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Re: remote outlet leaking on JD4240

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Tx Jim

11-09-2012 04:13:14

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Are you referring to the old style or ISO couplers?? ISO conversion kits have a history of leaking If old style factory I think it's not a common problem as I've seen many SCV's breakaway couplers that don't leak. I would think that the seals aren't being installed correctly or something has been overlooked.

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Tim S

11-09-2012 04:25:35

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 Re: remote outlet leaking on JD4240 in reply to Tx Jim, 11-09-2012 04:13:14  
It"s not uncommon to see 2 out of 3 SCV"s leak , they were such a problem that when the 50 series came out the funneled the leak away from the valve, trying to control the leak and not the problem. I have been using a quad type ring and a solid back-up ring (not the spiral kind), the quad ring that I use has 2 sealing surfaces to fit against the coupler barrel, I also use this style in the on/off arm. I will try to get a good picture of these and a special tool that I made to seat the rings posted after bit..

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11-09-2012 04:23:28

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 Re: remote outlet leaking on JD4240 in reply to Tx Jim, 11-09-2012 04:13:14  
This one is ISO. I have had the same problem with JD type. Seals are the latest type and fitted by the book. Many of the 30 and 40 series tractors built in Germany have a tank to catch leaking oil which suggests problem is universal.

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11-09-2012 04:49:11

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 Re: remote outlet leaking on JD4240 in reply to Tobac, 11-09-2012 04:23:28  
The new style seals leak very much bad, I replace all the new type seals with the old O-Ring and spiral nylon back-up and have had great success. And by the way the new type seal seems to leak worse when the tractor is shut off.

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