Manual de instrucciones de Graco Inc. 3A0149C

Manual de instrucciones del aparato Graco Inc. 3A0149C

Aparato: Graco Inc. 3A0149C
Categoría: Pistola para pintar
Fabricante: Graco Inc.
Tamaño: 1.71 MB
Fecha de añadido: 11/4/2013
Número de páginas: 40
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Resumen del contenido incluido en la página 1

Instructions - Parts List
3A0149C
G15/G40 Spray Gun
ENG
A lightweight line of air-assisted spray guns for spraying and finishing a variety of paints
and coatings, particularly in applications requiring uniform atomization and high transfer
efficiency. For professional use only.
Important Safety Instructions:
Read all warnings and instructions in this manual. Save these
instructions. See page 2 for model information including maxi-
mum working pressure.
TI6553A
Model G15
Model G40 Model G40 w/

Resumen del contenido incluido en la página 2

Models Contents Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Daily Gun Care, Flushing, and Cleaning . . . . . . . 13 Related Manuals . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 General System Maintenance . . . . . . . . . . . . . . 14 Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Fluid Filter Maintenance . . . . . . . . . . . . . . . . . . 14 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Resumen del contenido incluido en la página 3

Related Manuals Related Manuals This manual is available in the following languages: Manual Language 3A0149A English 3A0283A French 3A0282A Spanish 3A0442 Chinese 3A0443 Japanese 3A0444 Korean 3A0149C 3

Resumen del contenido incluido en la página 4

Warnings Warnings The following are general warnings related to the setup, use, grounding, maintenance, and repair of this equipment. Additional, more specific warnings may be found throughout the body of this manual where applicable. Symbols that appear in the body of the manual refer to these general warnings. When these symbols appear throughout the man- ual, refer back to these pages for a description of the specific hazard. WARNING FIRE AND EXPLOSION HAZARD Flammable fumes, such as solv

Resumen del contenido incluido en la página 5

Warnings WARNING EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injury. � Do not operate the unit when fatigued or under the influence of drugs or alcohol. � Do not exceed the maximum working pressure or temperature rating of the lowest rated system component. See Technical Data in all equipment manuals. � Use fluids and solvents that are compatible with equipment wetted parts. See Technical Data in all equipment manuals. Read fluid and solvent manufacturer’s warnings. For complete

Resumen del contenido incluido en la página 6

Installation Installation Typical Installation Grounding NOTE: The typical installation shown in FIG. 1 is only a guide for selecting and installing air-assisted spray sys- tems. Contact your Graco distributor for assistance in designing a system to meet your needs. � Check your local electrical code and pump man- ual for detailed grounding instructions. Use only electrically conductive fluid hoses. Ventilate the Spray Booth � Ground the spray gun through connection to a properly grounded f

Resumen del contenido incluido en la página 7

Installation Air Line Fluid Line 1. Install an air filter (A) on the gun air line to ensure a � Before connecting the fluid line, blow it out with air dry, clean air supply to the gun. Dirt and moisture and flush it with solvent. See Flushing and Clean- can ruin the appearance of your finished workpiece. ing, page 14. Use solvent which is compatible with See FIG. 1. the fluid to be sprayed. � If better control of fluid pressure is needed, install a 2. Install an air pressure regulator (C) on

Resumen del contenido incluido en la página 8

Setup Setup Flush Before Using Equipment 1. The equipment was tested with lightweight oil, which is left in the fluid passages to protect parts. To avoid Slot contaminating your fluid with oil, flush the equipment with a compatible solvent before using the equip- Horizontal air cap position ment. See Flushing and Cleaning, page 14. (standard) 2. Relieve the pressure. See Pressure Relief Proce- Vertical air dure, page 10. cap position TI6847A Tip locating tab FIG. 5 Select a Spray Tip The

Resumen del contenido incluido en la página 9

Setup ® Reverse-A-Clean (RAC) Tip Assembly ® Screw the RAC tip assembly onto the gun and tighten Model 24C857 guns use a Reverse-A-Clean (RAC) tip. firmly by hand. To assemble the RAC tip, insert the seat housing into the air cap assembly. TI7199A TI7196A FIG. 10 FIG. 7 Insert the SwitchTip. NOTICE The RAC assembly for current model guns uses a different seat housing and has a coarser thread than the RAC assembly for earlier model guns. They are not interchangeable. Use of the incor- rect R

Resumen del contenido incluido en la página 10

Operation Operation Be sure to read and follow the Warnings on pages 4 and 5 and throughout the text of this instruction manual. Keep the wallet sized warning card (222385), provided with the gun, with the operator of this equipment at all times. The card contains important treatment informa- tion should a skin injection injury occur. Additional cards are available at no charge from Graco. Pressure Relief Procedure TI6555A FIG. 11 6. Open all fluid drain valves in the system, having a Trap

Resumen del contenido incluido en la página 11

Operation 4. Close off the pattern adjustment air by turning the How the Air-Assisted Spray Gun knob clockwise (in) all the way. See FIG. 13. This Operates sets the gun for its widest pattern. The air-assisted spray gun combines airless and air spraying concepts. The spray tip shapes the fluid into a CLOSE fan pattern, as does a conventional airless spray tip. Air from the air cap further atomizes the fluid and completes the atomization of the paint tails into the pattern to pro- OPEN duc

Resumen del contenido incluido en la página 12

Operation 1. To achieve the best results when applying fluid, HVLP Operation keep the gun perpendicular to the surface and main- tain a consistent distance of approximately 8 to 12 NOTE: For HVLP operation, the atomization air must not in. (200 to 300 mm) from the object being sprayed. exceed 10 psi. Use HVLP Verification Kit 24C788 to ver- ify air psi. 2. To obtain an even finish, use smooth, even strokes across the object being sprayed with 50% overlap. NOTE: There is no fan adjustment w

Resumen del contenido incluido en la página 13

Daily Gun Care, Flushing, and Cleaning Daily Gun Care, Flushing, and Cleaning NOTICE Methylene chloride with formic or propionic acid is not recommended as a flushing or cleaning solvent with this gun as it will damage aluminum and nylon components. NOTICE Do not use any cleaning method which may allow solvent into the gun air passages. Solvent left in gun air pas- sages could result in a poor quality paint finish. Do not point the gun up while cleaning it. Do not wipe the gun with a cloth so

Resumen del contenido incluido en la página 14

Daily Gun Care, Flushing, and Cleaning General System Maintenance Flushing and Cleaning 1. Relieve the pressure, page 10. NOTE: � Flush before changing colors, before fluid can dry in 2. Clean the fluid and air line filters daily. the equipment, at the end of the day, before storing, and before repairing equipment. 3. Check for any fluid leakage from the gun and fluid � Flush at the lowest pressure possible. Check con- hoses. Tighten fittings or replace equipment as nectors for leaks and t

Resumen del contenido incluido en la página 15

Daily Gun Care, Flushing, and Cleaning 5. Increase the pressure slowly. Point the gun down 10. Dip the end of a soft-bristle brush into a compatible into a grounded metal container, and flush the gun solvent. Do not continuously soak the brush's bris- with solvent until all traces of fluid are removed from tles with solvent and do not use a wire brush. the gun passages. TI4845A FIG. 21 TI6729A FIG. 19 11. With the gun pointed down, clean the front of the gun, using the soft-bristle brush and s

Resumen del contenido incluido en la página 16

Daily Gun Care, Flushing, and Cleaning 16. After cleaning the gun, lubricate the following parts with lubricant 111265 weekly: � Trigger pivot pin (A) � Boss on both sides of the gun where the trigger contacts the gun body (B) � Fluid needle shaft, behind trigger (C) A B TI6570A FIG. 23 C 13. If the diffuser was removed, trigger the gun while you reinstall the diffuser (5) with the gun tool (30). Tighten the diffuser securely to obtain a good seal. Torque to 155-165 in-lb (18-19 N�m). When

Resumen del contenido incluido en la página 17

Daily Gun Care, Flushing, and Cleaning Rotate the SwitchTip. Engage the trigger lock. TI6581A ENGAGED TI7200A FIG. 31 FIG. 28 Return the SwitchTip to its original position. Disengage the trigger lock. TI7201A TI6580A DISENGAGED FIG. 32 FIG. 29 Disengage the trigger lock and continue spraying. Trigger the gun into a pail to clear the clog. Do not point gun at anyone or at any part of the body. TI6582A DISENGAGED FIG. 33 TI7202A FIG. 30 3A0149C 17

Resumen del contenido incluido en la página 18

Troubleshooting Troubleshooting NOTE: � Check all possible remedies in the troubleshooting charts before disassembling the gun. � Some improper patterns are caused by the improper balance between air and fluid. Problem Cause Solution Fluid leakage from back of fluid Worn packings or needle shaft. Replace needle assembly (2). packing area. Air leakage from gun. Air valve not seating properly. Clean or replace air valve (8). Fluid leakage from front of gun. Needle ball worn or damaged. Replace

Resumen del contenido incluido en la página 19

Troubleshooting Problem Cause Solution Fluttering or spitting spray. Insufficient fluid supply. Adjust fluid regulator or fill fluid supply tank. Air in paint supply line. Check, tighten pump siphon hose connec- tions, bleed air from paint line. Attempting to “feather” (partially Cannot “feather” with an AA gun. Feather will trigger the gun). cause drastic reduction of pressure at the tip, resulting in poor atomization and/or spitting. Striping spray. Spray tip partially plugged. Clean or repl

Resumen del contenido incluido en la página 20

Repair Repair Complete Gun Packing Repair Disassembly Repair Kits Seat Repair NOTE: NOTE: � Seal Repair Kit 249422 is available. For best results, � See Repair Kits, page 20. use all the new parts in the kit. Kit parts are marked � Clean parts with a solvent that is compatible with with an asterisk, for example (7*). the parts and the fluid being sprayed. � Plastic Seat Repair Kit 249424 and Carbide Seat Repair Kit 249456 are available and can be used 1. Relieve the pressure, page 10. Re


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