When the hydraulic gear pump is installed, the base or bracket should have sufficient rigidity, so that in principle, the hydraulic gear pump should not bear other forces except the torsion force generated by the shaft rotation; the different axial degrees between the connecting shafts Not more than 0.05mm; hydraulic gear pump should run in the calibrated direction of rotation, pay attention to the position of the oil inlet and outlet, the large hole is the oil inlet.
The hydraulic system must be equipped with a safety valve and a remote device. The oil tank must be dust-proof to prevent debris and other debris from entering the oil and cleaned regularly. The oil suction pipeline should be as short as possible, generally not exceeding 500mm, and should be as short as possible. Use elbows sparingly, and oil pipelines must not leak air.
The working fluid is prescribed for use: HC-8# diesel engine oil is used in winter, and HC-11# diesel engine oil is used in summer. The working temperature is -10°C to 70°C.
Installation requirements:
The driving shaft of the pump is not allowed to bear radial force and axial force (for example, the length of the spline sleeve during installation and connection shall not exceed the effective length of the spline of the pump driving shaft, and the power shaft end and coupling sleeve cannot end with the spline of the gear pump shaft extension There is any axial conflict with the steps on the shaft). In special cases, if there are radial force and axial force conditions, please contact the company for special orders.
The installation coaxiality of the pump's driving shaft and the prime mover's output shaft shall not be greater than 0.05mm, and the perpendicularity between the installation plane of the pump support and the stop shall not be greater than 0.05mm. The connecting part at both ends of the coupling sleeve should also ensure the coaxiality within 0.05mm.
The suction height of the pump is not more than 0.5m, and the oil inlet pipe diameter should ensure that the flow rate is less than 2m/s, that is, the oil inlet pipe diameter d≥3.25 (mm), where Q is the pump inlet flow Q (liter) = q·n .
The oil inlet pipe and flange of the pump should not leak air.