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ELNA 9500 Service Manual

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SERVICING MANUAL
9500

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Summary of Contents for ELNA 9500

  • Page 1 SERVICING MANUAL 9500...

  • Page 2: Table Of Contents

    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 ................
  • Page 3 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 ............

  • Page 4: Changing External Parts (1)

    9500 Changing External Parts (1) Replacing the face cover To remove: 1 Remove Screws (A) (2 pcs) and remove the face cover To attach: 2 Follow the above procedure in reverse. Replacing the top cover To remove: 1 Open the face cover.

  • Page 5: Changing External Parts (2)

    9500 Changing External Parts (2) Replacing the belt cover To remove: 1　Loosen Screw (A) . 2 Remove the Caps and remove Screws (B) and (C). 3 Remove the hook 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.

  • Page 6: Changing External Parts (3)

    9500 Changing External Parts (3) Replacing the bed cover To remove: 1　Remove the extension table. 2 Remove Screws (A) (2 pcs) and remove the bed cover. To attach: 3 Follow the above procedure in reverse.

  • Page 7: Changing External Parts (4)

    9500 Changing External Parts (4) Replacing the base To remove: 1 Remove the extension table. 2 Remove the belt cover. 3 Disconnect the connector from the printed circuit board S1 4 Loosen Screws (A) and (B) and remove the base.

  • Page 8: Changing External Parts (5)

    9500 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) 3 Loosen Screw(B). 4 Loosen Screw (C) and remove (D).

  • Page 9: Changing External Parts (6)

    9500 Changing External Parts (6) 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:...

  • Page 10: Changing Thread Tension Uni

    9500 Changing Thread Tension Unit To remove: 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.

  • Page 11: Replacing The Thread Cutter Unit

    9500 Replacing the Thread Cutter unit 1 Remove the needle plate and bed cover. 2 Loosen Screw (A) and remove the thread cutter cover 3 Remove Screws (B) (2 pcs) and remove the thread cutter unit. 4 Insert the pin into the thread cutter hole and attach the thread cutter unit by Screw (B).

  • Page 12: Replacing Needle Threader Motor (1)

    9500 Replacing Needle Threader Motor (1) 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 4 Remove Screws (B) (2 pieces) and remove the motor.

  • Page 13: Replacing Needle Threader Motor (2)

    9500 Replacing Needle Threader Motor (2) Needle threader motor unit To attach: 5 Insert the convex part of the needle bar supporter into the forked part of the moval body Lamp supporter 6 Attach the motor by Screw (B). 7 Insert the each cord in the cord guide and connect to the circuit board “U”.

  • Page 14: Connector Connection Diagaram

    9500 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 L2 (White) Printed circuit board R (White)

  • Page 15: Replacing Printed Circuit Board A

    9500 Replacing Printed Circuit Board A To remove: 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 To remove: 4 Follow the above procedure in reverse.

  • Page 16: Replacing Printed Circuit Board F1, F2/Slide Volume

    9500 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 To attach: 4 Follow the above procedure in reverse.

  • Page 17: Replacing Printed Circuit Board B

    9500 Replacing Printed Circuit Board B To remove: 1 Remove the belt cover. 2 Remove the base 3 Remove Screws (A) (2 pieces) and remove the Printed circuit board B case circuit board B 3　Disconnect the Herness from the B board. To attach:...

  • Page 18: Replacing Switching Power Supply

    9500 Replacing Switching Power Supply To remove: Remove the top cover, belt cover, base, and rear cover. Remove Screws (A) and (B), and remove the switching power supply Disconnect the herness from switching power supply. To attach: Follow the above procedure in reverse.

  • Page 19: Replacing Dc Motor And Motor Belt Tension Adjustment

    9500 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.

  • Page 20: Adjusting Needle Drop Position

    9500 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.

  • Page 21: Adjusting Hook Timing

    9500 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.

  • Page 22: Adjusting Needle Bar Height

    9500 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.

  • Page 23: Adjusting Clearance Between Needle And Hook

    9500 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 2 Turn the power switch “ON” and select the pattern No.

  • Page 24: Adjusting Backlash Between Hook Drive Gear And Lower Shaft Gear

    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.

  • Page 25: Adjusting Presser Foot Position And Height

    9500 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.

  • Page 26: Adjusting Feed Dog Height

    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.

  • Page 27: Adjusting Height Of Embroidery Foot P

    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.

  • Page 28: Adjusting Upper Shaft Shield Plate Position

    9500 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 PH Sensor 1 Set up the machine in “Adjust Mode”. Turn the power switch “ON”...

  • Page 29: Adjusting Tension Release Mechanism

    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. 2. Lower the presser foot and turn the thread...

  • Page 30: Adjusting Needle Thread Tension

    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.

  • Page 31: Replacing Threader Plate And Adjustment

    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 while pressing the needle up/down button.

  • Page 32: Adjusting Needle Threader Switch

    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 2. Loosen screw (B) and adjust the position of switch...

  • Page 33: Ttp Adjusting Mode

    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. To adjust touch panel: á@ 1 While pressing the Needle Up/Down button turn the power switch “ON”...

  • Page 34: Adjusting Stretch Stitch Balance

    9500 Adjusting Stretch Stitch Balance When a stretch pattern is sewn with the feed balancing dial set at the standard setting mark “ “, 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...

  • Page 35: Adjusting Presser Foot Lifter Sensor

    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.

  • Page 36: Adjusting Buttonhole Lever

    9500 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.

  • Page 37: Adjusting Presser Foot Sensor

    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.

  • Page 38: Adjusting Remaining Bobbin Thread Sensor

    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”...

  • Page 39: Adjusting Thread Cutter Solenoid

    9500 Adjusting Thread Cutter Solenoid Space between the plunger and the upper surface of the yoke should be 5 mm when the plunger oparated. Remove the base. Loosen Screws (A) (2 pcs) and move the set plate up or down to make space between the...

  • Page 40: Adjusting Upper Shaft Clutch Solenoid

    9500 Adjusting Upper Shaft Clutch Solenoid Space between the plunger and the upper surface of the yoke should be 5 mm. To adjust: Remove the belt cover. 5 mm Loosen Screws (A) (2 pcs) and move the yoke up or down to make space between the snap ring...

  • Page 41: Adjusting Thread Cutter Switch

    9500 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.

  • Page 42: Adjusting Bobbin Winder Stopper

    9500 Adjusting Bobbin Winder Stopper The amount of thread wound on the bobbin should be 16.5–19.5 mm in diameter. Loosen the setscrew . Turn the bobbin winder stopper w to adjust the thread amount. • If the amount is too mauch, turn the stopper in the 16.5 -19.5 mm...

  • Page 43: Adjusting Thread Drawing Lever

    9500 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. Remove the needle plate. Loosen thehe hxagonal bolt and adjust distance of...

  • Page 44: Adjusting X And Y Sensors

    9500 Adjusting X and Y Sensors 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 q q q q , X carriage cover w w w w w , X carriage cap e e e e e and embroidery base cover r r r r r and t t t t t .

  • Page 45: Adjusting The Sewing Start Position

    9500 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 2 Remove the foot holder and attach the embroidery hoop (ST).

  • Page 46: Setting Position Of Thread Take Up Lever

    9500 Setting Position of Thread Take Up lever Thread take Setscrew (A)- short up lever (E) 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).

  • Page 47: To Adjust Upper Shaft Declutch Device

    9500 To Adjust Upper Shaft Declutch Device [Correct position of the upper shaft declutch device (E)] 12.3 degrees (B) VIEW-A 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).

  • Page 48: Setting Position Of Parts On Lower Shaft

    9500 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)

  • Page 49: Setting Position Of The Upper And Lower Shafts

    9500 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.

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