580k hydraulics

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580k hydraulics

jim jarvis	lost all hydraulics including power steering and tranny. dont know where pumps are , no manuals
AJ	There is two models of the 580K,the power train differs quite a bit,nither machine shares the transmission oil with the hydraulic oil,the shuttle has its own oil and pump,if its a series 1 it will have a Borg Warner shuttle and the oil filler and dipstick is on the right side of the engine just above the starter motor,the shuttle oil is checked with the engine running on low idle,shuttle in neutral,main in 4th gear,parking brake on,if you got the series 2 the dipstick is through a hole in the centre of the floor where your feet would be if operating the hoe,you check that with the engine stopped and the oil cold,the main hydraulic oil reservoir has a sight glass on the side of the tank it is on the right side down from where the front loader pivots,it should be halfway up the glass,the steering shares the hydraulic oil and pump,if the main regulator valve sticks open it could be the cause of your problem with the hydraulics and steering but not the transmission.Get someone that knows these machines to have a look and show you the ropes. AJ
jim	it must be the series 2 already checked the fluids. it has a slight tinny noise like a coupling let go but dont know from yet. thanks for the help
AJ	There is a short shaft on both machines between the shuttle and transaxle on the early one and between the torque and shuttle on the later model,go underneath and have a look. AJ
jim	thanks for the help. in my haste the other day the drive is working . i found the pump coupling in the front of the motor [fresh shavings and able to wiggle ] looks like the radiator has to come out to get at it when the rains stop. thanks again
AJ	The hydraulic pump comes off without moving the rad,secure the raised bucket with the safety bar,drain the oil,take the guard off from in front of the pump,take off the pipes,remove the mounting bolts and the pump comes off,you can then undo the four bolts that hold the coupling to the pulley,hope the pump shaft is not damaged. AJ

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