Chapter 8 Adjustment
2. Replacing (Attaching) Rotary Hook
q
Cutting
section
152
1. Turn the power switch off.
2. Tighten the screw q of the rotary hook
cutting section to fit to that of the lower
Lower
shaft w.
shaft
3. When mounting, press it inward until it
stops.
Note) After replacing rotary hooks, refer to "4. Ad-
BES-963BC • BES-1263BC
justment of Timing Between Needle and Ro-
tary Hook (Page 154)" and adjust the timing.