Ok, Im not sure what they used but will assume they're probably Rexroth... I'd start by checking for power to the solenoids on the valves.... so check with a volt meter for power on the solenoid that shouldn't be working when you operate another function. It should be dead unless you send power to it. Like I said, I have no experience with that tractor specifically... so have no idea what controllers are used. If it's a simple switch arrangement sending power direct to a solenoid I'd be looking for wires chaffed together or bad grounds in the relay controls. Those coils should draw a fair amount of current at the valves, so it's unlikely that casual current in the load circuit will activate them. If it has a circuit board controlling everything that could be the source of the problem. Check grounds and connectors.
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Today's Featured Article - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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