DPFM001 FTI Drum Pump Tube Exploded View Diagram Repair Parts Breakdown. Finish Thompson PFM-27 PF Series Plastic Sealless, High Performance Barrel Pumps PDF Manual. Replacement Coupling Insert, Coupling Half, Motor, Bearing Assembly Kit, Main Shaft, Lip Seal. Head, Intake Tube, Shaft Sleeve, O-Ring, Inner Tube, Center Support, Bottom Bearing. Impeller Housing, Impeller Assembly, Housing Cover, Discharge Nut, Spout, Flow Meter.