Rexroth hydraulic pumps - precautions for the use of hydraulic pumps

Create Date: 2024-8-30 12:03:23|Source: Rexroth/Rexroth

1. When the hydraulic pump is started, it should be jogged several times, and after the oil flow direction and sound are normal, it should run under low pressure for 5-10min, and then put into normal operation. Before the piston pump is started, the pump must be filled with clean working oil through the oil drain port on the casing.

2. The viscosity of the oil is affected by the temperature and changes, and the viscosity decreases when the oil temperature increases, so the oil temperature is required to be kept below 60 °C. It is recommended to use L-HM32 or L-HM46 (GB11118.1-94) anti-wear hydraulic oil.

3. The oil must be clean, not mixed with mechanical impurities and corrosive substances, and the hydraulic system without a filter device on the suction pipeline must be refueled to the oil tank through the oil filter truck (filtration accuracy less than 25μm).

4. The maximum pressure and maximum speed of the hydraulic pump refer to the peak value allowed in a short period of time in use, and long-term use should be avoided, otherwise it will affect the life of the hydraulic pump.

5. The normal working oil temperature of the hydraulic pump is 15-65 °C, the maximum temperature on the pump casing is generally 10-20 °C higher than the oil temperature at the pump inlet in the oil tank, and when the oil temperature in the oil tank reaches 65 °C, the maximum temperature on the pump casing does not exceed 75-85 °C.
Rexroth hydraulic pumps - precautions for the use of hydraulic pumps

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