Air Pump

Pump is of the vane type, closed by a cast iron cover in the rear. The rotor is mounted off center in the cylindrical bore of the housing. Arranged in the center of the rotor are two plastic blades mounted centrically to the cylinder bore and dividing space between bore and rotor into two chambers. One rotor bearing located in the front of the housing incorporates a hub attached to the rotor shaft. Centrifugal air filter and drive pulley are mounted to this hub. A second rotor bearing is placed in the rear cover which also incorporates the air outlet. A pressure check valve is mounted on the side of the housing.