Is there a decimal point missing there?
My rig weighs about fifty kilos hehe and thats more than enough, your case doesn't look big enough to weigh that :P
As for loop order, I would have the pump straight after the res,
it makes life easier priming the pump and means the pump lives longer, its job is easier to do
and for tilting etc to bleed, just roll the Pc on one edge, rather than lifting it, I used to lay mine on its side for ten minutes and run, then the back, then normal and alternate that to ensure all air was out, I can't do that anymore though