
12. Install the retaining ring and air cap. 13. Dampen a soft cloth with solvent and wring-out the excess. Wipe off the outside of the spray gun. 3 20 3M™ Series 52 HVLP Automatic Spray Gun Parts Identification 2, 2* 21 3M™ Series 52 HVLP Automatic Spray Gun Parts Identification Item Description Replacement PN 1 Retaining Ring 91-043 2 Air Cap (Composite) 91-009-XXX 2* Air Cap (Aluminum) 91-071-XXX 3 Fluid Nozzle 4 Fluid Fitting 95-025 5 O-Ring 6 Flat Head Screw 7 Air Manifold 95-002 8 Set Screw