Husqvarna mechanical sewing machine service manual

This is a comprehensive manual covering all area needed for troubleshooting and servicing of sewing machine model:

Husqvarna 205, Husqvarna 210, Husqvarna 215, Husqvarna 225, Husqvarna 230, Husqvarna 250, Husqvarna 310, Husqvarna 320, Husqvarna 330, Husqvarna Viking 315, Husqvarna Viking 325, Husqvarna Viking 335, Husqvarna Viking Anna, Husqvarna Viking Emma, Husqvarna Viking Juliet, Husqvarna Viking Lena, Husqvarna Viking Oscar, Husqvarna Viking Prelude 340, Husqvarna Viking Prelude 350, Husqvarna Viking Prelude 360, Husqvarna Viking Prelude 370, Husqvarna Viking Romeo, Husqvarna Viking Sarah, Husqvarna Viking Scandinavia 100, Husqvarna Viking Sophia

Service tools
SETTING INSTRUCTIONS
1. The play of the hook gear
2. Setting the hook in relation to the feeding eccentric (after feeding). Version 1 - one pin
2. Setting the hook in relation to the feeding eccentric (after feeding). Version 2 - two pins
3. Belt tension, arm/lower shaft belt
4. Belt tension, motor belt
5. The turning movement of the needle in zig-zag
6. The play of the worm gear
7. Setting the feed dog in relation to the presser foot
8. The position of the zig-zag cam follower in relation to the cam set
9. The centre position of the needle in straight stitching
10. Stitch width limitation/lift height
11. The gap between the needle and the hook
12. The timing of the hook in relation to the needle
13. Needle height
14. Setting the stitch plate (the hook cover) in relation to the needle in the feeding direction
15. The sideways setting of the stitch plate(the hook cover) in relation to the feed dog
16. The height of the hook
17. The lifting height of the presser foot and its parallelity to the stitch plate
18. Feed dog height
Buttonhole setting, button type 1
19. The bar tack position of the buttonhole
20,21 Buttonhole balance, the colums
Buttonhole setting, button type 2
20. Course adjustment of the buttonhole
19. The bar tack position of the buttonhole
21. Fine adjustment of the buttonhole
Buttonhole setting, button type 3
20. Course adjustment of the buttonhole
19. The bar tack position of the buttonhole
21. Fine adjustment of the buttonhole
22. Stitch length balance - pattern stitches
23. Lower thread tension (thread tension of the bobbin basket)
24. Upper thread tension.
25. Setting the thread take-up spring
26. Max. speed/smooth-running
27. Feed dog lowering
Rear cover
Upper rear cover - 300 series
Lower rear corner - 300 series
Front cover
Sewing head
Circuit board unit
Pattern mechanism
The parts of the pattern mechanism
Feeding unit
Bobbin device
Hook compl