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MF 135 Power Steering

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Keith W.

08-31-2000 17:49:55




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The MF 135 I bought this Spring has power steering, but it wasn't working when I bought it. With winter soon upon us, and considering I expect to move considerable snow around with the loader, I figured I ought to get it in working order. How do I go about troubleshooting it to determine whether I need to replace the power steering pump, etc or not ? Are there some common things I should check first ? I unscrewed the plug in the resevoir mounted on the front of the engine and I can see fluid in it about 1 inch below the hole. I'm not a mechanic, but I can follow instructions and tear up my knuckles as good as anyone else I guess...Thanks for any pointers.

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MarkNOhio

09-01-2000 22:07:42




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 Re: MF 135 Power Steering in reply to Keith W., 08-31-2000 17:49:55  
Kieth, I had the exact same problem with my recently purchased 135 diesel this spring. My problem turned out to be the power steering cylinder which is bolted to the steering gear located sort of underneath the battery. The internal nut holding the piston to the piston rod/rack had come off/broken and badly scored the cylinder. I'm not saying that this is your problem, I think you should do some checking first. The resevoir should be full of fluid although I don't think that being only an inch or so down would keep it from working. Fill it up with power steering fluid and see if that helps. You might also try starting the engine, loosening the pressure line on the pump, then turning the steering wheel to see if it squirts fluid out of the fitting. I THINK the pressure line is the higher of the 2 lines on the pump. I'd go out and check for you but it's after midnight and pouring down rain here. There's also a filter located inside the power steering pump that could be clogged. Doubtful, but a possibilty. To check it the pump has to be removed from the engine and the resevoir removed. It'd be a good idea to first get a new O ring seal for the resevoir and a new filter from your dealer if you decide to check it. If I remember correctly they were less than $10 for both. Feel free to e-mail me if you have any other questions. I can look up where I ordered my parts from and maybe give you a few hints if you have to change your cylinder. The I&T manual has some good information also. I can say that when you get it working that it's GREAT. I have a 6 foot finish mower on mine to keep our 5+ acre yard mowed and after using it a few times without the power steering working I wonder how I did without it!

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Keith W.

09-02-2000 15:45:40




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 Re: Re: MF 135 Power Steering in reply to MarkNOhio, 09-01-2000 22:07:42  
I filled her up and disconnected the fitting. I tried holding my thumb on it and cranking it over and it pumped with a lot of pressure (way more than I could possiblly hold back), so I assume the pump must be OK. It must be the American version of the 135, because there are no cylinders on the front axles. The fluid lines attach to a housing that the steering column appears to run through. Is this the cylinder ? Are these a tough job to work on/replace ?

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MarkNOhio

09-03-2000 19:11:48




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 Re: Re: Re: MF 135 Power Steering in reply to Keith W., 09-02-2000 15:45:40  
Keith, It sounds like your pump is probably good. Not exactly how I would have checked it, but for now lets assume that it's probably working. The hoses from the pump actually run to the power steering control valve. That's what you saw that looks like the steering column runs through it.....which it does. The steering cylinder is located ahead of that and lower....on the front of the steering gearbox. I'm e-mailing you some pictures that might help. Look at them and if you're still having problems let me know.

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CHRIS-MF35

09-03-2000 14:03:20




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 Re: Re: Re: MF 135 Power Steering in reply to Keith W., 09-02-2000 15:45:40  
NEVER try to hold pressure withyour body!!!!! it can shoot into your bloodstream and KILL. glad you made it trough this round of russian rullette. please do not try again. good luck with your power steering, wish mine had it.



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Bob

08-31-2000 19:48:59




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 Re: MF 135 Power Steering in reply to Keith W., 08-31-2000 17:49:55  
Do you have a USA or a UK version of the 135? They have very different PS systems.



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Keith W.

09-01-2000 05:18:40




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 Re: Re: MF 135 Power Steering in reply to Bob, 08-31-2000 19:48:59  
How do I tell ? It has a 3 cylinder Perkins gas engine if that means anything.



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Jack in NB

09-01-2000 09:13:42




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 Re: Re: Re: MF 135 Power Steering in reply to Keith W., 09-01-2000 05:18:40  
The UK version has two cylinders attached to the front axle. The US has a ram integrated with the steering box.

And I'm looking for a replacement for the UK cyl!



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