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Nickelplate 
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Joined: 07 Mar 2017
Location: Indiana
Points: 24
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 Topic: 7045 hyd leak location?
Posted: 21 Mar 2017 at 8:25pm |
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Just bought a 7045 not long ago for our ag bag. Takes 540 pto with good amount of HP to run. We run newer JD equipment but I'm falling for this old gal. Trying to locate and fix leaks. First leak was the piston pump suction tube underneath. Fixed it but noticed another leak up further. It's coming somewhere by the small fuel tank where there are 3 or 4 metal lines. Checked from behind tractor and no visible dampness. So after I drop the small tank what should I expect up in there? Pretty sure it's fluid from the powershift as I was adding a lot of fluid since owning. I have a pic but darn thing taking forever to upload.
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Michael V (NM)
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Joined: 12 Sep 2009
Location: NM
Points: 2496
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Posted: 21 Mar 2017 at 9:03pm |
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when ya get the tank off, you'll be able to see lotsa hydraulic lines...this JWAG,, but I'd bet there's one that has a hole rubbed in it
a good power washer is going to be a good friend...
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Nickelplate
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Joined: 07 Mar 2017
Location: Indiana
Points: 24
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Posted: 21 Mar 2017 at 9:38pm |
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Already pressure washed 20 pounds of build up from leaks....was thinking it would be one of those lines. Any reason I couldn't make up some regular hydraulic line for those lines and eliminate the metal lines?
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MACK
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Joined: 17 Nov 2009
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Posted: 21 Mar 2017 at 10:10pm |
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Most likely place is the two o rings on pumps. Will need to remove all three pumps. MACK
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LB0442
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Joined: 27 Dec 2014
Location: Boise ID
Points: 767
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Posted: 22 Mar 2017 at 9:40am |
I had one with a leak behind the the right tank. Pulled the tank and the cab mounts were bad rubbed holes in the brake lines. Previous owners did some brazing, didn't work. I replaced them with a set from a maroon belly. They had a factory bend in them to give them more room. Plus I did the cab mounts also.
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tornado8070
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Joined: 24 Mar 2013
Location: MI
Points: 1341
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Posted: 22 Mar 2017 at 5:02pm |
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I had the exact same issue. I put on hose.
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09’ DT205B, 08’ DT220A, 83' 8070 MFWD, 83’ 8070 85’ 8050 MFWD, 83' 8030, 82' 8010, 85’ 6080 MFWD, 84’ 6080, 79' 7020, 85' M3 RWD, 85' 920 diesel,AC C-50 forklift.
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AC7060IL
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Joined: 19 Aug 2012
Location: central IL
Points: 3580
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Posted: 22 Mar 2017 at 5:22pm |
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LB0442, Thank you for including your photos. It really helps visualize the problem.
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Nickelplate
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Joined: 07 Mar 2017
Location: Indiana
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Posted: 22 Mar 2017 at 6:41pm |
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Got fuel tank off and wow talk about leak heaven...had 2 separate issues. 1 line someone tried to braze and failed and a pinhole in brake line
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Michael V (NM)
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Joined: 12 Sep 2009
Location: NM
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Posted: 22 Mar 2017 at 9:29pm |
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Sure makes it easy to see what your doing when ya get the tank off,, don't it..
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