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Case 580C trans issues

S

Shakaka

New User
I have a 580C, only had reverse so i rebuilt the transmission, the pressure plate had a crack in it. After reinstalling the trans it work fine for a bit. Now it will go foward and backwards for approx 10min, then doesnt want to move. Shut the thing off start it up after 5-10 minutes then it will move again but not for long. This machine when i purchased it used has been not well looked after, most of the wiring is none existent. But seeing how its a simple foward and reverse system i dont understand why it is having issues.
 
Hello Shakaka welcome to YT! I would almost think
that if you rebuilt the transmission that you had a
manual to reference, what does it say in there about
loss of drive? It probably also describes pressure
checks in there to diagnose problems. Sounds like a
clutch pack is not getting enough pressure when the
oil heats up. I can direct you to a website to download
a pdf manual for &35. You will have to email me for me
to provide that info. Since this site sells manuals I try
to not post competitor info here.
 
Welp , now if that pressure plate was part of the clutch pac piston then ya know where your problem is . If not then one need to look at any shaft that has seal loc rings and where they set inside , next ya check out sump screens and torque converters . Now i am no expert on the YELLOW iron and do my vary best to stay far away from it as i can i did one time do a 580 B and never again . Ya need gauges to test , ya need the BOOK and ya need a big piggy bank . And NOW you get to do this all over again back tracking and look everything over . Did you replace the clutch pac piston seal's ?? if not now ya better . Let me put it this way to ya if a part does not LOOK GOOD then REPLACE IT , if in doubt replace it . If you want it to work like new then ya got to make it like new . What i went thru on the 580 B to get it working like new was a nightmare as there are NOT many hard parts for it and pieces and parts had to be modified . The old 580 CK with the standard trans and gear drive reverser was about as bullet proof as ya could find .
 
(quoted from post at 10:15:07 10/13/23) Welp , now if that pressure plate was part of the clutch pac piston then ya know where your problem is . If not then one need to look at any shaft that has seal loc rings and where they set inside , next ya check out sump screens and torque converters . Now i am no expert on the YELLOW iron and do my vary best to stay far away from it as i can i did one time do a 580 B and never again . Ya need gauges to test , ya need the BOOK and ya need a big piggy bank . And NOW you get to do this all over again back tracking and look everything over . Did you replace the clutch pac piston seal's ?? if not now ya better . Let me put it this way to ya if a part does not LOOK GOOD then REPLACE IT , if in doubt replace it . If you want it to work like new then ya got to make it like new . What i went thru on the 580 B to get it working like new was a nightmare as there are NOT many hard parts for it and pieces and parts had to be modified . The old 580 CK with the standard trans and gear drive reverser was about as bullet proof as ya could find .
Click to expand...
thanks for the reply, when i did remove the transmission, the pan was relatively clean, fluid looked and smelled normal. Backhoe would travel in reverse at the time. I bought a complete rebuild kit that included all orings, seals clutches, plates, pump etc. The pressure plate that was in the transmission was cracked so i figured that was the obvious problem.
 
i am kinda second guessing myself as to the spacer rings, i understand that certain thickness sized rings have to replaced in certain order. I didnt measure them with the proper instrument, simply placed the new against old and installed. I didnt realize i guess that such a small variance in thickness could cause a priblem. Just wondering if that could be the issue? Im not against taking it out and starting from scratch following exact procedures, meaning using digital calipers to measure each corresponding ring and install.
 
That machine has a Borg Warner power shuttle, the spring cracking is a common problem but only causes an issue with the forward clutch, it appears now there is a loss of pressure as the fluid warms up, before doing anything else take the two wires from the clutch cut out solenoid, that will take out any doubt about the electrics, if that does no good the next thing to do would be a pressure test, I take it the unit has the right amount of fluid, it is checked with the engine running on low idle, the transmission in fourth gear and the shuttle in neutral, good luck.
AJ
 
(quoted from post at 16:47:01 10/13/23) That machine has a Borg Warner power shuttle, the spring cracking is a common problem but only causes an issue with the forward clutch, it appears now there is a loss of pressure as the fluid warms up, before doing anything else take the two wires from the clutch cut out solenoid, that will take out any doubt about the electrics, if that does no good the next thing to do would be a pressure test, I take it the unit has the right amount of fluid, it is checked with the engine running on low idle, the transmission in fourth gear and the shuttle in neutral, good luck.
AJ
Click to expand...

Thanks Aj, im thimking it may be a broken or worn spring perhaps in the shuttle valve control or the valve control not moving freely?
 
Could be the valve has an issue but why now, the crack in the Belleville spring was the main issue with not having forward, now it can be several things, did you replace the steel sealing rings on the main shaft and the o'rings on the control valve, there are a few springs on the control valve and I never know of any breaking, inside the control valve is the dump valve, that is held in by the solenoid, if the solenoid was removed there would be no drive, take off the solenoid and jam the plunger in, push it in by hand only do not try to force it any further, jam it there and test, if still no joy remove the control valve and take it apart and see what you find, that's all you can do with the shuttle in situ.
AJ
 
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