hi we recently bought a 1988 cub crusier pop top camper trailer (australia) and want to pick peoples brains on mods and general info never owned a camper but have camped plenty in the past ( sorry no pic's as of yet ) .... we have removed canvas for repairs a had some rust at rear that ive attacked and repaired as well as some flooring but interested in converting from manual pop top to wind up how do i go about this is this an easy thing to do ?