Re: Case 580 K Hydraulic Problem

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Posted by AJ on Wednesday, March 26, 2008:

In Reply to: Case 580 K Hydraulic Problem posted by Jim on Tuesday, March 25, 2008:

The whole of the hydraulic system is procteted by a main regulator valve located in the control bank for the front loader,each movement of the machine is procteted by a port valve except the stablizers and extendahoe,the usual thing to happen is the loss of power due to the main valve sticking open or an o'ring failing on the valve body,check on the machine that all the control levers for the hydraulics are returning to the nrutral position including the extendahoe pedal,when you are sure everything is in neutral the engine should start normally,you say it was difficult to start after it stalled so before you tamper with the hydraulics you need to make sure the engine is running properly,if there is a poor fuel supply,air in the system or dirty filters the engine will stall,service the fuel system first,see if the machine travels as normal,if so and you are satisfied that the engine is running good and not an issue you may need to remove the main relief valve to see if its stuck closed which is unlikely but!
AJ

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