Dexta lift arms slightly dropping
Posted: Sun May 05, 2013 10:24 pm
Good day,
I have a '60 dexta and I may have a problem with the hydraulics system, but as I am pretty new to this I have no idea how to diagnose this properly...
Overall, the lift arms work just fine, they follow the movement of the quadrant lever nice and the response is fast. However with a certain load it seems that they slowly loose height, and then move up again. It takes around 20-25 seconds to drop half an inch, and then they are pumped up again.
I guess this isn't they way it should behave? I know there are some valves inside the hydraulic system, but I have no idea what could cause these symptoms?
Just for information: I recently changed the oil in the rear axle and what came out of it was a caramel colored mixture of oil and water (I think...). The axle is now filled with mineral 20W50 oil.
There's also a mild whining noise coming from the hydraulics pump. Is this ok or should it be absolutely "quiet"?
Any help is appreciated!
Thanks and Best regards
I have a '60 dexta and I may have a problem with the hydraulics system, but as I am pretty new to this I have no idea how to diagnose this properly...
Overall, the lift arms work just fine, they follow the movement of the quadrant lever nice and the response is fast. However with a certain load it seems that they slowly loose height, and then move up again. It takes around 20-25 seconds to drop half an inch, and then they are pumped up again.
I guess this isn't they way it should behave? I know there are some valves inside the hydraulic system, but I have no idea what could cause these symptoms?
Just for information: I recently changed the oil in the rear axle and what came out of it was a caramel colored mixture of oil and water (I think...). The axle is now filled with mineral 20W50 oil.
There's also a mild whining noise coming from the hydraulics pump. Is this ok or should it be absolutely "quiet"?
Any help is appreciated!
Thanks and Best regards