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Minneapolis Moline Tractors Discussion Forum
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Re: 4Star Power Steering Problem

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Alan K

12-12-2012 08:12:32
208.83.191.64



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Just an odd thought...have you jacked up the front end and checked the spindles for movement? I would think a person should be able to leave the lines loose or off by the valve for the oil to bleed out so you arent working against the oil, or take the tie rods off individually and check each side separately, that might be even better. That is all I can think of at the moment. I have one M5 with "GPS"....(good power steering) the other M5 is a different story....nuff said.

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Curt Cooke

12-12-2012 08:15:27
64.186.50.66



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 Re: 4Star Power Steering Problem in reply to Alan K, 12-12-2012 08:12:32  
Been through that Alan, and the piston seals. Blocked up it steers fine. It steers almost OK when driving it, just steers slow



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Alan K

12-12-2012 08:50:47
208.83.191.64



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 Re: 4Star Power Steering Problem in reply to Curt Cooke, 12-12-2012 08:15:27  
It gets "interesting" trying to figure it out doesnt it. I did have a problem on my M5 with some piece of debris in the valve in the pump that slowed mine down, but mine steered slow in both directions. Ill keep thinking...



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Curt Cooke

12-12-2012 08:56:14
64.186.50.66



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 Re: 4Star Power Steering Problem in reply to Alan K, 12-12-2012 08:50:47  
Thanks. What really gets me is the IT manual does not address MY steering valve. The manual tells me to attach a pressure gauge to it. There is no provision for a gauge on my valve. I know what valve they are referring to, I had one like it on my 445 and my UB Special. But the valves on both my M5 and 4Star are different, they take the threaded fittings on the end of the tubes, no O-rings and a clip. I had to affix a gauge in the feed line between the pump and the steering valve and 3/8" inverted flare fittings are a bit hard to come by.

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MMDEL

12-13-2012 07:12:20
205.188.116.19



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 Re: 4Star Power Steering Problem in reply to Curt Cooke, 12-12-2012 08:56:14  
Curt give me a call at 815+456-2114 I have some shop secrets that might help you.

MMDEL



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curt Cooke

12-15-2012 15:44:04
68.61.51.221



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 Re: 4Star Power Steering Problem in reply to MMDEL, 12-13-2012 07:12:20  
Success. I got the shim pack right but also went with your advice. It all works now. Thanks Del, your explanation makes sense. I may go even a little wider.



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SWMolines

12-13-2012 08:11:27
20.132.68.148



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 Re: 4Star Power Steering Problem in reply to MMDEL, 12-13-2012 07:12:20  

MMDEL said: (quoted from post at 08:12:20 12/13/12) Curt give me a call at 815+456-2114 I have some shop secrets that might help you.

MMDEL


When are you going to publish a book with all of your shop secrets? I'd buy a copy of it. :lol:
This post was edited by SWMolines at 08:12:06 12/13/12.

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MMDEL

12-13-2012 14:13:33
205.188.116.19



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 Re: 4Star Power Steering Problem in reply to SWMolines, 12-13-2012 08:11:27  
You guys give me an idea!! If I do ,You and Alan will get the first copies. Lets see if what I told Curt helps him out first.

MMDEL



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SWMolines

12-14-2012 05:08:48
20.132.68.148



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 Re: 4Star Power Steering Problem in reply to MMDEL, 12-13-2012 14:13:33  
I'm making 5-6 inches of room on my book shielf.



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mmdel

12-15-2012 08:49:54
64.12.117.68



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 Re: 4Star Power Steering Problem in reply to SWMolines, 12-14-2012 05:08:48  
Keith: You will only need about 1/2" of space. That will be enough for all I know about anything.
Wilson: if you are talking to me, same to you and have A BLESSED NEW YEAR.

MMDEL
This post was edited by MMDEL at 08:55:57 12/15/12.



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SWMolines

12-15-2012 14:27:34
70.196.24.158



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 Re: 4Star Power Steering Problem in reply to mmdel, 12-15-2012 08:49:54  
You are selling your skills and knowledge way short.



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wilson ind

12-14-2012 07:55:24
70.239.85.115



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 Re: 4Star Power Steering Problem in reply to SWMolines, 12-14-2012 05:08:48  
Hey old friend, Have a good christmas celebrating Jesus Christ



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SWMolines

12-15-2012 14:26:09
70.196.24.158



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 Re: 4Star Power Steering Problem in reply to wilson ind, 12-14-2012 07:55:24  
Hi Bill!

Good to hear from you. Have a great holiday!



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Alan K

12-13-2012 12:16:36
208.83.191.64



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 Re: 4Star Power Steering Problem in reply to SWMolines, 12-13-2012 08:11:27  
So would I....



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Alan K

12-12-2012 09:17:08
208.83.191.64



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 Re: 4Star Power Steering Problem in reply to Curt Cooke, 12-12-2012 08:56:14  
I have to check my one M5 with a gauge as well. If the early M670's are the same set up I do have a shop manual on one so I will look in there too. Yes those IT manuals are...somewhat helpful...at times, but dont cover everything the way they should.



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VicS

12-13-2012 08:06:34
70.195.1.53



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 Re: 4Star Power Steering Problem in reply to Alan K, 12-12-2012 09:17:08  
Had a M5 doing the same thing. On a factory recall they had put a steering shaft holder on the rod to the worm gear. It had locked up and wasn't letting the steering shaft work in and out to activate the trigger on the power steering valve. It would let it move one way but not enough the other way.



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Alan K

12-13-2012 12:23:38
208.83.191.64



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 Re: 4Star Power Steering Problem in reply to VicS, 12-13-2012 08:06:34  
Just wanted to add..I know if the steering knuckle doesnt slide on the splines that affects it as well. It seems like there are alot of things to add up to getting it to work properly....but there are so many... I suppose that is why they put the extra steering shaft supports by the valve on the first M670s.



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