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Janome MC6300P, Руководство по обслуживанию, Страница: 44 / 50

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42

1. Number, LED, LED lamp & Buzzer

[Correct condition]

1) Buzzer sounds

2) The number LED and LED

lamp blink at 1 second

interval.

3) Sewing light turns on.

Press the “Clear” button to

proceed to the next step.

2. Function buttons

[Correct condition]

Press all of the buttons on the

front cover. (Press the clear button

at last.)

Each time a button Is pressed,

the code of the button appears

on the LED.

Press “Clear” button to proceed

to the next step.

Codes of buttons on the circuit board F

F1 Auto thread cutter button

F2 Up/Down needle position button

F3 Auto lock button

F4 Reverse button

Codes of buttons on the circuit board K

01 Bobbin winder button

02 Twin needle button

04 Memory button

05 Stitch length button

06 Zigzag width minus button

07 Zigzag width plus button

08 Stitch length minus button

09 Stitch length plus button

10 Stitch selection button 1

11 Stitch selection button 2

12 Stitch selection button 3

13 Stitch selection button 4

* 03 Clear button shows 03 and

proceeds to the next step.

[Faulty condition]

The buzzer does not sound.

It does not go to the next step.

Number LED and LED do not blink.

Replace

Circuit board F

Circuit board K

Circuit board A

[Faulty condition]

It shows [ - - ] , butu does not show

the code of button.

Replace

Circuit board F

Circuit board K

Circuit board A

Содержание MC6300P

Страница 1: ...SERVICE MANUAL MC6300P...

Страница 2: ...r plate 23 24 25 26 To adjust thread supply control lever 27 Setting position of thread take up lever 28 To adjust the upper shaft declutch device 29 Setting positions of parts on lower shaft 30 Setti...

Страница 3: ...crew A to remove the face plate To attach Attach the face plate with the setscrews A Top cover To remove 1 Remove the setscrews B and C 2 Pull out the connector D of the bobbin winder and remove the t...

Страница 4: ...20 cm high Belt cover To remove 1 Remove the setscrews A B and C 2 Remove the belt cover To attach 3 Insert the projections D E and F and tighten the setscrews A B and C Machine base To remove Remove...

Страница 5: ...w A Auto hread cutter cover TO REMOVE AUTO THREAD CUTTER COVER To remove Loosen the setscrew A and pull off the auto hread cutter cover To attach Replace the auto thread cutter cover and tighten the s...

Страница 6: ...e top cover and belt cover refer to pages 1 and 2 2 Loosen the setscrews A B C and D 3 Pull out the connectors refer to page 10 and remove the front cover To attach 4 Proceed with the above procedure...

Страница 7: ...the face plate and top cover refer to page 1 2 Loosen the setscrews A and B Remove the cover D To attach Reverse the above procedure Take care when removing and attaching the cover as the right hand...

Страница 8: ...Setscrew C Thread guide D TO REMOVE THE THREAD GUIDE To remove Remove the face plate and tilt the lamp socket E to the left Remove the setscrews A B and C and emove the thread guide D To attach Rever...

Страница 9: ...emove the front cover refer to page 4 2 Remove the 4 setscrews A Remove the circuit board A together with the mounting bracket 3 Remove the 2 setscrews D 4 Remove the 2 setscrews B and 2 setscrews C 5...

Страница 10: ...D K Setscrew Setscrew Connector of the speed control lever To remove 1 Remove the front cover refer to page 4 2 Pull out the connector of the speed control lever 3 Remove the 8 setscrews To attach Rev...

Страница 11: ...or from the circuit board A refer to page 7 3 Remove the 3 setscrews A and 2 CS rings D To attach Reverse the above procedure Make sure that the buttons are placed in the correct places and direction...

Страница 12: ...le sensor black 3 pins Circuit board K black 32 pins Presser bar switch black 2 pins Motor for thread tension release red 7 pins Auto thread cutter switch red 2 pins Separation solenoid red 2 pins Bob...

Страница 13: ...l socket screw A 4 Attach the face plate Hole of needle plate 0 2mm or more 0 2mm or more A B Hexagonal socket screw A Threader lever TO ADJUST NEEDLE DROP POSITION When the straight stitch is selecte...

Страница 14: ...ear C 7 Move the needle bar between 3 25mm and 3 55mm from the lowest position 8 Turn the lower shaft gear C until the tip of the hook meets the right side of the needle 9 Tighten the hexagonal socket...

Страница 15: ...eedle bar Fix the arm thread guide and face plate guide 9 Attach the arm thread guide face plate bobbin holder needel plate A and presser foot Needle plate A Bobbin holder B Point of hook Hook race Ne...

Страница 16: ...orter B to the original position and adjust the clearance between the needle and the tip of the rotary hook J by using Adjustment II Adjustment II 1 Remove the machine base refer to page 2 2 Turn the...

Страница 17: ...ittle turn the lower shaft bushing in direction B 5 Tighten the hexagonal socket screw D 6 Attach the needle needle plate and bobbin holder 7 Attach the machine base NOTE After adjusting the backlash...

Страница 18: ...cket screw A Adjust the direction and height of the presser bar 3 Attach the face plate TO ADJUST DIRECTION OF PRESSER BAR AND ITS HEIGHT When the presser foot is lifted the distance between the surfa...

Страница 19: ...og is not parallel to the surface of the needle plate at its highest position make the adjustment as follows For this adjustment a hexagonal socket screw I part No 000111108 is required 1 Insert a hex...

Страница 20: ...A B C and D on page 4 it is not necessary to remove the connectors 2 Remove the face plate 3 Remove the setscrews A and B Remove the thread guide cover C 4 Loosen the hexagonal socket screw D 5 Remove...

Страница 21: ...and thread guide refer to pages 1 and 6 2 Loosen the setscrew A 3 Adjust the opening by turning the eccentric pin 4 Tighten the setscrew A TO ADJUST TENSION RELEASE MECHANISM 1 When the presser bar li...

Страница 22: ...n the tension release gear C counter clockwise until it stops 4 Check the opening It should be 0 8mm E If the opening is not wide enough loosen the setscrews A and B Tighten the setscrew B slightly Mo...

Страница 23: ...he dial B To loosen the tension turn it counter clockwise To tighten the tension turn it clockwise 5 Push in the tension dial A aligning the 4 with the setting mark C TO ADJUST UPPER THREAD TENSION Th...

Страница 24: ...Loosen the setscrew D and turn the stopper E in the direction of A if the amount of thread is not enough B if the amount of thread is too much 2 Tighten the setscrew D TO ADJUST BOBBIN WINDER The amo...

Страница 25: ...holder 2 Pull out the threader plate unit A To attach 3 Push the threader plate unit A up to snap it with the pin B as shown in Fig I 4 Attach the foot holder To adjust the position of the threader pl...

Страница 26: ...w type 1 Remove the needle plate Remove the two set screws A and the thread cutter unit 2 Remove the snap ring E 3 B to release the link 3 Remove the snap ring E 4 C and slide the link to disengage it...

Страница 27: ...g arm 1 Tighten the 2 setscrews A then tighten the setscrew D To check the auto thread cutter Set the needle bar at the lowest position Insert the pin C into the groove of the cutter driving cam by pu...

Страница 28: ...D at the rightmost position 2 Loosen the setscrew C and turn the cam A to set the the left end of the sliding plate D is in line with the right side of the second feed dog from the right Tighten the...

Страница 29: ...the needle plate 2 Turn the hand wheel toward you until the thread supply control lever comes to its lowest position Check the distance between the upper surface of the bobbin holder and the thread s...

Страница 30: ...k C Setscrew B long Thread take 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 SETTING...

Страница 31: ...s leveled the take up crank D should be at the angle of 12 3 degrees B Play on the declutch piece To reduce the play of the declutch piece loosen the setscrews F and G While pushing the upper shaft de...

Страница 32: ...e lower shaft are as shown below The setting angle of the parts A B and C is the same as D Belt wheel Spring pin D Shield plate Feed cam C Cam B Lower shaft gear Pin Feed lifting cam Cam A X X view Y...

Страница 33: ...wheel D Spring pin E SETTING POSITIONS OF UPPER AND LOWER SHAFTS When the setting mark A on the cam B is exactly at the top the spring pin E is vertically straight and the setting mark C on the belt...

Страница 34: ...from the circuit board A 4 Remove the 2 setscrews A and pull out the driving motor To attach 5 Tighten the 2 setscrews A slightly 6 djust the belt tension and tighten the 2 etscrews A firmly Correct...

Страница 35: ...s If it is not pressed within 3 seconds the machine will return to default setting mode Press the stitch length button 2 Turn the balance wheel toward you slowly with your hand until the needle comes...

Страница 36: ...le lever C 3 Loosen the setscrew A and move the buttonhole lever guide B until the LED shows L Tighten the setscrew A 4 Attach the buttonhole foot R and lower the buttonhole lever 5 Adjust the clearan...

Страница 37: ...easurement is more than 38mm B If the measurement is less than 32mm When the stitch lenght adjusting button is pressed the adjusting screw F comes to the adjusting position Turn the adjusting screw th...

Страница 38: ...s button The LED show FL in one second then UP 3 Remove the face plate and top cover plate refer to page 1 4 When the presser bar is lifted or lowered the ELD shows UP or dn respectively If not loosen...

Страница 39: ...zag width minus button within 3 seconds 2 Press the stitch length plus button twice The LED shows cL in one second then oF 3 Remove the machine base and auto thread cutter cover refer to pages 2 and 3...

Страница 40: ...ws D Adjust the distance to 5mm 3 Tighten the 2 set screws D 4 Attach the belt cover TO ADJUST POSITION OF SOLENOID FOR UPPER SHAFT DECLUTCH DEVICE The distance between the upper surface of the yoke A...

Страница 41: ...page 2 2 Loosen the 2 setscrews D and adjust the distance to 2 5 mm C by moving the setting plate E 3 Tighten the 2 setscrews D 4 Attach the machine base TO ADJUST POSITION OF SOLENOID FOR AUTO THREA...

Страница 42: ...between the yoke A and the snap ring on the plunger B should be 3mm C Setscrews D Yoke A 3 mm C Plunger B 1 Remove the machine base refer to page 2 2 Loosen the 2 setscrews D and adjust the distance t...

Страница 43: ...and raise the presser bar lifter 7 Set the needle bar at the highest position Before using the diagnosis device Check or replace the following part s if nothing happens when the power switch is turned...

Страница 44: ...3 Auto lock button F4 Reverse button Codes of buttons on the circuit board K 01 Bobbin winder button 02 Twin needle button 04 Memory button 05 Stitch length button 06 Zigzag width minus button 07 Zigz...

Страница 45: ...dn Press the clear button to proceed to the next step By pressing the stitch length minus button you can return to the previous step 3 Switch Bobbin winder switch Presser bar lifter switch Auto threa...

Страница 46: ...e clear button to proceed to the next step Correct condition Turn the hand wheel away from you and read the figure if it shows between 414 and 420 Press the clear button to proceed to the next step 4...

Страница 47: ...r button to proceed to the next step Correct condition Press the buttons which correspond to the solenoids 1 Auto thread cutter solenoid Set the needle bar at the lowest position Press the correspondi...

Страница 48: ...epping motor Press the Clear button to proceed to the next step Correct condition 1 When the presser bar is lowered and the foot control is depressed the driving motor runs 2 When the bobbin winding b...

Страница 49: ...g the up down needle position button and lock stitch button at the same time turn the power switch on Press the stitch 16 button twice within 3 seconds If not pressed within 3 seconds machine will be...

Страница 50: ...Check if the setscrew on the lower shaft ring is in line with the projection of the feed lifting cam The setscrew B should be at the position as shown 3 The clearance between the feed lifting cam and...

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