+ 1 on that; lightly grease the cotters before driving them into the crank arms, however do not grease square tapered axles if overhauling square tapered bottom brackets, the crank arm and the tapered section of the axle should be clean and dry. During the 70's we would kill for Campagnolo grease and after use keep the empty tubs filled with auto part store white lithium grease, and nightly would dream of owning some Campy tools!!!