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ksbowman 
Silver Level
Joined: 19 Mar 2013
Location: Paola, Ks
Points: 228
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 Topic: Hydraulic pump for 180
Posted: 21 Dec 2021 at 5:17pm |
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MY hydraulic pump has got tired after 60 years. My mechanic says with the aluminum case he doubts it will be rebuildable because of wear to the case. Anybody have any in sight to the best place to get a good pump at a reasonable price?
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DougG
Orange Level
Joined: 20 Sep 2009
Location: Mo
Points: 8256
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Posted: 21 Dec 2021 at 5:42pm |
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Used to be able to get an A+I FOR $1200= 5 years ago , also should be good used ones out there
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DrAllis
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Joined: 12 Sep 2009
Points: 21425
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Posted: 21 Dec 2021 at 5:58pm |
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I love it when the repairman condemns the pump without tearing it apart. I can't think of one I ever threw away. Always FIXED what was wrong.
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tbran
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Joined: 14 Sep 2009
Location: Paris Tn
Points: 3484
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Posted: 21 Dec 2021 at 6:23pm |
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Yeah Doc - unless it is not an oem, the wear sections are NOT aluminum. The aluminum sections do have grooves for seals that can break and a careless blow can break them while replacing the needle brgs - other wise - .... almost as good as new with wear plates and brgs and seals.
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When told "it's not the money,it's the principle", remember, it's always the money..
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injpumpEd
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Joined: 13 Sep 2009
Location: Walnut IL
Points: 5074
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Posted: 22 Dec 2021 at 7:57am |
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sounds like a parts replacer mechanic!
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210 "too hot to farm" puller, part of the "insane pumpkin posse". Owner of Guenther Heritage Diesel, specializing in fuel injection systems on heritage era tractors. stock rebuilds to all out pullers!
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Joe(TX)
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Joined: 11 Sep 2009
Location: Weatherford. TX
Points: 1682
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Posted: 22 Dec 2021 at 11:33am |
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There is seldom a problem with the pump housing. Replace the wear plates and seals.
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1970 190XT, 1973 200, 1962 D-19 Diesel, 1979 7010, 1957 WD45, 1950 WD, 1961 D17, Speed Patrol, D14, All crop 66 big bin, 180 diesel, 1970 170 diesel, FP80 forklift. Gleaner A
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PeteMN
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Joined: 12 Sep 2009
Location: Hutchinson, MN
Points: 197
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Posted: 22 Dec 2021 at 8:29pm |
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On some AC tractor models like the 220, the thin lip that supports the seal on one of the pump sections can crack and the seal will leak causing low hyd pressure on one of the hyd circuits such as steering. If you just replace the seal without repairing or replacing that section then the new seal will fail, too. Initially we thought we'd just find a used part, a parts guy had a couple used pumps with the same problem so we fixed the one we had. My brother bored the cracked lip out, machined a steel insert to replace it, pressed it in, and machined it to the correct height. It was a lot of work just to fix a weak point in the pump section. An after market hyd pump was the next option. They're too expensive to repair if you need shafts and gears.
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DrAllis
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Joined: 12 Sep 2009
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Posted: 23 Dec 2021 at 7:29am |
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I'd hope that the main relief valve has been ruled out as the culprit, instead of just assuming it's the pump itself. Was the pump flow-rated/tested for flow and pressure outputs ??
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ksbowman
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Joined: 19 Mar 2013
Location: Paola, Ks
Points: 228
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Posted: 23 Dec 2021 at 7:54am |
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Yes, The flow rate and pressure were check. It is only producing 1600# cold and drops to 1400# or less warm. The main pressure relief valve was pulled cleaned and rebuilt twice just to make sure it was ruled out and that got the readings up to where it is now. Before it was around 1000# cold. I was incorrect to call the pump 60 years old as it is an after market pump as it is not painted orange and I can find no identification marks on the exposed side telling who the maker is.
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DrAllis
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Joined: 12 Sep 2009
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Posted: 23 Dec 2021 at 8:20am |
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After-market?? or simply and Allis-Chalmers/Deutz-Allis/AGCO replacement pump?? A new pump is never painted.
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ksbowman
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Location: Paola, Ks
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Posted: 23 Dec 2021 at 9:19am |
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I'll look farther today and see if I can find any ID marks.
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DrAllis
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Posted: 23 Dec 2021 at 7:40pm |
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Take it off and put it in a box and UPS it to me. I'll tear it apart for free. I will assemble it fixed for an agreed to fee, but I have to see what the problem is first. P.M. me for a shipping address.
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ksbowman
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Joined: 19 Mar 2013
Location: Paola, Ks
Points: 228
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Posted: 23 Dec 2021 at 8:08pm |
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The only lettering I could find is Wesster and at the drain return it says drain. And yes sir, That sounds like a deal.
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SteveM C/IL
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Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 8509
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Posted: 23 Dec 2021 at 11:37pm |
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The original on my 220 had been run too long without being repaired. The groove for rubber backup had a notch ate through it.
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