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Can anyone give me a hand in diagnosing the following: The boom cylinder stop going up "suddenly" after it was being used the machine was turned off for a couple of minutes and it stopped working. It works off the left pilot valve or joystick and it transfers the hydrophilic fluid via the...

Thanks let me look for that rabbit.. now there is a button on the machine in the middle of the display that operates the thumb.. the thumb does not operate when that is off... Im not sure if that is what your calling the rabbit.. but I will take a look at in the morning .. thank you I...

the machine will move forward and backwards no problem.. but if you put pressure on one track either left or right it will not turn.. so the entire machine will not turn either left or right. what I do is hit it back and forth so it will turn a little and that is how I get it to turn a little...

I'm not sure the previous owner told me that he changed all the hydrolic filters inside and the one outside the tank and clean the tank as well. He said a very experience mechanic did it.. Buy now I'm doubtful I'll try to see what type of oil it has.. thanks

That I don't know but I will check without using the high speed. it's on when the thumb is operating. thank you

Thank you I will check out the service manual again to see if I missed anything.. not familiar with it but I will check it again.

Thanks, James. The tracks won't turn they will go forward or backward but it will not turn. the rest of the machine is working perfectly fine. all the cylinders the rotation on the machine the push bucket all work except for the turning. It all works but not really strong. that is why I'm...

I have a 2007 kx 121-3 and it's having a hard time turning from both right and left. When I ramp up the machine it gets better but still does not want to turn. it seems like a hydraulic pressure problem. can anyone tell me how to check hydraulic pressure or any advice on what to check. any...