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JD 60 Rockshaft leaks down.

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zane

11-27-2001 16:58:30




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My 60 is used several times a month for light farm chores with implements such as 6-foot tandem disk attached to the 800 hitch. The rockshaft always held steady under load. Suddenly the rockshaft leaks down, big time. With the tractor engine dead, you can hear the oil running and see the load creeping down. I thought maybe a piece of trash had hung in a check valve, so re-started engine and tried several more times--no difference.

I had a 50 to start leaking several years ago, but it started gradually and got worse over time. Piston O-ring and paper washer cured that. Will that be required now on the 60? Or are there some external checks, flushes, etc. that I should try first? Thanks.

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Russ

11-29-2001 19:22:46




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 Re: JD 60 Rockshaft leaks down. in reply to zane, 11-27-2001 16:58:30  
Have seen the housing on the back side or rockshaft hsg get a hair line crack. It's been a while since the last one I worked on but it can be magnafluxed to check for cracks. Customer couldn't keep 3 pt 5' rotary shreder to stay up going down the road. He wound up not fixing it for cost reasons but at least we did find the problem. Hopefully this isn't the case but just thought I'd give my 2 cents worth.

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Clooney

11-27-2001 18:44:09




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 Re: JD 60 Rockshaft leaks down. in reply to zane, 11-27-2001 16:58:30  
Zane, you might try to run the 3-point up with a load on it then back the "throttle valve screw" (that's the lower one on the rear) all the way out & see if it still bleeds down, if it does there is a good chance the piston "O" ring is the problem (not 100% but a real good bet). If it holds up then you have dirt in a check valve or the "O" rings are leaking on the lower hose adapter/plug, or ? If the oil in the power-trol is going down suspect a blown gasket between the cylinder & housing.

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zane

11-28-2001 15:20:28




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 Re: Re: JD 60 Rockshaft leaks down. in reply to Clooney, 11-27-2001 18:44:09  
Thanks, Clooney. I appreciate your help.



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