Chapter 10 Adjustment
2. Replacing (Attaching) Rotary Hook
Lower shaft
q
Cutting section
1.Turn the power switch off.
2.Tighten the screw q of the rotary hook cutting section to fit to that of the lower shaft w.
3.When mounting, press it inward until it stops.
Note) After replacing rotary hooks, refer to "4. Ad- justment of Timing Between Needle and Ro- tary Hook (Page 238)" and adjust the timing.
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