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Husqvarna huskylock 650ED 660CD 680CD service manual

Download Husqvarna huskylock 650ED 660CD 680CD service manual



Husqvarna huskylock 650ED 660CD 680CD service manual

This is a service manual for service and adjustment of the overlock machine model:

Huskylock 650ED, 660 CD, 680CD,1000, 1000L, 1002LCD

I. HOW TO USE THIS MANUAL …………………………………………… 4
II. FAULT-FINDING CHART (MECHANISM) ……………………………. 5
III. HOW TO REMOVE OUTER PARTS …………………………………. 7
1. Removal of the sew-light cover, thread rectifier body ……………….. 7
2. Removal of the rear cover ………………………………………………………… 7
3. Removal of the panel assembly ………………………………………………… 8
4. Removal of the material plate cover B, material plate front
cover assembly and control cover plate ………………………………………. 8
5. Removal of the front cover assembly ……………………………………….. 9
6. Removal of the belt cover …………………………………………………………. 9
7. Removal of the inner cover……………………………………………………… 10
IV. HOW TO ADJUST (MECHANISM) ……………………… 11
1. Adjusting the height of the needle …………………………………………… 11
2. Adjusting the position of the underlooper ………………………………. 11
3. Adjusting the timing of the underlooper ………………………………….. 12
4. Adjusting the timing of the overlooper ………………………. 13
5. Adjusting the position of the double chain
looper ………………………………………………. 14
6. Adjusting the timing of the double
chain looper …………………………………….. 15
7. Adjusting the height of the feed dog ……………………………………….. 16
8. Adjusting the feed timing ………………………………………………………… 16
9. Adjusting the height of the presser foot ………………………………….. 17
10. Adjusting the position of the over looper thread
take-up lever, underlooper thread take-up lever and
double chain looper thread take-up ……………………………………………. 17
11. Adjusting the position of thread take-up ……………………………….. 18
12. Thread tension adjustment …………………………………………………… 18
13. Adjusting the position of the movable stitch tongue ……………… 19
14. Adjusting the position of the lower blade holder …………………… 19
15. Replacing the blades …………………………………………………………….. 20
16. Adjustment and replacement of the timing belt ……………………… 20
17. Adjusting the position of the presser foot sensor …………………. 21
19. Adjusting the clearance of the looper change
knob …………………………………………………. 22
V. FAULT AND CHECK POINTS (ELECTRONICS)………………… 23
Setting the language display and functional
range ………………………… 27
VI. HOW TO CHANGE THE ELECTRONIC PARTS……………….. 28
1. Connectors table…………………………………………………………………….. 28
2. Replacing the Main P.C. Board assembly ………………………………………………… 28
3. Main P.C. Board assembly …………………………………………………………….. 29
4. Power P.C. Board assembly ……………………………. 30
5. Removal of the LCD P.C. Board assembly and key P.C.
Board assembly ……….. 30
6. LCD P.C. Board assembly ……………………………………………………………………………….. 31
8. Replacing the light bulb ………………………………………………………….. 31
7. Key P.C. Board assembly ……………………………………………………………………………….. 31

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