case 446 hyd drive problem
Posted May 10, 2011 - 11:22 AM
Posted May 10, 2011 - 11:28 AM
warmed up any. Air in the system can cause a lot of grief.
Posted May 10, 2011 - 04:20 PM
Posted May 14, 2011 - 09:54 AM
What type of oil did you put into the hydraulic system?
Did the tractor perform this way prior to changing the oil or only after changing it?
What type of hose did you use to replace the old hoses leading to the cooler?
What type of hose clamps are you using?
Posted May 14, 2011 - 10:00 PM
Posted May 14, 2011 - 10:02 PM
Posted May 14, 2011 - 10:05 PM
Posted May 15, 2011 - 01:34 PM
I will check the ser # , the oil i used is what the book called for , problem statred after replacing hoses and oil , I used exact hyd hose with good screw type hose clamps. I don't have any leaks.
FYI... worm screw hose clamps are not the most ideal clamp for hydraulic hose. It is possible for you to NOT have an oil leak but for air to get sucked past the clamped hose. If you purchased SUCTION hose from a hydraulics shop, then you did the correct thing. You might be surprised at how many owners believe that heater hose or garden hose will work OK. The manual calls for 20W40 MOTOR OIL but that is a difficult grade to find any longer as it has fallen out of favor with engine manufacturers. Please...... if we ask you a question.... try to provide a full answer. Work with us here so we can help you get to the bottom of your problem quickly. What is the brand and grade of oil you put in the hydraulic system?
Posted May 15, 2011 - 01:55 PM
Posted December 04, 2011 - 09:32 AM
Screw type clamps are a thing of the past. You can't use them with the newer types of hoses, especially silicone. You get a much better seal with Torx-Clamps and they don't eat into the hose and cause leaks, or in your case, possibly sucking air. Take a look at your fluid and see if it's foaming. Foaming hydraulic fluid is usually either low fluid level or sucking air on the INLET side of the pump. Fluid coming into the pump is under a vacuum and will suck air. Fluid returning from the pump is under positive pressure due to the flow rate and will leak out.
Check to make sure the fluid level is good and chuck those screw clamps in the trash and get some Torx-clamps. You can use Rotella if you like, but my experience has been that Mobil Delvac Super 1300 is much better oil for about the same money and I've got years of oil analyses reports to back that up.
Posted December 06, 2011 - 08:40 AM
Posted December 14, 2011 - 02:12 AM
Posted March 22, 2012 - 08:41 PM
I don't know anything about the Case/Ingersoll school but if they taught you that all the tractors have an oil level of 1.5 inches down from the neck of the tank then I'd check their credentials. Someone coming along next year reading this with a newer tractor that should be filled to 5 inches down from the neck will make a big mess.
They also only call for 5w20 oil in winter climates below freezing.
Posted March 22, 2012 - 11:53 PM
Rick, while I never got the chance to attend CASE/Ingersoll school I have a couple questions for you. I do however attend CASE-IH service training school. CASE, Colt, and Ingersoll only recommend 5W-20 for operating below 32*F, 20W-40 above 32*F. I along with the majority of owners use 15W-40 year round. Secondly, where does it say to keep it 1 1/2" down from the top of the tank? Go try it, my 2 tractors are still oily messes, page 50 in my 446 owners manual says to keep the oil 5-6" down from the filler. So then, where was this Ingersoll school. I live not too far from Winnecone and even asked about any special training in the past and they deny anything ever existed. I am a CNH certified mechanic, have been for the past 15 years.
The case tractor with the hy-driv unit on it calls for 5w20 oil in the system.The oil level should be 1 1/2 inches down from the top of the tank,usualy around 7 qts.This is what I learned in Case/Ingersoll school.I had no idea how much oil belonged in there until I went to school what a learning time I had.Hope this helps.
Posted March 24, 2012 - 06:54 PM
I'd check their credentials.
Please reread what I said and reread what you posted.
I wasn't mad at you and I'm still not so please get back to glad with me.
I was just trying to correct the record because just like you did lots of people read year old threads and your misinformation will be on here forever (allot longer than the extra four inches of oil would be on their garage floor).
Another member came and posted the same info I did three hours later and your good with him correcting you but you want to jump up my ... Hello
Maybe it's because I didn't qualify my background. I'm a Union Lather and hung sheetrock for 27 years (but I still know an oily mess about to happen when I see one and like Spicoli's daddy I've got a helova set of tools).