ELNA 6003 free download

File name 1999_sewing_machine_®_.pdf

PDFMAILER.DE Elna 6005 Heirloom Edition SERVICE MANUAL 11/99 Printed in Switzerland 395902-42 PDFMAILER.DE CONTENTS WIRING AND ELECTRONIC CHECK Wiring diagram General trouble shooting procedure What to do when Electronic quick check 1 2 3-5 6-7 SERVICE ACCESS Face cover Top cover Belt cover Base plate Bed cover Front cover Rear cover 8 8 9 10 10 11 12 MECHANICAL ADJUSTMENT Needle centring Needle bar height Hook and feed timing Clearance Backlash of hook drive gear and lower shaft gear Feed dog height Needle bar swing sensor Upper and lower tension Stretch stitch feed balance Buttonhole Presser bar height and alignment 13 14 15 16 17 18 19 20 21 22 23 REPLACEMENT Threader plate C-Board and Fuse Transformer Receptacle A-Board K and F-Board DC Motor Buttonhole Upper shaft sensor Zigzag stepping motor Feed stepping motor 24 25 26 27 28 29 30 31 32 33 34 PDFMAILER.DE 1 Wiring Diagram NAME OF ELECTRONIC PARTS AND WIRING Each connector should be connected as follows A: B: C: D: E: F: THREAD TENSION SWITCH BUTTONHOLE SENSOR UPPER SHAFT SENSOR SEWING LIGHT C-BOARD FEED STEPPING MOTOR G: ZIGZAG STEPPING MOTOR H: DC MOTOR I: F-BOARD J: K-BOARD K: RECEPTACLE (SECONDARY) L: A-BOARD PDFMAILER.DE GENERAL TROUBLE SHOOTING PROCEDURE 2 MACHINE DOESN'T WORK WELL PDFMAILER.DE 3 1. CONDITION Skipping stitches. WHAT TO DO WHEN CAUSE 1. Needle is not inserted properly. 2. Needle is bent or worn. 3. Incorrectly threaded. 4. Needle or thread is inappropriate for fabric being sewn. 5. Sewing on stretch fabric 6. Presser foot pressure is too weak. 7. Inappropriate needle bar height. 8. Inappropriate needle to hook timing. 9 Inappropriate needle to shuttle clearance. 2. Fabric not moving. 1. Presser foot pressure in too weak. HOW TO FIX 1. Insert the needle properly. 2. Change the needle. 3. Retread. 4. Use the recommended sewing needle and thread. 5. Use a No. 11 blue tip needle. 6. Adjust the presser bar level to make the pressure stronger. 7. See mechanical adjustment "Needle bar height" 8. See mechanical adjustment "Needle to shuttle timing". 9. See mechanical adjustment "Clearance between needle and hook". 1. Adjust the presser bar level to make the pressure stronger. 2. See mechanical adjustment "Feed dog height". 3. Raise the feed dog level. REFERENCE Page 14 Page 15 Page 16 2. Incorrect feed dog height. 3. Feed dog is in down position. 4. Thread on bottom side 4. Make sure to bring both of fabric is jammed up. needle and bobbin. 5. Feed dog teeth are 5. Thread under the foot when worn. starting sewing. 3. Breaking upper thread. 1. Initial sewing speed is too fast. 2. Thread path is incorrect. 3. Needle is bent or dull. 4. Upper thread tension is too strong. 5. Needle size is inappropriate for fabric. 6. Needle eye is worn. 7. Needle hole in needle plate is worn or burred. 1. Incorrectly threaded bobbin. 2. Too much thread is around on the bobbin. 3. Lint is stuck inside the bobbin holder. 4. Thread quality is too low. 5. Thread is jamming