Piston pump HAP-P

oilmanualmobile

Lubricator 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. Operation Lubricator includes a spring return piston pump in a plastic reservoir. Pulling up slowly on the lever handle to the stop fi lls the cylinder with a predetermined volume of oil. Upon release, spring pressure discharges the oil into the system and returns the handle to the original position. Lubricator must be operated at intervals recommended by machine manufacturer. Maintenance Filter Replacement A fi lter at pump inlet protects the lubricating system and should be inspected every six months. If not clean, replace. To remove fi lter, pry out snap ring with screwdriver and remove fi lter disc and screens. To re-install, insert in the following order: fi lter disc support (coarse screen), fi lter disc screen (fi ne screen), fi lter disc, fi lter clamp ring and fi lter snap ring.