Graco PRO Xs Instructions - Parts Manual
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Graco PRO Xs Instructions - Parts Manual

Graco PRO Xs Instructions - Parts Manual

Auto waterborne air spray gun
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Instructions/Parts
Automatic Electrostatic
PRO
™
Air Spray Gun
For use with conductive spray materials (waterborne and other materials
less than 1 megohm-cm).
Part No. 24A206
100 psi (0.7 MPa, 7 bar) Maximum Air Inlet Pressure
100 psi (0.7 MPa, 7 bar) Maximum Working Fluid Pressure
For use in Class I, Div. I hazardous locations using Group D spray materials.
For use in Group II, Zone 1 areas using Group IIA spray materials.
2575
For Professional Use ONLY.
Important Safety Instructions
Read all warnings and instructions in this
manual. Save these instructions.
See page 2 for Table of Contents.
U.S. Patent Pending
Xs Auto Waterborne
II 2 G 0.24 mJ T6
FM08ATEX0075
313227E
ENG
TI13395a

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Summary of Contents for Graco PRO Xs

  • Page 1 Instructions/Parts Automatic Electrostatic Xs Auto Waterborne ™ Air Spray Gun 313227E For use with conductive spray materials (waterborne and other materials less than 1 megohm-cm). Part No. 24A206 100 psi (0.7 MPa, 7 bar) Maximum Air Inlet Pressure 100 psi (0.7 MPa, 7 bar) Maximum Working Fluid Pressure For use in Class I, Div.

  • Page 2: Table Of Contents

    Install the Fabric Cover ....14 Graco Warranty ......48 Operation .

  • Page 3: Warnings

    • Ground equipment, personnel, object being sprayed, and conductive objects in work area. See Grounding instructions. • Only use grounded Graco conductive air supply hoses. • Check gun and hose resistance and electrical grounding daily. • Use and clean equipment only in well ventilated area.
  • Page 4 Warnings WARNING WARNING WARNING 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.

  • Page 5: Overview

    To operate the electrostatics, apply air pressure to the For this external charge gun it is recommended that the gun manifold’s turbine air fitting (TA) through a Graco gun be left at full voltage, but if needed the voltage can grounded air hose.
  • Page 6 Overview TI13395a TI1577A Manifold Back View TI13426a . 1. Gun Overview Manifold Markings Air Cap Atomization Air Inlet Fitting Fluid Nozzle Fan Air Inlet Fitting Retaining Ring Cylinder Air Inlet Fitting Shroud Shroud Exhaust Outlet Fitting Mounting Bracket Fiber Optic Fitting (shipped unassembled) Manifold kV Switch 1 Air Inlet Turbine...

  • Page 7: Installation

    . 2 and F system design. For assistance in designing a system to Air Hose Ground Wire suit your particular needs, contact your Graco distribu- Graco Grounded Turbine Air Hose (TA) tor. Atomizing Air Hose, 3/8 in. (10 mm) OD (A1) Fan Air Hose, 3/8 in.
  • Page 8 Installation NOTE: * The turbine air supply (TA) must be electrically interlocked with the spray booth ventilation fans to prevent See * the power supply from operating without ventilating fans on. above Non-Hazardous Area Hazardous Area TI1712A Manifold Back View .

  • Page 9: Connect The Charging Probe

    Installation Connect the Charging Probe Install the Air Line Accessories 1. Apply dielectric grease to the charging probe 1. Install a bleed-type air valve (L) on the main air line socket. See F . 4. (W) to shut off all air to the gun (H). 2.

  • Page 10: Install The Gun And Mounting Bracket

    See the detail in F . 6. connected to a true earth ground. Use only Graco Grounded Air Supply Hose. 1. Connect the Graco Grounded Air Supply Hose (B) to the gun's turbine air inlet (TA) and connect the hose ground wire (A) to a true earth ground (N).

  • Page 11: Manifold Connections

    A maximum of two splices, with a total of 108 ft (33 m) of cable, is recommended. 5. See manual 308265 to install a Graco ES Display Module. TI1577A . 7. Manifold Connections TI1581A .

  • Page 12: Grounding

    • Electrostatic Air Spray Gun: ground the gun by con- needed for one shift. necting the Graco Grounded Air Hose to the turbine air inlet and connecting the air hose ground wire to a • All electrically conductive objects or devices in the true earth ground.

  • Page 13: Check Electrical Grounding

    Installation Check Electrical Grounding 5. If the resistance is greater than the maximum read- ing specified above for your hose, check the tight- ness of the ground connections and be sure the turbine air hose ground wire is connected to a true earth ground.

  • Page 14: Check Fluid Resistivity

    Adjust as necessary. probe. If the material is above 1 megohm-cm, then a Pro Xs Auto HC gun may be a better option. The Pro Xs WB gun is intended to spray very conductive waterborne Install the Fabric Cover materials and other materials less than 1 megohm-cm.

  • Page 15: Operation

    Operation Operation Operating Checklist Check the following list daily, before starting to operate the system, to help ensure you of safe, efficient opera- Pressure Relief Procedure tion. All operators are properly trained to safely operate an automatic electrostatic air spray The system pressure must be manually relieved to system as instructed in this manual.

  • Page 16: Select A Fluid Nozzle And Air Cap

    The gun is supplied with Part No. 197266 Nozzle and 24A276 Air Cap. If you require a different size, refer to Table 2 and instruction manual 309419, or consult with your Graco distributor. See Replace Air Cap/Nozzle on page 30. 1. Relieve pressure, page 15.

  • Page 17: Adjust The Electrostatics

    Operation 5. Use the air pressure regulator on the fan air supply Adjust the Electrostatics line (A2) to adjust the pattern size. 1. Shut off the fluid supply. • For the most efficiency, always use the lowest air pressure possible. 2.

  • Page 18: Spraying

    Operation Spraying Triggering the Fluid Alone 1. Shut off and relieve the air pressure to the atomiza- tion (A1) and fan (A2) air lines, using the bleed-type air shutoff valves. To reduce the risk of electric shock, do not touch the 2.

  • Page 19: Maintenance

    Maintenance Maintenance Clean the Gun Daily • Do not immerse the gun in fluid. Turn off the turbine air before flushing the gun or any part of the system. 1. Flush the gun. TI13430a 2. Relieve pressure, page 15. 3. Clean the outside of the gun as follows: •...

  • Page 20: Clean The Air Cap And Fluid Nozzle

    Maintenance 5. Clean the air cap and fluid nozzle daily, minimum. 4. Wipe the fluid nozzle (4), shroud (48), and exterior Some applications require more frequent cleaning. of the gun clean with a cloth dampened in solvent. Replace the fluid nozzle and air cap if they are dam- Avoid getting any solvent into the air passages.

  • Page 21: Check For Fluid Leakage

    Maintenance To reduce the risk of an injury, follow the Pressure Relief Procedure on page 15 when you stop spraying and whenever you are instructed to relieve the pressure. During operation, periodically check the manifold exhaust tube (YY) and both ends of the gun shroud (ZZ) for the presence of fluid.

  • Page 22: Electrical Tests

    Electrical Tests Electrical Tests Test Total Gun Resistance Electrical components inside the gun affect performance and safety. The following procedures test the condition of the power supply (12), barrel (9) and external 1. Flush and dry the fluid passage. charging probe (2), and electrical continuity between 2.

  • Page 23: Test Gun Resistance

    Electrical Tests Test Gun Resistance Test Charging Probe Resistance Measure resistance between the turbine air inlet fitting Measure resistance between the metal spring in the (TA) and the charging probe socket (CC) (see F . 17); it charging probe (DD) and the charging probe tip (BB) should be 70-95 megohms.

  • Page 24: Test Power Supply Resistance

    5. If you still have problems, refer to Gun Repair on page 28 for other possible causes of poor perfor- mance, or contact your Graco distributor. ti1599a . 19. Test Power Supply Resistance ti12821 .

  • Page 25: Troubleshooting

    Troubleshooting Troubleshooting NOTE: Check all possible remedies in the Troubleshoot- ing Chart before disassembling the gun. To reduce the risk of an injury, follow the Pressure Relief Procedure on page 15 when you stop spraying and whenever you are instructed to relieve the pressure.

  • Page 26: Gun Operation Troubleshooting

    Troubleshooting Gun Operation Troubleshooting Problem Cause Solution Excessive spray fog. Atomizing air pressure too high. Decrease air pressure as low as possible. Fluid too thin. Increase viscosity. “Orange Peel” finish. Atomizing air pressure too low. Increase air pressure; use lowest air pressure necessary.

  • Page 27: Electrical Troubleshooting

    Cause Solution Poor wrap. Turbine air is not turned on. Turn on. (In general, a Pro Xs Waterborne Booth exhaust velocity is too high. Reduce velocity to within code lim- gun will have less wrap than a Pro its. solventborne gun.) Atomizing air pressure too high.

  • Page 28: Gun Repair

    Order Part No. 111265 Lubricant. Do not over-lubricate. • Only use genuine Graco parts. Do not mix or use parts from other PRO Gun models. To reduce the risk of injury, follow the Pressure Relief Procedure procedure on page 15 before •...

  • Page 29: Remove The Gun From The Manifold

    Gun Repair Remove the Gun from the Install the Gun on the Manifold Manifold 1. Make sure the gasket (112) and spring (105) are in place on the manifold. See F . 21. Inspect the parts 1. Loosen but do not remove the bottom gun screw for damage and replace them as needed.

  • Page 30: Replace Air Cap/Nozzle

    Do not 1. Prepare gun for repair, page 28. replace the contact ring with anything but a genuine Graco part. 2. Remove the charging probe (2), see page 9. 3. Remove the retaining ring (1), air cap (3), and gun NOTE: Use non-silicone grease, Part No.

  • Page 31: Replace Electrode Needle

    Gun Repair Replace Electrode Needle 5. Apply low-strength (purple) Loctite® or equivalent thread sealant to the electrode needle and packing rod threads. Install the electrode needle finger-tight. 1. Prepare gun for repair, page 28. Do not overtighten. 2. Remove the charging probe (2), see page 9. 6.

  • Page 32: Remove Fluid Packing Rod

    Gun Repair Remove Fluid Packing Rod NOTE: You may replace the packing rod as an assem- bly, as described below, or as individual parts (see page 33). The assembly is pre-adjusted at the factory. 1. Prepare gun for repair, page 28. 2.

  • Page 33: Repair Packing Rod

    Gun Repair Repair Packing Rod 4. Lightly tighten the packing nut (8e). The packing nut is properly tightened when there is 3 lb (13.3 N) of drag force when sliding the packing housing (8f) You may replace the packing rod as individual parts or assembly along the rod.

  • Page 34: Piston Repair

    Gun Repair Piston Repair Table 4: Piston O-Rings 1. Prepare gun for repair, page 28. Description Function 2. Remove the charging probe (2), see page 9. Shaft O-Ring Seals cylinder air along the piston rod (16g) (16b). Replace if air leaks along rod. 3.

  • Page 35: Adjust The Actuator Arm

    Gun Repair Adjust the Actuator Arm The fluid nozzle (4) must be in place when removing or installing the jam nut and actuator arm. 1. Install the adjustment nut (30), actuator arm (29), and jam nut (28) onto the piston rod (16b). Note that the jam nut (28) has a slightly larger hex and a thin- ner profile than the adjustment nut (30).

  • Page 36: Remove Barrel

    Gun Repair Remove Barrel 1. Prepare gun for repair, page 28. 2. Remove the charging probe (2), see page 9. 3. Remove the air cap, page 30. Remove the gun shroud (48). 4. Carefully loosen the fluid fitting nut (20). Pull the tube (19) out of the fitting (23).

  • Page 37: Install Barrel

    Gun Repair Install Barrel 4. Assemble the fluid tube (19) into the fluid fitting (23). Ensure that the ferrules (21, 22) are in place. Tighten the nut (20). 1. Be sure the gasket (11) and grounding spring (14) are in place. Make sure the air holes are aligned 5.

  • Page 38: Power Supply Removal And Replacement

    Gun Repair Power Supply Removal and 5. Check the power supply resistance, page 24. Replace if necessary. Before installing the power Replacement supply, make sure the o-rings (12a, 13a), spring (12b), and pads (13e) are in place. • Inspect the gun body power supply cavity for dirt or moisture.

  • Page 39: Turbine Alternator Removal And Replacement

    Gun Repair Turbine Alternator Removal and Replacement Replace turbine alternator bearings after 2000 hours of operation. Order Part No. 223688 Bearing Kit. 1. Prepare gun for repair, page 28. 2. Remove the power supply/alternator assembly, page 38. 3. Disconnect the alternator from the power supply, page 39.

  • Page 40: Parts

    Parts Parts Part No. 24A206 PRO Auto Xs Electrostatic Gun, Series A, for standard coatings See Ref. No. 8: Packing Rod Detail on page 42 Supplied Tools See Ref. No. 13: Alternator Detail on page 42 † † See Ref. No. 17: Manifold Detail on page 43 †...
  • Page 41 Parts Part No. 24A206 PRO Auto Xs Electrostatic Gun, Series A, for standard coatings Ref. Ref. Part No. Description Part No. Description 16g*† 111508 . O-RING 24B548 RING, retaining, air cap; includes 244586 MANIFOLD; see separate parts list on page 43 1a*†...
  • Page 42 Parts Ref. No. 13: Alternator Detail † TI12719a Ref. No. 8: Packing Rod Detail TI13397a 313227E...
  • Page 43 Parts Ref. No. 17: Manifold Detail Part No. 244586, Series A 5 (see page 41) 101 (Ref) 106 (Ref) †112 116a† TI1578A TI1582A Ref. Part No. Description Ref. Part No. Description 112† 197925 GASKET, manifold 198216 MANIFOLD 108290 SCREW, machine 189581 BRACKET, reciprocator 189365...

  • Page 44: Accessories

    Accessories Accessories Air Line Accessories Fluid Line Accessories Fluid Hose ™ AirFlex Flexible Grounded Air Hose 225 psi (14 bar, 1.4 MPa) Maximum Working Pressure 100 psi (7 bar, 0.7 MPa) Maximum Working Pressure FM Approved; nylon; 3/8 npsm(fbe) 0.315 in. (8 mm) ID; 1/4 npsm(f) x 1/4 npsm(f) left-hand 215637 1/4 in.

  • Page 45: Miscellaneous Accessories

    Display Module. See 308265. Safety Warning Signs 180060 English Warning Sign. FM Approved. Avail- Remote Voltage Display able at no charge from Graco. 189762 Battery-operated meter displays actual spraying voltage. remote mount outside ES Display Module hazardous area. Connects to gun via fiber...

  • Page 46: Gun Accessories

    Accessories Gun Accessories Dielectric Grease 116553 1 oz (28 g) tube of dielectric grease for the power supply o-ring (12a), some packing rod parts (8), and certain fluid fittings. Gun Valve Lubricant 111265 4 oz (113 g) tube of sanitary (non-silicone) lubricant for fluid seals and wear areas.

  • Page 47: Technical Data

    Technical Data Technical Data Category Data Maximum Working Fluid Pressure 100 psi (0.7 MPa, 7 bar) Maximum Working Air Pressure 100 psi (0.7 MPa, 7 bar) Minimum Air Pressure at Turbine Air Inlet 40 psi (0.28 MPa, 2.8 bar) Maximum Fluid Operating Temperature 120°F (48°C) Paint Resistivity Range <...

  • Page 48: Graco Warranty

    With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of twelve months or two thousand hours of operation from the date of sale, repair or replace any part of the equipment determined by Graco to be defective.

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