ok so I have a leak at the wheel motors leaking into chain case I had slow up down movement and checked the chain case plug in front and excess oil came out so added some hydro fluid to system and works now but it obviously is leaking is there a tear down post somewhere on how to remove and rebuild the drive motors also where is the dipstick for the hydro fluid its not in the cap but theres another cap towards middle of machine on the hydro tank though I haven't fipped the cab up yet so cant get to that one