Janome Mylock 634D Скачать руководство пользователя страница 5 | Manualshive

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TO CHANGE THE TENSION COVER UNIT

To remove:

1. Remove face plate unit and belt cover unit.

2. Remove setscrews (A & B), and remove tension cover unit (C).

To attach:

3. Put rib (D) in front panel unit (E), and tighten the setscrews (A & B).

4. Attached the belt cover unit and face plate unit.

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Содержание Mylock 634D

Страница 1: ...SERVICING MANUAL MODEL 634D...

Страница 2: ...UB THREAD TENSION DIAL 13 NEEDLE AND THE UPPER KNIFE TIMING 14 STITCH LENGTH 15 CLEARANCE BETWEEN NEEDLE AND LOWER LOOPER NEEDLE GUARDS 16 CLEARANCE BETWEEN NEEDLE AND FIXED NEEDLE GUARD 17 POSITION O...

Страница 3: ...GE THE TOP COVER UNIT To remove 1 Loosen two screws A through hole of tension thread guide plate B and remove the top cover C To attach 2 Put the ribs D in tension cover unit E and tighten the setscre...

Страница 4: ...NIT To remove 1 Open the looper cover unit A 2 Loosen set screw B and remove the setscrew C 3 Remove the belt cover unit D To attach 4 Put the ribs E F in front panel unit G and tension cover unit H a...

Страница 5: ...remove 1 Remove face plate unit and belt cover unit 2 Remove setscrews A B and remove tension cover unit C To attach 3 Put rib D in front panel unit E and tighten the setscrews A B 4 Attached the bel...

Страница 6: ...heel in counterclock wise 3 Remove set screws A B C D E and remove the front panel unit G To attach 4 Attach the front panel unit G and tighten setscrews A B C D E To set the thread take up lever posi...

Страница 7: ...GE THE SIDE COVER UNIT To remove 1 Loosen setscrew A and remove the side cover unit B To attach 2 Fit the U groove C in the side cover unit B between the setscrew A and set plate D 3 Tighten the setsc...

Страница 8: ...ge screws E and remove the base cushions F 2 Remove the machine base G To attach 3 Attach the machine base G and tighten the screws A B C D 4 Attach the base cushions F washers H I J and tighten the h...

Страница 9: ...G and pull out the cord connectors A B C D To attach 3 Insert the cord connectors A B C D as shown below Connectors A Blue for motor B Brown for motor C Brown for lamp socket D Blue for lamp socket 4...

Страница 10: ...at the highest position To adjust 1 Remove the face plate unit 2 Turn the balance wheel toward you with your hand and set the needle bar C at the highest position 3 Loosen the setscrew A to adjust th...

Страница 11: ...ser bar lifter D is raised To adjust 1 Remove the face plate unit 2 Remove the set screws A to move the lamp socket unit E 3 Raise the presser bar lifter D and loosen the setscrew B Then adjust the pr...

Страница 12: ...ub feed dog screws D 4 Push the main feed dog straight upward E and adjust the distance between the surface of needle plate and bottom of presser foot then tighten the setscrews 2 screws 5 When the to...

Страница 13: ...ts downward motion by turning the balance wheel 6 Lower the presser foot and loose the two screws F and adjust the position of the feed cam S while aiming the guide line T Turn the feed cam to the dir...

Страница 14: ...ger position is set at R position and remove the left needle and thread and adjust the sub thread tension dial as follows 1 When the lower looper thread tension is loose turn the adjusting screw E to...

Страница 15: ...r knife timing Turn the upper knife drive cam G to the direction of D when the upper knife timing is delayed Turn the upper knife drive cam G to the direction of E when the upper knife timing is advan...

Страница 16: ...l D at 1 0 2 Remove the face plate unit belt cover unit tension cover unit and front panel unit 3 If the actual stitch length is larger than 3 0 mm turn the adjusting screw E in the direction of A If...

Страница 17: ...en the screw D and move the needle bar to the direction of E or F to get proper clearance between both needle and lower looper G Be careful not to change the needle bar height 5 Recheck the clearance...

Страница 18: ...st 1 Remove the foot and the needle plate and lower the needle to its lowest position 2 Loosen the setscrew A and adjust the position of the fixed needle guard C When needle position setting knob is s...

Страница 19: ...e level as the tip pin of the needle plate D To adjust 1 Remove the presser foot 2 Set the needle plate setting knob E at the guide line S on needle plate 3 Loosen 2 setscrews A and move chaining off...

Страница 20: ...wheel toward you with your hand to bring the needle C 1 4 to 1 8 mm from its lowest position Loosen the hexagon bolt D just enough to move the lower looper driving arm E and move it until the tip of...

Страница 21: ...oper shaft guide D and bottom of upper looper A The distance should be 1 6 to 1 8 mm E when the upper looper A is at the lowest position as show below 4 Tighten the hexagon bolt C Be careful not to ti...

Страница 22: ...oper timing and the position of upper looper 2 Remove the machine base 3 Loosen the two setscrews F and adjust the timing by turning the upper looper drive cam G in the direction of A If the timing of...

Страница 23: ...preader holding plate F 2 Turn the balance wheel toward you with your hand to bring the loopers as shown in B 3 Loosen the setscrew G and adjust the clearance by moving the upper looper H to the back...

Страница 24: ...n the left 0 2 to 0 05 mm at the needle on the right To adjust 1 Turn the balance wheel toward you with your hand to bring the needle just behind the upper looper A in downward travel 2 Loosen the set...

Страница 25: ...of upper knife should be 0 8 to 1 5 mm D below the edge of lower knife To adjust 1 Before proceeding with this adjustment check the upper knife timing 2 Loosen the 2 setscrews B and adjust the lower...

Страница 26: ...read guide D so that the hole of thread guide E is in line with the groove of lower looper G as shown in F Looper Thread Guide Lower Loosen the setscrew B and set so that the bottom side of the looper...

Страница 27: ...ht 60 g or more Upper looper 55 g or more Lower looper 120 g or more To adjust 1 Remove the top cover unit 2 Match the scale 3 on the thread tension dial with the notch in the thread tension regulatin...

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