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Dan
Dan, Technician
Category: Construction and Road Equipment
Satisfied Customers: 5173
Experience:  17+ yrs. shop and field experience with all major brands of heavy equipment and trucks - 1995 WyoTech graduate.
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What causes the boom to extend outb all the way and staye in

Customer Question

What causes the boom to extend outb all the way and staye in a locked out position and will not release . How do I correct this problem?
Submitted: 1 year ago.
Category: Construction and Road Equipment
Expert:  Dan replied 1 year ago.

Hi Steve, My name is***** is the make model and serial number of your machine?

Customer: replied 1 year ago.
Let me get back on site and I will follow up . Thanks Steve
Expert:  Dan replied 1 year ago.

Sounds good. need to know what type of machine and make/ model info to better assist you

Expert:  Dan replied 1 year ago.

Hi Steve, Did you get this resolved or still need help?

Customer: replied 1 year ago.
I was able to get a service guy to come out that works on volvos . It's in the flow line that works off the joystick . I believe he has gotten it figured out . Thanks and I will follow up in the future if anything else is needed. Steve caraway
Expert:  Dan replied 1 year ago.

Ok thanks for the update. I will get this closed out for you.

Expert:  Dan replied 1 year ago.

Sounds like a pilot pressure control problem from what you are describing. Is this a crane or an excavator?

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