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SERVICING MANUAL 9500
INDEX
Changing External Parts (1) ...................................................................................... 1 Changing External Parts (2) ...................................................................................... 2 Changing External Parts (3) ...................................................................................... 3 Changing External Parts (4) ...................................................................................... 4 Changing External Parts (5) ...................................................................................... 5 Changing External Parts (6) ...................................................................................... 6 Changing Thread Tension Uni .................................................................................... 7 Replacing the Thread Cutter unit ............................................................................... 8 Replacing Needle Threader Motor (1) ....................................................................... 9 Replacing Needle Threader Motor (2) ...................................................................... 10 Connector Connection Diagaram.............................................................................. 11 Replacing Printed Circuit Board A ............................................................................ 12 Replacing Printed Circuit Board F1, F2/Slide Volume .............................................. 13 Replacing Printed Circuit Board B ........................................................................... 14 Replacing Switching Power Supply ........................................................................... 15 Replacing DC Motor and Motor Belt Tension Adjustment ......................................... 16 Adjusting Needle Drop Position ................................................................................ 17 Adjusting Hook Timing .............................................................................................. 18 Adjusting Needle Bar Height ..................................................................................... 19 Adjusting Clearance between Needle and Hook ...................................................... 20 Adjusting Backlash between Hook Drive Gear and Lower Shaft Gear ..................... 21 Adjusting Presser Foot Position and Height .............................................................. 22 Adjusting Feed Dog Height ....................................................................................... 23 Adjusting Height of Embroidery Foot P ..................................................................... 24 Adjusting Upper Shaft Shield Plate Position ............................................................. 25 Adjusting Tension Release Mechanism ................................................................... 26 Adjusting Needle Thread Tension ............................................................................. 27 Replacing Threader Plate and Adjustment ............................................................... 28 Adjusting Needle Threader Switch ............................................................................ 29 TTP Adjusting Mode ................................................................................................. 30 Adjusting Stretch Stitch Balance ............................................................................... 31 Adjusting Presser Foot Lifter Sensor ........................................................................ 32 Adjusting Buttonhole Lever ....................................................................................... 33 Adjusting Presser Foot Sensor ................................................................................. 34 Adjusting Remaining Bobbin Thread Sensor ............................................................ 35 Adjusting Thread Cutter Solenoid ............................................................................. 36 Adjusting Upper Shaft Clutch Solenoid ..................................................................... 37 Adjusting Thread Cutter Switch ................................................................................ 38 Adjusting Bobbin Winder Stopper ............................................................................. 39
INDEX
Adjusting Thread Drawing Lever ............................................................................... 40 Adjusting X and Y Sensors ....................................................................................... 41 Adjusting the Sewing Start Position .......................................................................... 42 Setting Position of Thread Take Up lever .................................................................. 43 To Adjust Upper Shaft Declutch Device .................................................................... 44 Setting Position of Parts on Lower Shaft ................................................................... 45 Setting Position of the Upper and Lower Shafts ....................................................... 46
Changing External Parts (1)
Replacing the face cover
(A)
9500
To remove: 1
Remove Screws (A) (2 pcs) and remove the face cover q .
To attach: 2 Follow the above procedure in reverse.
q
w w (B) (C)
Replacing the top cover
To remove: 1 Open the face cover. 2 Remove the caps w (2 pcs), Screw (B) and Screw (C). Raise the carrying handle e and remove Screw (D). 3 Raise the top cover and disconnect the bobbin winder connector r . Renove the top cover from rear side. · Presser dial comes off together. e To attach: 4 Raise the carrying handle, insert the top cover from rear side. 5 Connect the bobbin winder connector to the A board. 6 Tighten Screws (B), (C), (D).
(D) r
7 Attach the caps.
1
9500
Changing External Parts (2)
(A)
Replacing the belt cover
To remove: 1Loosen
Screw
(A)
.
w 2 Remove the Caps q and remove Screws (B) and (C). 3 Remove the hook w under the belt cover while push ing below and remove the belt cover.
To attach: 4 Match the belt cover position with the front cover. 5 Attach the belt cover while pushing the hook below. 6 Tighten the Screws (A), (B) and (C). 7Attach the caps q . (B)
(C) q
2
9500
Changing External Parts (3)
Replacing the bed cover
To remove: 1Remove the extension table. 2 Remove Screws (A) (2 pcs) and remove the bed cover.
To attach: 3 Follow the above procedure in reverse.
(A)
3
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Changing External Parts (4)
Replacing the base
To remove: 1 Remove the extension table. 2 Remove the belt cover. 3 Disconnect the connector q from the printed circuit board S1 w . 4 Loosen Screws (A) and (B) and remove the base.
e
q (A)
w
(A)
To attach: 5 Insert the connector cords between the base and arm. Make sure that the cords should not be caught between the arm and base unit when attaching it, then tighten Screws (4 pieces) temporarily. 6 Attach the extension table. 7 Match the extension table, base and free arm position and tighten Screw (B). 8 Tighten the rest of Screws (A).
9 Insert the connector tothe printed circuit board S1 from below the releasing arm e . 10 Attach the belt cover.
(A)
(B)
4
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Changing External Parts (5)
Front cover
To remove: 1 Open the face cover and remove the top cover, belt cover and extension table. 2 Loosen Screw (A) and remove the arm thread guide (rear) q . (A) w q 3 Loosen Screw(B). 4 Loosen Screw (C) and remove (D). 5 Disconnect the each connector and remove the front cover. Note: Unlock the hooks w while removing the front cover.
To attach: (B) 6 Follow the above procedure in reverse.
(C)
(D) 5
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Changing External Parts (6)
(A)
Rear cover
To remove: 1 Remove the face cover, top cover and belt cover. 2 Loosen Screws (A), (B), (C) and remove Screw (D) and remove the rear cover. Note: Lower the presser foot.
To attach: 3 Follow the above procedure in reverse. (B)
(C)
(D) 6
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Changing Thread Tension Unit
To remove: (A) 1 Remove the front cover. 2.
Lower
the
presser
foot
lifter. 3 Remove Screws (A), (B). 4 Pull the connector out from the "U" board and remove the thread tension unit.
To attach: 3 Follow the above procedure in reverse. Note: After changing the thread tension, check the tension release mechanism. (See page 26)
(B)
7
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Replacing the Thread Cutter unit
(A) 1 Remove the needle plate and bed cover. 2 Loosen Screw (A) and remove the thread cutter cover q .
q
q
(B) 3 Remove Screws (B) (2 pcs) and remove the thread cutter unit.
q
(B) 4 Insert the pin q and w into the thread cutter hole and attach the thread cutter unit by Screw (B).
w
r
Note: After changing the thread cutter unit, check the driving arm r function with turning the handwheel. 1 Lower the needle bar at its lowest position. 2 Push the driving arm (1) r down and insert the pin e into the ditch of the cutter driving cam t . 3 Turn the handwheel to drive the cutter slide plate. 4 Driving arm (1) disengage from the stopper and return to the home position (upper position).
e
t 8
9500
Replacing Needle Threader Motor (1)
(A)
To remove:
1 Remove the face cover and the top cover. 2 Loosen the Screw (A). 3 Disconnect the bobbin winding motor and the needle threader sensor from the printed circuit board "U". * Remove the cords from cord guide q. 4 Remove Screws (B) (2 pieces) and remove the motor. (B) * Remove the lamp supporter w before replace the motor. q
w
9
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Replacing Needle Threader Motor (2)
Needle threader motor unit
To attach: 5 Insert the convex part q of the needle bar supporter into the forked part of the moval body w.
Lamp supporter
q w
6 Attach the motor by Screw (B). 7 Insert the each cord in the cord guide e and connect to the circuit board "U". Attach the front cover. 8 Attach the face cover and top cover.
e
10
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Connector Connection Diagaram
Please see the following connector connection diagram for the printed circuit board A and U. Bobbin winder (Black) Printed circuit board L2 (Gray)
Printed circuit board U (Black) Printed circuit board R (White) Printed circuit board A Printed circuit board L2 (White) Printed circuit board F1 (Red)
Printed circuit board F2 (Black)
LCD detection switch (Top position)(Blue)
Slide volume (Red) Printed circuit board B (Black)
LCD detection switch (Bottom position)(Brown)
Printed circuit board U (Black)
LCD Motor (Top/Bottom) Switching regulator (White) Printed circuit board P (Black) DC Motor (White) Remaining bobbin thread solenoid (Black) Thread cutter solenoid (White) Upper shaft disconnect solenoid (Red) Potention meter (Blue) Needle threader motor detection switch (Bottom)(Brown) Presser foot lifter sensor (Brown) P foot sensor (Blue) Printed circuit board Q (Black) Feed motor (Red) Printed circuit board S1 (Black)
Needle threader motor detection switch (Top)(Blue) Buttonhole sensor (White)
Printed circuit board A (Black)
Thread cutter sensor (Black) Printed circuit board L3 (Gray) Printed circuit board U Printed circuit board A (Black) Zigzag width motor (Black) Ttread tension motor (Gray) Needle threader motor (Black)
11
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Replacing Printed Circuit Board A
To remove: (A) 1 Remove the front cover.
2 Disconnect the each connector from the printed circuit board A. 3. Remove Screws (A) (8 pieces) and remove the printed circuit board A with the Card guide q .
To remove: 4 Follow the above procedure in reverse.
q (A)
12
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Replacing Printed Circuit Board F1, F2/Slide Volume
Printed circuit board F1 To remove: 1 Remove the front cover. 2 Pull out the connector from the printed circuit board A. 3 Remove Screws (A) (2 pieces) and remove the Printed circuit board F 1 q . (B) w q To attach: 4 Follow the above procedure in reverse.
Printed circuit board F2 To remove: 1 Remove the front cover. 2 Pull out the connector from the printed circuit board A. 3 Remove Screws (B) (3 pieces) and remove the Printed circuit board F 2 w . To attach: 4 Follow the above procedure in reverse.
e r (A)
Slide volume To remove: 1 Remove the front cover. 2 Pull out the Slide volume connector from the printed circuit board A. 3 Remove the CS ring e (2 pieces) and remove the slide volume r . To attach: 4 Follow the above procedure in reverse.
13
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Replacing Printed Circuit Board B
r
To remove: 1 Remove the belt cover. 2
Remove the base q . 3 Remove Screws (A) (2 pieces) and remove the Printed circuit board B case w and circuit board B e . 3Disconnect
the Herness r from the B board. To attach: 4 Follow the above procedure in reverse.
q
w
e
w
(A) 14
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Replacing Switching Power Supply
To remove: 1 Remove the top cover, belt cover, base, and rear cover. Remove Screws (A) and (B), and remove the switching power supply q . Disconnect the herness w from switching power supply.
2
3
w
(A)
To attach: 4 Follow the above procedure in reverse.
q
(B)
15
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Replacing DC Motor and Motor Belt Tension Adjustment
Replacing DC Motor
To remove: 1 Remove the belt cover. 2 Remove the motor belt. 3 Disconnect the Motor connector from the printed cir cuit board A. 4 Remove Screws (A) (2 pieces) and replace the motor. To attach: 5 Follow the above procedure in reverse.
(A)
Adjusting motor belt tension 1 Tighten Screws (A) (2 pieces) temporarily. 2 Adjust the Belt deflection to about 5.0 mm q by pressing the middle of the motor belt with your finger with approximately 200 grams of pressure w . 3 Tighten Screws (A) securely. 4 Attach the belt cover.
w q
(A)
16
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Adjusting Needle Drop Position
When the straight stitch is selected on the touch panel, the needle should be positioned in the center of the needle plate hole. 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 edge of hole of the needle plate at the left and right needle position should be 0.2 mm or more.
(A)
1 Remove the top cover and slect the pattern No. 1 (Straight stitch). Lower the needle to its lowest position by turning the handwheel toward you. 2 Loosen the Screw (A). Move the Zigzag rod q left or right to set the needle w in the center of the Hole of the needle plate e , then tighten Screw (A). 3 Select the pattern No.6 (Zigzag). Set the zigzag width to maximum (7.0). 4 Turn the handwheel toward you to check if the clearance between the side of the needle and the edge of the Hole of the needle plate e , at the left and right needle position, is 0.2 mm or more r . 5 Attach the top cover.
q
w
e
r A=B
r
17
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Adjusting Hook Timing
When the pattern No.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.
(A) 1 Remove the presser foot, needle plate and bobbin holder. 2 Remove the extension table and bed cover. 3 Turn the power switch "ON" and select the pattern No.2. 4 Press the "ADJUST" key and set the zigzag width at "0" by manual adjustment, then turn the power switch "OFF". 5 Lower the needle y to its lowest position q by turning the handwheel toward you. e (A) 6 In this condition, if the convex of the feed lifting cam w is in the lowest position, loosen screws of the lower shaft gear (G) e . 7 Raise the needle bar further 3.4 mm r from the lowest position q . 8 Turn the lower shaft gear e until the tip of rotary hook meets with the right side of the needle t . Tighten the screws of the lower shaft gear (A). 9 Reattach the bobbin holder, needle plate and presser foot. w 5º 5º 10 Shut thebed cover and extension table.
y
t
r
q 18
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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 - 2.0 mm when the rotary hook meets the right side of the needle in ascending travel of needle from its lowest position.
1 Remove the presser foot, Needle plate and Bobbin holder. (A) 2 Turn the power switch "ON" and select the pattern No.2. q 3 Press "ADJUST" key and set the zigzag width at "0", then turn the power switch "OFF". 4 Turn the handwheel to raise the needle bar q from the lowest position until the tip of the rotary hook meets with the right side of the needle w . 5 Open the face cover and loosen Screw (A) as shown. e 6 Move the Needle bar q up or down to adjust the needle bar height. 7 Tighten the Screw (A). Be sure that the groove e on the needle bar facing right in the front. 8 Shut the face cover. 9 Reattach the Bobbin holder, Needle plate and presser foot.
w Needle #14 Surface of hook race
1.6 - 2.0 mm
Rotary hook race
Top of needle eye
19
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Adjusting Clearance between Needle and Hook
The clearance between needle and rotary hook should be -0.10 to + 0.05 mm.
1 Remove the needle, needle plate, bobbin holder, and bed cover, and attach the Test pin q . (A) (C) 2 Turn the power switch "ON" and select the pattern No. 8, then set the zigzag width at " 7.0 " by pressing "ADJUST" key. 3 Loosen Screws (A), (B), (C) and tighten Screw (C) temporarily. 4 Turn the handwheel toward you and adjust the clearance between the Test pin q and the Tip of rotary hook w to - 0.10 to + 0.05 mm by moving the Rotary hook set plate e up or down. 5 Tighten the screws (A), (B), (C) firmly. e 6 Check the rotary hook driver gear and the lower shaft gear backlash. If gears mesh or engage tightly or loosely, check "Adjusting Backlash between Hook Drive and Lower Shaft Gear". 7 Reattach the bed cover,bobbin holder, needle plate, extension table and needle.
(B)
q
w 0.10 to + 0.05 mm
20
9500
Adjusting Backlash between Hook Drive Gear and Lower Shaft Gear
The rotary play of the hook 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. Adjust the backlash after the adjustment of the clearance between needle and rotary hook.
q
To check: 1 Turn the power switch "OFF" 2 Remove the extension table and bed cover. 3 Loosen the Hexagonal socket screw (A). Jog the hook race with fingers to check the rotary play. "If the play is larger than 0.8 mm or the gears do not turn smoothly, adjust the backlash as follows" Adjustment procedure:
B
A
(A)
1 Turn the Lower shaft bushing q (Eccentric), in th direction of "A" when the play at rotary hook tip is too large. 2 Turn the Lower shaft bushing q (Eccentric), in the direction of "B" when the play at rotary hook tip is too small. 3 Tighten the Hexagonal socket screw (A). 4 Reattach the bed cover and extension table.
w e
q Lower shaft bushing w The rotary hook play should be 0.8 mm or less. e Tip of rotary hook
21
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Adjusting Presser Foot Position and Height
When the presser foot is raised, the clearance between the presser foot and the needle plate should be 0.6 mm. When the presser foot is lowered, the edge of the foot and the feed dog window on the needle plate should be parallel.
1 Open the face cover. 2 Raise the presser foot, loosen Screw (A) to adjust the presser foot position and presser foot height, then tighten screw (A). 3 Attach the face cover.
(A)
q Presser foot w 6.0 mm e Feed dog window r Should be parallel
q
w
e
r
22
9500
Adjusting Feed Dog Height
When the pressure adjusting dial is set at "3" and the presser foot is lowered, the highest position of the feed dog should be 0.80 to 0.90 mm from the surface of the needle plate.
To adjust feed dog height
1 Remove the extension table,bed cover and thread cutter cover. 2 Set the pressure dial at "3" and lower the presser bar lifter, then turn the power switch "ON". 3 Turn the handwheel toward you until the feed dog comes to its highest position. 4 Loosen Screw (A). 5 Loosen Nut q and adjust the feed dog height to 0.8 to 0.90 mm r by turning the adjusting screw (B). 6 Tighten Nut q . 7 Tighten Screw (A).
(A)
q
(B)
w r
To adjust the feed dog position parallel to needle plate
Turn the handwheel toward you until the feed dog comes to its highest position, the feed dog e and the needle plate should be parallel. If not, follow the instructions below. 1 Prepare the hexagonal socket screw (C) and insert it to the Threaded hole y and screw it until the tip of threaded screw reaches the bottom. 2 Loosen Screw (D). 3 Turn the hexagonal socket screw (C) and adjust the feed dog e parallel to the needle plate. 4 Tighten Screw (D). 5 Loosen the hexagonal socket screw (C) and remove it. 6 Reattach the thread cutter cover, bed cover and extension table.
e
t
(C)
y (D)
23
9500
Adjusting Height of Embroidery Foot P
Space between the needle plate and the bottom surface of the Foot (P) should be 0.7 to 1.5 mm, when the needle bar is at its lowest position.
1 Set the pressure dial at "2" and remove the top cover. 2 Lower the needle bar and lower the presser bar lifter. 3 Insert the 1.2 mm Thickness gauge q between the Embroidery Foot (P) w and the needle plate. 4 While pressing the Pressure bar actuator e down against the upper shaft cam, loosen the Screw (A) and push it down to the direction of arrow, then tighten Screw (A) again. 5 Reattach the rear cover. (Set the Pressure dial at "3".)
e
NOTE:
After this adjustment, must perform "Foot sensor adjustment". (See page 32)
(A)
w
Needle plate q
Needle
24
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Adjusting Upper Shaft Shield Plate Position
When the machine is set for zigzag stitch, the needle should start to swing 8.3 to 8.7 mm above the surface of the needle plate.
Main Slave
DC1
PH Sensor
H
X
1 Set up the machine in "Adjust Mode". Turn the power switch "ON" while pressing the Start/Stop button (Keep pressing button until the LCD shows the Adjusting window.) 2 Turn the handwheel toward you and raise the needle 8.5 mm q above the surface of the needle plate. 3 Remove the base and loosen the Screw (A) of the upper shaft shield plate w . Turn the upper shaft shield plate until PH sensor signal changes from H to L, and tighten the Screw (A).
Needle #14 q
(A)
w
4 Position the right face of the Upper shaft shield plate in the center of slit of the Upper shaft sensor e and tighten Screw. 5 Reattach the base.
e Sensor (Feed) Sensor (Thread cutter)
w
Even
0.5 - 1.5 mm e
25
9500
Adjusting Tension Release Mechanism
When the presser foot lifter is raised, the tension release mechanism should work correctly. If not, adjust as follows.
Adjusting tension release claw 1 Remove the top cover unit. t 2. Lower the presser foot and turn the thread tension dial q until the convex part of tension dial w is set at the tension release claw e . In this condition, loosen screw (A) and adjust the tension release adjusting plate r to touch the tension discs supporter t . The tension discs should be opened slightly. 3. Tighten screw (A). To Adjust the thread releasing plate u Thread Releasing Plate 4. Lower the presser foot, turn the thread tension dial until the flat surface position touches the releasing claw e . 5. Loosen screw (B). 6. Set the thread releasing lever u so it touches the thread release plate t slightly and tighten screw (B). t 7. When the presser foot is raised, the tension discs should be opened. Note: The clearance between the tension disc supporter and the thread releasing plate should be 0.5 to 1.0 mm i when the presser foot is lowered.
q w
e
(A) r
i
(B) r
Presser Foot Sensor Switch
26
9500
Adjusting Needle Thread Tension
The standard upper thread tension should be 59 to 67 grams when the machine is set for pattern No.1 and the tension dial is set at "AUTO", measured with a #50 polyester thread being pulled at approximately 110 mm/sec. in the direction of arrow.
1 Turn the power switch "ON" and select the pattern No. 1. Press the needle up/down button twice. 2 Set the thread tension [3.4] by pressing "ADJUST" key. 2 Lower the presser foot. 3 Open the face cover and adjust the thread tension. (A) If the thread tension is less than 59 g, .................turn the screw in the direction of " ". (B) If the thread tension is more than 67 g, ...............turn the screw in the direction of " + " q Pulling direction: (pulling speed 110 mm/sec.)
q
27
9500
Replacing Threader Plate and Adjustment
If the hook on the threader plate is damaged, replace it as follows.
To replace: 1 Remove the foot holder. 2 Turn the power switch "ON". Raise the needle q while pressing the needle up/down button. 3 Lower the threader while pushing the threader button q . 4 Turn off the poawer switch. 5 Loosen screaws (2pcs)(A) and replace the threader plate w.
VIEW-X
w e
Adjustment procedure: 1. If the threader hook e thrusts or hits against either left or right edge of the needle eye: Loosen Screws (A) and adjust the position of the threader plate w .
VIEW-X
Needle w
(A)
r
2. If the threader hook e thrusts against either top or bottom edge of the needle eye, or misses the needle eye: Remove the face cover and loosen Screw (B). Move the Threader position adjusting holder (G) r up or down to adjust the hook position.
(B) 28
9500
Adjusting Needle Threader Switch
Adjust the upper switch position as follows if the instructional display will not disappear.
1. Remove screws (A) ( 2 pieces) and remove the motor cover q .
(A) (A) w 2. Loosen screw (B) and adjust the position of switch w position by moving it up or down, so that the needle threader stops with a 3 mm gap e between the slider r and the top end of the guide slot. e 3mm q
3. Attach the motor cover with Screws (A).
(B)
r
29
9500
TTP Adjusting Mode
if a different pattern appears on the touch panel when you pressed the touch panel for selecting a desired pattern, follow the instructions below.
q
á@
w
To adjust touch panel:
1 While pressing the Needle Up/Down button q , turn the power switch "ON" w . (Keep pressing the Needle Up/Down button until the "PRESS MARK" and " + " mark appears.) q Needle Up/Down button w Power switch e Touch panel 2 Press "+ " mark with the touch pen or the tip of the additional spool pin. (Press
4
PRESS MARK
e
1 to 5 in order.)
3 When you press the fifth " + ", "ADJUSTMENT END" will appear on the touch panel.
1
4 Turn the power switch w "OFF".
2
3
5 Turn the power switch "ON" and check the Touch panel again.
5
ADJUSTMENT END
OK
30
9500
Adjusting Stretch Stitch Balance
When a stretch pattern is sewn with the feed balancing dial q set at the standard setting mark " w", the pattern should be as indicated with the " " mark in the following figure. If not (If the forward feeding and backward feeding are out of balance), make an adjustment as follows:
Main Slave
DC1
8 Adjust 88888888
INITIALIZE
X
q
1 Set up the machine in "Adjust Mode". Turn the power switch "ON" while pressing the Start/Stop button (Keep pressing button until the LCD shows the Adjusting window.) 2 Press "8 Adjust" on the touch panel. 3 Set the feed balancing dial q at the standard setting mark " " w . 4 Check the sewing results. (The standard length of the five pieces of figure 8 is 34 mm t .) 5 Remove the base lid. 6 If the length of the stitch pattern is extended more than the standard length, turn the Adjusting screw r in the direction of A. If the length of the stitch pattern is shorter than the standard length, turn the Adjusting screw r in the direction of B. 7 Check the sewing results. 8 Press (X) key and turn the power "OFF". 9 Reattach the base lid e .
w
e
r
(A)
(B)
(B)
t
(A)
q Feed adjusting dial w Setting mark e Base lid (3) r Adjusting screw t 31 to 37 mm
31
9500
Adjusting Presser Foot Lifter Sensor
To adjust the presser foot sensor 1 Start the machine in "Adjust Mode". Turn the power switch "ON" while pressing the Start/Stop button and the reverse button at the same time. (Keep pressing both buttons until LCD shows "Adjust Mode".) 2. Press the "Foot UD" key on the touch panel. 3 Remove the top cover. 4. Loosen Screw (A) and adjust the Switch fixing plate q and make sure the screen shows "H" when the presser foot is raised and screen shows "L" when the presser foot is lowered, then tighten the Screw (A). * After turning the power switch "ON", in this condition, the Tension release plate w should be pushed by the Tension release lever e .
Main Slave
5 Press "X" key and turn the power switch "OFF".
DC1
6 Attach the top cover.
Foot UD H
SET
* Turn the power switch "ON" and check if the sensor works properly when the patternNo.16 is selected.
OK
w
e q
(A) 32
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Adjusting Buttonhole Lever
To adjust buttonhole lever: 1 Start up the machine in "Adjust Mode". Turn the power switch "ON" while pressing the Start/Stop button. (Keep pressing the button until the LCD shows Adjusting window.) 2 Press "BH Sensor" key on the touch panel. 3 Loosen screw (A) and move the BH lever guide q , so that the screen shows "L" when the BH lever w is lowered. Then tighten Screw (A). 4 Attach the BH Foot (R) and lower the BH lever w . 5 Insert the 1.6 mm thickness gauge e between the slider and the spring holder to set the space at 1.6 mm.
Main Slave
DC1
BH Sensor
H
6. Loosen Screw (B) until the touch panel shows "H". 7 Screw in the screw until the screen indication changes from "H" to "L". 8 Press "X" key and turn the power switch "OFF".
X
q w e r t Screw (A) Buttonhole lever guide Buttonhole lever Clearance: 1.6 mm Screw
q
(B) (A)
e
w
33
9500
Adjusting Presser Foot Sensor
To adjust foot sensor position 1 Start the machine in "Adjust Mode". Turn the power switch "ON" while pressing the Start/Stop button and the reverse button at the same time. (Keep pressing both buttons until LCD shows Adjust Mode.) 2. Press the "Foot Sensor" key on the touch panel. 3 Attach the Standard presser foot e , set the pressure dial at "3" , lower the feed dog and the presser foot. 4. Lower the needle bar to the lowest position r . 5 Loosen the Foot sensor shield plate screw (A). 6 Move the foot sensor shield plate q to the left most until it touches the sensor w lightly. ("L" will appear on the touch panel.) 7. Remove the standard foot e and lower the presser bar. (H will appear on the touch panel.) To check: 8 Set the pressure dial at "2".
Main Slave
DC1
Check Foot/Feed Dog
L
H
9 Change the foot to Embroidery foot P and slowly lower the presser foot lifter. 10 Turn the handwheel to raise the needle bar to its
L
highest position.
X
11 When slightly moving the foot sensor shield plate q within its play, check the indication on the touch panel. If the screen shows "H": The foot sensor is properly adjusted. Press the "X" key and turn the power switch "OFF".
w q If the screen shows "L":
Readjust the height of Embroidery foot P and proceed with the adjusting steps again from step 1 to 7.
(A)
e
r
34
9500
Adjusting Remaining Bobbin Thread Sensor
To adjust buttonhole lever: 1 Start the machine in "Adjust Mode". Turn the power switch "ON" while pressing the Start/Stop button and the reverse button at the same time. (Keep pressing both buttons until LCD shows "Adjust Mode".) 2 Press "Bobbin" key on the touch panel. 3 Insert the gauge bobbin (9.2 mm in diameter) in the bobbin holder and press the "Key" button. (The numbers will appear under the "Key" button. Press the "Key" button several times and check if the same number appears each time.) 4 Press "MEM1" button. (The data for step 3 is registered in "MEM 1".) 5 Insert the gauge bobbin (10.3 mm in diameter) in the bobbin holder and press the "Key" button. (The numbers will appear under the "Key" button. Press the "Key" button several times and check if the same number appears each time.) 6. Press "MEM 2" button. (The data for "Step 5" is registered in "MEM 2".)
0
256
Main Slave
DC1
Bobbin Thread
250
X
7 Make sure the difference of numbers for "MEM 1" and "MEM 2" is 4 or more. (The mean number of "MEM 1" and "MEM 2" will be the standard data.) 8 Press "OK" button. 9 Turn the power switch "OFF".
Bobbin thread detection lever
Bobbin holder lever
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Adjusting Thread Cutter Solenoid
Space between the plunger and the upper surface of the yoke should be 5 mm when the plunger oparated.
1 2 Remove the base. Loosen Screws (A) (2 pcs) and move the set plate q up or down to make space between the snap ring of the plunger w and the upper surface of the yoke e 5 mm. Tighten Screws (A). Attach the belt cover.
3 4 Solenoid
(A) e 5 mm
q
w
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Adjusting Upper Shaft Clutch Solenoid
Space between the plunger and the upper surface of the yoke should be 5 mm.
w To adjust: 5 mm 1 2 Remove the belt cover. Loosen Screws (A) (2 pcs) and move the yoke q up or down to make space between the snap ring of the plunger w and the upper surface of the yoke q 5 mm. Tighten Screws (A). Attach the belt cover.
3 4 q
(A)
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Adjusting Thread Cutter Switch
1 Start the machine in "Adjust Mode". Turn the power switch "ON" while pressing the Start/Stop button and the reverse button at the same time. (Keep pressing bothbuttons until LCD shows Adjust Mode.)
2. Press the "Solenoidr" key on the touch panel.
3 Remove the bed cover, base and thread cutter cover.
Main Slave
DC1
Solenoid
84 H Solenoid 2 H Solenoid 3
4 Lower the needle bar at its lowest position.
Solenoid 1
X
5 When lower the actuator arm q , "L" will be indicated on the "Solenoid 2" window of the touch panel. If the screen dose not show "L", loosen Screw (A) and adjust it by moving the switch to left or right. 6 When raise the actuator arm (1), "H" will be indicated on the "Solenoid 2" window of the touch panel. If the screen dose not show "H", loosen Screw (A) and adjust it by moving the switch to left or right. 7 Attach the thread cutter cover, bed cover and base.
q
SEWING "H"
THREAD CUTTING "L"
(A)
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Adjusting Bobbin Winder Stopper
The amount of thread wound on the bobbin should be 16.519.5 mm in diameter.
1 16.5 -19.5 mm
Loosen the setscrew q . Turn the bobbin winder stopper w to adjust the thread amount. · If the amount is too mauch, turn the stopper in the direction A. · If the amount is not enough, turn the stopper in the direction B. 2 Tighten the setscrew q firmly.
q
A
B
w
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Adjusting Thread Drawing Lever
The standard height of the thread drawing lever from the surface of bobbin holder should bein the range of 5.45 - 5.75 mm.
1 2
Remove the needle plate. Loosen thehe hxagonal bolt q and adjust distance of the thread drawing lever w from the bobbin holder e should be in 1.3 mm by move the thread drawing lever up or down.
VIEW - X
3 4 w
Tighten the hexagonal bolt. Attach the needle plate
VIEW A
5.45 - 5.75 mm
e q
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Adjusting X and Y Sensors
(C)
(C)
1 Turn the power switch "ON". (Initial setting) 2 Turn the power switch "OFF" and remove the base unit. 3 Remove the Y carriage cover q, X carriage cover w, X carriage cap e and embroidery base cover r and t.
(C)
4 Loosen screw (A) to adjust dimension (Y) to 16.5 mm by moving the Y sensor attaching plate y . 5 Loosen screw (B) to adjust dimension (X) to 3.6 mm by moving the X sensor attaching plate u. 7 Attach the Y carriage cover q , X carriage cover w , X carriage cap e and embroidery base cover 1 r and 2 t . r 8 Attach the base.
(C)
(C)
w
q
e
t
y
(A)
(Y) 16.5 mm
(B) u
3.6 mm (X) 41
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Adjusting the Sewing Start Position
Adjust the sewing start position as follows. (Method of not removing base)
Note: If the start position shifts greatly, see page 41. 1 Remove the Y carriage cover q .
q
2 Remove the foot holder and attach the embroidery hoop (ST).
(A)
3 Place the template w on the embroidery hoop (ST). 4 Turn the power switch `ON". Select the embroidery mode and select pattern NO.1. 5 Check the needle e if it is enter the start position hole r of the template. 6 Turn the power switch "OFF".
7 When threr is a gap, loosen Screws (A) (4 pcs) and adjust that the needle comes to center. 8 Turn the power switch "ON" again. Select the patternNO. 1 and check the start position. 9 Remove the template and the embroidery hoop. Select the conventional sewing mode and return the carriage to normal position. 10 Turn the power switch "OFF" and attach the Y carriage cover.
START STOP
w
e
r
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Setting Position of Thread Take Up lever
Thread take up lever (E)
Setscrew (A)- short Insert the needle bar crank into the take up crank (C) so that the flat part of the needle bar crank (D) faces the setscrew (B). Then tighten the setscrew (B). Setscrew (B)- long
Take up crank (C)
Flat part of the needle bar crank (D)
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To Adjust Upper Shaft Declutch Device
[Correct position of the upper shaft declutch device (E)] VIEW-A 12.3 degrees (B) When the flat part of the upper shaft (C) is leveled, the take up crank (D) should be at the angle of 12.3 degree s (B).
Take up crank (D)
Setscrew (F)
Flat part of the upper shaft (C) Upper shaft declutch device(E)
Setscrew (G)
[Play on the declutch piece] To reduce the play of the declutch piece, loosen the setscrew (F) and (G). While pushing the upper shaft declutch device in the derection of (I), tighten the setscrew (F). Then tighten the setscrew (G). Make sure that the declutch piece (H) moves smoothly.
VIEW-A
Declutch piece (H)
The declutch piece should move smoothly in both ways.
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Setting Position of Parts on Lower Shaft
The setting positions of the parts on the lower shaft are as shown below. The setting angle of the parts (A), (B) and (C) is the same as (D).
Spring pin (D)
Feed cam (C) Cam (B) Feed lifting cam VIEW-X Shield plate Belt wheel
VIEW-Y Pin Cam (A) Belt wheel setting mark
VIEW-X VIEW-Y Spring pin
Spring pin (D) Pin
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Setting Position of the Upper and Lower Shafts
Setting mark (A)
When the setting mark (A) on the cam (B) is exactly at the top, the spring pin (E) is vertical and the setting mark (C) on the belt wheel (D) shoul be in the position as shown.
Clutch cam (B)
Setting mark (C) Spring pin (E) Lower shaft belt gear (D)
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