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Chapter 8 Standard Adjustment
BES-961BC • BES-1261BC
144
q
Lower
shaft
2. Replacing (Attaching) Rotary Hook
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. Adjust-
ment of Timing Between Needle and Rotary Hook
(Page 146)" and adjust the timing.
Cutting
section