MOTOR
CORRECT RESULT DEFECTIVE RESULTS:
Step8 RAISE THE NEEDLE TO THE HIGHEST CANNOT SET THE ZIGZAG
POSITION BY TURNING THE WIDTH MOTOR TO THE INITIAL
Stepping Motor POSITION, AND DISPLAYS:
HANDWHEEL TOWARD YOU.
BM Phase PRESS THE MEMORY BUTTON TO · "E1 error"
ENT SET ZIGZAG WIDTH MOTOR TO THE · "E2 error"
INITIAL POSITION. (NEEDLE · "E3 error"
CENTERED)
REPLACE OR ADJUST:
Step8 (* NOT APPLICABLE TO THIS MODEL) · REPLACE THE GEAR
Stepping Motor SKIP THIS STEP BY PRESSING COMPONENTS
BUTTON. · CHECK THE MOTOR
SENSOR
ENT
· REPLACE THE MOTOR
· REPLACE THE BOARD A
Step8 PRESS THE MEMORY BUTTON WHEN
THE NEEDLE IS LOWERED.
Stepping Motor THE FEED MOTOR IS INITIALIZED.
FM Phase
ENT PRESS BUTTON TO PROCEED TO
THE NEXT STEP.
9. DC MOTOR
CORRECT RESULT DEFECTIVE RESULTS:
LOWER THE PRESSER FOOT THE MOTOR DOES NOT
Step9 LIFTER. DEPRESS THE FOOT START, AND DISPLAYS
CONTROL TO RUN THE MACHINE. "ERROR".
Sewing Motor WHEN THE SLIDE VOLUME IS LEFT,
THE MACHINE WILL RUN AT THE REPLACE OR ADJUST:
SPEED OF "80 SPM" TO "100 SPM". · ADJUST THE MOTOR BELT
WHEN THE SLIDE VOLUME IS RIGHT, TENSION.
THE MACHINE WILL RUN AT THE · REPLACE THE MOTOR
SPEED OF "800 SPM" TO "840 SPM". · REPLACE THE PRINTED
BOARD A.
RESULTS REPEAT THE DIAGNOSTIC TEST UNTIL THE PROBLEMS HAS BEEN RESOLVED.
ALL OF THE TEST FINISHED, TURN OFF THE POWER SWITCH.
25
REPLACING PRINTED CIRCUIT BOARD "A"
TO REMOVE:
1. REMOVE THE FRONT COVER (SEE PAGE 8).
2. UNPLUG THE CONNECTORS FROM THE BOARD "A".
3. REMOVE THE 3 SCREWS AND REMOVE BOARD "A".
TO INSTALL:
1. TO INSTALL, FOLLOW THE ABOVE PROCEDURE IN REVERSE.
SETSCREW
PRINT CIRCUIT
BOARD A
SETSCREW
26
REPLACING PRINTED CIRCUIT BOARD "K" AND "F"
REPLACING PRINTED CIRCUIT BOARD "K"
TO REMOVE:
1. REMOVE THE FRONT COVER UNIT (SEE PAGE 8)
2. REMOVE THE SET SCREWS "A" AND THE PRINTED BOARD "K".
TO INSTALL:
4. TO INSTALL THE SLIDE VOLUME, FOLLOW THE PROCEDURE ABOVE IN REVERSE.
· CHECK TO ENSURE THAT THE SLIDE VOLUME MOVES SMOOTHLY BACK AND FORTH.
REPLACING PRINTED CIRCUIT BOARD "F"
TO REMOVE:
5. REMOVE THE FRONT COVER UNIT. REMOVE THE PRINTED BOARD "K".
6. REMOVE THE SETSCREWS (B). REMOVE THE PRINTED CIRCUIT BOARD "F".
TO INSTALL:
1. TO INSTALL THE PRINTED CIRCUIT BOARD "F", FOLLOW THE PROCEDURE ABOVE IN REVERSE.
SETSCREW "A" SETSCREW "A"
SETSCREW
"A"
SETSCREW "A" SLIDE VOLUME
SETSCREW "A" PRINTED CIRCUIT
BOARD "K"
PRINTED CIRCUIT
BOARD "F"
SETSCREW "B"
27
REPLACING DC MOTOR AND ADJUSTING MOTOR BELT TENSION
TO REMOVE:
1. REMOVE THE BELT COVER (SEE PAGE 8).
2. DISCONNECT THE MOTOR CONNECTOR.
REMOVE THE TWO SETSCREWS, THEN REMOVE THE DC MOTOR AND BELT.
TO ATTACH:
SET THE MOTOR IN MACHINE AND REPLACE SCREWS.
REPLACE THE MOTOR BELT.
WHEN APPLYING APPROXIMATELY 300 GRAMS PRESSURE IN THE MIDDLE OF THE BELT, IT SHOULD
DEFLECT 7 TO 9 MM WHEN SET PROPERLY.
TIGHTEN THE SETSCREWS.
ATTACH THE BELT COVER.
BELT
PRESSURE 300G
BELT DEFLECTION
7~9 MM
DC MOTOR
SETSCREWS
(2)
MOTOR CONNECTOR
28
REPLACING THE FUSES
TO REMOVE:
1. REMOVE THE FRONT COVERS (SEE PAGE 8).
2. REMOVE THE PRINTED CIRCUIT BOARD "A". REMOVE THE FOUR SETSCREWS AND
REMOVE THE COVER FROM THE PRINTED CIRCUIT BOARD "A".
3. REMOVE THE FUSE (PRY UP THE FUSE WITH A SCREWDRIVER).
NOTE
1. REPLACE THE PRINTED CIRCUIT BOARD "A" IF YOU NOTICE ANY BROWNING,
DISCOLORATION, OR OTHER ABNORMALITIES.
2. ONLY INSTALL FUSES WITH THE CORRECT RATING.
IF THE FUSE IS LOOSE, BEND THE FUSE CLIPS INWARD TO SECURE THE FUSE.
FUSE NO. MANUFACTURE DESCRIPTION
F2, F3 WALTER TSD-2.5A-250V
ELECTRONIC 5.2 x 20 mm 2.5A PART # 000144605
F1 WALTER TSC-3.15A-250V
ELECTRONIC 5.2 x 20 mm 3.15A PART # 000182904
PRINTED CIRCUIT BOARD "A" (UNIT)
F1
AC250V 3.15A
F2
AC250V 2.5A
SETSCREWS (4)
F3 FUSE
PRINTED
AC 250V 2.5A
CIRCUIT
PRINTED
BOARD "A"
CIRCUIT
COVER
BOARD "A"
COVER
FUSE HOLDER
29
REPLACING MACHINE SOCKET (UNIT)
REPLACING THE MACHINE SOCKET
TO REMOVE:
1. REMOVE THE FRONT AND REAR COVERS (SEE PAGE 8).
2. REMOVE THE MACHINE SOCKET CONNECTOR FROM THE PRINTED CIRCUIT BOARD "A".
3. REMOVE THE TWO SET SCREWS AND REMOVE THE MACHINE SOCKET.
TO INSTALL:
1. TO INSTALL THE MACHINE SOCKET, FOLLOW THE ABOVE PROCEDURE IN REVERSE.
CONNECTORS
MACHINE SOCKET
SETSCREW (A)
30
REPLACING THE TRANSFORMER
REPLACING THE TRANSFORMER (UNIT)
TO REMOVE:
1. REMOVE THE CIRCUIT BOARD "A". (SEE PAGE 8)
2. REMOVE THE TWO SETSCREWS AND REMOVE THE TRANSFORMER (UNIT).
TO INSTALL:
TO INSTALL THE TRANSFORMER, FOLLOW THE ABOVE PROCEDURE IN REVERSE.
TRANSFORMER (UNIT)
SETSCREW
SETSCREW
31
REPLACING THE ZIGZAG WIDTH MOTOR
REPLACING THE ZIGZAG WIDTH MOTOR
TO REMOVE:
1. REMOVE THE PRINTED CIRCUIT BOARD "A" (SEE PAGE 8).
2. REMOVE THE TWO SETSCREWS (A).
3. REMOVE THE TWO SETSCREWS (B) AND REMOVE THE ZIGZAG WIDTH MOTOR.
TO INSTALL:
4. TO INSTALL THE ZIGZAG WIDTH MOTOR, FOLLOW THE ABOVE PROCEDURE IN REVERSE.
NOTE:
1. THE SETSCREWS (A) SHOULD BE TIGHTENED AT 5~7 KG OF TORQUE.
2. CHECK TO ENSURE THAT THE UPPER SHAFT SENSOR MOUNTED ON THE ZIGZAG WIDTH MOTOR
DOES NOT INTERFERE WITH THE UPPER SHAFT SHIELD PLATE.
3. ADJUST THE NEEDLE DROP POSITION (SEE PAGE 11).
SETSCREWS (B)
SETSCREWS (B)
SETSCREW (A)
ZIGZAG WIDTH
MOTOR SETSCREW (A)
32
REPLACING FEED STEPPING MOTOR
TO REMOVE:
1. REMOVE THE BELT COVER AND BASE.
2. REMOVE THE SNAP RING (E).
3. REMOVE THE SETSCREWS (A), (B). REMOVE THE FEED
STEPPING MOTOR.
TO ATTACH:
FOLLOW THE ABOVE PROCEDURE IN REVERSE.
ACCESS THE SET
SCREW (B) THROUGH
THIS HOLE.
SNAP RING E
SETSCREW
(B)
SETSCREW (A)
FEED STEPPING MOTOR
SNAP RING E
33
ADJUSTING BUTTONHOLE LEVER POSITION
TO ADJUST THE BUTTONHOLE LEVER GUIDE:
1. SET THE MACHINE IN BUTTONHOLE SENSOR ADJUSTING MODE.
(SEE BELOW. THE SCREEN SHOULD DISPLAY "H" OR "L".)
2. REMOVE THE FACE COVER AND LOOSEN SETSCREW(A).
3. LOWER THE BUTTONHOLE LEVER. POSITION THE BUTTONHOLE LEVER GUIDE SO THE SCREEN
DISPLAYS "L". TIGHTEN SETSCREW (A).
TO ADJUST THE BUTTONHOLE SENSOR POSITION:
4. INSTALL THE BUTTONHOLE FOOT (R).
5. LOWER THE BUTTONHOLE LEVER TO ITS LOWEST POSITION, AND INSERT A 1.6 MM THICKNESS
GAUGE.
6. TURN THE ADJUSTING SCREW TO THE LEFT UNTIL THE SCREEN DISPLAY CHANGES FROM "L"
TO "H".
7. THEN, TURN THE ADJUSTING SCREW TO THE RIGHT UNTIL THE SCREEN DISPLAY CHANGES
FROM "H" TO "L".
8. CHECK IF THE LCD SCREEN SHOWS "H" WHEN THE CLEARENCE OF THE BUTTONHOLE FOOT IS
1.4 MM AND "L" WHEN THE CLEARENCE IS 1.8 MM.
9. TURN OFF THE POWER SWITCH.
10.INSTALL THE FACE COVER.
NOTE
IF THERE IS ANY LINT IN THE BUTTONHOLE SENSOR SLIT, CLEAN OUT WITH A SWAB.
TO ENTER ADJUSTING MODE
Step4 BH
Sensor H
FSen BSen
START
L H
STOP
1. TURN THE POWER ON WHILE PRESS THE BUTTON "4".
PRESSING THE NEEDLE UP/DOWN
BUTTON AND AUTO-LOCK BUTTON.
SETSCREW (B)
BUTTONHOLE LEVER GUIDE
SETSCREW (B)
BUTTONHOLE SENSOR
SETSCREW (A)
ADJUSTING SCREW
BH LEVER
CLEARANCE
1.6 MM
34
ADJUSTING THE BOBBIN WINDING SWITCH
1. ENTER ADJUSTING MODE.
2. REMOVE THE TOP COVER (SEE PAGE 5).
3. LOOSEN THE SETSCREWS TO ADJUST THE POSITION OF THE SWITCH FIXING PLATE.
THE SP SHOULD SHOW "ON" WHEN THE BOBBIN WINDER SPINDLE IS SET TO THE BOBBIN
WINDING POSITION, AND/OR "OFF" WHEN THE BOBBIN WINER SPINDLE IS RETURNED TO THE
SEWING POSITION.
4. TIGTEN THE SETSCREW.
5. ATTACH THE TOP COVER.
TO ENTER ADJUSTING MODE
Step3
Switch
SP FL TD
OFF UP ON
START
STOP
TURN THE POWER SWITCH ON WHILE PRESS THE BUTTON 5.
PRESSING THE UP/DOWN NEEDLE
POSITION BUTTON AND AUTO-LOCK
STITCH BUTTON
BOBBIN WINDING SHAFT
SETSCREWS
(BOBBIN WINDING OFF) (BOBBIN WINDING ON)
(SEWING POSITIONA) BOBBIN WINDING POSITION
SWITCH FIXING
PLATE
35
ADJUSTING KNEE LIFTER HEIGHT
WHEN THE KNEE LIFTER LINK IS TOUCHED TO THE STOPPER, THE CLEARANCE
BETWEEN THE NEEDLE PLATE AND THE FOOT SHOULD BE 12.7 MM.
1. REMOVE THE REAR COVER. (SEE PAGE 9)
2. LOOSEN THE SETSCREWS AND MOVE THE KNEE LIFTER LINK TO THE RIGHT WHEN THE
CLEARANCE BETWEEN THE NEEDLE PLATE AND THE FOOT IS BIGGER THAN 12.7 MM.
LOOSEN THE SET SCREWS AND MOVE THE KNEE LIFTER LINK TO THE LEFT WHEN THE CLEARANCE
IS SMALLER THAN 12.7 MM.
3. ATTACH THE REAR COVER.
KNEE LIFTER LINK
STOPPER
SETSCREWS
12.7mm
KNEE LIFTER LINK
36
OILING
FACTORY LUBRICATED PARTS WILL PROVIDE YEARS OF HOUSEHOLD SEWING WITHOUT
ROUTINE OILING, BUT YOU SHOULD STILL CHECK FOR POSSIBLE LUBRICATION NEEDS
WHENEVER SERVICING MACHINES.
OIL:
USE GOOD QUALITY SEWING MACHINE OIL AT THE POINTS (A, B, C, D, E, F,G,H,I,J & K)
INDICATED BY THE BLACK ARROWS.
GREASE:
USE WHITE GREASE SUCH AS MOLYCOTE EM-40M AT THE POINTS (L& M)
INDICATED BY THE WHITE ARROWS.
A
C
B
D
F
E
G
H
K
J M L I
37