This guy does it sligtly different than I do, but its close enough. It really is that simple.
Gotta think, How do they assemble these at the factory? Blowers would Be 1500$ if there was 2 hours of labor loading a recoil.
You can also use a piston ring tool to install it, but the tool has to be modified for the "hook". I've found zip ties to be the easiest.
They are great for Briggs valves too.