Maybe someone can chime in here, I have a Allis Chalmers D14 with a trip bucket and want to convert the trip bucket to a hydraulic operated bucket, of course the trip buckets have only a one way cylinder to lift the loader when you pull the lever on the steering column to lower the bucket the hydraulics just release without pressure on the cylinder. I have purchased a hydraulic pump to run off the PTO which means there will be constant pressure when it is operating to be set up with a tank operating valves relief valve and filter. How can I operate the one way cylinder with a system under constant pressure, or will I have to purchase 2 new two way cylinders for the bucket.
- Thread starter WMRICH
- Start date
Janicholson
Well-known Member
A bit of confusion. My take on what you ask. The new PTO pump will put out volume but no pressure (it is designed to be used with an open
center hydraulic design. The valving (open center two way type only) will be sending pumped oil through the valve back to the reservoir under
near zero pressure. To run only the bucket with tilt under both directions the hose from the pump will go into the input port. a second hose
will go to the reservoir. One output hose will go to the base of the new bucket cylinder (or cylinders) and the other output to the ram end of
the cylinder. This will give positive control of the bucket tilt.
If you want the loader to have down force, you must replace the existing cylinders with 2 way. and hook them up as above. The valve for that
can be purchased as a stacked valve (2) with both allowing flow to the reservoir when not active. If you only need bucket control, the original
lift circuit will do. Jim
center hydraulic design. The valving (open center two way type only) will be sending pumped oil through the valve back to the reservoir under
near zero pressure. To run only the bucket with tilt under both directions the hose from the pump will go into the input port. a second hose
will go to the reservoir. One output hose will go to the base of the new bucket cylinder (or cylinders) and the other output to the ram end of
the cylinder. This will give positive control of the bucket tilt.
If you want the loader to have down force, you must replace the existing cylinders with 2 way. and hook them up as above. The valve for that
can be purchased as a stacked valve (2) with both allowing flow to the reservoir when not active. If you only need bucket control, the original
lift circuit will do. Jim
Tractorcedric
Member
- Location
- Garland. Utah
Couple things?? I think you are on the right track, I may have a valve you could use. Depending on how you plumb it. I am not an
Allis guy, but just wonder if your PTO continues to run when you push in the clutch to stop your travel. If so then you would have
to shift into neutral and let up on the clutch to raise the loader. If that is the case I would try to mount the pump to drive off
of the front of the crankshaft. Just saying that because I have a CA that I am mounting a mower on. I plan to run the mower with
the PTO, but I can stop my forward travel with the lever that will disengage the right wheel if the mowing gets to tough.
Allis guy, but just wonder if your PTO continues to run when you push in the clutch to stop your travel. If so then you would have
to shift into neutral and let up on the clutch to raise the loader. If that is the case I would try to mount the pump to drive off
of the front of the crankshaft. Just saying that because I have a CA that I am mounting a mower on. I plan to run the mower with
the PTO, but I can stop my forward travel with the lever that will disengage the right wheel if the mowing gets to tough.
Jim.ME
Well-known Member
- Location
- central ME
The D14 will have a Power Director clutch, lever on the right, that he can move to neutral to keep the PTO going, However if he pushes the clutch to shift the PTO stops. If for some reason it has a shuttle (lever on the left side) instead of a Power Director I think, but am not sure, that the PTO turns the wrong way for standard uses.
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