0103-502 Repair Parts, Lutz Polypropylene Mechanical Seal Drum Pump Tube with High Volume Rotor, Exploded View Part Breakdown Diagram. PP 41-R-MS SS 1200mm PDF Manual. Replacement Drive Shaft, Inner & Outer Tube, Bearing Unit, Connecting Head, Coupling Cpl. Snap Ring, O-Ring, Shaft Tube Guide, Hose Connector, Wing Nut. Outrun Piece, Pump Foot, Hand Wheel & Sliding Ring Holder With Mounting Tip.