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HP GRACO OR PRO TI1681A Test Power Supply Resistance, Fig. 18. Test Power Supply Resistance

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Test Power Supply Resistance

Electrical Tests

1.	Prepare the gun for service as instructed on page
	41.
2.	Remove the power supply (18), page 46.
3.	Remove the turbine alternator (19) from the power
	supply, page 47.
4.	Measure resistance from the power supply's ground
	strips (EE) to the spring (18b). See F IG . 18..
5.	The resistance should be 95-105 megohms. If out-
	side this range, replace the power supply. If in
	range, proceed to the next test.

18b

ti1599a

6. Be sure the spring (18b) is in place before reinstall-

ing the power supply.

Fig. 18. Test Power Supply Resistance

309293J

Contents

Instructions/Parts List ELECTROSTATIC, WATERBORNE, AIR SPRAY Table of Contents Electrical Tests Troubleshooting Parts Accessories List of Models FM Approved EN 50059 Compliant Symbols Warning Symbol Caution Symbol CAUTION Electric Shock Hazard Fire and Explosion Hazard Toxic Fluid Hazard Equipment Misuse Hazard Pressurized Equipment Hazard Introduction How the Electrostatic Air Spray Gun Works Spraying Waterborne Fluids Electrostatically Gun Overview Installation System Requirements Warning Sign Install the System Fig. 2. Typical Installation: PRO Xs Waterborne System Key Ventilate the Spray Booth Connect the Air Line Ground the Cabinet Connect the Waterborne Fluid Hose Fig. 3. Connect the Fluid Hose Shielded Hose Fig. 4. Waterborne Hose Dimensions (At Gun) Unshielded Hose Warning Shielded C Fig. 6. Waterborne Hose Dimensions (At Graco WB100 Enclosure) Fig. 9. Unshielded fluid connection Fig. 7. Shielded Fluid Hose Connection at Graco WB100 245895 Agitator Kit 245944 Fluid Regulator Kit Select a Fluid Nozzle and Air Cap Table 1: Fluid Nozzles Table 2: Air Caps Grounding Check Electrical Grounding Operation Operating Checklist Fluid Voltage Discharge and Pressure Relief Procedure Grounding Procedure Fill the Fluid Supply Adjust the Spray Pattern Page Table 3: Air Regulator Settings Spray Pattern Troubleshoot- ing Shutdown Shutdown Low Voltage Adjustment (Smart Guns Only) Table 4: Low Voltage Adjustment Maintenance Flush the Spray Gun Daily Care and Cleaning Page Clean the Air Cap and Fluid Nozzle Equipment Needed Procedure Grease Door Latch Threads Electrical Tests Test Gun Resistance Test Power Supply Resistance Test Electrode Resistance Test Ground Strip Resistance Test Cylinder Resistance Troubleshooting Spray Gun Waterborne Fluid Hose Voltage Loss Troubleshooting Voltage Isolation System Visual Check Tests Page Spray Pattern Troubleshooting Gun Operation Troubleshooting Electrical Troubleshooting Operation See Check Electrical Grounding on page 18 and Test Gun Resistance Repair Prepare the Gun for Service Air Cap/Nozzle Replacement Electrode Replacement Fluid Packing Removal Packing Rod Repair Barrel Removal Barrel Installation Power Supply Removal and Replacement Turbine Alternator Removal and Replacement Fan Air Adjustment Valve Repair Fluid Adjustment Valve Repair Air Valve Repair Atomizing Air Restrictor Valve Removal and Replacement ES ON/OFF Valve Repair Parts Page Page Page Part No. 244582 60 kV Electrostatic Gun, Series B (items 4-59) Page Page Page Page Page Page Tubing and Wiring Chart Tubing and Wiring Diagrams Accessories Air Line Accessories Fluid Line Accessories Gun Accessories Miscellaneous Accessories Part No. 245895 Agitator Accessory Kit (items 401-407) Part No. 245944 Fluid Regulator Accessory Kit (items 501-507) Technical Data Graco Standard Warranty Graco Information