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Professional Spray Gun Kit
93312
ASSEMBLY and OPERATING INSTRUCTIONS
Due to continuing improvements, actual product may differ slightly from the product described herein.
®
3491 Mission Oaks Blvd., Camarillo, CA 93011
Visit our Web site at http://www.harborfreight.com
TO PREVENT SERIOUS INJURY,
READ AND UNDERSTAND ALL WARNINGS
AND INSTRUCTIONS BEFORE USE.
© ®
Copyright 2005 by Harbor Freight Tools . All rights reserved. No portion of this manual or any
artwork contained herein may be reproduce
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Contents Specifications ................................................................................................................. 2 Safety Warnings and Precautions ................................................................................. 3 Unpacking .......................................................................................................................5 Air Connection...................................................................................................
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Safety Warnings and Precautions WARNING: When using tool, basic safety precautions should always be followed to reduce the risk of personal injury and damage to equipment. Read all instructions be- fore using this tool! 1. Keep work area clean. Cluttered areas invite injuries. 2. Observe work area conditions. Do not use machines or power tools in damp or wet locations. Don’t expose to rain. Keep work area well lit. Do not use air tools in the presence of flammable gases or liquids. 3. Keep
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14. Check for damaged parts. Before using any tool, any part that appears damaged should be carefully checked to determine that it will operate properly and perform its intended function. Check for alignment and binding of moving parts; any broken parts or mounting fixtures; and any other condition that may affect proper operation. Any part that is damaged should be properly repaired or replaced by a qualified technician. Do not use the tool if the trigger does not operate properly. 15. Replace
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26. Spraying hazardous materials may result in serious injury or death. Do not spray pesticides, acids, corrosive materials, fertilizers, and toxic chemicals. 27. WARNING: The brass components of this product contain lead, a chemical known to the State of California to cause birth defects (or other reproductive harm). (California Health & Safety Code § 25249.5, et seq.) Note: Performance of the compressor (if powered by line voltage) may vary depending on variations in local line voltage. Exte
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Air Connection For best service you should incorporate a regulator and inline filter, as shown in the diagram above. Hoses, couplers, regulators, and filters are all available at Harbor Freight Tools. Note: Compressor pumps discharge condensed water, oil, or other contaminants along with the compressed air. Condensation causes “fish eyes” to appear in paint patterns. To avoid this problem, install water/oil removal filters and controls (not included) as close to the Spray Gun as possible. I
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FIGURE 2 Fluid Outlet (39) Air Inlet Connector (36) Safety Valve (2) Fluid Flow Knob (11) Air Regulator (24) Air Outlet Connector (36) A Comparison: Conventional versus HVLP Spray Guns Because conventional spray guns require a much higher air cap pressure to atomize the paint than HVLP Spray Guns, conventional guns have lower transfer efficiencies and more overspray. This translates to a significant paint/material savings for HVLP guns, in addition to making them more environmentally friendly. T
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IMPORTANT: Before using for the first time, the spray gun must be cleaned using a solvent based thinner. If not removed, the red oil used by the manufacturer for testing and corrosion protection may contaminate paint. IMPORTANT: The Spray Gun must be cleaned immediately after use. Improper cleaning is a common reason for the Spray Gun not to work. Preparation Note: Proper paint material mixture helps to ensure less problems. Be sure to follow the manufacturer’s directions. Most materials w
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Pattern Adjustment Warning!! Never exceed the Maximum Inlet PSI of 70 PSI. 1. Remember that the air pressure feeding the gun should be set to 10-30 PSI, using the Air Regulator (24). 2. To set the pattern size specific to the job, use the Pattern Control Knob (65) (see FIGURE 1 on page 6). By turning it counterclockwise (all the way open), the pattern will flatten. Turn the Pattern Control Knob (65) clockwise for a round pattern. See FIGURE 5 below. FIGURE 5 Flat/Open Round/Closed 3. Open the
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Techniques Note: Before spraying, mask all objects you do not want sprayed and lay cloths (not included) on the floors. 1. Always keep the gun at right angles to the workpiece (See FIGURE 7). Pull the Trigger (52) slowly and move the Spray Gun in parallel strokes to the object being painted. Keep the distance from the object being painted at 6” to 9”. This may slightly differ depending on the flow adjustment and the material being sprayed. Do not stop the gun movement while spraying. If you
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Maintenance SOLVENT SELECTION Always follow the paint manufacturer’s recommendations for cleaning, solvent type, and disposing of used solvent. Latex Paints: Use warm, soapy water. IMPORTANT: Do not use mineral spirits on latex paints or the mixture will congeal making it very difficult to remove. Oil Based Paints: Use mineral spirits. IF A FLAMMABLE SOLVENT NEEDS TO BE USED, ADHERE TO THE FOLLOWING: 1. Follow all of the solvent manufacturer’s clean up instructions and safety precautions at a
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Parts List Part No. Description Part No. Description 1 Handle 40 Fluid Hose 2 Safety Valve 41 Air Hose (Red) 3 Lock Nut 42 Fluid Nozzle 4 Spring 43 Lock Ring 5 Valve 44 Gasket 6 Valve Gasket 45 Locking Knob 7 Valve Seat 46 Air Cap Set 8 Connector 47 Sealing Gasket 9 Screw 48 Sealing Gasket 10 Nut 49 Packing Nut 11 Fluid Flow Knob 50 Trigger Pin 12 Spring 51 Clip 13 Cap 52 Trigger 14 Suction Tube 53 Needle 15 Gasket 54 Needle Seat 16 Cup 55 Needle Pusher 17 Rivet 56 Gasket 18 Gasket 57 Spring Sea
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Assembly Diagram For technical questions, please call 1-800-444-3353; SKU 93312 Page 13 Troubleshooting section at end of manual.
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Troubleshooting Spray Pattern Diagnosis The Patterns below resemble symptoms of spray pattern problems. Please refer to the accompanying possible problems if you are experiencing similar difficulties. The solution to each problem follows the problem in parentheses. Problem 1: 1. The Pattern Control Knob (65) is partially closed. (Open Pattern Control Knob (65).) 2. The material is too thick. (Thin material according to the manufacturer’s instructions.) 3. The air pressure is too low. (Increas
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Troubleshooting (continued) Problem Cause Solution 1. Low material level 1. Refill 2. Cup tipped too far 2. Hold upright 3. Clogged Air Vent 3. Clean vent hole Sputtering Spray 4. Loose fluid inlet connections 4. Tighten 5. Dry or loose fluid needle Packing Nut 5. Lubricate and/or tighten 6. Loose/damaged fluid tip/seat 6. Adjust or replace 1. No pressure at gun 1. Check air hoses Will Not Spray 2. Fluid control not open enough 2. Open fluid control 3. Fluid too thick 3. Thin
