SPRAY GUN MODELS H3253, H3254, H3255 INSTRUCTION MANUAL H3253 H3254 H3255 COPYRIGHT © APRIL, 2006 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.
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 hazardous 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.
Safety Instructions For Pneumatic Tools 10. USE PROPER AIR HOSE for the tool. Make sure your air hose is in good condition and is long enough to reach your work without stretching. 11. WEAR PROPER APPAREL. Do not wear loose clothing, gloves, neckties, rings, bracelets, or other jewelry which may get caught in moving parts. Non-slip footwear is recommended. Wear a protective hair covering to contain long hair. 12. ALWAYS USE SAFETY GLASSES. Also use a face or dust mask if cutting operation is dusty.
SECTION 2: INTRODUCTION Foreword Contact Information We are proud to offer the Grizzly Model H3253, H3254, H3255 Spray Gun. These models are part of a growing Grizzly family of fine tools. When used according to the guidelines set forth in this manual, you can expect years of trouble-free, enjoyable operation, and proof of Grizzly’s commitment to customer satisfaction.
TOOL DATA SHEET Customer Service #: (570) 546-9663 • To Order Call: (800) 523-4777 • Fax #: (800) 438-5901 SIPHON FEED SPRAY GUN MODEL H3253, H3254, H3255 MODEL H3253 H3254 H3255 CUP SIZE 1 liter 750ml 1 liter TYPE OF FEED Siphon Siphon Siphon FLUID TIP 1.8MM 1.3mm 1.8mm AIR CONSUMPTION 4-7 CFM 3.2 CFM 7-9 CFM INLET AIR 3.5-4.2 BAR 1.5-3.5 BAR 4.5-6 BAR PRESSURE FLUID PRESSURE CUP MATERIAL MAX.
SECTION 3: SET UP Inventory Your spray gun left our warehouse in a carefully packed box. If you discover the spray gun is damaged after you have signed for delivery, please immediately call Customer Service at (570) 546-9663 for advice. Model H3254 Inventory (Figure 2) A. Large Spray Gun ............................... 1 B. Cup .................................................... 1 C. Service Wrench.................................. 1 D. Cleaning Brush .................................. 1 E. Filter .......
Assembly Prior to assembly and use of the spray gun, it is essential that all parts be thoroughly cleaned and dried. Please refer to Cleaning in the MAINTENANCE section on Page 13 for more detailed instructions. Make sure all connections are tight enough to prevent air leaks but not so tight as to damage the tool. 1. Screw the filter on the bottom of the feed tube as shown in Figure 4 (Model H3254 only). Figure 5. Installing cup. 3.
1. Fluid Control: Controls the volume of material that travels through the fluid tip. 2. Pattern Control: Adjusts the spray pattern from a round pattern to a wide fan. Not available on H3254. 3. Air Flow Control: Controls the fluid pressure inside the spray gun (H3255 only). 4. Atomizing Cap: Controls the spray pattern from vertical to horizontal. 5. Trigger: Two stage trigger. Stage one only releases compressed air for blowing off the work piece. Stage two sprays material.
SECTION 4: OPERATIONS Spraying EXPLOSION HAZARD! DO NOT smoke or have any source of flame or spark near spraying. Vapors will explode if ignited. The Model H3253, H3254, H3255 siphon feed spray gun set is designed to spray a wide variety of materials such as lacquers, stains, primers, multi-component paints, clear coats, acrylics, epoxies etc. It is ideal for auto body and woodworking projects. The spray guns are not designed to be used with waterborne materials. To use your spray gun: 1.
7. Adjust the fluid control knob to start with a low volume of material and keep the atomization as low as possible. You will need to use a combination of fluid control, inlet air pressure, air flow control and stroke speed to achieve the results you want. Spray so the material wets out nicely without running or sagging. 8. Use the pattern control knob to adjust the spray fan to your desired pattern. 9.
Pattern Control Atomizing Cap and Fan Adjustments The atomizing cap needs to be adjusted 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 caused by clogged atomizing holes on the atomizing cap horns (see Cleaning on Page 13). Stroke Figure 10. Set up for vertical spray stroke with horizontal fan pattern.
SECTION 5: ACCESSORIES G6261—Campbell Hausfeld™ Water Filter Remove damaging water vapor before it reaches your pneumatic tools. This highly effective, five micron filter features a seethrough bowl and easy in-line connections. 150 PSI maximum air pressure. 1⁄4" NPT. H7274—Campbell Hausfeld™ Pressure Regulator Mini Series. Provides regulated output pressure of 0 to 125 PSI for proper tool operation. Locking pressure knob prevents accidental adjustments. 15 SCFM flow capacity @ 90 PSI. 1⁄4" NPT. Figure 12.
SECTION 6: MAINTENANCE Cleaning Proper cleaning is the best way to ensure trouble free performance from your spray gun. If your gun is not thoroughly cleaned, damage and poor spraying will result. Problems caused by improper cleaning will not be covered by the warranty. Clean the spray gun immediately after each use. 5. Unscrew the atomizing cap with your fingers and the fluid tip with the service wrench. The fully disassembled gun should look like Figure 16. 6.
Lubricate the following areas with a nonsilicon spray gun lubricant after cleaning. Lubrication E A F B A. B. C. D. E. F. Atomizing Cap Threads Air Valve Packing Trigger Pin Air Flow Control Valve Pattern Control Fluid Control Knob Allow the lubricant to coat threads, and run into gun body to lubricate all moving parts and seals. C D Figure 17. General lubrication points.
Troubleshooting Symptom Possible Cause Solution Fluttering or spitting spray. 1. Dry or worn fluid tip seat permits air to seep into fluid passage. 1. Tighten fluid tip or replace seat with new one. 2. Material level too low. 2. Add material. 3. Fluid tip or filter obstructed. 3. Clean. 4. Dry needle packing. 4. Lubricate needle. 1. Atomizing cap holes are obstructed. 1. Clear holes. 2. Build-up on top or bottom of fluid tip. 2. Clean. 3. Build-up on atomizing cap is on needle seat. 3.
Symptom Possible Cause Solution Excessive overspray. 1. Fluid pressure too high. 2. Gun is too far from surface. 1. Reduce fluid pressure. 2. Keep gun at recommended distance. 3. Slow down and maintain consistent, even parallel stroke. 3. Spraying too fast. Unable to control spray fan. 1. Pattern adjustment screw is not seating properly. 2. Atomizing cap is loose. 1. Clean or replace. Runs and sags. 1. Damaged seal. 1. Replace damaged seals. Material leaks from cup. 1. Cap not secure. 2.
Parts Breakdown H3253 � � � � � � � �� � � �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� REF PART # DESCRIPTION REF PART # 1 PH3253001 AIR NOZZLE 30 PH3253030 NUT 2 PH3253002 BRASS RING 31 PH3253031 PACKING 3 PH3253003 ZINC RING 32 PH3253032 BODY 4 PH3253004 FLUID NOZZLE 33 PH3253033 VALVE 5 PH3253005 HEAD 34 PH3253034 GASKET 6 PH3253006 SCREW 35 PH3253035 COMPRESSION SPRING 7 PH3253007 BODY 36 PH32
Parts Breakdown H3254 �� � �� � �� � �� �� � ����� �� �� �� �� � �� �� � �� �� � �� REF PART # DESCRIPTION REF PART # DESCRIPTION 1 PH3254001 RING NUT 13 PH3254013 LIQUID NOZZLE 2 PH3254002 FAN NOZZLE 14 PH3254014 O-RING 3 PH3254003 ROUND NOZZLE 15 PH3254015 CUP COVER 4 PH3254004 ANGLE NOZZLE 16 PH3254016 CUP COVER NUT 5 PH3254005 CUP COVER GASKET 17 PH3254017 FEED TUBE 6 PH3254006 CUP 18 PH3254018 TRIGGER ADJ.
Model H3253, H3254, H3255 Spray Gun �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� � � � � � � � � � � � � � � � �� �� �� �� �� �� �� �� Parts Breakdown H3255 -19-
Parts List H3255 REF PART # DESCRIPTION REF PART # 1 PH3255001 ADJUSTMENT SCREW 23 PH3255023 TENSILE WASHER DESCRIPTION 2 PH3255002 ADJUSTMENT KNOB 24 PH3255024 DIRECTIONAL SCREW 3 PH3255003 O-RING 25 PH3255025 SWITCH KNOB 4 PH3255004 FLAT WASHER 26 PH3255026 O-RING 5 PH3255005 AIR VALVE SPRING 27 PH3255027 SEALING WASHER 6 PH3255006 AIR INLET VALVE 28 PH3255028 SWITCH SEAT 7 PH3255007 RECTANGLE WASHER 29 PH3255029 O-RING 8 PH3255008 AIR INLE JOINT 30 PH3255030 AIR
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.
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