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Excavator and process for assembling or dissassembling such excavator

  • US 8,807,263 B2
  • Filed: 04/12/2010
  • Issued: 08/19/2014
  • Est. Priority Date: 04/12/2010
  • Status: Active Grant
First Claim
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1. An excavator comprising at least:

  • a frame,a platform disposed on top of the frame,a hydraulic circuit assembly including at least;

    a main pump delivering pressurized fluid,one or more hydraulic actuators,a hydraulic distribution system for distributing pressurized fluid from the main pump to the one or more hydraulic actuators, anda hydraulic pilot circuit comprising at least one manually operated hydraulic pilot valve unit connected to the hydraulic distribution system, andwherein;

    the hydraulic distribution system is received on top of the frame but at least partly below the platform, while the pilot valve unit is at least partly disposed on top of the platform,the pilot valve unit is hydraulically connected to components of the hydraulic distribution system by hydraulic pipes;

    the platform comprises a dedicated hole through which at least part of the pilot valve unit is adapted to be moved;

    the pilot valve unit is fixed, directly or indirectly, on the platform such that the pilot valve unit or the hydraulic pipes extends through the hole;

    wherein the pilot valve unit is adapted to be inserted from below the platform, through the dedicated hole, and is fixed on the platform from above the platform.

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