Central Pneumatic Paint Sprayer 91011 User's Manual
Contents
1. O ring Filter Needle Valve Guide Air Inlet Screw Cup Gasket Fluid Joint Spare Parts Fluid Adjusting Screw Lid Assy Set Trigger Air Valve Set O ring Material Tube Assembly Air Orienting Ring Cup Top Assemby Lever Yoke Assembly 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 DISTRIBU TOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS QUALIFIED 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 REPLACE MENTS 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 ARIS ING 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 SKU 91011 Assembly Drawing amp O bee ere eee eee eee D To as s Pi pee i e mmn 4 ee A eos F Aim a e e NA i E I Page 9 SKU 910112. When unpacking check to make sure the parts listed on page 8 are included 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 91011 Page 4 Operation Air Hose Line Valve 7 Filter 1 4 NPS i T _ Air Hose on Reel AiR 1 COMPRESSOR 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 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 83 Connect the 3 8 ID Air Source Hose to the Spray Gun 2 Set the air pressure on your compressor to 20 to 50 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 Fluid Adjusting Screw 19 Trigger 20 Air Inlet 33 Air Adjusting Cup 28 Screw 27 SKU 91011 Page 5 Operation continued Filling the Cup 26 Warning The Spray Gun must be disconnected from the air source when filling or refilling NOTE The Lid 43 of the Cup 26 has a small Note Note Note 2 3 material Remove
3. 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 handles 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 any trigger does not operate properly Guard against electric shock Prevent body contact with grounded surfaces such as pipes radiators ranges and refrigerato
4. the Cup 26 from the Spray Gun by pressing the Lever 23 on top of the FIGURE 1 Cup 26 counterclockwise Fill the Cup 26 with the appropriate material and turn it counterclockwise while turning the Lever 23 clockwise See FIGURE 1 vent hole in it Before each operation make sure the vent hole is not covered and unplugged Do not use the Spray Gun if the vent hole is clogged Do not turn the Spray Gun over while full or material will clog the vent hole Before spraying mask all objects you do not want sprayed and lay cloths not included on the floors Operation We recommend you practice on scrap material to adjust and get to know the Gun Connect the air source hose to the Air Inlet 33 Turn on your air compressor Do not exceed the 80 PSI maximum Pull the Trigger 20 slowly and move the Spray Gun in parallel strokes to the object being painted Keep the distance from the object being painted at 4 to 12 This may slightly differ depending on the flow adjustment and the material being sprayed Release the Trigger 20 after each forward movement pull the Trigger 20 again on the return movement When using a vertical pattern move the Spray Gun in a horizontal motion with a horizontal pattern move the Spray Gun in a vertical motion A round pattern requires a greater distance from the object being painted When finished release the Trigger 20 and disconnect from the air source The Cup 26 and Spray Gun m
5. CENTRAL PNEUMATIC INDUSTRIAL PAINT SPRAY GUN Model 91011 ASSEMBLY and OPERATING INSTRUCTIONS A e Bka T ai am J 3491 Mission Oaks Blvd Camarillo CA 93011 Visit our Web site at http www harborfreight com Copyright 2003 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 Specifications Operating and Maximum PSI 20 to 50 PSI 80 PSI Max Air Consumption 4 CFM O 30 PSI Paint Capacity 1 Quart Air Inlet Nozzle Size Feed Type 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 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
6. 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 forwhich 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 non conductive clothes and non skid 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 Wear an ANSI approved dust mask or respirator when working around chemical dusts paints and mists Wear appropriate ear protection SKU 91011 Page 2 10 11 12 13 14 15 16 17 18 19 20 21 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
7. 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 Always properly mask all objects that are not to be painted 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 under stood by the operator that common sense and caution are factors which cannot be built into this product but must be supplied by the operator 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 Unpacking
8. ay stillhold air pressure fire the Spray Gun toward scrap material until all of the pressure is expended Spray Gun Adjustments We recommend you practice on scrap material to learn the fine tune adjustments To change the spray pattern turn the Spread Adjusting Valve 12 and or the Air Cap Set 1 To regulate the amount of material entering the Spray Gun adjust the Fluid Adjusting Screw 19 To fine tune the air flow adjust the Air Adjusting Screw 27 SKU 91011 Page 6 Troubleshooting PROBLEM CAUSE REMEDY Paint too diluted Paint drips on the Improper spray adjustment object being painted Too much air flow Holding Trigger too long Spraying too close Add undiluted product check viscosity Reduce paint flow by tightening Fluid Adjusting Screw 19 Reduce air flow by turning Air Adjusting Screw 27 down Release Trigger on back stroke Increase distance between nozzle and object Paint too diluted Paint Application uneven or irregular Improper spray adjustment Air flow too weak Spray movement too fast Gun clogged Spray distance too far Nozzle set too fine Add undiluted product check viscosity Increase paint flow by loosening Fluid Adjusting Screw 19 Increase air flow by loosening Air Adjusting Screw 27 Move Spray Gun more slowly Clean components Spray closer to object Adjust Nozzle Spray Gun not Paint not thinned en
9. ough operating Spray Gun clogged Air Hose is broken Air Filter clogged Paint Cup not fully closed Maintenance Disconnect from the air source 1 Remove the Spray Gun Cup 26 Add thinner check viscosity Clean components Replace Air Hose Clean or replace Air Filter Close paint cup EA Pour residual paint into the paint container and seal it o used you can use water Repeat if necessary o N p o e debris before storing the Spray Gun SKU 91011 Page 7 Pour non flammable paint thinner into the Plastic Cup 26 If water based paint was Secure the Cup 26 to the appropriate Gun and shake the liquid in the cup Connect to the air source and turn on the air compressor Spray the liquid onto a piece of scrap material until the spray material is free of paint Make sure that both of the Vent Holes top and bottom are totally clear of paint and Parts List Note Certain parts cannot be ordered separately and must be ordered as part of an entire set 41 Air Valve Seat Set includes parts A B C D E F G on the diagram below 39 Lid Assembly Set includes part numbers 25 31 44 23 43 34 22 30 29 42 Part No Description Description Air Cap Set Air Hose Joint Nozzle Copper Pin Needle Valve Spring Cup Copper Gasket Air Adjusting Valve Set Fluid Needle Baffle Spread Adj Valve Set Nut Trigger Pin Screw
10. r enclosures 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 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 Compressed air only Never use combustible gas as a power source Do not spray near open flames pilot lights stoves heaters or any other heat source Most solvents and coatings are highly flammable particularly when sprayed SKU 91011 Page 3 22 23 24 25 26 27 28 Clean Sprayer with care Use non flammable solvents Do not smoke while spraying Most solvents and coatings are highly flammable particularly when sprayed Read all of the information concerning coating products
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