Harbor Freight Tools 30224 User's Manual
Contents
1. 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 and 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 thorou2. 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 Performance 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 SKU 30224 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 Ki BEW ii AIR F kapanda Lan fie OF COMPRESSOR C3 1 4 NPS Connector Air Hose 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 fi
3. not immerse the Spray Gun Body in solvent 4 Use the appropriate solvent depending on the material sprayed to wipe down the Gun body 9 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 For technical questions please call 1 800 444 3353 Sn ees Troubleshooting section at end of manual Page 11 Parts List Part Description atv Part Description atv Part Description QTY ris AirCapset t 0 178 Assembly 1720 92 Body 1 r2 booking 1 18 Retainer 1 94 Gasket 1 ra Ziering 1 19 Seve 1 95 Spring 1 re Screw 1 2 Howing 1 98 miog 1 pea este a0 Arimiet ref stem ape Loom 1 S o stem a s Looknt 1 41 Siphon tube 1 rio Waster af o fe vee N Cowhide Washer luid Needle Packing Packing Nut Od a o Pattern Control Knob Fluid Control Knob Lid Gasket F i Vent Cap PLEASE READ THE FOLLOWING CAREFULLY 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 QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT O
4. 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 See FIGURE 2 below Conventional D m FIGURE 2 Preparation Note Proper paint material mixture helps to ensure less problems Be sure to follow the manufacturer s directions Most materials will spray readily if they are thinned properly General tips for Preparation 1 SKU 30224 Mix and thin the paint materials thoroughly according to the manufacturers directions Carefully strain the paint material through a paint strainer or piece of cheese cloth Swing the Cup Locking Lever 44 out of the locked position to remove the Cup 47 from the Unit Fill the Cup 47 to approximately 3 4 full Place the Cup 47 back on the unit and swing the Cup Locking Lever 44 to the locked position 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 For technical questions please call 1 800 444
5. 3353 Troubleshooting section at end of manual Page 7 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 Fan Direction and Pattern Adjustment Note Always make sure the Vent 48 is clear and unclogged Fan Direction To change the direction of the fan from horizontal to vertical loosen the Lock Ring and turn the Air Cap 1S 90 degrees After the adjustment tighten the Lock Ring by hand See FIGURE 3 below Lock Ring Horizontal Fan E gt FIGURE 3 Air Cap Vertical Fan Pattern Adjustment Warning Never exceed the Maximum Inlet PSI of 80 PSI 1 If you need to reduce the air pressure for specific areas adjust the air compressor 2 To set the pattern size specific to the job use the Pattern Control Knob 13 see FIGURE 1 on page 6 By turning it counterclockwise all the way open the pattern will flatten Turn the Pattern Control Knob 13 clockwise for a round pattern See FIGURE 4 below FIGURE 4 J Flat Open n e Round Closed REV 10 06 For technical questions please call 1 800 444 3353 Page 8 en ees Troubleshooting section at end of manual Fan Direction and Pattern Adjustment
6. CENTRAL PNEUMATIC _ A OS s PAINT SPRAY GUN Mlole 31 30224 ASSEMBLY AND OPERATING INSTRUCTIONS D Due to continuing improvements actual product may differ slightly from the product described herein Distributed Exclusively by g HARBOR FREIGHT 1 4 TOOLS 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 1997 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 Manual Updated 09 05 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 OTD AG ING reos Ea EE nenteseestensnscedeanesanenevecgenaeccnes penance 2 DIOS GUI CAN OINS icsccaces tesa cee enwcenneeeccanieeeseecscessdesanecacnsgeesseeseeassausuecssdessenesauseesseesueus 3 Safety Warnings and Precautions ccc ccceseceeseeeeeeneeces
7. R 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 BUYER ASSUMES ALL RISK AND LIABILITY 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 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 en ees Troubleshooting section at end of manual Page 12 Assembly Diagram For technical questions please call 1 800 444 3353 en ees Troubleshooting section at end of manual 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 13 is partially closed Open Pattern Control Knob 13 2 The material is too thick Thin material according to the manufacturer s instructions 3 The air pressure is too low Increase air pressure within the Maximum PSI 80 Problem 2 l 1 High air pressure Reduce air pressure 2 Not enough flu
8. apy 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 all times Always flush the Spray Gun a full hose length from the air compressor If collecting flushed solvents into a metal container transfer into a larger 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 47 and clean it with the solvent 2 Fill the Paint Cup 47 with solvent and spray it through the Gun into a container while shaking the gun Once the Paint Cup 47 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 it is not bent If it is bent have it replaced by a certified service technician Warning Do
9. continued 3 Turn the Fluid Control Knob 29 clockwise until it is fully closed See FIGURE 1 on page 6 4 After setting up a piece of scrap material squeeze the Trigger 38 in short bursts while turning the Fluid Control Knob 29 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 29 If the spray appears too thick you see globs of paint close down the Fluid Control Knob 29 slowly checking the mixture after each adjustment See FIGURE 5 below FIGURE 5 Too Coarse Correct Too Fine Tighten Loosen For technical questions please call 1 800 444 3353 en ees Troubleshooting section at end of manual Page 9 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 6 Pull the Trigger 38 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 w
10. es 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 SKU 30224 Do not overreach Keep proper footing and balance at all 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
11. esenseeesennseeesesenees 3 PA CONNECUON serrera anaE AAEE AER 6 CONTOILLIVOUL wai cecirecs ote ceacceceesniecenaaeaveusssushecetssccadesssnsesieneencdainsasteceeananecestenssaee 6 A Comparison Conventional versus HVLP Spray Guns s0essee0e 7 Preparato niece cccanciessseceasenuaescvee aucsesanenese ssa eacessequecscsnsssenieesecaicesssaueaeernsessesssuees 7 Fan Direction and Pattern Adjustment ccccecesceeseeeseeesensseeseeseenseeeees 8 TC SS acacia sete cas EE E EAEE 10 IVI ANRC e sarena Eai 11 Parts CIS eero rn E E E E 12 Assembly Diagram s snnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnna 13 Troubleshooting s sssnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn mnnn 14 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 REV 10 06 For technical questions please call 1 800 444 3353 Page 2 en ees Troubleshooting section at end of manual Specifications Inlet PSI Range 30 80 PSI 80 PSI Max Air Consumption 11 5 CFM Paint Capacity 1 Quart Air Inlet 1 4 18NPS Nozzle Size 071 Feed Type Siphon 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 you
12. ghly 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 For technical questions please call 1 800 444 3353 Troubleshooting section at end of manual Page 4 19 20 21 22 23 24 25 26 27 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 of the Sprayer system Do not spray near 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
13. id Increase fluid 3 Pattern Control Knob 13 open too much Partially close Pattern Control Knob 13 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 30224 For technical questions please call 1 800 444 3353 Page 14 Problem Troubleshooting continued Cause Solution Sputtering Spray Low material level Cup tipped too far Clogged Air Vent Loose fluid inlet connections Dry or loose fluid needle Packing Nut Loose damaged fluid tip seat Refill Hold upright Clean vent hole Tighten Lubricate and or tighten Adjust or replace Will Not Spray No pressure at gun Fluid control not open enough Fluid too thick Check air hoses Open fluid control Thin fluid or increase pressure within Maximum range Overspray Improper application speed Improper distance from workpiece Too much pressure Move moderately and parallel Adjust distance Reduce air pressure Fluid Tip Leakage Dirty tip Tight Pack
14. ing Nut Broken fluid needle spring Worn or damaged tip Clean Loosen Packing Nut Replace Replace tip and or needle Air Leaking from Air Cap Dirty air valve seat Sticking air valve Damaged air valve spring Worn damaged air valve seat Bent valve stem Clean Lubricate Replace Replace Replace Fluid Leaking from Packing Nut SKU 30224 Packing Nut loose Packing worn or dry For technical questions please call 1 800 444 3353 Troubleshooting section at end of manual Tighten without restricting Replace or lubricate non silicone Page 15
15. lters 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 If run through the Gun water and oil will cause damage 1 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 40 Connect the 3 8 ID Air Source Hose to the Spray Gun 2 Set the air pressure on your compressor to 30 80 PSI Do not exceed the maximum air pressure of 80 PSI 3 Check the air connection for leaks and then disconnect the tool from the air source Control Layout Pattern Control Knob 13 FIGURE 1 io py _ s ine om 4 25 Air Cap Set 1S demi Ss pe Fluid Control lt u ai BE E Knob 29 Trigger 38 Air Inlet 40 Cup 47 SKU 30224 For technical questions please call 1 800 444 3353 Page 6 Troubleshooting section at end of manual 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
16. orkpiece FIGURE 6 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 before you Squeeze the Trigger 38 When you are finished spraying release the Trigger 38 before you stop moving the Spray Gun Doing so will eliminate distinct overlaps producing a blended feathered affect See FIGURE 7 below t mit Begin t tL End Stroke Trigger 38 FIGURE 7 Trigger 38 Stroke Top View Note The speed of the stroke the adjustment of the Fluid Control Knob 29 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 For technical questions please call 1 800 444 3353 Sn ees Troubleshooting section at end of manual Page 10 IMPORTANT The Spray Gun must be cleaned IMMEDIATELY after use Improper cleaning is a common reason for the Spray Gun not to work properly Materials dry quickly which will render the gun useless It is extremely difficult to remove dry paint from small passages within the Gun Maintenance SOLVENT SELECTION Always follow the paint manufacturer s recommendations for cleaning solvent type and disposing of used solvent Latex Paints Use warm so
17. r 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 30224 Keep work area clean Cluttered areas invite injuries 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 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 cloth
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