Pay Attention to the forums...they have a thread on the exact topic you're talking about.....
http://www.joedios.com/forums/showthread.php?t=1613
What's wrong with this V3 or Color Change...? Do you mean the Shadow Ninja version? Don't take it apart unless the "O"-Ring goes out....because you'll have to glue it back together once you get it apart and the glue tends to cause a slight gap making the Arms loose once you get it back together!