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PROFESSIONAL HVLP SPRAY GUN
W/GAUGE
MODEL H7669
INSTRUCTION MANUAL
COPYRIGHT © JULY, 2005 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.
#PC7366 PRINTED IN CHINA
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Table of Contents SECTION 1: SAFETY .......................................................................................................4 Additional Safety Instructions for HVLP Spray Guns .................................................6 SECTION 2: INTRODUCTION .........................................................................................7 Foreword .....................................................................................................................7 Tool Data ....
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SECTION 1: 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 meas
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Safety Instructions For Pneumatic Tools 10. USE PROPER AIR HOSE for the 18. DISCONNECT TOOLS before ser- tool. Make sure your air hose is in vicing and changing accessories. good condition and is long enough to 19. USE THE RECOMMENDED reach your work without stretching. ACCESSORIES. Consult the owner’s manual for recommended 11. WEAR PROPER APPAREL. Do not accessories. The use of improper wear loose clothing, gloves, neck- accessories may cause risk of inju- ties, rings, bracelets, or oth
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Additional Safety Instructions for HVLP Spray Guns 1. READ THIS MANUAL. This manual 8. PROTECTIVE CLOTHING. Protect contains proper operating instruc- exposed skin from overspray by tions for this spray gun. wearing a protective suit or other approved garment. 2. READ MATERIAL LABELS and MATERIAL SAFETY DATA 9. INAPPROPRIATE USE. DO NOT SHEETS (MSDS). Read and know point or shoot spray gun directly all the instructions on the packag- at yourself or another person or ing label and the M
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SECTION 2: INTRODUCTION Foreword Contact Info We are proud to offer the Grizzly Model If you have any comments regarding this H7669 HVLP Spray Gun. This model is manual, please write to us at the following part of a growing Grizzly family of fine address: tools. When used according to the guide- lines set forth in this manual, you can Grizzly Industrial, Inc. expect years of trouble-free, enjoyable C/O Technical Documentation operation, and proof of Grizzly’s commit- P.O. Box 2069 ment to c
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SECTION 3: SET UP Inventory Unpacking After you have unpacked the carton you Your spray gun left our warehouse in a should find the following: carefully packed box. If you discover the spray gun is damaged after you have Model H7669 Inventory (Figure 1) signed for delivery, please immediately A. Spray Gun . ........................................ 1 call Customer Service at (570) 546-9663 B. Cup 600 ml ........................................ 1 for advice. C. Cleaning Brush .............
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Assembly Controls 1. Insert the filter into the gun body (see Atomizing Cap Figure 2). Cup Fluid Control Trigger Pattern Control Air Flow Control Regulator/Gauge Figure 3. Controls. 1. Fluid Control: Controls the volume of Figure 2. Installing filter. material that travels through the fluid tip. 2. Screw the cup onto the top of the body. 2. Pattern Control: Adjusts the spray pattern from a round pattern to a wide 3. Attach the air hose to the spray gun fan. 1 with a ⁄4" NPS quick connect
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SECTION 4: OPERATIONS Spraying The Model H7669 HVLP spray gun is designed to spray medium to high solid materials like lacquers, stains, primers, multi-component paints, clear coats, acryl- ics, epoxies etc. It is ideal for auto body and, woodworking projects and can be EXPLOSION HAZARD! DO NOT used with waterborne materials. smoke or have any source of flame or spark near spraying. Vapors will To use your spray gun: explode if ignited. 1. Read and follow the material manufac- turer's i
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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 Fan Adjustments The atomizing cap needs to be adjusted Stroke for horizontal or vertical spraying patterns. Pattern Control Spraying in the wrong direction may lead to material build up on the atomizing cap horn. Many performance problems are Figure 7. Set up for vertical spray stroke caused by clogged atomizing holes on the with horizontal fan pattern. atomizing cap horns (see Cleaning on Page 13). Rotating the pattern adjustment control in Figure 7 will give you a
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SECTION 5: MAINTENANCE 5. Unscrew the atomizing cap with your Cleaning fingers and the fluid tip with the ser- vice wrench. The fully disassembled gun should look like Figure 9. Proper cleaning is the best way to ensure trouble free performance from your spray 6. Rinse these parts thoroughly in sol- gun. If your gun is not thoroughly cleaned, vent then dry with compressed air or damage and poor spraying will result. let air dry. Problems caused by improper cleaning will not be covered b
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Lubrication A F B E C D Figure 10. Lubrication points. Lubricate the following areas with spray gun lube after cleaning. A. Atomizing Cap Threads B. Air Valve Packing C. Trigger Pin D. Air Flow Control Valve E. Pattern Control F. Fluid Control Knob After each cleaning apply a thin film of petroleum jelly to the needle spring before reassembling. -14- Model H7669 HVLP Spray Gun
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Troubleshooting Symptom Possible Cause Solution Fluttering or 1. Dry or worn fluid tip seat per- 1. Tighten fluid tip or replace Spitting 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 strainer 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 atomizi
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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 �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� � �� �� �� �� � � � � �� � �� � �� � � REF PART # DESCRIPTION REF PART # DESCRIPTION 1 PH7669001 AIR ADJUSTMENT SCREW 26 PH7669026 SNAP RETAINER 2 PH7669002 AIR ADJUSTMENT KNOB 27 PH7669027 SNAP RETAINER 3 PH7669003 O-RING 28 PH7669028 VENTILATOR HEAD 4 PH7669004 SPECIAL WASHER 29 PH7669029 CUP COVER 5 PH7669005 AIR VALVE SPRING 30 PH7669030 PLASTIC CUP 600ML 6 PH7669006 AIR INLE
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WARRANTY AND RETURNS Grizzly Industrial, Inc. warrants every product it sells for a period of 1 year to the original purchaser from the date of purchase. This warranty does not apply to defects due directly or indirectly to misuse, abuse, negligence, accidents, repairs or alterations or lack of maintenance. This is Grizzly’s sole written warranty and any and all warranties that may be implied by law, including any merchantability or fitness, for any particular purpose, are hereby limited to
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WARRANTY CARD Name _________________________________________________________________ Street _________________________________________________________________ City _______________________ State _________________________ Zip _________ Phone # ____________________ Email ________________________ Invoice # _____ Model # ____________________ Order # _______________________ Serial # ______ The following information is given on a voluntary basis. It will be used for marketing purposes to help us develo
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Send a Grizzly Catalog to a friend: Name________________________________ Street________________________________ City______________State______Zip_______ FOLD ALONG DOTTED LINE Place Stamp Here GRIZZLY INDUSTRIAL, INC. P.O. BOX 2069 BELLINGHAM, WA 98227-2069 TAPE ALONG EDGES--PLEASE DO NOT STAPLE
