DEFV007 FTI Drum Pump Kit Exploded View Diagram Repair Parts Breakdown. Finish Thompson EF Series Plastic Sealless, Economy Medium Performance Tube EFV-40 with S4 Air Motor PDF Manual. Shaft Replacement Kit, Coupling Insert, Coupling Half, Bearing. Seal, Head, Flat Washer, O-Ring, Spout, Nut, Inner Tube, Center Support. Diffuser w/PTFE Bushing, Shaft Sleeve, Intake Tube, Impeller, Diffuser Cover, Nozzle, Wall Mount Bracket.