What should you pay attention to when installing a hydraulic gear pump?

What should you pay attention to when installing a hydraulic gear pump?

After the assembly of the hydraulic system is completed, during startup and operation, it is crucial to adhere to the following steps, avoiding undue haste. Regarding the installation of the gear pump, please consider the following points:

1. Ensure that the hydraulic gear pump is filled with hydraulic oil before installation and rotate the driving gear to allow hydraulic oil to enter the surfaces of other pumps.

2. The main shaft of the gear pump should not bear radial or axial forces and should use a flexible connection. In the case of special conditions involving radial or axial forces, please contact the company for customized solutions.

3. The concentricity between the main shaft of the gear pump and the power input shaft should not exceed 0.1mm. The connecting parts at both ends of the coupling should also ensure concentricity within 0.5mm.

4. The suction height of the gear pump should not exceed 0.5m, and the flow velocity in the oil inlet pipe should be ≤1.5m/s.

5. There should be no air leakage in the gear pump's oil inlet pipe and flange during installation, and the oil tank should not have any bubbles.

6. Before using the gear pump, carefully inspect whether the pump's inlet and outlet ports and the rotation direction are consistent with the label's indicated direction. Do not rotate it in the reverse direction. Verify the dimensions of the gear pump's shaft extension and the connecting dimensions of the power component (pay special attention to the effective length of the pump spline shaft to avoid damage caused by axial forces). Check the dimensions of the front cover mounting flange, gently place the pump into the corresponding hole, and then tighten the bolts. When installing flange blocks or threaded connectors at the inlet and outlet ports, use matching flange blocks, threaded connectors, and screws for installation.

7. If the pump is not used for an extended period, it should be separated from the prime mover and stored appropriately. When using it again, the pump needs to run without load for at least 10 minutes and undergo routine checks.

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