Originally Posted by WTBScrambler
Why does the orange clip need to be removed from the tank?
It doesn't, see post 32 for a close-up look at these fittings. If you have fat fingers it might be more difficult to operate the two release buttons though, in which case removal of the safety clip will help. On cars, where there's a lot more room, mechanics often use special pliers for these quick-release fittings: