Camera

I took it apart to clean it. I'm at a part now where the man says," rotate this part 'till you can see the pins lining up". I cannot even see the part to rotate. So if I cannot disassemble the lenses then its all been for naught. I've given up for today. Hopefully I can finish the cleaning and put it together again. I have successfully cleaned the sensor before and replaced a back screen. But maybe I have bitten off more than I can chew this time. The lenses have masses of dust in then.