

I think you might be right Gaz, seems to make sense. Didn't realise they did the castellated nut and also normal nut with a castellated cover.gaz_powell wrote:some models use a castellated nut on the front and some don't - depends what it is ?
assuming the assembly is correct behind, the nut you have is not correct - if you put a split pin through it will be useless.
it appears that you need a normal deep nut, a castellated cover and split pin.