Manual de instrucciones de Graco Inc. 311052E

Manual de instrucciones del aparato Graco Inc. 311052E

Aparato: Graco Inc. 311052E
Categoría: Pistola para pintar
Fabricante: Graco Inc.
Tamaño: 2.96 MB
Fecha de añadido: 6/10/2013
Número de páginas: 40
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Resúmenes de contenidos
Resumen del contenido incluido en la página 1

Instructions - Parts
Automatic G40 Air-Assisted
311052E
Spray Guns
ENG
For air-assisted spraying of paints and coatings. For professional use only.
Approved for use in explosive atmospheres.
4000 psi (28 MPa, 280 bar) Maximum Working Fluid Pressure
100 psi (0.7 MPa, 7 bar) Maximum Working Air Pressure
See page 3 for model information.
Important Safety Instructions
Read all warnings and instructions in this manual.
Save these instructions.
Part No. 288046 Spray Gun shown
mounted on Part No. 288

Resumen del contenido incluido en la página 2

Related Manuals Contents Related Manuals . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Daily Gun Care . . . . . . . . . . . . . . . . . . . . . . . . . 14 Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 General System Maintenance . . . . . . . . . . . . . . 15 Installation . . . . . . . . . . . . . .

Resumen del contenido incluido en la página 3

Models Models A manifold is required for each gun to be installed. Refer to the Parts section for manifold information. G40 Standard Spray Gun, 288046, Series A G40 RAC Spray Gun, 288053, Series A • High pressure spray gun with Carbide ball and Car- � High pressure spray gun with AA Reverse-A-Clean bide seat. (RAC) assembly; and Carbide ball and Carbide Seat. � Includes AAP series tip of choice. � Includes LTX Series RAC tip of choice. G40 Plastic Seat Spray Gun, 288044, Series B � Medium pre

Resumen del contenido incluido en la página 4

Warnings Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclama- tion point symbol alerts you to a general warning and the hazard symbol refers to procedure-specific risk. Refer back to these warnings. Additional, product-specific warnings may be found throughout the body of this manual where applicable. WARNING EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injury. � Do not operate the unit when fatigued or under

Resumen del contenido incluido en la página 5

Warnings WARNING PRESSURIZED EQUIPMENT HAZARD Fluid from the gun/dispense valve, leaks, or ruptured components can splash in the eyes or on skin and cause serious injury. � Follow Pressure Relief Procedure in this manual, when you stop spraying and before cleaning, checking, or servicing equipment. � Tighten all fluid connections before operating the equipment. � Check hoses, tubes, and couplings daily. Replace worn or damaged parts immediately. TOXIC FLUID OR FUMES HAZARD Toxic fluids or f

Resumen del contenido incluido en la página 6

Installation Installation Non-circulating System Ventilate Spray Booth 1. See FIG. 1. Apply anti-seize lubricant 222955 to the threads and mating faces of the manifold (101), plug (109), and elbow (107), supplied unassembled. 2. Install an elbow (107) in one fluid port of the mani- Check and follow all National, State, and Local fold (101), and a plug (109) in the other port. codes regarding air exhaust velocity requirements. 3. Install the internal plug (5) in the gun fluid port on Check

Resumen del contenido incluido en la página 7

Installation Ground Air, Fluid, and Hydraulic Hoses Install Air Fittings Connected To Pump 1. Install the supplied 1/4 in. tube fitting into the cylin- Use only electrically conductive hoses with a maximum der (CYL) air port. of 100 ft (30.5 m) combined hose length to ensure grounding continuity. Check the electrical resistance of 2. Install 3/8 in. tube fittings into the atomization your air and fluid hoses at least once a week. If the total (ATOM) air port and the fan (FAN) air port. res

Resumen del contenido incluido en la página 8

Installation Mount Gun 2. Secure the gun to the support with two M5 x 0.8 Reciprocating Arm Rod Mount capscrews (S). The screws must be long enough to To mount the gun on a reciprocating arm rod [0.5 in. (13 engage the threaded holes in the gun manifold to a mm) diameter maximum]: depth of 1/4 in. (6 mm). 1. Insert the mounting bar (A) through the hole in the manifold as shown in FIG. 3. Use the 1/8 in. alignment pin (P) to assist in orient- ing the gun. 2. Secure the gun to the bar by ti

Resumen del contenido incluido en la página 9

Installation Connect Air Line 1. Install an air/water separator and an air line filter to 4. Install a bleed-type master air shutoff valve on the ensure a clean, dry air supply to the gun. Dirt and main air line. Install an additional bleed-type valve moisture in the line can ruin the appearance of your on each pump air supply line, downstream of the finished piece. pump air regulator, to relieve air trapped between this valve and the pump after the air regulator is shut 2. Install an air p

Resumen del contenido incluido en la página 10

Installation Connect Fluid Line Before connecting the fluid line, blow it out with air and flush it with solvent. Use solvent that is compat- ible with the fluid to be sprayed. A fluid drain valve(s) is required in your system to assist in relieving fluid pressure in the displacement G (or F) pump, hose and gun; triggering the gun to relieve pressure may not be sufficient. C F (or G) A fluid pressure regulator must be installed in the system if the pump's maximum working pressure exceeds

Resumen del contenido incluido en la página 11

Setup Setup Flush Spray Gun Position the Air Cap The air cap and spray tip position determines the direc- tion of the spray pattern. Rotate the air cap (the spray tip rotates with it) as needed to achieve the desired spray pattern direction. Before running any paint through the spray gun: See FIG. 8. 1. Flush the gun with a solvent that is compatible with the fluid to be sprayed, using the lowest possible fluid pressure and grounded metal container. 2. Perform Pressure Relief Procedure; see

Resumen del contenido incluido en la página 12

Operation Operation Pressure Relief Procedure Adjust Spray Pattern The air-assisted spray gun combines airless and air spray concepts. The spray tip shapes the fluid into a 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- 1. Turn off the air and fluid supply to the gun. duce a more uniform pattern. 2. Close the bleed-type master air valve (required in The fan air

Resumen del contenido incluido en la página 13

Operation To achieve best results when applying fluid: � Keep gun perpendicular and 8 to 10 inches (200 to 250mm) from object being sprayed. � Use smooth, parallel strokes across surface to be sprayed with 50% overlap. See FIG. 12. Incorrect TI0792 no air too little air correct amount of air FIG. 11: Correct Spray Pattern Apply Fluid The spray gun has a built-in lead and lag operation. When triggered, the gun begins emitting air before the fluid is discharged. When the trigger actuation air

Resumen del contenido incluido en la página 14

Maintenance Maintenance Daily Gun Care CAUTION 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 compo- nents. CAUTION Solvent left in gun air passages could result in a poor quality paint finish. Do not use any cleaning method which may allow solvent into the gun air passages. Do not point the gun up while cleaning it. Do not wipe the gun with a cloth soaked in solvent; ring out the exce

Resumen del contenido incluido en la página 15

Maintenance 1. Perform Pressure Relief Procedure, page 12. General System Maintenance 2. Shut off the gun fan and atomizing air. 1. Perform Pressure Relief Procedure, page 12. 3. Remove the air cap retaining ring (8), air cap (30), 2. Clean the fluid and air line filters daily. and spray tip (9). 3. Check for any fluid leakage from the gun and fluid 4. Disconnect the fluid supply hose and air supply hoses. Tighten fittings or replace equipment as hose from the gun. needed. 5. Connect the sol

Resumen del contenido incluido en la página 16

Maintenance 7. Turn off the solvent supply. 12. Scrub the air cap retaining ring (8), air cap (30), and spray tip (9) with the soft-bristle brush. To clean out 8. Perform Pressure Relief Procedure, page 12. air cap holes, use a soft tool, such as a toothpick, to avoid damaging critical surfaces. Blow air through 9. Disconnect the solvent supply hose from the gun. the spray tip to ensure the orifice is clean. Clean the air cap and spray tip daily, minimum. Some applica- 10. Dip the end of a

Resumen del contenido incluido en la página 17

Troubleshooting Troubleshooting 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. Refer to Spray Pattern Troubleshooting, page 19. General Troubleshooting Problem Cause Solution Fluid leakage through venting holes. Worn packings or needle. Replace needle assembly. (14) Air leakage through venting hole. Worn o-ring (23) or gasket (15). Check and replace parts as needed. Air le

Resumen del contenido incluido en la página 18

Troubleshooting Problem Cause Solution Fluid needle will not trigger. Loose or missing fluid needle stop Replace stop or tighten setscrew. (21) or setscrew (19). Broken fluid needle (14). Replace fluid needle. Air leaking around piston (20). Replace o-ring (22) or piston assem- bly (20). Swollen piston o-ring (22). Replace o-ring. Do not immerse pis- ton in solvent. Insufficient air pressure on trigger. Increase air pressure or clean air line. Spray tip (9) is plugged. Clean spray tip and air

Resumen del contenido incluido en la página 19

Troubleshooting Spray Pattern Troubleshooting Problem Cause Solution Fluttering spray. Insufficient fluid supply. Adjust fluid regulator or fill fluid sup- ply tank. Air in paint supply line. Check, tighten siphon hose connec- tions, bleed air from paint line. Spitting spray. Worn diffuser-seat (10) or needle Inspect diffuser-seat and needle for (14) ball. wear. Replace if necessary. To improve sealing when spraying lightweight materials and sealing life when spraying acid catalyzed materi-

Resumen del contenido incluido en la página 20

Service Service 4. Inspect the tip seal (9a) in place. If damaged, replace the tip seal. Follow the Service Notes in FIG. 17 and FIG. 18 5. Remove the cap (27) from the piston housing (1). when reassembling the gun. Remove the springs (28 and 29). Gun repair kits are available. See page 34. Refer- 6. Using the supplied wrench (38), loosen the fluid ence numbers marked with an asterisk (*) in the needle setscrew (19). Remove the needle stop (21). service procedures are included with the 2


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