An oil gear filler pump is a mechanical device used for transferring lubricating oil or other viscous fluids into gearboxes, engines, hydraulic systems, and industrial machinery. It operates on the principle of positive displacement using meshing gears (driver and driven gear) enclosed in a tight casing. As the gears rotate, they create suction at the inlet and force oil through the outlet under pressure. The pump is typically made of cast iron, steel, or aluminum alloy for strength and durability, and is equipped with inlet/outlet ports, a hand lever or motor drive (depending on type), and sealing components to prevent leakage.
Operation:
To operate an oil gear filler pump, the inlet hose is placed into the oil container while the outlet hose is connected to the equipment to be filled. The pump is then operated either manually (using a handle) or electrically to rotate the gears and draw oil into the chamber. The oil is then pressurized and delivered through the outlet into the target system. The process continues until the required oil level is achieved. After use, the pump should be cleaned, drained of residual oil, and stored properly to prevent clogging, wear, and contamination.
















