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Dan
Dan, Technician
Category: Construction and Road Equipment
Satisfied Customers: 4383
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 a D155AX-5 komatsu steering system and

Customer Question

What causes a D155AX-5 komatsu steering system and hydraulics to overheat?
Submitted: 11 months ago.
Category: Construction and Road Equipment
Expert:  Dan replied 11 months ago.

Hi my name is***** will be glad to try to help. check your filters for metal indicating a pump or component failure. Most commonly it will be the pump that if it has failed would cause an overheating condition or a restricted return which would be from metal/debris in the system from a component failure. I recommend testing your pressures in accordance to the shop manual. Click this link for a manual available for under 10 dollars in PDF format for download.

Shop Manual

Expert:  Dan replied 11 months ago.

Hi, Did you get this resolved?

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