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®
21 PC PAINT SPRAY GUN KIT
Model 90985
ASSEMBLY and OPERATING
INSTRUCTIONS
®
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
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Specifications Operating PSI (Both Guns) 50 PSI Air Consumption (Gravity Feed Gun) 10.2 CFM @ 50 PSI Air Consumption (Touch-Up Gun) 5.3 CFM @ 50 PSI Capacity (Gravity Feed Gun) 20.2 oz. Capacity (Touch-Up Gun) 8.4 oz. Air Inlet (Both Guns) 1/4” NPS 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
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8. Do not overreach. Keep proper footing and balance at all times. Do not reach over or across running machines or air hoses. 9. 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 handles must be kept clean, dry, and free from oil and grease at all times. 10. Disconnect air supply. Disconnect a
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22. Clean Sprayer with care. Use non-flammable solvents. 23. Do not smoke while spraying. Most solvents and coatings are highly flammable, particularly when sprayed. 24. 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 react
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Operation 1/4” NPS Sprayer For best service you should incorporate an oiler, regulator, and inline filter, as shown in the diagram above. Hoses, couplers, oilers, 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 either the Gravity Feed or Touch-up Sprayer. First, wrap the 1/4” air connector (not included) with pipe thread seal tape before threading it into the Air Inlet (see belo
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Operation (continued) Paint and Materials Preparation Verify with the paint or materials supplier the percentage of thinning required for use with these Sprayers. Try thinning a small amount and testing the spray action. Thoroughly mix material before testing. Viscosity Viscosity is the technical term used to indicate the liquidity (thickness or thinness) of the material being sprayed. Viscosity is measured in the number of seconds required for the material to pass through the Viscosity Tester
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FIGURE 2 Operation (continued) Note: When not in use, hang the Gravity Feed Spray Gun as shown in FIGURE 2. Preparing the area 1. Mask all objects you do not want sprayed. 2. Lay the appropriate size Tack Cloth (16) on the floor, and attach Tack Cloths (16) to the surrounding walls. Preparing and Operating the HVLP Gravity Spray Gun Refer to page 5 and the Assembly Drawing on pages 10 and 11. Note: We recommend you practice on scrap material to adjust and become familiar with the Gun. 1. Detach
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Operation (continued) HVLP Gravity Gun Adjustments Refer to page 5 and the Assembly Drawing on page 11. Note: We recommend you practice on scrap material to learn the fine tune adjustments. 1. To change the spray pattern, turn the Spray Pattern Adjust Knob (4a). 2. To regulate the amount of material entering the Spray Gun, adjust the Fluid Adjust Knob (11a). 3. To fine tune the air flow, adjust the Air Adjust Knob (17a). Preparing and Operating Touch-up Gun Refer to page 5 and the Assembly Draw
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Troubleshooting PROBLEM CAUSE REMEDY 1. Add undiluted product 1. Paint too diluted Paint drips on the (check viscosity) 2. Reduce paint flow by tightening 2. Improper spray adjustment object being painted Paint Adjustment Screw 3. Reduce air flow by turning Air 3. Too much air flow Adjustment Screw down 4. Holding Trigger too long 4. Release Trigger on back stroke 5. Increase distance between 5. Spraying too close nozzle and object 1. Paint too diluted 1. Add undilu
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Main Parts List and Assembly Drawing Part No. Description Qty. Part No. Description Qty. 1 HVLP Gravity Spray Gun 1 9 Brush 1 2 20.2 oz. Plastic Cup 1 10 Brush 1 3 Gun Holder 1 11 Needle 1 4 Viscosity Measure 1 12 Plastic Tube 1 5 Touch-up Gun 1 13 Plastic Grip Brush 1 6 8.4 oz. Plastic Cup 1 14 Filter 3 7 Wrench 1 15 Brass Nipple 2 8 Brush 1 16 Tack Cloth 3 PLEASE READ THE FOLLOWING CAREFULLY THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL O
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Gravity Feed Sprayer Assembly Drawing and Parts List Note: When ordering parts off of the parts list below, make sure to include the letter “a” after the part number. 24 4 25 1 2 8 11 10 9 7 3 6 5 17 15 16 12 13 14 21 21 23 20 22 23 18 19 Part No. Description Part No. Description 1a Air Nozzle W/Brass Cap 17a Air Adjustment Knob 2a Fluid Nozzle 18a Handle 3a Gun Body 19a Air Inlet 4a Spray Pattern Adjust Knob 20a Trigger 5a Washer 21a Gasket 6a Packing Nut 22a Trigger Stud 7a Gasket 23a E-clip
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Touch-up Sprayer Assembly Drawing and Parts List Note: When ordering parts off of the parts list below, make sure to include the letter “b” after the part number. 5 4 14 12 13 11 910 2 15 1 6 78 16 17 3 Part No. Description Part No. Description 1b Air Nozzle W/Brass Cap 10b Valve Nut 2b Fluid Nozzle 11b Stem 3b Air Regulator Set 12b Spring 4b Gun Body 13b 0-ring 5b Trigger 14b Air Inlet 6b Trigger Screw 15b Paint Needle Set 7b Gasket 16b Spring 8b Nut 17b Adjusting Screw 9b Gasket NOTE: Some pa
