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Finally a chance to test the pto


 
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SVcummins
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Joined: 06 Feb 2017
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PostPosted: Mon May 03, 2021 10:05 pm    Post subject: Finally a chance to test the pto Reply to specific post Reply with quote

On the 4020 . No more noise . Hydraulics work like they should as well . Still need to replace the left hub and get the new front wheels on and the new rear tire . Still have a fuel leak around the pump going to try a different washer



 
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Johnny Farmer
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PostPosted: Tue May 04, 2021 2:35 am    Post subject: Re: Finally a chance to test the pto Reply to specific post Reply with quote

Those are the washers I use on my pumps, They don't leak.
 
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M-MAN
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PostPosted: Tue May 04, 2021 2:46 am    Post subject: Re: Finally a chance to test the pto Reply to specific post Reply with quote

Just a little TLC and those old workhorses keep on going. Thanks for the update!
 
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Plant Doc
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PostPosted: Tue May 04, 2021 3:22 am    Post subject: Re: Finally a chance to test the pto Reply to specific post Reply with quote

SV: Regarding the fuel leak around pump, I had the same problem. I tried a variety of different washers with not luck. After many four letter words I removed the line that was leaking and found the bango fitting had a hairline crack in it. I had to use a magnifier to see the crack, but it was there. Put on new line and problem solved. Take a look when you install new washer. Hope this helps.
 
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Dieseltech
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PostPosted: Tue May 04, 2021 3:59 am    Post subject: Re: Finally a chance to test the pto Reply to specific post Reply with quote

May not be the washers or cracked line at all, that oddball pump is also known to have leaks that can't be stopped. I have the same pump on my 1970 4020, starts/runs well with no leaks but it's coming off this summer for the JDB pump and lines I have ready to install..
 
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SVcummins
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PostPosted: Tue May 04, 2021 7:25 am    Post subject: Re: Finally a chance to test the pto Reply to specific post Reply with quote

I know its the washers because I tried some carbon fiber washers and they sealed the leak but they didnt last so I found some really soft copper and they sealed but didnt last
 
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SVcummins
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PostPosted: Tue May 04, 2021 7:27 am    Post subject: Re: Finally a chance to test the pto Reply to specific post Reply with quote

I have thought about getting new lines but I havent done it yet
 
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SVcummins
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PostPosted: Tue May 04, 2021 7:28 am    Post subject: Re: Finally a chance to test the pto Reply to specific post Reply with quote

Its nice to have it all back working
 
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SVcummins
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PostPosted: Tue May 04, 2021 7:29 am    Post subject: Re: Finally a chance to test the pto Reply to specific post Reply with quote

It looks better anyway with that new housing
 
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rrman61
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PostPosted: Tue May 04, 2021 10:26 am    Post subject: Re: Finally a chance to test the pto Reply to specific post Reply with quote

I had a similar problem once on a international 454 tractor. just couldnt completely stop the leak so I used my dads old trick:a strand from a piece of tarred twine like some people use for a trot line.3 or4 wraps between the washer and mating surface and it never leaked again and its been 20 years.also works on a fuel line with the strand of twine between the Ferrell and brass nut on the fitting.the tar hurts nothing because it just compresses like an adhesive would
 
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Dieseltech
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PostPosted: Tue May 04, 2021 11:47 am    Post subject: Re: Finally a chance to test the pto Reply to specific post Reply with quote

That might work on a LOW pressure line, but not on a high pressure line. Some injectors open at 3000 PSI, and some newer engines 4500-4600 PSI.
 
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Dieseltech
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PostPosted: Tue May 04, 2021 11:54 am    Post subject: Re: Finally a chance to test the pto Reply to specific post Reply with quote

Around the main steel body of that pump are small plugs in line with each injector line outlet port, the plugs close off the holes used in the drilling process. They are covered with epoxy and are not to be removed as they are not serviceable if/when leaks start in that area. Main reason I want to replace my working pump is I HATE the low speed lousy governor response those pumps are also known for..
 
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rrman61
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PostPosted: Tue May 04, 2021 3:18 pm    Post subject: Re: Finally a chance to test the pto Reply to specific post Reply with quote

I assumed it was a low pressure line and of course your right
 
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