Oil & Fuel Changing hydraulic fluid on JD 5520?

[martins14700]

I am way over-due on a hydraulic oil change for my jd 5520. I've been using it to excavate for my new house and probably got a little carried away, trying to meet deadlines for my subs. The hydraulics are getting sluggish and a bit noisy. What all is involved in changing the hydraulic fluid?

 

[kennyd]

Do you have the manual?

Basically, drain old fluid-change filter-clean suction screen the refill.