I have a Kubota 5030 and am looking to buy a used wallenstein pto chipper. I have an auxiliary hydraulic at the rear of the tractor. The owners manual says i need a control with a detent position which my controls don't have. I also have hydraulics for a backhoe that has no control, just an in and out port which are coupled together when the Hoe isn't on the tractor. How can I operate the chipper with these choices? Anyone have the chipper that can give a quick review? Thanks for the help.