A manual one shot lubricator that includes a spring return piston pump and is operated by pushing a lever which raises a piston and compresses a spring, discharging oil into the system. Discharge volume and pressure are i......A manual one shot lubricator that includes a spring return piston pump and is operated by pushing a lever which raises a piston and compresses a spring, discharging oil into the system. Discharge volume and pressure are independent of oil viscosity.
