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PROFESSIONAL LVLP SPRAY GUN
MODEL H7666/H7667
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.
#PC7425 PRINTED IN CHINA
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Table of Contents SECTION 1: SAFETY .......................................................................................................4 Safety Instructions For Pneumatic Tools ....................................................................5 Additional Safety Instructions for LVLP Spray Guns ..................................................6 SECTION 2: INTRODUCTION .........................................................................................7 Foreword ......................
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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 17. DISCONNECT TOOLS before ser- tool. Make sure your air hose is in vicing and changing accessories. good condition and is long enough to 18. DO NOT OVERREACH. Keep reach your work without stretching. proper footing/balance at all times. 11. WEAR PROPER APPAREL. Do not 19. USE THE RECOMMENDED wear loose clothing, gloves, neck- ACCESSORIES. Consult owner’s ties, rings, bracelets, or other jew- manual for recommended ac
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Additional Safety Instructions for LVLP 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 Information We are proud to offer the Grizzly Model If you have any comments regarding this H7666/H7667 LVLP Spray Gun. This manual, please write to us at the following spray gun is part of a growing Grizzly fam- address: ily of fine tools. When used according to the guidelines set forth in this manual, you Grizzly Industrial, Inc. can expect years of trouble-free, enjoyable C/O Technical Documentation operation, and proof of Grizzly’s commit- P.O
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TOOL DATA SHEET Customer Service #: (570) 546-9663 • To Order Call: (800) 523-4777 • Fax #: (800) 438-5901 PROFESSIONAL LVLP SPRAY GUNS MODEL H7666/H7667 MODEL H7666 H7667 TYPE OF FEED GRAVITY GRAVITY FLUID TIP 1.3mm 1.5mm AIR CONSUMPTION 3-3.9 CFM 3-3.9 CFM 2.0-3.5 BAR 2.0-3.5 BAR INLET AIR PRESSURE 28.8-51 PSI 28.8-51 PSI LESS THAN LESS THAN FLUID PRESSURE 10 PSI 10 PSI MATERIAL CAPACITY 600ml 600ml MAX. PATTERN WIDTH 230mm 230mm 0.585 kgs. 0.618 kgs. WEIGHT 1.28 lbs. 1
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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 H7666/H7667 Inventory (Figures signed for delivery, please immediately 1 & 2): call Customer Service at (570) 546-9663 A. Spray Gun . ........................................ 1 for advice. B. Cup 600ml .......................................... 1 C. Cleaning Brus
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Assembly Controls 1. Insert the filter into the gun body (see Atomizing Cap Figure 3). Cup Pattern Control Trigger Fluid Control Air Flow Control Figure 4. Controls. 1. Fluid Control: Controls the volume of Figure 3. 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 set-up (not in
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SECTION 4: OPERATIONS Spraying The Model H7666/H7667 LVLP 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 EXPLOSION HAZARD! DO NOT and woodworking projects and can be smoke or have any source of flame used with waterborne materials. or spark near spraying. Vapors will explode if ignited. To use your spray gun: 1. Read and follow the material manufac- ture
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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. You work. Continue the motion for a few will need to use a combination of fluid inches past the work until you are control, inlet air pressure, air flow con- ready for the return stroke. trol (on the Model H7667), and stroke speed to achieve the results you want. 11. Maintain an even speed when spr
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Pattern Control Atomizing Cap and Fan Adjustments The atomizing cap needs to be adjusted Stroke for horizontal or vertical spraying patterns. Spraying in the wrong direction may lead to material build up on the atomizing cap horn. Many performance problems are Figure 8. Set up for vertical spray stroke caused by clogged atomizing holes on the with horizontal fan pattern. atomizing cap horns (see Cleaning on Page 15). Rotating the pattern adjustment control in Figure 8 will give you a
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SECTION 5: ACCESSORIES G6261—Campbell Hausfeld™ Water H7274—Campbell Hausfeld™ Pressure Filter Regulator Remove damaging water vapor before it Mini Series. Provides regulated output reaches your pneumatic tools. This highly pressure of 0 to 125 PSI for proper tool effective, five micron filter features a see- operation. Locking pressure knob prevents through bowl and easy in-line connections. accidental adjustments. 15 SCFM flow 1 1 150 PSI maximum air pressure. ⁄4" NPT. capacity @ 90 PSI.
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SECTION 6: 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 14. 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
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Lubrication A E F B C D Figure 15. Lubrication points. Lubricate the following areas with a non- silicon spray gun lubricant 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 Allow the lubricant to coat threads, and run into gun body to lubricate all moving parts and seals. -16- Model H7666/H7667 LVLP 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 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 atomizing
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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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Notes Model H7666/H7667 LVLP Spray Gun -19-
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Parts Breakdown H7666 �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� � � � �� �� �� �� �� �� �� �� � � � � � � �� �� REF PART # DESCRIPTION REF PART # DESCRIPTION 1 PH7666001 VALVE COVER 21 PH7666021 CUP 2 PH7666002 O-RING 22 PH7666022 CUP LID 3 PH7666003 SWITCH SPRING 23 PH7666023 VENT CAP 4 PH7666004 SWITCH POLE 24 PH7666024 O-RING 5 PH7666005 SEAL WASHER 25 PH7666025 TRIGGER 6 PH7666006 O-RING 26 PH7666026 TRIGGER LEVER 7 PH7666007 FLUID KNOB 27 PH7666027 ATOMIZING CAP 8 PH766
