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Procedures of disassembling/assembling
1) Remove knife return spring 1 from spring bracket 2.
2) Loosen and remove nut 4 of knife return stopper 3.
3) Screw in knife return stopper 3 to the lower side and draw it out.
* For the assembling procedure, perform it by reversing the aforementioned steps.
(For the position of the stopper, refer to 3.-(5) Adjusting the stroke and the initial position of the
cloth cutting knife.)