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Dan, Technician
Category: Construction and Road Equipment
Satisfied Customers: 5141
Experience:  17+ yrs. shop and field experience with all major brands of heavy equipment and trucks - 1995 WyoTech graduate.
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I have a EC283 type 283. All the hydraulics work accept the

Customer Question

I have a EC283 type 283. All the hydraulics work accept the joy sticks for the boom and swing. Please respond if you have any solution. Thank you , Chuck
Submitted: 9 months ago.
Category: Construction and Road Equipment
Expert:  Dan replied 9 months ago.

Hi Chuck, My name is***** is your machine serial number? If you only have trouble with those two functions it is likely a control valve issue or a faulty relief valve. Remove the relief valve cartridges for those functions and inspect for damage and damaged o rings. Also verify the control valve spools are fully engaging both directions for those functions as well. Let me know

Expert:  Dan replied 8 months ago.

Hi, Did you get this resolved?

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