Pre-install the rotary pin of the knife set into the pin hole of the knife set. When installing, the rotary pin needs to be placed in the middle and symmetrical on both sides
Pre assemble the rotary pin of the tool sleeve into the pin hole of the tool sleeve group. During installation, the rotary pin should be placed in the center and symmetrical on both sides
Install the rotary pin of the pre-cutter sleeve into the pin hole of the cutter sleeve group. During installation, the rotary pin should be centered symmetrically on both sides.