Hi guys, i have a problem with hydraulics , we think we know what it is but dont know how to sort it , i purchased a 6718 while ago , have done steering and now moving to hydraulics , when hydraulics lift to the top as soon as you loose leaver go they drop about 4inches then stop , yes i think draft is set wrong the ? is how do i change it, the leverthat moves between three position it seazed solid and wont move , to get that lever free do i need to remove the whole top of hydraulics ?