I am looking for wiring diagrams and hydraulic schmatic for a Hitchi EX200LC -3 s/n:14c-79696. When the hydrauic temp reaches 105F the pump pressure and gpm increases and stalls the engine. The standby pressure goes from 500psi to 2000psi.
Optional Information: Make: Hitchi Model: ex200-LC-3 Year: 1994 Already Tried: The customer has replaced the injecctor pump due to a shop advising that. The problem is not the engine but hydraulic system. He is a new owner and now see that the previous owner had replaced the computer and varous sensors. The pump has been removed, disassembled and inspected.
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