Memory Craf Service Manual T - 9000
Memory Craf Service Manual T - 9000
Memory Craf Service Manual T - 9000
Drawing for “a” board connectors (front panel complete unit) ............................................... 16
TO REMOVE
1. Remove the two screws, and remove the face plate.
TO ATTACH
2. Tighten the two screws slightly, and attach the face plate.
3. Close the face plate, and check the unevenness between The face plate and arm. Tighten
the screws securely.
4. Check if the face plate opens and closed smoothly. Adjust the position of the face plate
spring if necessary.
TO REMOVE
1. Remove the two screws A and raise the handle. Then remove screw B.
2. Close the top cover and raise the handle. Then pull out the top cover unit in the direction
of the arrow.
TO ATTACH
3. Raise the handle and insert the top cover unit from the rear side.
4. Attach the top cover unit by tightening the two screws A and B.
TO REMOVE
1. Loosen the screw A and remove screws B, C and the washer.
2. Loosen the screw D completely, and remove the belt cover unit.
TO ATTACH
3. Insert the belt cover in the front panel.
4. Replace screws A, B. C (with washer) and screw D.
TO REMOVE
1. Remove the base cover (see page 6).
2. Remove the two screws A, and remove the base lid.
3. Remove the two screws B, and remove the bed cover unit. Then pull out the connectors
from the connector supporter and disconnect them.
TO ATTACH
4. Follow the above procedure in reverse.
NOTE: Set the drop lever as shown below. Make sure that you connect the plug before
replacing the bed cover.
TO REMOVE
1. Remove the base cover.
2. Pull the connectors for the X-axis and Y-axis motors from “A” board.
3. Remove the 4 screws and the base unit.
TO ATTACH
4. Follow the above procedure in reverse. Check the position of feed dog “UP and DOWN”.
NOTE:
1) Set The base unit that the right side of knee lifter link (4) claw should match the knee lifter
plate on the base unit (see page 30).
2) The carriage plate (unit) is not included the base unit (see page 29).
When straight stitch #2 is selected, the needle should be at the center hole of the needle plate.
When the zigzag stitch is selected with the zigzag width set to the maximum (7.0), the
clearance between the side of the needle and the outer edges of the left and right needle plate
holes should be 0.2 mm or more.
1. Remove the top cover unit. Select straight stitch #1, and turn the hand wheel toward you to
bring the needle bar to the lowest position (see page 8).
2. Loosen the setscrew, and move the zigzag rod left or right to set the needle at the center
of hole of the needle plate. Then tighten the setscrew.
3. Select the zigzag stitch #8, and set the zigzag width to the maximum (7.0).
4. Turn the hand wheel toward you, and check if the clearance between the side of the needle
and the edge of hole of the needle plate at the left and right needle position is 0.2 mm or
more.
5. Attach the top cover unit (see page 3).
The needle bar height means the distance between the upper edge of the point of hook and the
upper edge of the needle eye when the point of the hook meets the right side of the needle in
the upward travel of the needle bar from the lowest position with stitch pattern #2 ( )
selected.
The standard needle bar height is 1.8±0.2 mm.
When pattern #2 ( ) is selected, the amount of ascending travel of the needle bar from its
lowest position to the position where the tip of the rotary hook exactly meets the right side of
the needle should be 3.25 to 3.55 mm.
1. Remove the belt cover, bed cover, base cover and base lid (see page 4, 5, 6).
2. Turn on the power switch and select pattern #2 ( ).
3. Press the STITCH LENGTH / STITCH WIDTH key ( ) and set the needle position to 0.0
on the touch panel.
4. Turn the hand wheel toward you, and set the needle bar to the lowest position.
5. In this condition:
• If the setting mark on the feed lift cam is right under the center of the lower shaft (Fig. 1),
loosen the two setscrews on the lower shaft gear (Fig. 2).
• If the setting mark is not right under it, loosen the two setscrews on the lower shaft timing
gear (Fig. 3).
6. Raise the needle bar 3.4 (± 0.15 mm) from the lowest position.
7. Turn the lower shaft gear until the point of the hook meets with the right side of the needle,
and tighten the two set screws on the lower shaft gear or the lower shaft timing gear.
8. Attach the belt cover, bed cover, base cover and base lid (see page 4, 5, 6).
NOTE: When the machine is set for zigzag stitching, the needle should start to swing 7.0 to
8.2 mm above the surface of the needle plate.
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1. Turn on the power switch, select the pattern #9 ( ) and press the S/S key to turn the
hand wheel 2 to 3 rotations.
2. Open the face plate and adjust the thread tension with a screwdriver in the direction of:
A to looser the tension.
B to tighter the tension.
3. Close the face plate.
NOTE: Check that the auto-tension is set ‘AUTO” when “ADJ” key is pressed on the touch
panel.
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When the presser foot lifter is raised, the tension disc supporter should move by approx.
0.8 mm before adjusting the tension release mechanism for the knee lifter.
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TO REMOVE
1. Raise the needle to its highest position and lower the threader knob to its lowest position.
2. Loosen the screw and remove the threader plate. (Fig. 1)
TO ADJUST
3. If the hook of the threader plate touches left or right side, loosen the screw and adjust the
hook position. (Fig. 2)
4. If the hook of the threader plate touches the top or bottom side of the needle hole, loosen
the screw and adjust the hook position. (Fig. 3)
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TO REMOVE
1. Remove top cover, belt cover and bed cover (see page 3, 4, 5),
2. Disconnect the LCD connector from inverter and remove it from cord guide.
3. Remove screw A and loosen screws B, C, D.
4. Pull out 17 connectors form the printed circuit board (“A” board) and printed circuit board
(“F” board).
Remove the front cover unit.
NOTE: Pull out the LCD connector at the beginning to prevent damages.
TO ATTACH
5. Follow the above procedure in reverse.
NOTE: After attaching the front cover (“A” board unit), shift the bobbin winder spindle to check
the micro switch movement.
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TO REMOVE
1. Remove front panel (see page 14).
2. Disconnect the LCD and the touch panel flat cable and “F” board connector from “A” board
unit.
3. Remove 6 screws to disconnect the printed circuit board “A” and card guide.
TO ATTACH
4. Insert the card guide boss to the rounded hole of card connector until connected. Then
attach to “A” board.
5. Attach the printed circuit board “A” with 6 screws and insert the 2 flat cables to the
connector, then push down the clamp.
(Make sure the inject button should be positioned at the front cover hole.)
6. Connect “F” board.
7. Attach the front panel unit.
NOTE: Adjust the (adjustment of touch panel) when the printed circuit board “A” is changed.
Do not touch the connecting part of the flat cable with your finger:
LCD flat cable should be inserted between the “A board unit and LCD board as shown
below.
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TO REMOVE
1. Remove the base unit and slide the base (see page 6).
2. Loosen the three setscrews.
3. Unplug the 4 connectors.
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17
TO REMOVE
TO ATTACH
4. Pass the motor cord under the arm lib, then attach the motor with 2 screws temporary as
shown below,
5. Set the motor unit with the motor belt. Make sure the belt tension should be set as shown
below.
6. Attach the lamp switch fixing plate with 2 screws.
7. Insert the connectors to the “A” board unit.
8. Attach the belt cover.
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TO REMOVE
1. Remove the front panel (board A unit) (see page 14).
2. Remove the cord guide (see page 7) and the DC motor (see page 18).
3. Remove two connectors of transformer from C board case unit.
4. Remove the three screws and pull out the transformer.
TO ATTACH
5. Follow the above procedure in reverse.
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TO REMOVE
1. Remove the belt cover (see page 4).
2. Cut the cord binder.
3. Pull out the connectors from board A unit and board “C” case unit.
4. Remove two set screws and change the receptacle (machine socket unit).
TO ATTACH
5. Follow the above procedure in reverse.
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TO REMOVE
1. Remove the front cover (board “A”) (see page 14, 15).
2. Loosen two screws A and remove A board fixing plate.
3. Loosen four screws B and remove the LCD frame unit.
TO ATTACH
4. Follow the above procedure in reverse.
NOTE: Check the adjustment of touch panel when LCD frame unit is replaced.
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LCD shows:
OPEN only correctly adjusted. Turn the power off to exit adjusting mode.
CLOSED Adjust the presser bar height with the embroidery foot and repeat steps 1-6 again.
NOTE: Lower the presser foot and turn the hand wheel while the needle position is at highest,
lowest and highest needle position, in this condition The LCD indication should be
shown “OPEN.” If LCD changes from “OPEN” to “CLOSED,” adjust the presser foot
height with the embroidery foot “P,” and repeat 1-6 adjustment.
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NOTE: Insert the bobbin to the bobbin holder without bobbin Thread. When you check the
bobbin thread sensor adjusting mode. (Press S/S key and reverse stitch key together
while turning the power switch, Then press The auto-look key and S/S key next with in
a few seconds. After This procedure, the touch panel (LCD) indicates numbers to
adjust bobbin thread sensor as step 1-13.)
NOTE: Press needle UP/DOWN key and bobbin Thread key to check the following steps.
1. Insert the bobbin (9.2mm in diameter or gauge) into bobbin holder and when press the
bobbin thread key, touch panel indicates (The bobbin Thread almost out).
2. Insert the bobbin (10.3mm in diameter or gauge) into bobbin holder and when press the
bobbin thread key, touch panel indicates (sufficient bobbin thread).
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TO ATTACH
4. Follow the above procedure in reverse.
NOTE:
• Make sure the sensor and shielding plate do not touch when rotating the shielding plate by
hand.
• After replacement, you must adjust the position of the sensor (see page 19, 20).
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NOTE: The LCD screen shows (1) CLOSED (2) OPEN (3) CLOSED when the sensor plate is
moved from right to left on STEP 5. Adjustment should be set from (2) OPEN to (3)
CLOSED position.
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TO ATTACH
4. Slide The BH lever unit (without BH shielding plate) onto the shaft as shown below and put
the snap ring on the shaft.
5. Attach the BH shielding plate with the screw.
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TO ATTACH
4. To attach the BH sensor, follow the above procedure in reverse.
NOTE:
• Make sure the BH sensor and shielding plate do not touch when attaching the BH sensor.
• Readjust The BH lever after attaching the BH sensor unit (see page 27).
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The feed dog drops automatically when selecting embroidery sewing and rises auto-matically
when selecting normal stitches.
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NOTE: Before adjusting the knee lifter position, check the presser bar height with foot P
(embroidery foot) (see page 21).
1. Remove the top cover and belt cover (see page 3, 4).
2. Remove the receptacle unit (loosen screws and move the receptacle slightly away from
original position).
3. Lower the presser foot and set the needle bar at lowest position (the pressure con-necting
arm should just touch on the cam).
4. Loosen the nut and turn the adjusting screw. Adjust the clearance between the pressure
connecting arm pin and the knee lifter link (5) to between 0.01 - 0.3 mm.
5. Attach the receptacle.
6. Attach the belt cover and top cover unit.
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01) BUZZER, LED Turn on the power switch • Buzzer sounds (LCD shows buzzer & • No buzzer sounds and could not • Replace board F
TEST while pressing LED) enter test mode • Replace board A
“REVERSE” key • Red & green lights flash alternately • LED module shows program
on START/STOP key version. Also, program will be
locked
• LED lights or no lights on board
02) KEY TEST Push START/STOP key LCD shows “PRESS S/S, REV, AL, U/D” • No buzzer sounds and program • Replace board F
• “REVERSE” key • Buzzer sounds for next step. will be locked • Replace board A
• “AUTO-LOCK” key
• NEEDLE “UP/DOWN” key
04) BOBBIN • Shift the bobbin winder LCD shows “SPOOL” • No buzzer sound • Replace board A
WINDER spindle to LEFT & RIGHT • Buzzer sounds every time when
SWITCH TEST position bobbin winder spindle is shifted
05) FEED DOG UP/ • Shift the drop lever to LEFT LCD shows “FEED DOG” • No buzzer sound • Replace feed dog
DOWN SWITCH RIGHT position • Buzzer sounds when drop lever switch
KEY TEST position is changed • Replace board A
06) SPEED • Move the slide switch from LCD shows “SLIDE SWITCH” • No buzzer sound • Replace slide
SETTING SLIDE left to right • Buzzer sounds at left & right switch
SWITCH TEST • Move the slide switch from positions. • Replace board A
right to left.
07) FOOT • Press the foot controller LCD shows “CONTROLLER” • No buzzer sound • Replace foot
CONTROLLER fully and release it • Buzzer sounds when foot controller is controller
TEST pressed fully and released • Replace board A
08) PRESSER • Lower the presser bar lifter LCD shows “FOOT LEVER” • No buzzer sound • Replace presser
FOOT SENSOR • Raise the presser bar lifter • Buzzer sounds when foot controller is foot sensor
TEST depressed and released • Replace board F
• Replace board A
09) BUTTONHOLE • Shift the BH lever back & LCD shows “BH SENSOR STATE” • No buzzer sound • Replace BH
SENSOR TEST forth gently • When lever is pulled toward you sensor
buzzer sounds & indicates “CLOSED” • Replace board F
on LCD board • Replace board A
• When lever is released buzzer
sounds & indicates “OPEN” on LCD
board
10) THE AMOUNT • Press “START/STOP” key LCD shows “SENSOR & SOLENOID” • LCD shows “0” • Adjust bobbin
OF BOBBIN • Buzzer sounds and LCD shows “14” If LCD shows No.1 - 13, adjust The thread sensor unit
THREAD without bobbin machine • Replace bobbin
ENSOR TEST Thread sensor
• Replace solenoid
• Replace “A”
board
11) UPPER SHAFT • Turn the hand wheel toward LCD shows “PH SENSOR” • LCD does not show “BIGHT” or * Replace upper
POSITIONING you to move the • LCD shows “BIGHP when needle is “FEED” Also LCD does not shaft positioning
SENSOR TEST needle bar to highest position at highest position change indication vC’hile turning sensor
and lowest position • LCD shows “FEED” when needle is at hand wheel • Replace “A”
lowest position board
12) STEPPING • Raise the needle bar to LCD shows “STEPPING MOTOR” • Not working correctly • Replace stepping
MOTORTEST highest position and push • Stepping motor (zigzag) get default motor
“START/STOP” key position • Replace tension
• Lower the needle bar to • Feeding, tension motors get default sensor
lowest position and push position • Replace “A”
“START/STOP” key • Feed dog goes to home position board
• Turn the hand wheel and
check the feed dog position
13) MACHINE • Press START/STOP key LCD shows “DC MOTOR” • Not stopping at the highest • Replace DC
MOTOR TEST • Machine runs slow, and fast, then position or running at uneven motor
needle bar stops at the highest speed • Replace “A”
position board
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