Husqvarna Huskylock S21 S25 Viking Service Manual Download **

This is the electronic download version of the Husqvarna Huskylock S21 S25 viking service manual download as pdf.
How to fix your Huskylock sewing machine with the help of this pdf manual.
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This is a service and adjustment manual for the sewing machine / overlock as pdf file
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Directions for use 4
ESD . 4

Manual size: 5.53 MB
Years: all years!

Manual Language: English
Manual format: pdf - manual / ebook, zip
Printable: Yes
Platform: Windows and MAC
Requirements: Adobe PDF Reader & WinZip
Delivery: Download link will appear on the checkout page after your payment is complete.
Compatible: All Versions of Windows & Mac


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Service tools 5
Removing the covers 6
Basic position of eccentrics 8
1. Presser bar height 9
2. Needle bar height and parallelism 10
3. Needle timing 11
4. Height of the lower looper .. 12
5. Clearance between lower looper the "A" needle. ... 13
6. Looper to needle clearance ..... 14
7. Timing of the lower looper ... 15
8 . Clearance between lower looper needle guard and "A", "B" needles . 16
9. Upper looper position to the left needle .... 17
10. Timing of the upper looper ..... 18
11. Clearance between the upper and lower loopers ... 19
12. Height of the chain stitch looper ... 20
13. Clearance between chain stitch looper the Left needle C ..21
14. Chain stitch looper to needle clearance ..22
15. Ellipsoidal movement of chain stitch. ..23
16. Chain stitch needle guard to needle clearance ..24
17. Feed Timing... 25
18. Feed dog height... 26
19. Differential feed - Huskylock S21 ..27
20. Lower Knife ... 28
21. Timing of the upper knife ..29
22. Upper Knife ... 30
23. Setting the seam width adjusting ..31
24. Set the Lower Looper lower thread guide..2
25. Set the Upper Looper lower thread guide ..33
26. Set the Upper Looper upper thread guide ..34
27. Set the Chain stitch loopers thread take up. ... 35
28. Set the Chain stitch Looper thread guide .36
28. Thread tension - Huskylock S21 ... 37
28. Thread tension, Basic - Huskylock S25 .38
Service program for Huskylock S25 .39
Circuit board - Circuit diagram 42
Main PC Board - in the front cover . 42
Power PC Board - in machine cover 43
Trouble shooting chart - Display/screen problem 44

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