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HELP! Hugh, Allan, Experience Needed (PICS)

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Charles Todd

04-06-2008 19:48:18

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I had asked this earlier and several people said there was a "standpipe" in the lift sump. I pulled the cover off (under the seat) and this is what I found.

I did not find a "standpipe" anywhere and I probed around and did not find a plugged drain hole. Didn't someone also say that they pulled a pipe plug to let this oil drain back into the main reservoir?

I am leaking like a crazy here,

Please advise. I have not started the tractor (Farmall 504D) in over 2 weeks, I would have assumed the oil should have returned by now.

Charles

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charles todd

04-07-2008 13:33:12

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Re: HELP! Hugh, Allan, Experience Needed (PICS) in reply to John T, 04-06-2008 19:48:18

TractormanNC said: (quoted from post at 17:26:11 04/07/08) On a 656 or 666 You don't have to pull anything to get to the drain plug. However, as the parts book shows, it is no ordinary pipe plug. It is hex shaped, approx 3/4 Ithink and 3 to 4 inches long. I think yours has already been removed, if it ever had one. Tell us this, was the housing full of oil up to within about 1/2 inch of the top? That is what the infamous standpipe is for. The drain plug is made so long so you can find it when the housing is full of oil.

Not full to the top, maybe 3"-4" from the top. If this standpipe/plug was 3"-4" long, I think it may be gone...
Gave up on that one for now. I am putting all the pieces back together so I can get some use out of it. I will post those later. Thanks.

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TractormanNC

04-07-2008 04:33:02

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Re: HELP! Hugh, Allan, Experience Needed (PICS) in reply to Charles Todd, 04-06-2008 19:48:18

Hey Charles,
Have a 504 but have never been into this. Just got thru replacing O rings on the D & P control shafts on a 666, almost the same. Looking at the 504 parts book the drain plug is supposed to be in the left front corner of the housing. Yours appears to have already been removed. I don't see it in the pics. Check in that corner for a hole approx 1/2 in. dia. Don't see the standpipe either. 656 and 666 have them though.

As for the leaks, with all due respect to Allan, tear it down and fix it RIGHT. It's not hard to do but it is tedious and time consuming, lots of small parts.

You will need seal #37 in parts book CIH PN 383133R91 O ring #81 in parts book CIH PN 355967R1

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Hugh MacKay

04-07-2008 08:45:42

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Re: HELP! Hugh, Allan, Experience Needed (PICS) in reply to TractormanNC, 04-07-2008 04:33:02

Charles: I didn't respond, even though I put roughly 32,000 hours on two tractors equipped with that type hitch, I had never had one apart. I think age has affected them moreso than hours of service.

I often see folks discussing items on here that I never had happen on much higher hour tractors 25 years ago. I'm convinced you get much better performance from these tractors if the hours go on fast and furious.

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Allan In NE

04-07-2008 03:41:27

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Re: HELP! Hugh, Allan, Experience Needed (PICS) in reply to Charles Todd, 04-06-2008 19:48:18

There is no plug screwed into the drainback hole?

Allan

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Charles Todd

04-07-2008 07:17:24

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Re: HELP! Hugh, Allan, Experience Needed (PICS) in reply to Allan In NE, 04-07-2008 03:41:27

Here is what I have from the TC-88 parts catalog.

I know it says (26) Plug, Hydraulic Unit Housing Drain. Do you have to pull (22) Cylinder and Valve Assy, Draft Control. As for the seal and o-ring, we may have different numbers?

Thanks

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TractormanNC

04-07-2008 09:26:11

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Re: HELP! Hugh, Allan, Experience Needed (PICS) in reply to Charles Todd, 04-07-2008 07:17:24

On a 656 or 666 You don't have to pull anything to get to the drain plug. However, as the parts book shows, it is no ordinary pipe plug. It is hex shaped, approx 3/4 Ithink and 3 to 4 inches long. I think yours has already been removed, if it ever had one. Tell us this, was the housing full of oil up to within about 1/2 inch of the top? That is what the infamous standpipe is for. The drain plug is made so long so you can find it when the housing is full of oil.

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Allan In NE

04-07-2008 07:42:12

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Re: HELP! Hugh, Allan, Experience Needed (PICS) in reply to Charles Todd, 04-07-2008 07:17:24

No, don't have to pull anything.

Your second picture shows fairly well where it screws into the bottom of the cast. It is forward of the cylinder assembly, between it and the forward wall. Just about straight across from that relief valve.

I can�t see it in your pictures either. It�s either been yanked already, is still under oil, or perhaps the 504s didn�t even use it?

Sorry I can�t be of more help; never laid eyes on a 504 in my life. But, they should be about the same as a 544 I�d think.

Allan

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karl f

04-07-2008 20:55:39

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Re: HELP! Hugh, Allan, Experience Needed (PICS) in reply to Allan In NE, 04-07-2008 07:42:12

Allan In NE said: (quoted from post at 07:42:12 04/07/08)

; never laid eyes on a 504 in my life. But, they should be about the same as a 544 I�d think.

Allan

504 has upper link sensing, as does 544 INternational model. similar housing to 544 farmall and 656 beyond that i'm not sure either, but do know that there's gonna be more internal parts with the sense in there.

karl f

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Charles Todd

04-06-2008 21:59:38

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Re: HELP! Hugh, Allan, Experience Needed (PICS) in reply to Charles Todd, 04-06-2008 19:48:18

Before I get any wise cracks, I know there are three holes open... Not leaking there, just have not put the remotes back on :) The quadrant is quite leaky and I believe it was Allan that had mentioned a "plug or standpipe". And if removed it lowers the level in this area, and possibly slowing or stopping the quadrant leak.

Thanks again,
Charles

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Charles Todd

04-06-2008 22:08:17

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Re: HELP! (PICS), Found Prior Post Allan in reply to Charles Todd, 04-06-2008 21:59:38

Re: (PICS) Farmall 504 Hydraulic Rebuilding Advice Needed... in reply to Charles Todd, 03-04-2008 09:06:09

Charles,

Just a suggestion. I'd clean that all the oil mess up, pull that cover under the seat and remove that silly standpipe in the reservoir.

Start �er up and watch for any leakage. Bet it will eliminate about 95% of your problem. A seep at the quadrant shaft(s) will make it look like it�s leaking everywhere.

Nice job on the loader, by the way. You did good!

Allan

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