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Message: <blockquote data-quote="Fishfiles" data-source="post: 23942" data-attributes="member: 782"><p>When you say the controls get harder to move , do you mean the joysticks are harder to push and pull or the functions like the arm or boom are slower to react or have no power ------I see some similiar on 331's but not actual what you discribe , some will not function at all idling until you raise the throttle up some , I think that is from the pilot (low pressure ) not being high enough at idle ---------picture this , you have 3 stages on the pump , I don't remember the exact break down but it's something like this , one stage works the arm and one track , another section works the boom and the other track , the thrid works the rest , some of one section is used to create pilot pressure by lowering the high pressure down , and the pilot pressure is used to power the joy sticks -------from what I get out of your post I think pilot pressure may be your problem , give some more info</p></blockquote><p></p>