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Instructions
Manual Electrostatic
™ ™
PRO Xs3 and PRO Xs4
Air Spray Guns
309292L
For use with Class I Group D spray materials.
For use with Class II 2 G spray materials.
0.24 Mj
Important Safety Instructions:
Read all warnings and instructions in this manual.
Save these instructions.
See page 2 for Table of Contents and page 3 for List of Models.
100 psi (0.7 MPa, 7 bar) Maximum Air Inlet Pressure
100 psi (0.7 MPa, 7 bar) Maximum Working Fluid Pressure
U.S. Patent 7,226,004
ti1600a
Smart Model
t
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Table of Contents List of Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Pressure Relief Procedure . . . . . . . . . . . . . . . . 24 Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Prepare the Gun for Service . . . . . . . . . . . . . . . 25 Introduction . . . . . . . . . . . . .
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List of Models List of Models Type of Coatings Smart Part No. Model Operation Manual Display Standard High Conductivity 244400, PRO Xs3 309294/3W9294/3Z9294 X Series C 244579, PRO Xs3 309294/3W9294/3Z9294 XX Series C 244575, PRO Xs3 309294/3W9294/3Z9294 X Series C 244576, PRO Xs3 309294/3W9294/3Z9294 XX Series C 244401, PRO Xs4 309294/3W9294/3Z9294 X Series C 244580, PRO Xs4 309294/3W9294/3Z9294 XX Series C 309292L 3
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Symbols Symbols Warning Symbol Caution Symbol WARNING CAUTION This symbol alerts you to the possibility of serious injury This symbol alerts you to the possibility of damage to or or death if you do not follow the instructions. destruction of equipment if you do not follow the instruc- tions. WARNING 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. � E
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Symbols WARNING Equipment Misuse Hazard Equipment misuse can cause the equipment to rupture, malfunction, or start unexpectedly and result in a serious injury. � This equipment is for professional use only. � Read all manuals, tags, and labels before operating the equipment. � Use the equipment only for its intended purpose. If you are uncertain, call your Graco dis- tributor. � Do not alter or modify equipment. Use only genuine Graco parts and accessories. � Check the equipment daily. Repair
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Introduction Introduction � Fan AIR adjustment valve. Adjusts fan size and How the Electrostatic Air Spray shape. Gun Works � Atomizing air RESTRICTOR valve. Restricts The air hose supplies air to the spray gun. Part of the air atomizing air flow. Replace with plug (included) if operates the turbine and the rest of the air atomizes the desired. fluid being sprayed. The turbine generates power, which is converted by the power cartridge to supply high volt- � ES ON/OFF valve. Turns electro
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Installation Installation Install the System Warning Sign Mount warning signs in the spray area where they can easily be seen and read by all operators. An English Warning Sign is provided with the gun. WARNING Fire, Explosion, and Electric Shock Hazard Ventilate the Spray Booth Installing and servicing this equipment requires access to parts which may cause electric shock or other serious injury if work is not performed properly. WARNING � Do not install or service this equipment unless
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Installation ES ON/OFF valve: I is ON, 0 is OFF A ES I O M D C* C O B* S *E H J* F L G V G *R W P K N U* The air supply to the gun must be electri- cally interlocked with the ventilators to pre- Q* vent the power supply from operating without ventilating fans on. T Non-Hazardous Area Hazardous Area ti1498a Fig. 2. Typical Installation Key N Fluid Supply Line A Main Air Supply Line O Gun Air Line Filter/Water Separator B* Ventilation Fan Interlock Solenoid Valve P Gun Air Sup
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Installation 4. Install a bleed-type air valve (E) on the pump air line Connect the Air Line to shut off air to the pump. Install an additional bleed-type air valve (C) on the main air line (A) to isolate the accessories for servicing. WARNING WARNING Electric Shock Hazard To reduce the risk of electric shock or other Pressurized Equipment Hazard serious injury, the air supply hose must be The bleed-type air valve (E) is required in electrically connected to a true earth your system to re
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Installation Connect the Fluid Line WARNING 1. Before connecting the fluid line (N), blow it out with air and flush it with solvent. Use solvent which is Pressurized Equipment Hazard compatible with the fluid to be sprayed. To reduce the risk of an injury, follow the Pressure Relief Procedure on page 24 2. Install a fluid regulator (M) on the fluid line to control before removing or installing a fluid nozzle fluid pressure to the gun. and/or air cap. 3. Install a fluid filter (K) and drai
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Installation 9. Slide the tube case (1e) onto the barrel inlet, over 244919 HC Conversion Kit the o-ring (2b). The coiled tube (1a) will compress slightly. Part No. 244919 Conversion Kit converts PRO Xs3 standard coating guns (Part Nos. 244400 and 244579) to high conductivity guns (244575 and 244576). For fur- 10. Insert the end of the coiled tube (1a) into the bracket ther instruction and parts, see manual 309453. (3). Make sure the ferrules (1c, 1b) seat on the bracket. The kit is for u
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Installation � All persons entering the spray area: shoes must Grounding have conductive soles, such as leather, or personal grounding straps must be worn. Do not wear shoes with non-conductive soles such as rubber or plastic. If gloves are necessary, wear the conductive gloves WARNING that are supplied with the gun. If non-Graco gloves are worn, cut off fingers or palm area of gloves to Fire, Explosion, and Electric Shock Hazard ensure your hand contacts the grounded gun han- When opera
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Installation 4. Make sure the grounded air hose (R) is connected Check Electrical Grounding and the hose ground wire is connected to a true earth ground. WARNING Fire, Explosion, and Electric Shock Hazard ti1259a Megohmmeter Part No. 241079 (AA-see FIG. 4.) is not approved for use in a hazard- 5. Measure the resistance between the gun handle ous area. To reduce the risk of sparking, do (BB) and a true earth ground (CC). Use an applied not use the megohmmeter to check electri- voltage of 500
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Installation Check Fluid Resistivity Check Fluid Viscosity To check fluid viscosity you will need: � a viscosity cup WARNING � a stopwatch. Fire, Explosion, and Electric Shock Hazard Check the fluid resistivity in a non-hazard- 1. Completely submerge the viscosity cup in the fluid. ous area only. Resistance Meter 722886 Lift the cup out quickly, starting the stopwatch as and Probe 722860 are not approved for use soon as the cup is completely removed. in a hazardous area. Failure to follow
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Operation Operation Refer to the gun operation manual (supplied) for Setup, Shutdown, and Daily Care proce- dures. INSTRUCTIONS Low Voltage Adjustment (Smart Guns Only) OFF The ES HI/LO switch enables you to switch between full voltage and a lower voltage output. The lower voltage is factory set, but can be adjusted. ON 2 1 100% 0 KV 1. Set the ES HI/LO switch to LO. μα 53 2. Remove the LO VOLTAGE adjustment plug (53). Set ti1529a the desired voltage, using a small screwdriver to slide swi
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Maintenance Maintenance Refer to the gun operation manual (supplied) for Daily Care and Cleaning procedures. INSTRUCTIONS 1. Turn the ES ON/OFF valve OFF. Flush the Spray Gun I O ES Flush the gun before changing colors, at the end of the day, before storing, and before repairing the gun. ti1273a WARNING WARNING Fire, Explosion, and Electric Shock Hazard To reduce the risk of fire, explosion, or elec- Pressurized Equipment Hazard tric shock, turn the ES ON/OFF valve OFF
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Maintenance 7. Hang the gun from its hook, with the nozzle pointing 8. When ready to spray again, reconnect the fluid sup- down. ply line. Follow the Setup procedure in the Opera- tion Manual. ti1288a 309292L 17
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Electrical Tests Electrical Tests Electrical components inside the gun affect performance Test Gun Resistance and safety. The following procedures test the condition of the power supply (18) and electrode (29), and electri- 1. Flush and dry the fluid passage. cal continuity between components. 2. Measure resistance between the electrode needle Use megohmmeter Part No. 241079 (AA) and an tip (29) and the air swivel (35); it should be 117-137 applied voltage of 500 V. Connect the leads as sh
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Electrical Tests 6. Be sure the spring (18b) is in place before reinstall- Test Power Supply Resistance ing the power supply. 1. Remove the power supply (18), page 30. 2. Remove the turbine alternator (19) from the power supply, page 31. 3. Measure resistance from the power supply's ground strips (EE) to the spring (18b). See FIG. 7. 4. The resistance should be 95-105 megohms for the PRO Xs3, and 135-150 megohms for the PRO Xs4. EE If outside this range, replace the power supply. If in 18b
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Electrical Tests Test Electrode Resistance 1. Insert a conductive rod (B) into the gun barrel (removed for the power supply test) and against the metal contact (C) in the front of the barrel. 2. Measure the resistance between the conductive rod (B) and the electrode (29). The resistance should be 20-30 megohms. See FIG. 8. F29 E 3. If in range, refer to Electrical Troubleshooting on page 23 for other possible causes of poor perfor- mance, or contact your Graco distributor. ti1548a 4. Remo
