Go BottomBleeding air from hydrolics
 | Cliff
Join Date: Posts: 1 
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1999-12-05 10664
Upon using using my tractor this morning, first snow, my hydrolics are making a terrible squall. Could this be air in the hydrolics and if so what is the best way to bleed them. TIA!Cliff
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| Roger L.
Join Date: Jun 1999 Posts: 0
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1999-12-05 10671
Is the weather real cold? It could be that the hydraulic fluid is too cold (viscous) to flow at the rate that the pump needs to be fed. This will cause pump cavitation and is NOT good for the pump. This is common in cold weather and is why some tractors have a transmission oil heater as well as a block heater. If it will idle slowly without squealing then let it idle for a while to bring the hydraulic fluid up to temperature. 15 min. to half an hour is typical. ....
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| Cliff
Join Date: Posts: 1
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1999-12-05 10676
Roger,
Really wasn't all that cold. Loader had been setting outside and tractor was inside though. Temp was probably in the upper 20's. I brought tractor and loader inside and let set for quite some time. I had just changed engine oil and hydraulic and HST filter also. I did notice a leak at the hyd.oil cooler and tightened fittings, this was during prior use when it was warm. This led me to think I may have gotten some air in the system. After leaving the tractor inside for quite some time it still squalled terribly at full throttle. As I was taking it back outside to remove the loader I noticed when I lifted the loader some jerking. The tractor only has 50 hrs. on it so I can't think I have a hyd. pump problem although anything is possible. Any impute would be appreciated.
Cliff ....
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