| 摘要 |
An excavator includes a frame, and a platform on top of the frame. A hydraulic distribution system is received on top of the frame but below the platform. A pilot valve unit is at least partly received on top of the platform. The platform includes a dedicated hole capable of receiving therethrough at least that part of the pilot valve unit which is received on top of the platform. The pilot valve unit is fixed, directly or indirectly, on the platform. The pilot valve unit can be mounted from below the platform, through the dedicated hole, and is fixed on the platform from above the platform.
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