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DC6030

SERVICE MANUAL

Содержание DC6030

Страница 1: ...DC6030 SERVICE MANUAL...

Страница 2: ...edle and Tip of Hook Rotary 12 Feed Dog Height 13 Feed Dog Adjustment 14 Top Tension 15 Circuit Board A connection 16 Self diagnostic Test 17 22 To Display the Version of the Program 22 Replacing the...

Страница 3: ...d tip of the rotary hook Reference P 12 1 Incorrect feed dog height 2 Feed dog is in down position 3 Thread on bottom side of fabric is jammed up 4 Feed dog teeth are worn Adjustment of Feed Dog Heigh...

Страница 4: ...ty sewing thread Clear out the jamming thread Adjustment of Needle Drop Position Reference P 9 Change the needle Adjustment of Clearance between Needle and Tip of Hook Rotary Reference P 12 Guide the...

Страница 5: ...the setscrews 2 pcs Remove the face plate To attach 2 Follow the above procedure in reverse Make sure that the face plate can be closed fitting with the thread tension and the rear cover Changing Exte...

Страница 6: ...setscrew A 2 Remove the setscrew B Move the free arm cover to the left Remove the free arm cover To attach 3 Insert the free arm cover Tighten the setscrew A and B 4 Attach the cap Changing External P...

Страница 7: ...ll the connectors from the circuit board A Notes Do not disconnect the connectors by pulling on cord To disconnect grasp the connector not the cord To attach 1 Follow the above procedures in reverse N...

Страница 8: ...6 Changing External Parts 3 2 Front Cover 1 Disengage the front cover and rear cover hooks...

Страница 9: ...ws D 2 pcs Remove the rear cover Lower the presser foot lifter Remove the part around the presser foot lifter and remove the part around the machine socket To attach 5 Follow the above procedures in r...

Страница 10: ...e plate 2 Raise the presser foot and presser foot lifter and loosen the setscrew Place the 6mm spacer block between the presser foot and the needle plate Adjust the direction of the presser bar 3 Tigh...

Страница 11: ...Check that the needle drop position 2 If the needle drop position is not correct turn the power switch off and remove the face cover Loosen the hexagonal socket screw 3 x 4 Adjust the needle drop posi...

Страница 12: ...gzag width at 0 4 Turn the handwheel toward you to lower the needle at its lowest position 5 Loosen the hexagonal socket screw 2 pcs 6 Move the needle bar 3 4 mm from the lowest position 7 Turn the lo...

Страница 13: ...the power switch on 3 Select the pattern left position Set the zigzag width at 0 4 Turn the handwheel toward you until the tip of hook meets the right side of the needle 5 Loosen the hexagonal socket...

Страница 14: ...etscrew A 2 pcs 4 Turn the handwheel toward you Adjust the clearance between the needle and the tip of the rotarty hook by moving the hook base plate up or down to within 0 1 to 0 05 mm at the left an...

Страница 15: ...t the feed dog at the highest position 4 Loosen the setscrew A and nut 5 Adjust the feed dog height by turning the adjusting screw The highest position of the feed dog should be between 0 80 and 0 90...

Страница 16: ...sert the screw to the hole B Tighten the hexagonal socket screw as far as it goes 2 Loosen the setscrew C left screw 3 Turn hexagonal socket screw to adjust the feed dog should be parallel to the surf...

Страница 17: ...ead 50 White 1 Set the tension dial 4 2 Remove the cover 3 Lower the presser foot If the top tension is too loose turn the lead screw in the direction A If the top tension is too tight turn the lead s...

Страница 18: ...he correct direction pushing to snap it in place Printed circuit board A Bobbin winding switch Blue Printed circuit board P Black Controller Black Presser foot lifter switch Green Buttonhole sensor pr...

Страница 19: ...p number of the diagnostic test you require by pressing the start stop button To begin 1 Turn on the switch if any of the following problems occur take the recommended actions in the order they are sh...

Страница 20: ...op button If the result is correct condition press the start stop button to proceed the next step If the result is defective condition press the reverse stitch button to proceed the next step Press bu...

Страница 21: ...f the result is correct condition press the start stop button to proceed the next step If the result is defective condition press the reverse stitch button to proceed the next step Raise or lower the...

Страница 22: ...proceed the next step If the result is defective condition press the reverse stitch button to proceed the next step Correct Condition LCD displays 07 LCD displays stitch width symbol when the needle...

Страница 23: ...ch button to proceed the next step Correct Condition LCD displays 10 Machine runs slow then fast and the needle bar stops at its highest position LCD displays 11 Press the needle up down position butt...

Страница 24: ...nds and LCD displays the defective part number The defective part number To Display the Version of the Program e Press the start stop button to display the version of the program e Press button 3 q Tu...

Страница 25: ...rd To disconnect grasp the connector not the cord To attach 1 Follow the above procedures in reverse Attach the flame retardant insulation paper 1 and 2 Note 1 Make sure to insert the connector into t...

Страница 26: ...2pcs and the speed control slider Remove the transparent covers 2 pcs by pulling them downward and remove the circuit board L1 and the circuit board L2 Note Do not disconnect the connectors by pullin...

Страница 27: ...2 Remove the setscrews 2pcs and the driving motor and the belt To attach 1 Install the driving motor and the motor belt Tighten them with setscrews 2pcs lightly 2 Move the motor up or down to adjust t...

Страница 28: ...regulator 3 Remove the setscrews B 4 pcs power supply connector and foot control connector To attach 4 Follow the above procedures in reverse Replacing the Switching Regulator unit Setscrew B Switchin...

Страница 29: ...the LCD display buttonhole symbol 7 Next turn the adjusting screw to the right until the buttonhole symbol disappears 8 Turn off the power switch 9 Attach the face cover 10 Turn on the power switch an...

Страница 30: ...position Fig 2 2 If the hook on the threader plate touches the top or bottom edge of the needle eye remove the face plate loosen setscrew A and adjust the position of the threader position set plate...

Страница 31: ...lder cutter unit upward straight and remove it from the bobbin winder spindle 2 Attach the new bobbin thread holder cutter unit on the bobbin winder spindle so that the rib large fits into the notch l...

Страница 32: ...r Remove the dust on the area of the thread cutter and the lower shaft gear as follow 1 Remove the free arm cover and clean the area of the thread cutter and the lower shaft gear 2 After cleaning repl...

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