wheels and more on airwolf .50 from century

[DaggyStyle]

I've received my brand new airwolf .50 fuse from centory with the retracts.
how the manual shows that the basla made wheel should be out side but it is glued into the chopper (came like that), I dont thing trying to separate it from the body will be an good idea, I was wondering, if I leave it like this, will I have problems reaching the screws?
next, the manual shows how it install the wheels but the doesnt shows how it attach the actual gear to the pivot it self, again I think that I should glue it but I've seen pics of the same chopper that others built an there on diffretent stages for the build process, sometimes the gear is attached to the pivot and sometimes it isn't, it there any special screw that I'm missing?

lastly, I'm planning to make the side arm doors movable with booms, has anyone tried it?

thanks