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T-BONE

transmission stops

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T-BONE

I Just got a 99 520h with a 2 stage bermac blower. I paid $500 for it. I already have 98 520hc. So I am familiar with the tractor and transmission so when I was picking the 520h up the tractor moved slow. I  checked under the seat and the linkage was very loose and didn't go to its max strong , , figured that was a issue. When I test test home tightened everything up set the linkage and motion lever linkage   so now when i move the tractor it moved very fast but only if you short period of time. It's like it was in neutral. Also the piston that lifts the blower works sporadic.   Does this all mean it's the pump ins the tranny. Please help. 

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rmaynard

Did you check the fluid level?

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T-BONE

I drained oil and changed oil filter. I put almost 5 liters in it
thanks for for reply

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can whlvr

make sure the belt isn't slipping or the drive pulley slipping on shaft

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T-BONE

OK. I will have a look. Are these units self bleeding.   I topped up the tranny while running and it bubbles indicating that there is air in system 

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Shynon

I have to ask what kind of oil did you put in it?

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T-BONE

10w30

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Shynon

10w30

What brand. Dealer I used to work for told me Valvoline will cause air bubbles and trans to not work correctly. He always used Mobil 1

Edited by Shynon

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T-BONE

Really. I used Motomaster  10w30. On sale for 13.99.  
so I just took of right side back wheel. Trans fan side. Started it up. Belt looks like it's not slipping. I put it in forward and 1 wheel started to turn fast. I grabbed it and the other one started to turn very fast. . Put in reverse and nothing. I put back it forward and nothing. If it does go in forward it is very slow and I can stop wheel. Also lift doesn't work. Is it possible that the charge pump is done.   Or could it be even worse 

Edited by T-BONE

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T-BONE

Anyone have any thoughts  

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stevasaurus

I'm not sure what is wrong with your hydro.  I can tell you that you should be able to grab one wheel and stop it (while the horse is in gear) and then the other side will turn in the same direction...that is what it is supposed to do.  They should do it in reverse also, and the speed should be the same.  When in neutral, if you turn one wheel, the other should turn in the opposite direction.  I would say that there is nothing wrong with your transmission...it is in the hydro part.  :)

We do have some very good hydro guys on site, just have to wait until they see this.  In the meantime, try doing a search.  I know there is a ton of threads concerning hydros...you might find out where to start next.  It does sound like it could be air.

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T-BONE

Thank you. What is the best way to bleed these systems

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T-BONE

I've been doing som more research and I noticed that on the Eaton 700 that there is a oil add spot on the transmission.   I have only change the oil on the transaxle. (plug on bottom of transmission 

Edited by T-BONE

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T-BONE

I think I am going to start with bleeding air first. I a going to start off at the hydrolic lift lines and go from there. Any one else have a better idea. Thanks in advance 

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can whlvr

ok,so first if u have a 520 hc its an eaton 1100 series,it draws the oil from the transaxle,thats the onl place for you to fill,the pump will self bleed,sometimes it takes a bit of running and using the lift,but they usually don't act like you have mentioned,it sounds bad,if the belt is not slipping,the pulley is tight and not slipping on the shaft then its more than likely internal,but I would make sure its not linkage,other then those items its hard to know

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T-BONE

I started it up after work . Raised lift. It worked and squealed like like other 520 and then then stopped. I then started to bleed line at the lift. There is a lot of air in the system but it still wouldn't catch. up then bleed the air at the filter return line but it still wouldn't bleed all air out. Do u think it's done :( 

Edited by T-BONE

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T-BONE

I will also mention that the pulley that the  fan is on is very rusty and the tension spring for the drive belt had a kink in it so I replaced it with a spring that was stronger I would say.  What would be a good indicator that it was slipping if it is covered in Rust but looks as if it's spinning fine

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953 nut

You could clamp a pair of Vice-grips on the pump shaft and try to move the pulley by hand, it shouldn't move at all.

Edited by 953 nut

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T-BONE

Everything checks out. And I just found an Eaton 1100 transmission and transaxle for 150. I'm gonna get it. shoukd I be looking for anything when I go pick it up. Guy days his engine blew a valve 

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can whlvr

that's the one thing about the 1100,s theres lots of blown onans so they are out there,it could be air but usually they will bleed them selves

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