Harbor Freight Tools 64 oz. Professional HVLP Air Spray Gun Kit Product manual
Contents
1. cccsceeeeceeeseseeeeeeeeeseneceesseeees 8 OG FUSS secor ennn ccd ges eee EE vou guaceaeeeusteeveahueseeseecetecwesgessees 10 VANE C VV ANN GS srren iaaa a EEEE Ran EE E 11 Pans CISL arcena nna EE O OEE EA E E E N AEE AEA 12 Assembly Diagram nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnmnnn 13 TE OMENS SOO CNN oer ek tee iai a EEEE 14 Limited 1 Year Warranty ccccccsccceeeeeeeeeeneeeeeeneceeseeeeneeeesenecesseesenseneseees 16 SKU 93305 For technical questions please call 1 800 444 3353 Page 2 Troubleshooting section at end of manual Specifications Inlet PSI 30 43 PSI 43 PSI MAX Average Air Consumption 10 CFM 40 PSI Paint Capacity 2 Quart Air Inlet 1 4 18 NPS Nozzle Size 057 Save This Manual You will need the manual for the safety warnings and precautions assembly instructions operating and maintenance procedures parts list and diagram Keep your invoice with this manual Write the invoice number on the inside of the front cover Keep the manual and invoice in a safe and dry place for future reference 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 before using this tool 1 2 SKU 93305 Keep work area clean Cluttered areas invite injuries Observe work area conditions Do not use mach2. Outlet 39 Safety Valve 2 s Air Inlet Connector 36 Fluid Flow Knob 11 Air Regulator 24 ir Regulator 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 To qualify as HVLP the dynamic air pressure going in the Air Cap must be a maximum of 10 PSI The lower the air pressure the less bounce back and overspray Note Due to the viscosity of latex and other water based paints they are not recommended for use with this or other HVLP High Volume Low Pressure spray ers see FIGURE 3 below FIGURE 3 Conventional E gt SKU 93305 For technical questions please call 1 800 444 3353 Page Troubleshooting section at end of manual g 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 sur
3. of paint close down the Fluid Control Knob 67 slowly checking the mixture after each adjustment See FIGURE 6 below FIGURE 6 Too Coarse Correct Too Fine Tighten Loosen SKU 93305 For technical questions please call 1 800 444 3353 Page 9 Troubleshooting section at end of manual 3 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 Techniques Note Before spraying mask all objects you do not want sprayed and lay cloths not included on the floors i Always keep the gun at right angles to the workpiece See FIGURE 7 Pull the Trigger 78 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 stop the gun for even just a slight pause while spraying the paint will build up and run down the workpiece FIGURE 7 Heavier coat on one side uneven coverage Incorrect Even coverage Correct 90 2 To ensure you don t allow paint to build up start moving the Spray Gun befo
4. open flames pilot lights stoves heaters the air compressor or any other heat source Most solvents and coatings are highly flammable particularly when sprayed Maintain a distance of at least 25 feet from the air compressor If possible locate the air compressor in a separate room Do not smoke while spraying Read all of the information concerning coating products and cleaning solvents Chlorinated solvents e g 1 1 1 Trichlorethylene and Methylene Chloride also Known as methyl chloride can chemically react with aluminum and may explode Many paint sprayers contain aluminum If you have any doubt about potential chemical reactions contact the solvent or coating manufacturer Materials used when painting or cleaning may be harmful or fatal if inhaled or swallowed Only use in an area with adequate ventilation Use a respirator or mask when painting or using cleaning solvents Never release the sprayer lid while the cup is pressurized Industrial applications must follow OSHA requirements Never point a spray gun at a person or animal Serious injury could occur Spraying hazardous materials may result in serious injury or death Do not spray pesticides acids corrosive materials fertilizers and toxic chemicals 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 amp Safety Code 25249 5 et seq Note P
5. AREFULLY THE MANUFACTURER AND OR DISTRIBUTOR HAS PROVIDED THE PARTS DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY NEITHER THE MANUFACTURER NOR DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS QUALI FIED TO MAKE ANY REPAIRS TO THE PRODUCT OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY PARTS OF THE PRODUCT IN FACT THE MANUFACTURER AND OR DISTRIBUTOR EXPRESSLY STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND LICENSED TECHNICIANS AND NOT BY THE BUYER THE BUYERASSUMES ALL RISKAND LIABIL ITY ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO For technical questions please call 1 800 444 3353 SKU 93305 Troubleshooting section at end of manual Page 12 Assembly Diagram i a NOTE Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts For technical questions please call 1 800 444 3353 SKU 93305 Troubleshooting section at end of manual REV 01 07 Page 13 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 Q 1 The Pattern Control Knob 57 is parti
6. CENTRAL PNEUMATIC e TO NO HVLP SPRAY GUN KIT ASSEMBLY and OPERATING INSTRUCTIONS f N HARBOR FREIGHT 4 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 reproduced in any shape or form without the express written consent of Harbor Freight Tools For technical questions and replacement parts please call 1 800 444 3353 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 Contents DCC CAO 1S soras ra E ENEE N E NTE 3 Safety Warnings and Precautions c ccccceeeeeeeeeeeeeeeeenecseeeeeseeeseeeenesenenens 3 TPO AC UN eaer E E A E E EEEE S 5 Air Connection iescccccdnwcaweewie dinatntenetxaunusedennnteocwessavsnse ientuuncstansnwssedengawedncsseventeds 6 COntTOrLaVoU one E e E EEA 6 A Comparison Conventional versus HVLP Spray GuUnS sasssssnsnssnnnnnnns 7 FO al MUON Necro ccc senna esate strc EE E E E E 8 Fan Direction and Pattern Adjustment
7. ally closed Open Pattern Control Knob 57 2 The material is too thick Thin material according to the manufacturer s instructions 3 The air pressure is too low Increase air pressure Make sure air pressure feeding into the pot is within the proper range 30 43 PSI amp air pressure as shown on the Gauge 38 is within the proper range 10 30 PSI Problem 2 l 1 High air pressure Reduce air pressure at gun 2 Not enough fluid Increase fluid 3 Pattern Control Knob 57 open too much Partially close Pattern Control Knob 57 Problem 3 0 v 1 Air Cap plugged Clean the Air Cap 2 Air cap loose or dirty seat Clean and tighten 3 Dried material on fluid tip Use a nonmetallic point to clean the Air Cap Problem 4 1 Dirt on one side of the fluid tip Clean the fluid tip 2 Holes on one side of the Air cap are plugged Clean the Air cap with a nonmetallic point If the steps above do not solve the problem or if the repairs involved are too complex contact a qualified technician SKU 93305 For technical questions please call 1 800 444 3353 Page 14 Troubleshooting continued Problem Cause Solution __ Sputtering Spray Low material level Refill Cup tipped too far Hold upright Clogged Air Vent Clean vent hole Loose fluid inlet connections Tighten Dry or loose fluid needle Lubricate and or tighten Packing Nut Adjust or replace Loose damaged f
8. cal questions please call 1 800 444 3353 Page 16 SKU 93305 Troubleshooting section at end of manual
9. e to follow the manu facturer s directions Most materials will spray readily if they are thinned properly General tips for Preparation 1 Mix and thin the paint materials thoroughly according to the manufacturer s directions Carefully strain the paint material through a paint strainer or piece of cheese cloth Remove un thread the Cup 16 from the Unit Fill the Cup 16 to approximately 3 4 full Thread it back onto the unit Connect the Fluid Hose 40 form the Fluid Outlet 39 to the Fluid Inlet on the Spray Gun Start the air compressor To adjust the spray pattern set up a piece of scrap material to practice on While practicing on the scrap material check to see that the material you are spraying has the appropriate consistency If it appears to thin add a very small amount of thinner not included BE CAREFUL when thinning Proceed slowly adding very minimal amounts NEVER exceed the manufacturer s thinning recommendations Fan Direction and Pattern Adjustment Fan Direction SKU 93305 For technical questions please call 1 800 444 3353 To change the direction of the fan from horizontal to vertical loosen the Lock Ring and turn the Air Cap 45 90 degrees After the adjustment tighten the Lock Ring by hand see FIGURE 4 below Lock Ring Horizontal Fan _ gt FIGURE 4 Air Cap Vertical Fan a i ee Page 8 Troubleshooting section at end of manual g IMPORTANT Before
10. er nonmetal container and flush the metal container Work far away from any ignition sources in a vapor free area After each use 1 Empty the Paint Cup 16 and clean it with the solvent PA Fill the Paint Cup 16 with solvent and spray it through the Gun into a container while shaking the gun Once the Paint Cup 16 is empty repeat the process until the solvent comes out clean Disconnect from the air source After disconnecting be aware that air pressure may still remain in the Spray Gun Point the Gun into the spent solvent container and squeeze the Trigger again to make sure no air remains 3 Remove the Air Cap and soak it in solvent until it is clean Use an old toothbrush and toothpicks to remove any material Do not use metal objects to clean the Air Cap or you may damage the drilled passages Inspect the fluid needle and make sure itis not bent If it is bent have it replaced by a certified service technician Warning Do not immerse the Spray Gun Body in solvent 4 Use the appropriate solvent depending on the material sprayed to wipe down the Gun body 5 Always lubricate the Spray Gun after cleaning You may use a non silicon oil or a light lubricant on all threaded connections prior to storing the unit 6 Disposal After cleaning your Spray Gun properly dispose of your cleaning solutions according to the solution manufacturer s direction and local hazardous waste standards SKU 93305 For technical quest
11. erformance of the compressor if powered by line voltage may vary depending on variations in local line voltage Extension cord usage may also affect tool perfor mance WARNING The warnings cautions and instructions discussed in this instruction manual cannot cover all possible conditions and situations that may occur It must be understood by the operator that common sense and caution are factors which cannot be built into this product but must be supplied by the operator Unpacking When unpacking check to make sure the product is intact and undamaged If any parts are missing or broken please call Harbor Freight Tools at the number on the cover of this manual as soon as possible SKU 93305 For technical questions please call 1 800 444 3353 Troubleshooting section at end of manual Page 5 Air Connection Waier Oil Air Removal Hose Line a arai fi AiR Ea g A T COMPRESSOR Ve C3 1 4 NPS Connector Air Hose A on Reel Regulator Recommended Air Line Components 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 c
12. idents repairs or alterations outside our facilities criminal activity im proper installation normal wear and tear or to lack of maintenance We shall in no event be liable for death injuries to persons or property or for incidental contingent special or consequential damages arising from the use of our product Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation of exclusion may not apply to you THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTH ER WARRANTIES EXPRESS OR IMPLIED INCLUDING THE WARRANTIES OF MER CHANTABILITY AND FITNESS To take advantage of this warranty the product or part must be returned to us with transpor tation charges prepaid Proof of purchase date and an explanation of the complaint must accompany the merchandise If our inspection verifies the defect we will either repair or replace the product at our election or we may elect to refund the purchase price if we can not readily and quickly provide you with a replacement We will return repaired products at our expense but if we determine there is no defect or that the defect resulted from causes not within the scope of our warranty then you must bear the cost of returning the product This warranty gives you specific legal rights and you may also have other rights which vary from state to state 3491 Mission Oaks Blvd PO Box 6009 Camarillo CA 93011 800 444 3353 REV 08c For techni
13. ines 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 Keep children away Children must never be allowed in the work area Do not let them handle machines tools extension cords or air hoses Store idle equipment When not in use tools must be stored in a dry location to inhibit rust Always lock up tools and keep out of reach of children Use the right tool for the job Do not attempt to force a small tool or attachment to do the work of a larger industrial tool There are certain applications for which this tool was designed It will do the job better and more safely at the rate for which it was intended Do not modify this tool and do not use this tool for a purpose for which it was not intended Dress properly Do not wear loose clothing or jewelry as they can be caught in moving parts Protective electrically nonconductive clothes and nonskid footwear are recommended when working Wear restrictive hair covering to contain long hair Use eye and ear protection Always wear ANSI approved impact safety goggles Always wear an ANSI approved dust mask or respirator when using this Spray Gun For technical questions please call 1 800 444 3353 Troubleshooting section at end of manual Page 3 10 11 12 13 14 15 16 17 18 19 SKU 93305 Do not overreach Keep proper footing and balance at all
14. ions please call 1 800 444 3353 Page 11 Troubleshooting section at end of manual m Parts List Description Description Handle Fluid Hose Safety Valve Air Hose Red Lock Nut Spring Ring Lock Ring Valve Gasket Valve Gasket Air Cap Set Valve Seat Fluid Nozzle Connector Seat CO CO N O07 BY Go PO D Screw Sealing Gasket Nut Packing Nut Fluid Flow Knob Sealing Screw Spring Gasket Cap Gun Body Suction Tube Needle Gasket Needle Adapter Cup Spring Rivet Fixed Screw Gasket Pattern Control Knob Tube Rivet Screw Gasket Spring Rivet Qty 2 Sealing Screw Adjusting Level E clip Valve Seat Air Regulator Lock Nut Spring Rivet Air Adjusting Seat Air Adjusting Valve Spring Seat Air Adjusting Seat O ring Fluid Control Knob Spring Seat Gasket Air Adjusting Screw E clip Sealing Nut Fan Adjusting Screw Sealing Gasket Fan Adjusting Stopper Valve Gasket Nut O ring Air Adjustment Knob Needle Seat Rivet Air Needle E clip Spring Trigger Stud Connector Qty 2 Trigger Stud Gauge Seat Trigger Gauge Fluid Connector Fluid Outlet Valve Air Inlet Parts 24 through 35 and 37 are available as a kit PLEASE READ THE FOLLOWING C
15. lose to the Spray Gun as possible If run through the Gun water and oil will cause damage le You will need to prepare a 1 4 air connector sold separately to connect to the air inlet on the Spray Gun First wrap the 1 4 air connector not included with pipe thread seal tape before threading it into the Air Inlet 36 Connect the Red Air Hose 41 to the Air Outlet Connector 36 Attach the other end of the Red Air Hose 41 to the Air Inlet 80 on the Gun 2 Set the air pressure on your compressor to 30 43 PSI Do not exceed the maximum air pressure of 43 PSI Also set the air pressure on the Air Regulator to 10 30 PSI as shown on the Gauge 38 3 Check the air connection for leaks and then disconnect the tool from the air source Control Layout Air Adjustment Knob 73 FIGURE 1 nP P D4 Pattern Control Knob 57 i ENN JF ai j Air Cap Set 45 Fluid Control Knob 67 Fluid Inlet Trigger 78 a pir Inlet 80 SKU 93305 For technical questions please call 1 800 444 3353 Page 6 Troubleshooting section at end of manual 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 FIGURE 2 Fluid
16. luid tip seat Will Not Spray No pressure at gun Check air hoses Fluid control not open enough Open fluid control Fluid too thick Thin fluid or increase pressure Overspray Improper application speed Move moderately and parallel Improper distance from Adjust distance workpiece Too much pressure Reduce air pressure Dirty tip Clean Tight Packing Nut Loosen Packing Nut Fluid Tip Leakage Broken fluid needle spring Replace Worn or damaged tip Replace tip and or needle Air Leaking from Air Cap Dirty air valve seat Clean Sticking air valve Lubricate Damaged air valve spring Replace Worn damaged air valve seat Replace OBR ODM BAIR n gt j Bent valve stem Fluid Leaking from Packing Nut 1 Packing Nut loose Tighten without restricting Packing worn or dry Replace or lubricate non If the steps above do not solve the problem or if the repairs involved are too complex contact a qualified technician SKU 93305 For technical questions please call 1 800 444 3353 Page 15 90 Day Warranty Harbor Freight Tools Co makes every effort to assure that its products meet high quality and durability standards and warrants to the original purchaser that this product is free from defects in materials and workmanship for the period of 90 days from the date of pur chase This warranty does not apply to damage due directly or indirectly to misuse abuse negligence or acc
17. nd accessories When servicing use only identical replacement parts Use of any other parts will void the warranty Only use accessories intended for use with this tool Approved accessories are available from Harbor Freight Tools Do not operate tool if under the influence of alcohol or drugs Read warning labels if taking prescription medicine to determine if your judgement or reflexes are impaired while taking drugs If there is any doubt do not operate the tool Use proper size and type extension cord If an extension cord is required for the compressor it must be of the proper size and type to supply the correct current to the compressor without heating up Otherwise the extension cord could melt and catch fire or cause electrical damage to the compressor Check your compressor s manual for the appropriate size cord Maintenance For your safety maintenance should be performed regularly by a qualified technician and the unit must be thoroughly cleaned out after every use Improper cleaning of the Spray Gun is a common reason for the Spray Gun to jam or not perform properly Compressed air only Never use combustible gas as a power source Never exceed the recommended operating pressure of the any of the parts i e hoses fittings gun For technical questions please call 1 800 444 3353 Troubleshooting section at end of manual Page 4 20 21 22 Zo 24 29 26 2T of the Sprayer system Do not spray near
18. re you Squeeze the Trigger 78 When you are finished spraying release the Trigger 78 before you stop moving the Spray Gun Doing so will eliminate distinct overlaps producing a blended feathered affect See FIGURE 8 below loool Begin t T End Stroke Trigger 78 FIGURE 8 Trigger 78 Stroke Top View Note The speed ofthe stroke the adjustment of the Fluid Control Knob 67 and the distance from the workpiece will determine how much paint is being applied To get the best results try to apply two thin coats of paint versus one thick coat 3 Clean out the gun thoroughly after EVERY use according to the instructions found on the next page SKU 93305 For technical questions please call 1 800 444 3353 Page 10 Troubleshooting section at end of manual Maintenance SOLVENT SELECTION Always follow the paint manufacturer s recommendations for cleaning solvent type and disposing of used solvent Note Due to the viscosity of latex and other water based paints they are not recom mended for use with this or other HVLP High Volume Low Pressure sprayers Oil Based Paints Use mineral spirits IF AFLAMMABLE SOLVENT NEEDS TO BE USED ADHERE TO THE FOLLOWING 1 Follow all of the solvent manufacturer s clean up instructions and safety precautions at all times Always flush the Spray Gun a full hose length from the air compres sor lf collecting flushed solvents into a metal container transfer into a larg
19. times Do not reach over or across running machines or air hoses Maintain tools with care Keep tools clean for better and safer performance Follow instructions for lubricating and changing accessories Inspect tool cords and air hoses periodically and if damaged have them repaired by an authorized technician The handle must be kept clean dry and free from oil and grease at all times Disconnect air supply Disconnect air hose when not in use when changing accessories and during maintenance Remove adjusting wrenches Check that adjusting wrenches are removed from the tool before attaching to the air source Avoid unintentional starting Be sure the trigger is in the Off position when not in use and before attaching to the air source Do not carry any tool with your finger on the trigger whether it is attached to the air compressor or not Stay alert Watch what you are doing use common sense Do not operate any tool when you are tired 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 Replacement parts a
20. 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 Pattern Adjustment Warning Never exceed the Maximum Inlet PSI of 43 PSI 1 Adjust the Gauge 38 pressure to 10 30 PSI using the Air Regulator 24 If you need to reduce the air pressure for specific areas adjust the Air Adjustment Knob 73 2 To set the pattern size specific to the job use the Pattern Control Knob 57 see FIG URE 1 on page 6 By turning it counterclockwise all the way open the pattern will flatten Turn the Pattern Control Knob 57 clockwise for a round pattern see FIGURE 5 below FIGURE 5 QC Flat Open pam Round Closed 9 Close the Fluid Control Knob 67 and fully open the Fluid Flow Knob 11 See FIGURE 1 on page 6 4 After setting up a piece of scrap material squeeze the Trigger 78 in short bursts while turning the Fluid Control Knob 67 counterclockwise and observe the spray patterns until you see the pattern you want Also look at the pattern for consistency Too much air may cause the spray to come out too fine Reduce the air pressure or allow more material to come out by opening the Fluid Control Knob 67 If the spray appears too thick you see globs
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