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MODEL H8224
HVLP SPRAY GUN
INSTRUCTION MANUAL
COPYRIGHT © AUGUST, 2007 BY GRIZZLY INDUSTRIAL, INC.
WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE
OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC.
#TR9837 PRINTED IN CHINA
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SAFETY For Your Own Safety Read Instruction Manual Before Operating This Equipment The purpose of safety symbols is to attract your attention to possible hazard- ous conditions. This manual uses a series of symbols and signal words which are intended to convey the level of importance of the safety messages. The progression of symbols is described below. Remember that safety messages by themselves do not eliminate danger and are not a substitute for proper accident prevention measures. Indic
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13. UNTRAINED & UNSUPERVISED 6. USE CORRECT AIR PRESSURE. USE. Untrained operators may not be Exceeding the maximum PSI rating aware of the safe use of this spray gun of this spray gun may cause unpre- and may injure themselves or cause dictable operation or bursting. fire. All untrained operators must be 7. DISCONNECT AIR PRESSURE directly supervised at all times if using before servicing, changing accesso- this spray gun. ries, or moving to another location. 14. READ MATERIAL LABELS
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INTRODUCTION Foreword Specifications The specifications, details, and photographs Cup Size ............................................120cc in this manual represent the Model H8224 Feed Type .......................................Gravity as supplied when the manual was prepared. Fluid Tip Size ................................... 0.8mm However, owing to Grizzly’s policy of Air Consumption .................... 4.2–7.1 CFM continuous improvement, changes may be Operating Pressure Range ........ 44
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SETUP Assembly & Setup Inventory Before assembling and using the spray gun, Your spray gun left our warehouse in a thoroughly clean and dry all parts. Please carefully packed box. If you discover the refer to Cleaning in the MAINTENANCE spray gun is damaged after you have section on Page 10 for more detailed signed for delivery, please immediately instructions. Make sure all connections are call Customer Service at (570) 546-9663 tight enough to prevent air leaks but not so for advice
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3. Install and tighten the barbed hose Controls fitting to the air inlet with the provided 1 nut; or attach a female ⁄4" NPT quick connect fitting (not included) to the air inlet for connection to an air coupler. Atomizing Cap Cup 1 Note: Using a ⁄4" NPT quick discon- Fluid Control nect set-up, will make operation and maintenance tasks easier. 4. Attach the spray gun to an air hose regulated between 44 and 58 PSI. Pattern Control Note: For the best results, use a hose that will be dedi
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OPERATIONS Spraying The Model H8224 HVLP spray gun set is designed to spray a wide variety of materials such as lacquers, stains, prim- ers, multi-component paints, clear coats, acrylics, epoxies etc. It is ideal for auto EXPLOSION HAZARD! body and woodworking projects. DO NOT smoke or allow any source of flame or spark near spraying. To use your spray gun: Vapors will explode if ignited. 1. Read and follow the material manufac- turer's instructions for spraying, mixing, safety, disposal,
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7. Adjust the fluid control knob to start 10. Begin spraying 2-3 inches before the with a low volume of material and keep work and continue to the end of the the atomization as low as possible. work. Continue the motion for a few You will need to use a combination of inches past the work until you are fluid control, inlet air pressure, air flow ready for the return stroke. control and stroke speed to achieve the results you want. Spray so the material 11. Maintain an even speed when spray
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Atomizing Cap and Pattern Fan Adjustments Stroke The atomizing cap can be adjusted for horizontal or vertical spraying patterns. Spraying in the wrong direction may lead Pattern to material build up on the atomizing cap Control horn. Many performance problems are caused by clogged atomizing holes on the Figure 8. Set up for horizontal spray stroke atomizing cap horns (see Cleaning on with vertical fan pattern. Page 10). Rotating the pattern adjustment knob (see Figure 4) changes the sh
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ACCESSORIES H7274—Campbell Hausfeld™ Pressure G6261—Campbell Hausfeld™ Water Regulator Filter Since PSI drops as it travels through air Filtering out water and oil before it reaches hose, attaching a regulator directly to the the spray gun is critical for high quality spray gun ensures accurate air regulation spraying results. This filter is rated at 150 1 for the best results possible. Provides PSI maximum air pressure, and has a ⁄4" regulated output pressure of 0 to 125 PSI NPT air
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MAINTENANCE 5. Unscrew the atomizing cap and the Cleaning fluid tip. The fully disassembled gun should look like Figure 14. Proper cleaning is the best way to ensure 6. Rinse all parts thoroughly in solvent, trouble free performance from your spray then dry with compressed air or let gun. If your gun is not thoroughly cleaned, air dry. Try not to expose O-rings to damage and poor spraying will result. solvent or they may get damaged. Problems caused by improper cleaning will not be cov
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Lubrication Lubricate the following areas with a non- A silicon spray-gun lubricant after cleaning. B A. Atomizing Cap Threads B. Air Valve Packing E C. Trigger Pin D. Pattern Control E. Fluid Control Knob D F. Air Flow Control Knob C Allow the lubricant to coat threads, and run into gun body to lubricate all moving parts F and seals. Figure 15. General lubrication points. Model H8224 HVLP Spray Gun -11-
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Troubleshooting Symptom Possible Cause Solution Fluttering or spitting 1. Dry or worn fluid tip seat per- 1. Tighten fluid tip or replace spray. mits air to seep into fluid pas- seat with new one. sage. 2. Material level too low. 2. Add material. 3. Fluid tip or filter obstructed. 3. Clean. 4. Dry needle packing. 4. Lubricate needle. Uneven top or bot- 1. Atomizing cap holes are 1. Clear holes. tom pattern. obstructed. 2. Build-up on top or bottom of 2. Clean. fluid tip. 3. Build-up on atomizin
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Symptom Possible Cause Solution Excessive over- 1. Fluid pressure too high. 1. Reduce fluid pressure. spray. 2. Gun is too far from surface. 2. Keep gun at recommended distance. 3. Spraying too fast. 3. Slow down and maintain consistent, even parallel stroke. Unable to control 1. Pattern adjustment screw is 1. Clean or replace. spray fan. not seating properly. 2. Atomizing cap is loose. 2. Tighten atomizing cap. Runs and sags. 1. Damaged seal. 1. Replace damaged seals. Material leaks from 1.
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Parts Breakdown H8224 �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� � � � � �� � �� � �� �� � � �� �� � �� REF PART # DESCRIPTION REF PART # DESCRIPTION 1 PH8224001 AIR ADJUST SCREW 26 PH8224026 TRIGGER PIN II 2 PH8224002 AIR ADJUST KNOB 27 PH8224027 TRIGGER 3 PORS003 O-RING 2.5 X 1.5 S3 28 PEC01M E-CLIP 3MM 4 PH8224004 DOMED SEAL WASHER 29 PH8224029 CUP LID 5 PH8224005 AIR INLET SPRING 30 PH8224030 CUP 120CC 6 PH8224006 AIR INLET VALVE 31
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