The hydraulic oil pump is composed of a pump body, a rectangular oil tank, a pressure handle, and an ultra-high pressure steel wire braided rubber hose. There are three types of joints: straight-through, self-sealing, and quick joints.
The oil tank is connected to the atmosphere, has a sealing volume, the sealing volume can be alternately changed, and there is an oil distribution device. When repairing, you should pay attention to the cause of wear, especially to check the shaft/bearing. After repairing, pay attention to prevent the leakage of the gear end face