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ycattle1 
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Joined: 27 Nov 2013
Location: Corvallis, MT
Points: 15
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 Topic: 7040 steering problem
Posted: 17 Dec 2014 at 3:12pm |
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Bought a 7040 at auction and the powering steering lags. you turn the wheel and then the wheels will turn slowly. I this a power steering pump problem? New to the 7040 so not sure what I'm looking at.
Thanks
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SteveM C/IL
Orange Level Access
Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 8590
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Posted: 17 Dec 2014 at 5:18pm |
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It don't have a p/s pump as such.It runs off one of the 3 hyd pumps but I don't remember which one.Someone will know what your problem is.DrAllis or MACK will know whats up.
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ycattle1
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Joined: 27 Nov 2013
Location: Corvallis, MT
Points: 15
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Posted: 17 Dec 2014 at 6:30pm |
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Thanks, Steve M
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Ronnie
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Joined: 23 Mar 2014
Location: New Brighton
Points: 557
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Posted: 17 Dec 2014 at 7:29pm |
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Had a similar problem with a 7040 the priority valve was sticking had to clean it and it works fine now it's on the pump tward the front of the tractor has two plugs on it u can pull it out through the plugs and clean it
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Lynn Marshall
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Joined: 13 Sep 2009
Location: Dana, Iowa
Points: 2374
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Posted: 17 Dec 2014 at 9:30pm |
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Check the left side filter to be sure that the screen is there. Also, jack the front end up, remove the steering hoses, and be sure that there isn't anything in the front spindle area that is binding on the power steering.
Edited by Lynn Marshall - 17 Dec 2014 at 9:31pm
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MACK
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Joined: 17 Nov 2009
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Posted: 17 Dec 2014 at 9:41pm |
The gear pump (middle) runs power steering. There is a plug on the middle pump that takes a 11/4 wrench. Remove nut, next a cap, spring, orffic plate(small flat washer with a small hole) then the spool valve. The spool may be stuck in housing. Get it out and polish it up.
Check left filter in rearend housing. Screen may be missing or worst filter pluged with metal.
Hope this helps. If not let us know. MACK
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ycattle1
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Joined: 27 Nov 2013
Location: Corvallis, MT
Points: 15
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Posted: 18 Dec 2014 at 1:21pm |
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Thank you for the info, I will pull it apart this weekend.
Thanks again
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GM Guy
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Joined: 31 Jul 2012
Location: NW KS / S.C. ID
Points: 1985
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Posted: 27 Jul 2018 at 2:15am |
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what is suggested to polish the spool valve? I picked up a 7040 with sluggish steering that I need to correct.
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Gleaner: the properly engineered and built combine.
If you need parts for your Gleaner, we are parting out A's through L2's, so we may be able to help.
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Lonn
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Joined: 16 Sep 2009
Location: Назарово,Russia
Points: 29802
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Posted: 27 Jul 2018 at 8:13am |
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My 7050, when I first bought it, turned like wrestling a bear. The right spindle had no grease zerk and I had to beat the spindle out with a 16# mall by first fighting to pull the axle from the tube and turning it upside down and putting back in tube, mine was just packed with dirt......... yada yada yada long story short, check that the spindle isn't stuck from lack of grease.
Edited by Lonn - 27 Jul 2018 at 8:13am
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LB0442
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Joined: 27 Dec 2014
Location: Boise ID
Points: 767
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Posted: 27 Jul 2018 at 9:33am |
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I use 2000 grit, same as you would use for wet sanding paint. Very important you must use it wet. I usually sand things like that in the solvent tank.
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