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  1. A

    Hitachi Ex120 Problem

    Thanks for the fuel line info. I will remember this.
  2. A

    Hitachi Ex120 Problem

    490e We have replaced the pump drive in a 490E and are now having trouble with the up boom function. No solenoids or sensors were removed from pump and all wires were carefully marked and replaced. All other functions work correctly. At idle it lifts fine but as soon as engine revs boom...
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