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D17 Series I Power Steering Question |
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jtesdall
Bronze Level Joined: 07 Nov 2009 Location: Boone, Iowa Points: 30 |
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Posted: 07 Nov 2009 at 2:20pm |
I just replaced the engine on a 59 Series 1 D17. With help of people on the board I found a great Gleaner E engine and it runs awesome. But the power steering doesn't work. I very far from an Allis expert and really don't know how this work, I just bolted it back together and filled it with fluid. It doesn't seem to do anything but foam. It has been up and running now for a month or so and I was hoping it would just work itself into working.
This Power Steering pump is under the distributor behind the governor assembly. I can't see a way to bleed it or anything. Can anyone help me with what to look for or anything I can try to get this to go. It worked fine on the old engine. |
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Brian Jasper co. Ia
Orange Level Joined: 11 Sep 2009 Location: Prairie City Ia Points: 10508 |
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Foaming usually indicates pump cavitation. The fluid level could be low, or you may have an air leak on the inlet side of the pump.
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"Any man who thinks he can be happy and prosperous by letting the government take care of him better take a closer look at the American Indian." Henry Ford
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jtesdall
Bronze Level Joined: 07 Nov 2009 Location: Boone, Iowa Points: 30 |
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Thanks Brian. I will check all hoses again for leaks. I have filled the front support with fluid.
When reassembling is there anything special to be done or just bolt it back together and fill with fluid in the front support? I didn't see a way to fill the pump itself. |
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Brian Jasper co. Ia
Orange Level Joined: 11 Sep 2009 Location: Prairie City Ia Points: 10508 |
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Not that I know of. I'd have to look in the shop manual but the fluid level is something like an inch and a half above the gears in the ft support. Another thought is remove the high pressure hose and spin the pump by hand or with a drill to pull the fluid up to the pump without sending a bunch of air through the control valve.
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"Any man who thinks he can be happy and prosperous by letting the government take care of him better take a closer look at the American Indian." Henry Ford
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jtesdall
Bronze Level Joined: 07 Nov 2009 Location: Boone, Iowa Points: 30 |
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My shop manual did say anything except to listen for noise and adjust if necessary. There wasn't so I didn't do anything else.
I will try your idea but I will have to turn the engine over, my pump is driven internally. |
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D17JIM
Orange Level Joined: 14 Sep 2009 Points: 340 |
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I have had this same problem on a 1962 D17 Gas for 3 years. I have tried every fluid suggested and still have the problem. I keep it filled just below the top of the gear and it seems to quit. I know it calls for above the gears but It allways foams over if I do. If you find the answer let us know what it is. Jim
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jtesdall
Bronze Level Joined: 07 Nov 2009 Location: Boone, Iowa Points: 30 |
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I have examined each line and tightened them all. My manual does not give me detail to show me which line is which. I have loosened the two hard lines coming from the pump on the low side and run the engine to see if I get a high pressure squirt from either. The line that goes into the worm gear drips to maybe a fast stream but no squirt. The line going into the front support just above the Ram doesn't have any fluid going through it. This indicates to me neither is high pressure?? The other larger line has a low pressure hose and goes into the center of the front support, this would appear to be the return to me.
I am baffled at this point. I am close to tearing the pump off or just running it this winter with manual steering. If I fill the front support with fluid it foams out and looks like a dirty milk. Air almost comes blowing out. If I plug the hole with my finger for a few seconds the air pressure really builds and whistles out. Also, the round plate/cap on the back of the RAM rotates. I have to hold the large nut on this cap to loosen or tighten the hydraulic line going into it. Is this supposed to be loose? I couldn't get it to tighten, it just rotates freely. Any more ideas? Anyone have a detail of this pump so I at least understand how it works and what line is what? |
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Dave H (NE)
Silver Level Joined: 11 Sep 2009 Location: Western NE Points: 288 |
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air in the steering is from a suction leak, can be leaking seals in the pump, loose or bad seal at the fittings or a bad suction hose from the pump to the front support. check the hose and fittings first.
the large line to the front support is the suction line . the line to the valve it the pressure line, oil should flow when open ended and engine running . the small line is the relief valve return line. the cap on the cylinder will turn it is held in with a snap ring |
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jtesdall
Bronze Level Joined: 07 Nov 2009 Location: Boone, Iowa Points: 30 |
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Hi Dave, Thank you very very much for the reply. I think you may have lead me to the problem. You said the large line (that has a low pressure rubber hose is the middle) and goes to the center of the support is the suction, right? If so I pulled the connection at the support apart yesterday. If this is the suction line then I assume it should have some sort of tube that goes down into the support into the fluid?? It does not, it just has an adapter into the top of the support. I saw this yesterday and assumed it was the return since there was no tube into the fluid to suck. It would just suck air now.
Does it sound like I have found the problem to you? I must not have replaced this tube, hopefully it is in my bin of left over parts. ;0) |
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Dave H (NE)
Silver Level Joined: 11 Sep 2009 Location: Western NE Points: 288 |
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sounds like you have found the problem, good luck
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jtesdall
Bronze Level Joined: 07 Nov 2009 Location: Boone, Iowa Points: 30 |
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Thanks Dave, that fixed it!! I embarrassed to say it wasn't the suction tube into the front support but where it connected to the pump. I thought this was tightened, but it was so hard to get at I missed that it wasn't tight. Once I double checked the suction line into the support I found it. Thanks again.
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