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16
17
104 72 57-26
104 72 57-26
12. The height of the hook
Is checked between the bobbin case and the case holder - only Rose
Check
The distance between the bobbin case and the case holder should
be 0.5
+ 0.1
-0,05
mm.
The check is carried out at the tightest spot between the bobbin case and the case
holder. Check at the marked positions according to fig. 1.
Adjustment
1.Loosen screw (A).
2.The gap between the hook and its cover can now be adjusted by turning the stud (C)
right or left.
- To the right, the gap becomes larger.
- To the left, the gap becomes smaller.
3.Push down the hook shaft (B) and tighten screw (A).
N.B.: This setting affects:
1. The play of the hook gear.
13. The timing of the hook and the needle
14. The needle height
Check with distance gauge 412 38 85-01.