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Completing the Hitachi EX120-2 hydraulic pump rebuild

The head cover and pilot pump are installed to complete the hydraulic system assembly. Final steps set the pump up for ...
High vibration is a common problem for motors installed on top of vertical pumps. Its source can stem from a mechanical issue with the pump, motor, or coupling — or even hydraulic forces from the pump ...
Converting mechanical energy to fluid form provides the "muscle" in a fluid-power system. The power source is the key element in a fluid-power system. In a pneumatic system the power source is an air ...
Engineers and designers commonly use electric motors to power hydraulic pumps. In some cases, the motor and pump are set up in a direct drive configuration. In others, they are connected using an ...
The rebuild begins with careful preparation of the hydraulic pump and valve plate fitting. The housing is cleaned, prepped, ...