Did you check your fluid level? You may be dangerously low.
What kind of hydraulic system do you have?The 230 was available with two different types. One type was the "Touch Control". Look for rock shaft (arms that will rotate back and forth) under the gas tank. That is that same type of hydraulics found in the 200 and the Super C. There is a screen hydraulic filter that can be serviced (same size and shape found on the 200 and SC, look for a square plate with four bolts and may have a wire coming out of it going to a temperature indicator on the control quadrant). If cleaning that does not help there are some smaller filters and orifices within the unit that may need to be cleaned (the unit needs to be taken apart). The second type of hydraulic system was the "Hydra Touch". That system is similar to what can be found on larger and later model Farmalls and Internationals. The "Hydra Touch" will not have the rocker arms. It may have one set of auxiliary service taps on the left side under the gas tank (not all Hydra Touch had the aux. svc"s). If you have a "Hydra Touch", there were two different types of screen "filters" (lower right side of support unit, ~3" square, with 4 bolts). One had just a fine metal screen that was servicable. The other type had a paper filter element that fit within the screen (again servicable but good luck finding a new filter of correct size). If you have the paper filter type, you might want to converting over to the metal screen type only. Either way, the Hydra Touch screens are the same shape but the screen is not the same shape as the Touch Control"s (not interchangeable). IF cleaning the screens on the "Hydra Touch" does not help, the spool valve has a filter and orifice within it and the safety valve also which again means taking the whole thing apart...
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