Haier 309292L - Manual

Introduction 6 309292L Introduction How the Electrostatic Air Spray Gun Works The air hose supplies air to the spray gun. Part of the air operates the turbine and the rest of the air atomizes the fluid being sprayed. The turbine generates power, which is converted by the power cartridge to supply hi...

Installation 309292L 7 Installation Install the System F IG . 2. shows a typical electrostatic air spray system. It is not an actual system design. For assistance in designing a system to suit your particular needs, contact your Graco distributor. Warning Sign Mount warning signs in the spray area w...

Installation 309292L 9 Connect the Air Line 1. Connect the Graco Grounded Air Supply Hose (R) between the air supply line and the gun's air inlet (V). The gun air inlet fitting has a left-hand thread. Connect the air supply hose ground wire (Q) to a true earth ground. 2. Install an air line filter/w...

Installation 10 309292L Connect the Fluid Line 1. Before connecting the fluid line (N), blow it out with air and flush it with solvent. Use solvent which is compatible with the fluid to be sprayed. 2. Install a fluid regulator (M) on the fluid line to control fluid pressure to the gun. 3. Install a ...

Installation 12 309292L Grounding The following are minimum grounding requirements for a basic electrostatic system. Your system may include other equipment or objects which must be grounded. Check your local electrical code for detailed grounding instructions. Your system must be connected to a tru...

Installation 309292L 13 Check Electrical Grounding 1. Have a qualified electrician check the electrical grounding continuity of the spray gun and air hose. 2. Turn the ES ON/OFF valve OFF. 3. Turn off the air and fluid supply to the gun. The fluid hose must not have any fluid in it. 4. Make sure the...

Installation 14 309292L Check Fluid Resistivity Graco Part No. 722886 Resistance Meter and 722860 Probe are available as accessories to check that the resistivity of the fluid being sprayed meets the require-ments of an electrostatic air spray system. Follow the instructions included with the meter ...

Operation 309292L 15 Operation Low Voltage Adjustment (Smart Guns Only) 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. 1. Set the ES HI/LO switch to LO. 2. Remove the LO VOLTAGE adjustment plug (53). S...

Maintenance 16 309292L Maintenance Flush the Spray Gun Flush the gun before changing colors, at the end of the day, before storing, and before repairing the gun. 1. Turn the ES ON/OFF valve OFF. 2. Relieve the pressure. 3. Change the fluid source to solvent, or disconnect the fluid line and connect ...

Electrical Tests 18 309292L Electrical Tests Electrical components inside the gun affect performance and safety. The following procedures test the condition of the power supply (18) and electrode (29), and electri-cal continuity between components. Use megohmmeter Par t No. 241079 (AA) and an applie...

Electrical Tests 309292L 19 Test Power Supply Resistance 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 F IG . 7. 4. The resistance should be 95-...

Electrical Tests 20 309292L 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 s...

Troubleshooting 309292L 21 Troubleshooting Check all possible remedies in the Troubleshooting Char t before disassembling the gun. Spray Pattern Troubleshooting Some spray pattern problems are caused by the improper balance between air and fluid. WARNING Electric Shock Hazard Installing and servicin...

Troubleshooting 22 309292L Gun Operation Troubleshooting Problem Cause Solution Excessive spray fog. Atomizing air pressure too high. Close restrictor valve some, or decrease air pressure as low as pos-sible; minimum 40 psi (0.28 MPa, 2.8 bar) needed at gun for full voltage. Fluid too thin. Increase...

Troubleshooting 309292L 23 Electrical Troubleshooting * ES indicator light is off when the gun is triggered. Problem Cause Solution Poor wrap. ES ON/OFF valve OFF (0).* Turn ON (I). Gun air pressure too low. Check air pressure to gun; minimum 40 psi (0.28 MPa, 2.8 bar) needed at gun for full voltage...

Repair 24 309292L Repair Pressure Relief Procedure 1. Turn the ES ON/OFF valve OFF. 2. Turn off the air bleed valves to the fluid source and to the gun. 3. Trigger the gun into a grounded metal waste con-tainer to relieve the fluid pressure. 4. Open the pump drain valve, having a waste con-tainer re...

Repair 309292L 25 Prepare the Gun for Service • Check all possible remedies in Troubleshooting before disassembling the gun. • Use a vise with padded jaws to prevent damage to plastic parts. • Lubricate the power supply o-ring (18a), some pack-ing rod parts (26), and certain fluid fittings with diel...

Repair 26 309292L Air Cap/Nozzle Replacement 1. Prepare gun for service, page 25. 2. Remove the retaining ring (27) and air cap (9). See F IG . 11.. 3. Point gun up and squeeze trigger while removing the fluid nozzle (7) assembly with the multi-tool (37). Fig. 11. Air Cap/Nozzle Replacement Use non-...

Repair 309292L 27 Electrode Replacement 1. Prepare the gun for service, page 25. 2. Remove the air cap and nozzle, page 26. 3. Unscrew the electrode (29) with the multi-tool (37). Hold the packing rod end (26h) to prevent it from turning, F IG . 12. 4. Apply low-strength (purple) Loctite ® or equiva...

Repair 28 309292L Fluid Packing Removal 1. Prepare the gun for service, page 25. 2. Remove the air cap and fluid nozzle, page 26. 3. Remove the electrode, page 27. 4. Loosen the trigger screws (8) and trigger (30). See F IG . 13.. 5. Remove the packing rod (26), using the multi-tool (37). 6. Check a...

Repair 309292L 29 Packing Rod Repair You may replace the packing rod as individual parts or as an assembly. The assembly is pre-adjusted at the factory. Before installing the fluid packing rod into the gun barrel, make sure the internal surfaces of the barrel are clean. Remove any residue with a sof...

Repair 30 309292L Barrel Removal 1. Prepare the gun for service, page 25. 2. Carefully loosen the nut (32 or 50d) from the bracket fluid fitting (13). Pull the tube (14 or 50a) out of the fitting. Make sure both ferrules and the nut stay with the tube. 3. Loosen the three screws (11). 4. Hold the gu...

Repair 309292L 33 Fan Air Adjustment Valve Repair 1. Prepare the gun for service, page 25. 2. Place a wrench on the flats of the valve assembly (20) and unscrew it from the handle (17). You may replace the valve as an assembly (go to step 9) or as individual parts (steps 3-9). 3. Remove the retainin...

Repair 34 309292L Fluid Adjustment Valve Repair 1. Prepare the gun for service, page 25. 2. Remove the fluid adjustment valve (25). It can only be replaced as a complete assembly. See F IG . 20.. 3. Screw the valve (25) into the gun handle. Torque to 15-25 in-lb (1.7-2.8 N•m). Fig. 20. Fluid Adjustm...

Repair 309292L 35 Atomizing Air Restrictor Valve Removal and Replacement 1. Prepare the gun for service, page 25. 2. Remove the atomizing air restrictor valve (23) . Inspect the o-ring (23c*). Replace if necessary. See F IG . 22.. 3. Install a new atomizing air restrictor valve (23), or disassemble ...

Parts 36 309292L Parts Part No. 244400 60 kV Electrostatic Gun, Series C (items 1-48, 55) Part No. 244575 60 kV Electrostatic Gun, Series C (items 4-30, 35-55) Part No. 244401 85 kV Electrostatic Gun, Series C (items 1-48, 55) 27 9 7 26 16 11 18 19 *10 17 28 20 22 25 15 21*** 23b 35 13 24 38 8 *6 ti...

Accessories 44 309292L Accessories Air Line Accessories AirFlex ™ Flexible Grounded Air Hose 100 psi (7 bar, 0.7 MPa) Maximum Working Pressure 0.315 in. (8 mm) ID; 1/4 npsm(f) x 1/4 npsm(f) left-hand thread 244963 6 ft (1.8 m) 244964 15 ft (4.6 m) 244965 25 ft (7.6 m) 244966 36 ft (11 m) 244967 50 f...

Accessories 309292L 45 Gun Accessories Gun Repair Kits 244781 Air Seal Repair Kit 244911 Fluid Seal Repair Kit Round Pattern Kits Consists of fluid tip, diffuser and air cap. 245217 4-6 in. (102-152 mm) diameter 245219 8-10 in. (203-254 mm) diameter Push/Pull Fan Air Valve 244912 For quick change of...

Technical Data 46 309292L Technical Data Loctite ® is a registered trademark of the Loctite Corporation. 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 Gun Inlet 40 psi (0.28 MPa, 2.8 bar) Maximum Fl...

All written and visual data contained in this document reflects the latest product information available at the time of publication. Graco reserves the right to make changes at any time without notice. This manual contains English. MM 309292 Graco Headquarters: Minneapolis International Offices: Bel...