Oh boy, it's so satisfying to watch an old laptop getting cleaned inside out! I have an Asus G751J, it's such an absolute nightmare trying to take it apart for cleaning, I watched some youtube videos but gave up on trying since I'll most likely break it if I try.
Most likely you wont be able yo do it due to different connectors and size . The laptop i had was 15.6 inches were the z40-70 is 14 inch if im not wrong.