Recently my GPX30 Clark started leaking oil from the tilt cylinders. Leaking enough now to get them resealed. Yes I need to power wash the areas first before I remove them. The front pins look easy enough to remove. But I am not familiar with the removal of the rear pins. They have a large hex on them with a threaded hole in the center. Can anyone chime in on how these are removed before I dig into this?

Thanks, James