-41-
10.
INNER ROTARY HOOK ROTATION PREVENTION BRACKET POSITION
STANDARD
The hanging distance for the inner rotary hook rotation prevention bracket spring and the inner rotary hook
projection section should be 1.6-1.8 mm.
ADJUSTMENT
1.
Loosen the setscrew for the inner rotary hook rotation prevention bracket.
2.
Adjust the forward-back position of the inner rotary hook rotation prevention bracket so that the hanging
difference for the inner rotary hook rotation prevention bracket spring and inner rotary hook projection
section is 1.6-1.8 mm.
Note: Adjust so that the inner rotary hook A surface is perpendicular to the feed direction.
3.
Tighten the screw securing the inner rotary hook rotation prevention bracket.
Inner rotary hook rotation
prevention bracket
1.6-1.8 mm
Side A
