Bmw4u

Denso PPS-GS240 , it was sold to me like that, with a shaft leak, after refill with dye, show me a dot on the screw, (U/V ligth ) not visible on the pictures but is a bolt or nut, how to open to replace the seal
IS A CLUTCHLESS compressor ,
anyone knows how to open to replace the seal,
already replace the o rings low and high port lines
pictures here so you can have an idea