Posted by bob masterson on April 16, 2009 at 17:21:49 from (66.151.20.44):
I'd appreciate some advice please. All of a sudden the bucket on our JD 720 utlitiy tractor stopped opening and closing. It moves up and down fine. My first thought was to replace the seals in the control box beneath the seat. Then someone told me it's probably just dirty or obstructed quick connect connectors. So, I took them apart, bled and wiped them clean. Now, the bucket will barely move up and down. What's wrong and how do I fix it!? Is there air in the line and how do I bleed it? How do I know if something is obstructing the flow? How do I clean it out? Do I return to plan A and replace the seals in the control box beneath the seat? I'd appreciate some advice, please. Keep it simple, I'm not a mechanic. Thank you! Bob
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Today's Featured Article - Engine Valves - Some Helpful Information - by Staff. Intake - On the intake stroke the piston moves doward, sucking in carburized fuel through the open intake valve. Exhaust valve is closed. Compression - With both the intake and exhaust valves closed, the pistons upward stroke compresses or squeezes the fuel into the combustion chamber. Firing - Ignited by the spark, the compressed fuel explodes and forces the piston downward on its power stroke. Intake and exhaust valves are closed. Exhaust valves and seats are exp
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