I have a Dynamic Acera sk250 LC, SN LL09-U0732. 2004.
Just had the arm cylinder rebuilt, put it together, ran it on the job for an hour no problems. Than all of a sudden the arm will not stay extended. Leaks down fast. 4to 5 secs. Ive checked joy stick controls,I've swapped #4 and #6 soleniods that are under the tray where the air filter is. Nothing. I've pulled the spools out top, bottom for that cylinder. Moves freely no trash. Not sure what else to check. I am by no means a mechanic. I'm out of ideas. Thanks in advance for any input. Rick
Just had the arm cylinder rebuilt, put it together, ran it on the job for an hour no problems. Than all of a sudden the arm will not stay extended. Leaks down fast. 4to 5 secs. Ive checked joy stick controls,I've swapped #4 and #6 soleniods that are under the tray where the air filter is. Nothing. I've pulled the spools out top, bottom for that cylinder. Moves freely no trash. Not sure what else to check. I am by no means a mechanic. I'm out of ideas. Thanks in advance for any input. Rick
Kobelco SK 250 stick/ arm cylinder leaks down
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