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JD70 Gas std. Rad removal

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Dan

11-30-2002 14:30:27




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Found some antifreeze leaking on the floor below the front end.Appears to be coming from the low end of the rad.Dry around the waterpump.I took the grill off and now for the fun part. I think I will have to remove the hood,steering rod,air intake but how do I go about disconnecting the power steering lines that lay across the top of the rad so the rad can come up.And will there be oil loss or not much.I don't think I want to remove the PS unit and I don't think I have to, so do I separate the lines? or what suggestions might some of you have. I'm not intimidated yet but close.

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Steve

12-01-2002 11:42:03




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 Re: JD70 Gas std. Rad removal in reply to Dan, 11-30-2002 14:30:27  
Dan,why dont you try some stop leak first...over the years, I have used this product or similar types 7-8 times, and it worked all but once..depends on the size of the leak, but it can seal large holes with maybe 2 applications...cheap to try it before you tear the tractor apart...



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Dan in PA

11-30-2002 15:10:34




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 Re: JD70 Gas std. Rad removal in reply to Dan, 11-30-2002 14:30:27  
Dan ,you will have to separate the lines and I think you will have to remove them at the top of the power steering pump.You will lose a little oil when you do. I had to put new seals in the ps-pump on my 520 a while back so I know what you are having to go through as it is guite a job removing everything. Hang in there and good luck



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Clooney

11-30-2002 14:58:42




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 Re: JD70 Gas std. Rad removal in reply to Dan, 11-30-2002 14:30:27  
Dan, you might want to find the exact location of that leak [before] pulling the radiator.
~I have found the best way to handle those P/S lines is to pull the 7/8" drain plug on the front of the P/S bolster & drain 2 -3 quarts of P/S oil from the system, then crank it over a few times to remove some oil from the pump, then let it sit overnight so the upper oil drains into the space provided in the bolster [less oil mess when the lines are pulled that way], then unhook the rubber line at the P/S actuator valve & plug both ends with corks [then remove the rubber to steel line clamp if it has one] & lay it back behind the radiator. Then completely remove the steel pipe at the front & at the pump, then remove it from the tractor [plug both the steering gear & pump [dirt in the system will cause you a lot of grief]. I have also found that pulling the steering gear will make getting the radiator out a lot easier [just 4 bolts, try not to damage the gasket but if you do remember the gaskets are also shims so the thickness should be the same when reinstalled]. If you use the old steering oil strain it through a double paint strainer when pouring back in..

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Dan

11-30-2002 21:57:58




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 Re: Re: JD70 Gas std. Rad removal in reply to Clooney, 11-30-2002 14:58:42  
Thankyou both for your replies.



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