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, I have an 03 Kobelco Sk250lc and the…

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Hi I am ***** *****

Mechanic's Assistant: Thanks. Can you give me any more details about your issue?

I have an 03 Kobelco Sk250lc and the swing is slow and if you put the bucket on the ground to swing it to put dirt back in a hole it wont hardly move a small pile of dirt

Submitted: 2 years ago.Category: Construction and Road Equipment
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Answered in 11 hours by:
2/16/2016
Mechanic: Dan, Technician replied 2 years ago
Dan
Dan, Technician
Category: Construction and Road Equipment
Satisfied Customers: 6,768
Experience: 17+ yrs. shop and field experience with all major brands of heavy equipment and trucks - 1995 WyoTech graduate.
Verified

Hi,It is Dan. I will be glad to try to help. If swing is the only slow function then I would check the swing relief valves in the main control valve and also for excessive case drain pressure in the swing motor indicating a worn swing motor. Try swapping the reliefs with another circuit to see if the problem moves to another circuit with them. Also look for fine metal/debris in the return filter. Let me know

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Category: Construction and Road Equipment
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Experience: 17+ yrs. shop and field experience with all major brands of heavy equipment and trucks - 1995 WyoTech graduate.

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