Case 830 Hydraul Oil Change Problem - Help - Help

Charles Hueseman · Jul 20, 2011

I am restoring a 1960 Case 830 gas tractor with Case-o-matic and an Eagle hitch. I drained the hydraulic fluids via the 3 drain plugs (aprox. 9 gal). The manaual calls to flush the system with fuel. I filled the tourque converter case with 6 gallons of gas, expecting the gas to also enter the 5 foot section (6480A) behind it and the Eagle hitch case behind that. Wrong, wrong, wrong. The fuel never left the torque converter case. I found a fill plug up high on the Eage hitch that alowed me to flush that area. I have minor and major questions. The minor question is how do you flush the housing immediately behind the torque converter case? There is no obvious fill plug. The major question is what is the step by step method of refilling the tractor? Do I dump 6 gallons in and then start the tractor up briefly, and then add some more, repeating the procedure until the dip stick says full? The last thing I want to do is damage the tractor by runnng it with some hydraulic areas dry. The manual says nothiing about the fill procedure. The hydraulics work perfectly.

Anonymous-0 · Jul 20, 2011

my 800 and 730 have the filler holes in the back near auxx top link hookuop , full rearward is3pt lift reservoir ,,next hole in front of that is tranny 90 wt oil ,. get that gas out of the caseomatic , not a good idea imho

INCase · Jul 21, 2011

on the 800 there are 3 sections and probably 4 or 5 plugs. Front Case-o-matic (i would not run it with gas in it). the transmission and rear end section and the hydraulic/PTO section (rear).

My 800 has a large hex plug to the left/rear of the drivers seat on the plate the seat mounts to. My 1961 730 had a breather plug/dipstick to the left of the drivers seat in the plate the seat mounts to (mine was VERY hard to get out). not sure which one the 1960 30 series had as they were a mix between the 00 and 30 series in 1961. One of those spots will allow you to fill the trans/diff area.
The 3rd area as you mention is the PTO/hydraulic section in the very back. Make sure you clean the filter back there (behind large triangle plate) too.

I think I would use kerosene or diesel instead of gas though.

Make sure to fill the fluid for the COMatic is TCH approved or use Dextron 3. Use Dextron in the PS pump too. Some use Dextron in the PTO/hydraulic as well. Use what the manual says for the trans/diff.

Good luck, enjoy your Case!

Charles Hueseman · Jul 21, 2011

I do indeed have a large hexnut on the top of the transmission case. Hopefully that will allow me to flush that part.

From your replys, it sounds like each of the 3 compartments are isolated. This is different that what the Case 830 Owner"s Manual (reprint)alludes to. It only mentions the dipstick on the Case-o-matic section.

There is a breather to the top of the Eagel hitch area, very near the filler plug. I will check to see if it also has a dipstick underneath it. Also there is indeed another very small breather below and slightly left of the seat. Maybe it too has a dipstick on it.

I used gas for flushing because that it what the manual said to use. I will flush with diesel fuel for the rest of the project.

In terms of the fluid, I spent many hours researching for the equivalent to ATF Type A, leaving me more confused than before I started. I then went to my local Case dealer and they said use Hytran Ultra. They also had a Mobile 424 (I think) which they said is a good equivalent to their Hytran. That is what I will be using. I will check out the alleadged dipsticks abd post another message.

Charles Hueseman · Jul 31, 2011

My tractor is a very early model 830 gas, 8 speed, COM tractor (not duel range). The problem I was having had to do with this combination. The Case/IH parts site, as well as my owner's manual, as well as my Parts Catalog #671, does not show my tractor's configuration. The solution to replace all the hydraulic oil is as follows. The oil is indeed contained in 3 totally separate areas, meaning the torque converter case, the transmission case, and the hydraulics/Eage hitch case. The last 2 cases contain no dipsticks. However they have top plugs for adding fluid and each have side plugs exactly at the height of the middle of the rear axles. I merely removed the plugs, ensuring that they were not clogged, and then then added fluid until it came out those holes.

I may have a solution for finding the recommended ATF Type A fluid. That will come in a separate posing.

Case 830 Hydraul Oil Change Problem - Help - Help

Charles Hueseman

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Anonymous-0

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INCase

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Charles Hueseman

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Charles Hueseman

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