PWB
ArboristSite Guru
slightly off topic, shepard sterring box on a 1960 champion road grader. Have had trouble for years , traced it to a poor pump. Should deadhead the steering at about 1100 pounds, couldn't get it past about 300 on a good day. worked okay hot, couldn't steer it cold.
Mounted another pump I had on the shelf, deadhead pressure one way was about 900 lbs, the other about 1500. Worked great in the yard.
Went to clean up a laneway for a neighbor, got almost there , turned left and split the casting on the box for about 6 inches!! Come to find out it's a common problem.
Took the driveshaft off the pump and drove it home on manual. Can't run it that way, WAAY too hard on the arms.
Was on the phone, box is scarce as hen's teeth. 300 a ton scrap a few years ago cleaned up a lot parts.
Going to attempt to put the steering off a combine on, with the actuator and wheel off a 300 massey, and whatever cylinder I can find that that will steer it. don't know if I need a bypass ahead of the actuator to control pressures? Steering pump on the grader is completly separate from the rest of the hydralics, that is, it shares a resovoir but runs it's own pump. anybody know what kind of pressure the massey actuator will handle? I'm assuming it's a flow through unit, but I don't want to run so much volume through it that I wreck it.
Also not sure how big a cylinder I need. THe newer graders at work are set up this way, and I'll check them on Monday to see what they run. I think there's a pair of 2" cylinders on the one I usually run.
Anybody done something similar? Any Advice?
Mounted another pump I had on the shelf, deadhead pressure one way was about 900 lbs, the other about 1500. Worked great in the yard.
Went to clean up a laneway for a neighbor, got almost there , turned left and split the casting on the box for about 6 inches!! Come to find out it's a common problem.
Took the driveshaft off the pump and drove it home on manual. Can't run it that way, WAAY too hard on the arms.
Was on the phone, box is scarce as hen's teeth. 300 a ton scrap a few years ago cleaned up a lot parts.
Going to attempt to put the steering off a combine on, with the actuator and wheel off a 300 massey, and whatever cylinder I can find that that will steer it. don't know if I need a bypass ahead of the actuator to control pressures? Steering pump on the grader is completly separate from the rest of the hydralics, that is, it shares a resovoir but runs it's own pump. anybody know what kind of pressure the massey actuator will handle? I'm assuming it's a flow through unit, but I don't want to run so much volume through it that I wreck it.
Also not sure how big a cylinder I need. THe newer graders at work are set up this way, and I'll check them on Monday to see what they run. I think there's a pair of 2" cylinders on the one I usually run.
Anybody done something similar? Any Advice?
