Manual de instrucciones de Graco Inc. Optimiser 2K 308-341

Manual de instrucciones del aparato Graco Inc. Optimiser 2K 308-341

Aparato: Graco Inc. Optimiser 2K 308-341
Categoría: Pistola para pintar
Fabricante: Graco Inc.
Tamaño: 1 MB
Fecha de añadido: 4/15/2013
Número de páginas: 28
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Resúmenes de contenidos
Resumen del contenido incluido en la página 1

INSTRUCTIONS-PARTS LIST
308–341
Rev. G
This manual contains important
Supersedes F
warnings and information.
First choice when
READ AND KEEP FOR REFERENCE.
quality counts.
INSTRUCTIONS
Optimiser 2K
HVLP Two Component
Adhesive Spray Gun
100 psi (7 bar) Maximum Working Fluid and Air Pressure
This gun is for use with water-based contact adhesives only
Part No. 949–239, Series C
U.S. Patent Pending
02748
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
COPYRIGHT 1993, GRACO INC.
Graco Inc. is

Resumen del contenido incluido en la página 2

Table of Contents Symbols Warning Symbol Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Selection Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Air Flow and Atomizing Pressure . . . . . . . . . . . . . . . . . 5 WARNING Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Setup and Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 This symbol alerts you to the possibility of seriou

Resumen del contenido incluido en la página 3

WARNING PRESSURIZED EQUIPMENT HAZARD Spray from the gun, hose leaks or ruptured components can splash fluid in the eyes or on the skin and cause serious injury.  Do not stop or deflect fluid leaks with your hand, body, glove or rag.  Follow the Pressure Relief Procedure on page 7 when: you are instructed to relieve pressure; stop spraying; clean, check or servicing the equipment; and install or clean fluid nozzles.  Never point the spray gun at anyone or at any part of the body.  Never put h

Resumen del contenido incluido en la página 4

Selection Chart Includes: Needle/ Nozzle/Air Needle Replacement Cap Kit Assembly Air Cap Nozzle Needle Tip P/N P/N P/N P/N P/N Orifice Size 949–276 238–703 185–794 185–756 191–564 0.020” (0.508 mm) 949–277 238–703 185–794 185–757 191–564 0.026” (0.660 mm) 949–278 238–703 185–794 185–700 191–564 0.030” (0.762 mm) 949–279 238–217 185–794 185–701 191–016 0.042” (1.067 mm) 949–280 238–218 185–794 185–702 191–017 0.055” (1.397 mm) 949–281 238–219 185–795 185–703 191–018 0.070” (1.778 mm) 949–282 238–

Resumen del contenido incluido en la página 5

Air Flow and Atomizing Pressure NOTE: All tests completed with the fan air fully open. Atomizing Air Pressure (inlet pressure vs. atomizing pressure) Air Flow 30 20 28 18 26 16 24 22 14 20 12 18 10 16 8 14 6 12 4 10 8 2 6 0 4 15 25 35 45 55 65 75 85 95 2 GUN AIR INLET PRESSURE (psi) 0 15 25 35 45 55 65 75 85 95 GUN AIR INLET PRESSURE (psi) Gun Inlet Pressure Nominal Atomizing Pressure Atomizing Pressure Versus 15 psi (1.05 bar) 1.5 psi (0.11 bar) Activator Inlet Pressure 25 psi (1.75 bar) 3.0 ps

Resumen del contenido incluido en la página 6

Installation EF G D N A S B C R M J H KEY A Optimiser 2K Spray Gun B Air Inlet; 1/4 npsm L K J H C Air Hose Q P Recommend 5/16” (7.9 mm) ID hose; Optional 3/8” (9.5 mm) ID hose D Gun Air Shut-off Valve E Gun Air Regulator F Air Filter G Air Supply Line H Pressure Pot Air Shut-off Valve J Pressure Pot Air Regulator K Activator Pressure Pot L Activator Fluid Shut-off Valve M Activator Fluid Hose N Activator Inlet 1/8–27 npt(f) P Adhesive Pressure Pot Q Adhesive Fluid Shut-off Valve R Adhesive Flui

Resumen del contenido incluido en la página 7

Installation Air Line Accessories Fluid Line Accessories  If you are using diaphragm pumps to supply adhe-  The gun air line must have an air regulator (E) to sive or activator to the gun(s), install a fluid regula- control air pressure to the gun. See Fig. 1. tor (T) on each gun fluid supply line to control fluid pressure to the gun(s). See Fig. 9, page 9.  If the gun air source does not have a filter, install a  Install a fluid filter in the gun fluid supply lines to filter (F) on the gun

Resumen del contenido incluido en la página 8

Setup and Shutdown Removing and Installing the Fluid Nozzle CAUTION Follow this procedure whenever you remove and install Trigger the gun whenever you tighten or remove the a fluid nozzle. See page 4 to select a nozzle or fluid nozzle (20) to pull the needle away from the needle/nozzle/air cap kit. nozzle seating surface and avoid scratching it. 1. Follow the Pressure Relief Procedure on page 7. 4. Apply PTFEadhesive to the threads of the fluid nozzle (20) you are installing. 2. Remove the air

Resumen del contenido incluido en la página 9

Setup and Shutdown 2. Flush the adhesive and activator fluid WARNING lines with water and blow them out with air before connecting them to the EQUIPMENT MISUSE HAZARD This gun is for use with water-based contact adhe- gun. sives only. Any other use of the gun could cause unsafe operating conditions or damage to the gun. 3. Connect the adhesive fluid hose. A. Connect the fluid hose (R) to the gun adhesive inlet (S). See Fig. 8. 1. Connect the air line. A. Connect the air hose (C) to the gun air i

Resumen del contenido incluido en la página 10

Setup and Shutdown 4. Connect the activator tube. 6. Adjust the spray pattern. A. Connect the fitting (V) and tube (M) to the gun WARNING activator inlet. See Fig. 10. COMPONENT RUPTURE HAZARD Do not exceed the 100 psi (7 bar) maximum fluid and air pressure of this gun. B. Connect the other end of the fluid tube (M) to a Higher pressures can cause parts to rupture and regulated fluid supply line or a pressure tank. result in serious injury. NOTE: Refer to the Atomizing Pressure Versus Activator

Resumen del contenido incluido en la página 11

Setup and Shutdown D. To further reduce the volume of adhesive out- 6. Adjust the spray pattern. (continued) put at the gun, turn the fluid adjustment knob C. Hold the gun parallel to the floor and adjust the (8) clockwise as needed. See Fig. 16. How- adhesive fluid pressure until you have a 1 to 6 ever, for the best results, adjust the adhesive inch (25.4 to 152.4 mm) straight fluid stream pressure or use a different size needle/nozzle/ before the stream falls off. See Fig. 14. air cap combinat

Resumen del contenido incluido en la página 12

Setup and Shutdown 6. Adjust the spray pattern. (continued) 7. Adjust the activator fluid flow. F. Set the gun air supply pressure at 40 psi (2.8 bar), using the gun atomizing air regulator CAUTION (E). See Fig. 18. When the activator is being supplied to the gun, the NOTE: atomizing air must be on before triggering the gun to  Use the fluid manufacturer recommendations if avoid contaminating the atomizing air with activator. available and refer to the Atomizing Pressure Versus Activator Inlet

Resumen del contenido incluido en la página 13

Ratio Check 1 2 NOTE: You cannot sample the adhesive and activator 52 52 at the same time. The adhesive must be checked with the atomizing air off, while the activator must be checked with the atomizing air on. 1. Check the ratio of the adhesive. 54 A. Weigh an empty beaker. B. Close the atomizing air shut-off valve. C. Close the activator shut-off valve. D. Trigger the gun into the beaker for 15 seconds to dispense the adhesive. E. Follow the Pressure Relief Procedure on page 7. F. Weigh the ad

Resumen del contenido incluido en la página 14

Daily Gun Care, Flushing, and Cleaning C. Point the gun down into the spray booth* and CAUTION spray until the water sprays clear. See Fig. 22.  Do not point the gun up while cleaning it as this *If the gun is flushed with solvent, be sure to spray the may allow fluid to enter the gun air passages. solvent into a grounded metal waste container.  Do not use metal tools to clean the air cap holes as this may scratch them and distort the spray pattern.  Do not immerse the gun.  Squeeze the exce

Resumen del contenido incluido en la página 15

Daily Gun Care, Flushing, and Cleaning 3. Clean the gun. (continued) B. Disconnect the air supply line (C). See Fig. 24. C 02775A 02800 Fig. 26 Fig. 24 C. Remove the air cap ring (12), air cap (19), air cap seal (47), and fluid nozzle (20) as F. Clean the air cap ring, air cap, and fluid nozzle instructed on page 8. daily, minimum, using a soft-bristle brush. See Fig. 27. Clean out air cap holes with a soft im- plement, such as a toothpick, to avoid damag- ing surfaces. 20 35 47 12, 19 02757A Fi

Resumen del contenido incluido en la página 16

Daily Gun Care, Flushing, and Cleaning  Fluid needle shaft 3. Clean the gun. (continued) G. Install the fluid nozzle (20) air cap seal (47), air  Activator nuts, in the area where they contact cap ring (12), and air cap (19) as instructed on the trigger page 8. Lubricate H. Dampen a soft cloth with soapy water; squeeze out the excess water. Point the gun Lubricate down and wipe off the outside of it. Lubricate 02782A Fig. 28 4. Lubricate the following gun parts daily, using Part No. 111–265 l

Resumen del contenido incluido en la página 17

Troubleshooting PROBLEM CAUSE SOLUTION Fluid flow is fluttering while 1. Fluid nozzle is not tight enough 1. See page 8 to install the fluid nozzle spraying correctly 2. Fluid filter is clogged 2. Check the fluid filter 3. Fluid adjustment knob is not 3. Adjust the fluid adjustment knob for properly set less feathering or use a larger size nozzle 4. Baffle (item 11) is installed wrong or 4. Check if the baffle protrusion is proper- damaged ly inserted into the gun insert hole, see page 19; repl

Resumen del contenido incluido en la página 18

Service 8. Insert a thin-blade screw driver (A) through the Items Needed for Service back of the gun and into the packing adjustment  Gun Wrench – provided nut (31) and remove the screw. See Fig. 31.  Seal Installation Tool – provided  Adjustable Wrench  Screw Driver A  Part No. 111–265 Lubricant  Soap and water 31 NOTE: Gun Repair Kit 949–285 is available; see page 25. The following procedure covers the replacement of all the kit parts. Disassemble 02762 1. Follow the Pressure Relief Proc

Resumen del contenido incluido en la página 19

Service 10. Use the threaded end of the fluid needle (21) to 11. Remove and disassemble the activator valve (49). push out the u-cup seal (33). See Fig. 33. See Fig. 34. Use the threaded end of the activator needle (49d) to push out the needle packings (49g and 49r). Do not bend the end of the needle. 12. Clean the parts. Check the fluid needles (21 and 49d) for damage or excessive wear. Replace if necessary. 21 13. Check the baffle (11) for damage. If it is damaged, carefully pry it off with a

Resumen del contenido incluido en la página 20

Service Assemble NOTE: See Fig. 34, page 19, for the parts that need to A be lubricated. 31 1. Insert the fluid needle (21) through the front of the gun as shown in Fig. 35. Install the new packing assembly (39) by placing them on the end of the needle tip. Orientate the packings as shown in Fig. 35. 02762 Fig. 36 4. Place the new u-cup seal (33) on the seal installa- 1 tion tool (42) with the u-cup lips facing the tool. See Fig. 37. 2 5. Push the u-cup seal (33) into the gun until a defi- nite


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