ELNA 8200 Service Manual
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ELNA 8200 Service Manual

ELNA 8200 Service Manual

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Summary of Contents for ELNA 8200

  • Page 2: Changing External Parts (1) Face Cover

    Model 8200 Changing External Parts (1) Face Cover Replacing th face cover To remove: 1. Remove the Cap and Screw and remove the Face Cover Screw Face cover To attach: 2. Follow the above procedure in reverse. Top Cover Replacing th top cover...

  • Page 3: Changing External Parts (2) Belt Cover

    Model 8200 Changing External Parts (2) Belt Cover Replacing the belt cover To remove: 1. Remove the Cap and Screw 2. Raise the Carrying Handle and remove the Screw 3. Lay the machine on its back and remove Screws (2 pcs. gold color), then remove the Belt cover...

  • Page 4: Changing External Parts (3) Base Cover

    Model 8200 Changing External Parts (3) Base Cover Replacing the base cover To remove: 1. Remove Screws (4 pieces) to remove the base cover Screws Base cover To attach: 2. Follow the above procedure in reverse.
  • Page 5 Model 8200 Changing External Parts (4) Bed Cover / Base Lid (2) Replacing the bed cover To remove: 1. Remove the base cover. (See page 3) 2. Remove Screw (2 pcs.), and remove the Base 3. Remove Screw (2 pcs.), and remove the Bed...

  • Page 6: Changing External Parts (5) Base Unit

    Model 8200 Changing External Parts (5) Base Unit Base To remove: 1. Remove the Belt cover. (See page 2) 2. Remove Setscrew (4 pcs.), and remove the base unit . 3. Remove the X-Motor Connector and Y-Motor Connector from the printed circuit board “A”.
  • Page 7 Model 8200 Changing External Parts (6) Front Cover Front cover To remove: 1. Remove the face cover, belt cover, base cover and top cover. (See pages 1-2). 2. Remove Screw and remove the Arm thread guide (lower) 3. Remove Screw 4.

  • Page 8: Changing External Parts (7) Rear Cover

    Model 8200 Changing External Parts (7) Rear Cover Rear cover To remove: 1. Remove the face cover and belt cover. 2. Loosen Screw , and remove the rear cover. To attach: 3. Follow the above procedure in reverse. Carriage Rear cover...

  • Page 9: Adjusting Needle Drop Position

    Model 8200 Adjusting Needle Drop Position Tthe needle should be positioned at the center of the needle plate hole. 1. Lower the needle to its lowest position by turning the handwheel. 2. Remove the face cover and loosen Screw move the Needle bar supporter...

  • Page 10: Adjusting Hook Timing

    Model 8200 Adjusting Hook Timing The hook timing is that amount of ascending travel of the needle bar from its lowest position to where the tip of the rotary hook meets the left side of the needle should be 3.1 to 3.7 mm.

  • Page 11: Adjusting Needle Bar Height

    Model 8200 Adjusting Needle Bar Height The standard distance between the top of the needle eye and the upper surface of the hook race should be in the range of 1.6 - 2.0 mm when the rotary hook meets the left side of the needle in ascending travel of needle from its lowest position.

  • Page 12: Adjusting Clearance Between Needle And Hook

    Model 8200 Adjusting Clearance between Needle and Hook The clearance between needle and rotary hook should be - 0.1 to + 0.05 mm. 1. Remove the needle plate, bobbin holder, base cover and bed cover (See pages 3 - 4).
  • Page 13 Model 8200 Adjusting Backlash between Hook Drive Gear and Lower Shaft Gear The rotary play of the hook should be 0.8 mm or less. Adjust the backlash after the adjustment of the clearance between needle and rotary hook. To check: 1.

  • Page 14: Adjusting Height Of The Needle Stop Position

    Model 8200 Adjusting Height of the Needle Stop Position The standard height of needle stop position should be 14.2 mm above the needle plate surface when the machine is topped. 1. Remove the top cover unit. (See page 1) 2. Turn the power switch “ON” and press Start / Stop button twice.

  • Page 15: Adjusting Thread Tension

    Model 8200 Adjusting Thread Tension Upper Thrtead Tension: The standard upper thread tension should be 51 to 59 grams when the tension dial is set at “3”, measured with a #50 polyester thread being pulled at approximately 110 mm/sec. in the direction of arrow.

  • Page 16: Adjusting Tension Release Mechanism

    Model 8200 Adjusting Tension Release Mechanism When the presser foot lifter is raised, the tension disks should open approximately 1.0 mm. When the presser foot lifter is lowered, the tension disks should close and the tension release plate (2) should be free from tension.

  • Page 17: Changing Thread Tension Unit

    Model 8200 Changing Thread Tension Unit Replacing the thread tension unit To remove: 1. Remove the front cover unit.Åisee page 6) 2. Remove Screws To attach: 3. Follow the above procedure in reverse. Note: After the replacement, adjust “Thread Tension...

  • Page 18: Replacing Threader Plate And Adjustment

    Model 8200 Replacing Threader Plate and Adjustment If the hook on the threader plate is damaged, replace it by following the instructions below. To replace (Fig. 1): 1. Remove the presser foot. 2. Push down the Threader supporter plate remove from the Pin .
  • Page 19 Model 8200 Adjusting Height of Embroidery Foot P Attach the Foot (P), and the space between the needle plate and the bottom surface of the Foot (P) should be 1.0 to 1.6 mm, when the needle bar is at its lowest position.

  • Page 20: Connector Connection Diagram

    Model 8200 Connector Connection Diagram Please see the following connector connection diagram for the printed circuit board “A” (Main board). LCD Harness Printed circuit board Bobbin winder sensor “F” (Black) (Blue) Touch panel Upper shaft sensor (Black) Thread detection sensor...
  • Page 21 Model 8200 Replacing Printed Circuit Board “A” (Main board) To remove: 1. Remove the front cover. (See page 6) 2. Pull out the connectors of printed circuit board F LCD Harness, Inverter and Touch panel. 3. Remove Screws (6 pieces) and the Printed circuit board “A”...

  • Page 22: Replacing Touch Panel

    Model 8200 Replacing Touch Panel To remove: 1. Remove the front cover. (See page 6) 2. Pull out the Connectors of Printed circuit board “F” (Start/Stop) , LCD Harness and Inverter connector and Touch panel connectors 3. Remove Screws (4 pieces) and remove the...

  • Page 23: Touch Screen Calibration

    Model 8200 Touch Screen Calibration Adjust the key position of the touch screen after replacing the touch panel, or if the key position is out of alignment. Note: Do not press any key other than those described in the following sections. These keys are not for servicing but for factory use only.
  • Page 24 Model 8200 Replacing Printed Circuit Board “F” (Start/Stop) To remove: 1. Remove the front cover. (See page 6) 2. Pull out the connector from the printed circuit board “A” (Mainboard) (See page 25). 3. Remove Screws (2 pieces) and remove the Printed circuit board “F”...
  • Page 25 Model 8200 Adjustment of the Solenoid 1. Remove the top cover. (see page 1) 2. Loosen the setscrews 3. Adjust the clearance of Solenoid 1.6 mm with the tension disk closed. 4. Tighten the setscrew The plunger is drawn 1.6mm...

  • Page 26: Replacing Dc Motor And Motor Belt Tension Adjustment

    Model 8200 Replacing DC Motor and Motor Belt Tension Adjustment Replacing DC Motor 1. Remove the belt cover. (See page 2) 2. Remove the motor belt. 3. Remove the Motor connector from the printed circuit board “A” (Main board). 4. Remove Screw 5.

  • Page 27: Replacing Carriage Plate (Unit)

    Model 8200 Replacing Carriage Plate (Unit) To remove: 1. Turn the power switch “ON” and select the pattern No.1. 2. Turn the power switch “OFF” and remove the Cover . (Unlock the hook from the inside.) 3. Turn the power switch “ON” to return the carriage to the home position.

  • Page 28: Adjusting X And Y Sensors

    Model 8200 Adjusting X and Y Sensors To adjust X and Y sensors: 1. Turn the power “ON” to return the carriage to the home position. (X-1) 2. Turn the power “OFF” and then remove the base 69.0 mm unit.
  • Page 29 Model 8200 Adjusting X and Y Sensors (Simple Adjustment) To adjust X and Y sensor (without removing the base unit): 1. Remove the base cover.(see page 3) à Û 2. Remove the presser foot and attach the Embroidery hoop “A”...
  • Page 30 Model 8200 Adjusting Carriage Motor Gear If the carriage motor gear sounds noisy when sewing the embroidery stitches, follow the instructions below. 1. Remove the base unit (See page 5). 2. Remove Screw and Nylon clip 3. Attach the X and Y motor connectors to printed circuit board “A”...

  • Page 31: Replacing Switching Power Supply

    Model 8200 Replacing Switching Power Supply Replacement of Switching Power Supply To remove: 1. Remove the face cover, top cover, belt cover, front cover and rear cover. 2. Remove Screws and remove the machine socket and fixing plate. 3. Pull out the Machine socket unit connector 4.
  • Page 32 Model 8200 Oiling Apply a few drops of high quality sewing machine oil to the points indicated by the arrows.

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