very simple fill system start up turn wheel both directions all the way to the turn stops couple times turn off leave cap off of reservoir to let air bleed out go drink a coke- beer etc come back start up turn wheel again shut off come back after more coke-beer etc total time about 15 min.
Note : as long there is no damage to p/s pump - rackin-pinon system you be fine!
Been doing this to all our police cars-trucks for over 10 yrs works every time