Manuale d’uso / di manutenzione del prodotto PRO 4500sc del fabbricante Graco Inc.
Vai alla pagina of 40
308131 Rev . R 0365 Part No. 224200 shown NOTE: Any modification of genuine Graco parts or replacement of parts with non-Graco parts will void agency approvals. U.S. P A TENT NO. 4,290,091; 4,219,865; 4,497,447; 4,462,061; 4,660,774; 5,063,350; 5,080,289; D350,387 Patented 1986, 1987 Canada Brevete 1986, 1987 U.
2 308131.
308131 3 T able of Contents Symbols 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . W arnings 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installation 6 . . . . . . . . . . . . . . . . . . .
4 308131 W ARNING FIRE, EXPLOSION, AND ELECTRIC SHOCK HAZARD Improper grounding, poor air ventilation, open flames, or sparks can cause a hazardous condition and result in a fire, explosion, or electric shock.
308131 5 W ARNING 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 point the spray gun at anyone or any part of the body . Do not stop or deflect fluid leaks with your hand, body , glove, or rag.
6 308131 Installation 0389 Non-Hazardous Area Hazardous Area KEY A Main Air Supply Line B* V entilation Fan Interlock Solenoid V alve C* Main Air Supply Shutoff V alve (bleed-type) D Air & Water S.
308131 7 Installation Installing the System W ARNING FIRE, EXPLOSION, AND ELECTRIC SHOCK HAZARD Installing and servicing this equipment requires access to parts which may cause electric shock or other serious injury if work is not performed properly .
8 308131 Installation Connect the Exhaust T ube Press the exhaust tube (provided) onto the barbed adapter on the bottom of the gun handle. Secure the tube with the clamp provided. Refer to page 34. Connect the Fluid Line (Refer to Fig. 1, page 6) 1. Before connecting the fluid line (N), blow it out with air and flush it with solvent.
308131 9 Installation Check the Electrical Grounding (See Fig. 2) W ARNING FIRE, EXPLOSION, AND ELECTRIC SHOCK HAZARD Megohmmeter P/N 241079 (AA-see Fig.
10 308131 Notes.
308131 1 1 Operation Pressure Relief Procedure W ARNING PRESSURIZED EQUIPMENT HAZARD The system pressure must be manually relieved to prevent the system from starting or spraying acci- dentally .
12 308131 Operation 0369A Fig. 4 0365 20 1 26 45 43g 31 DD 43c Selecting a Fluid Nozzle and Air Cap W ARNING PRESSURIZED EQUIPMENT HAZARD T o reduce the risk of an injury , follow the Pressure Relief Procedure on page 1 1 before removing or installing a fluid nozzle and/or air cap.
308131 13 Operation Operating the Spray Gun (continued) 1. Follow the Operating Checklist on page 1 1. 2. T o adjust the air cap for a vertical or horizontal spray pattern, first make sure the pressure is relieved. Then loosen the air cap retaining nut, and rotate the air cap as directed in Fig.
14 308131 Operation Shutdown W ARNING PRESSURIZED EQUIPMENT HAZARD T o reduce the risk of an injury , follow the Pressure Relief Procedure on page 1 1 whenever you stop spraying and whenever you are instructed to relieve pressure. 1. Relieve the pressure.
308131 15 Maintenance Clean the Air Cap and Fluid Nozzle CAUTION Do not use metal tools to clean the air cap or spray tip holes as this could scratch them, and make sure the electrode wire is not damaged. Scratches in the air cap or spray tip or a damaged electrode wire can distort the spray pattern.
16 308131 T roubleshooting W ARNING ELECTRIC SHOCK HAZARD Installing and servicing this equipment requires access to parts which may cause an electric shock or other serious injury if the work is not performed properly . Do not install or service this equipment unless you are trained and qualified.
308131 17 T roubleshooting Gun Operation T roubleshooting Problem Cause Solution Fluid leakage from the fluid packing area The needle packings or shaft are worn. Replace the packings or shaft; see page 26. Air leakage from the front of the gun The air valve is not seating properly .
18 308131 T roubleshooting Electrical T roubleshooting Problem Cause Solution Poor wrap-around The ES ON-OFF lever is in the OFF (O) position.* Turn the lever to ON (1). The distance between the gun and work- piece is incorrect. Adjust the spraying distance to 8 to 12 inches (203 to 305 mm) The parts are poorly grounded.
308131 19 T roubleshooting Electrical T roubleshooting with SVR NOTE: Additional gun troubleshooting can be done using the Remote Spraying V oltage Readout ( SVR ) .
20 308131 Electrical T ests The performance and safety of the spray gun are directly affected by the condition of the electrical components contained inside the gun.
308131 21 Electrical T ests T est Power Supply Resistance (See Fig. 9) Remove the power supply (18) from the gun. See Power Supply Removal and Replacement , page 27. Remove the turbine alternator from the power supply . See T urbine Alternator Removal and Replacement , page 28.
22 308131 Service Prepare the Gun for Service W ARNING ELECTRIC SHOCK HAZARD Installing and servicing this equipment requires access to parts that may cause electric shock or other serious injury if the work is not performed properly . Do not install or service this equipment unless you are trained and qualified.
308131 23 Service Air Cap/Nozzle/Resistor Stud Replacement (continued) 6. T rigger the gun while installing the fluid nozzle (21) and resistor stud (22) assembly with the multi-tool (62). Tighten until the fluid nozzle seats in the gun barrel (1/8 to 1/4 turn past hand tight).
24 308131 Service Barrel Removal 1. Prepare the gun for service as instructed on page 22. 2. Carefully loosen the nut (14) from the bracket/fluid fitting (16). Pull the tube (12) out of the fitting. Make sure both ferrules and the nut stay with the tube.
308131 25 Service Fluid Packing Removal 1. Prepare the gun for service as instructed on page 22. 2. Remove the air cap assembly , fluid nozzle and resistor stud and electrode as instructed on page 23. 3. Loosen the trigger screws (4) far enough to re- move the trigger (13).
26 308131 Service Fluid Packing Rod Repair The fluid packing rod can be replaced as individual parts or as an assembly . The overall assembly is pre-adjusted at the factory . NOTE: Before installing the fluid packing rod into the gun barrel, make sure the internal surfaces of the barrel are clean.
308131 27 Service Fig. 18 7 35 37a 37b 18a 18 37 F 3 18b 18c 18f G Apply a very light coat of lubricant Do not expose to solvents 0384B B Power Supply Removal and Replacement NOTES: T o avoid a loss in electrostatic performance, inspect the gun handle power supply cavity for dirt or mois- ture.
28 308131 Service T urbine Alternator Removal and Replacement NOTE: Replace turbine bearings after 2000 hours of operation. See your authorized Graco representative. 1. Prepare the gun for service as instructed on page 22. 2. Remove the power supply from the gun handle as instructed on page 27.
308131 29 Service Fan Air Adjustment V alve Repair 1. Prepare the gun for service as instructed on page 22. 2. Place a wrench on the flats of the valve housing and remove it from the handle. See Fig. 20. NOTE: The fan air valve (43) can be replaced as an assembly or as individual parts.
30 308131 Service Fluid Adjustment Assembly Repair 1. Prepare the gun for service as instructed on page 22. 2. Using a 14 mm socket wrench, remove the fluid adjustment assembly (45). See Fig. 21. 3. T urn the stem (45a) fully clockwise and remove the sleeve stop (45e).
308131 31 Service Air T rigger V alve Repair 1. Prepare the gun for service as instructed on page 22. 2. Using a 14 mm socket wrench, remove the fluid adjustment assembly (45), o-ring (23) and spring (44). See Fig. 21. CAUTION Clean all parts in non-conductive solvent compatible with the fluid being used, such as xylol or mineral spirits.
32 308131 Service ES ON-OFF V alve Repair 1. Prepare the gun for service as instructed on page 22. 2. Loosen the set screw (24) with the 2 mm hex key (69) provided.
308131 33 Notes.
34 308131 Parts 28c 28a *28d *28e *28h DET AIL A 1, 75 8 2 22 21 *25 See Detail A 28b 20 43b 43d 43f 43c 43e 43h 43g 5 3 34 18a 18b 18c 18f 35 37b 37a REF .
308131 35 Parts W ARNING Some PRO 4500sc Gun replacement parts look similar to other PRO Gun parts but are not interchangeable! When servicing, do not mix or use other PRO Gun parts! Use of parts othe.
36 308131 Accessories AIR LINE ACCESSORIES Conductive Air Supply Hose; black 100 psi (7 bar , 0.7 MPa) Maximum Working Pressure FM Approved; Color coded black; 0.
308131 37 Accessories FLUID LINE ACCESSORIES Fluid Hose Assemblies (Nylon) 225 psi (14 bar , 1.4 MPa) Maximum Working Pressure FM Approved; 1/4 in. (6.35 mm) ID, 3/8 npsm(fbe) 215637 25 ft (8 m) 215638 50 ft (15 m) Fluid Hose Assemblies (Nylon) 500 psi (35 bar , 3.
38 308131 Accessories GUN SYSTEMS Gun System 224637 With 36 ft (1 1 m) conductive air hose. Includes: Part N o . Description Qty 224200 PRO 4500sc ES Spray Gun 1 223071 Conductive Air Hose, 36 ft (1 1 m) 1 206199 Air Regulator with Gauge 1 106149 Air Filter 1 158491 Hex Nipple 1 158212 Bushing 1 164672 Hex Red.
308131 39 T echnical Data Category Data Gun Weight 34.3 oz (974 g) Gun Length 1 1.1 in (283 mm) Maximum Working Pressure 100 psi (7 bar , 0.7 MPa) Air Pressure Operating Range 0 – 100 psi (0 – 7 bar, 0 – 0.7 MPa) Fluid Pressure Operating Range 0 – 100 psi (0 – 7 bar, 0 – 0.
40 308131 Graco Standard W arranty Graco warrants all equipment manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale by a n authorized Graco distributor to the original purchaser for use.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Graco Inc. PRO 4500sc è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Graco Inc. PRO 4500sc - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Graco Inc. PRO 4500sc imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Graco Inc. PRO 4500sc ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Graco Inc. PRO 4500sc, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Graco Inc. PRO 4500sc.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Graco Inc. PRO 4500sc. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Graco Inc. PRO 4500sc insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
