I am another one of those "lurkers" of HEF for some time. I have found a wealth of information here.
I have a case 850k that the blade angle will not hold. You can restore the angle at any time but soon as you let go you lose the angle. This is the case for either side. The problem started after I popped a hydraulic hose to one angle cylinder. I replaced the hose but had the problem. I rebuilt both angle cylinders and the spool for the angle cylinders on the control valve. The only visible oil seepage is at the control valve on the lift valve, not on the angle valve. The service manual says the angle cylinders can't be checked by pulling a hose off and angling the blade. They have a bypass built in.
Is there any thing else in the angle circuit I need to be looking at? The 850k is a good machine, plenty of power, handles easily and has done a variety of jobs here on the farm but the angle problem drives me nuts. If any body has any ideas I would really appreciate it. Any help at all would be great.
I have a case 850k that the blade angle will not hold. You can restore the angle at any time but soon as you let go you lose the angle. This is the case for either side. The problem started after I popped a hydraulic hose to one angle cylinder. I replaced the hose but had the problem. I rebuilt both angle cylinders and the spool for the angle cylinders on the control valve. The only visible oil seepage is at the control valve on the lift valve, not on the angle valve. The service manual says the angle cylinders can't be checked by pulling a hose off and angling the blade. They have a bypass built in.
Is there any thing else in the angle circuit I need to be looking at? The 850k is a good machine, plenty of power, handles easily and has done a variety of jobs here on the farm but the angle problem drives me nuts. If any body has any ideas I would really appreciate it. Any help at all would be great.
Case 850K blade angle won't hold
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