5. Remove the retaining ring and air cap. 6. Unscrew the fluid needle tip with fingers. 7. Dip the end of a soft-bristle brush into a compatible solvent. Do not continuously soak the brush’s bristles with solvent, and do not use a wire brush. 8. Clean the front of the spray gun, using a soft-bristle brush and solvent. 9. Scrub the retaining ring, air cap and fluid nozzle with a soft-bristle brush. To clean out air cap holes, use a small brush. 10. Clean the air cap and fluid nozzle after each us

3M™ Series 57ZZ HVLP Automatic Spray Gun Connection Diagram Mounting Hole Fluid Inlet Plug Series 57ZZ-1 Single Fluid Inlet Adjustable Fluid Control Series 57ZZ-2 Dual Fluid Inlet Adjustable Fluid Control Series 57ZZ-3 Single Fluid Inlet Non-Adjustable Fluid Control Atomizing Air Inlet Atomizing Air Inlet Fluid Inlet Fluid Inlet Atomizing Air Inlet Fluid Control Fan Air Control Trigger Air Inlet 3 17 General Set Up and Spray Gun Use cont. 3M™ Series 57UL HVLP Automatic Spray Gun Connection Diagr

Retain these instructions for future reference. Refer to the applicable Material Safety Data Sheet and material container label for each material to be sprayed before using this 3M equipment. Intended Use: Each 3M™ Automatic HVLP Spray Gun is intended for use by professionals who are familiar with the possible applicable safety hazards. They are intended to deliver the desired production speed and finish quality for all commonly used coatings. The spray gun must be set up as specified in the 3M™

3M™ Automatic HVLP Spray Gun Owner’s Manual Series 52 Series 55 Series 56 Series 57 Read Warnings and Instructions This Manual Covers Spray Gun Models 52, 55, 55ZZ, 56, 56ZZ, 57, 57ZZ and 57UL Manual Available upon request in Spanish 3 El manual esta disponible en espanol cuando se lo solicite Table of Contents Topic Page Number Safety Statements ..................................................................................................................................................2 Con

To reduce the risks associated with tripping, falling and tipping: • Route air hoses away from traffic areas. To reduce the risks associated with hazardous air pressure: • Maintain spray equipment per 3M care and cleaning instructions in the applicable owner’s manual. • Ensure air input pressure and all applicator system regulators are properly adjusted prior to each use. • Always follow required air pressure relief procedures for relieving air pressure from the unit. To reduce the risks associa

Broken or missing needle spring. Dried paint on needle. Loose fluid fitting Tighten or replace 39 Spray Equipment Warranty and Limited Remedy 3M™ warrants to the original purchaser that, when used in accordance with 3M’s written instructions, 3M spray equipment will be free of defects in materials and manufacture for one year from the date of purchase. This warranty does not apply to damage or malfunction caused by normal wear, failure to maintain, or by any abuse, accident, tampering, alteratio

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

These spray guns are available with an aluminum gun body or a composite gun body with composite wetted components for zinc compatibility. The technical specifications include 10 cfm air consumption, 1:1 reduction ratio, .” air inlet connection, and a 10 psi maximum inlet air pressure*. These guns are most commonly used for robotic and remote control applications. * Maximum inlet pressure will yield approximately 10 psi at the air cap. 3 6 Contents cont. 3M™ Series 57 HVLP Automatic Spray Gun All