7. ASSEMBLY

7-6. Rotary hook mechanism

Tighten after carrying out the adjustments in “9-15. Bobbin case holder bracket position”.

1.Needle

2.Screw

3.Rotary hook

4.Set screws [2 pcs] (Temporarily tighten)

5.Bobbin case holder position bracket

6.Screw (Temporarily tighten)

7.Feed dog

8.Screws [2 pcs] (Temporarily tighten)

9.Needle plate

10.Flat screws [2 pcs]

11.Auxiliary needle plate

12.Flat screws [2 pcs]

13. Slide plate (8550A)

<13> Knife unit (8560A)

 

(1) Needle plate spacer (8560A)

Tighten after carrying out the adjustments in “9-7. Feed dog forward/back and sideways position”.

Install after carrying out the adjustments in “9-14. Needle and rotary hook timing”.

Tighten after carrying out the adjustments in “9-14. Needle and rotary hook timing”.

1136B

0128B

<For the 8560A >

0129B

Z-8550A, 8560A

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