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I am new to this site. I have a 1000Z Ferris mower. It is an older mower and it has begun to be jerky when you engage the hydros. I have ordered new stabilizers to go on the control levers. Hoping this will help this problem.

Welcome to LawnWorld!

I moved your thread to the Ferris forum. :smile:

Do both wheels jerk? Try engaging each side seperately. I'm thinking hydro valve problem. There might be an adjustment that can cure it. gregjo1948

I installed the new stabilizers and they helped the problem considerably. It did seem to be a problem with both hydros. Is the adjustment that you are talking about on the control levers or is there more adjustments that I don't know about. thanks for answering my post.

I'm don't know if there is any valve adjustment on your pumps or your drive motors. An owners manual might tell or a shop manual would certainly explain any adjustment there might be.There should be adjustment on the linkage for your drive/steering levers. This adjustment can be used to keep both drive wheels driving at the same speed when fully engaged so that you don't drift to one side or the other. gregjo1948

There is a few Adjustments you can do on the pump also

utmower said:

I am new to this site. I have a 1000Z Ferris mower. It is an older mower and it has begun to be jerky when you engage the hydros. I have ordered new stabilizers to go on the control levers. Hoping this will help this problem.

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I had the same issue. I replaced the dampeners that connect to the lever arms. Problem solved. about $78.