Is there any tips or tricks that I need to be aware of when replacing these 3 hydraulic couplers? I hate to waste all the hydraulic fluid that is in the hoses feeding these couplers. Is it possible to lift the arms up in the air so the fittings are pointing straight up and use a ladder to change these fittings so I don't loose so much fluid or is that a stupid idea? Thank you all for the help!
That's how I always do it
You can also pull a vacuum on hydraulic tank.