The Function of Charge Pump
in Closed System
- Provide cooling oil to the system and lower the temperature of the hydraulic system.
- Maintain the pressure on the main system loop.
- Provide controllable pressure to the control loop.
- To supplement the oil loss caused by internal leakage, and to avoid damaging the transmission under any driving and braking condition.
How to Install Charge Pump Correctly ?
NO. 1
Pay attention to the chamfering direction of the large and small gear rotor to avoid reverse installation of the charge pump.
NO. 3
The contact surface of charge pump and the main pump must be flat and free of impurities.
NO. 5
Check the guide copper sleeve before and after the charge pump for serious wear and replace it if necessary.
NO. 2
The correct direction of the charge pump can not only cover the crescent position but also install the screw normally.
NO. 4
The sealing ring on the installation surface of the charge pump must be of the right size.
NO. 6
The flushing pressure of the main pump will also affect the pressure and service life of the charge pump.
Check SANF Charge Pumps
A4VG125 Charge Pump
A10V028 Charge Pump
