HP GRACO OR PRO TI1681A manual See Check Electrical Grounding on, and Test Gun Resistance

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Troubleshooting

Problem	Cause	Solution

ES indicator or voltage/current dis-	ES ON/OFF valve OFF (0).*	Turn ON (I).
play is not lit.

	No power.	Replace power supply. See page 47.

Voltage/current display stays red	Gun too close to part.	Should be 8-12 in. (200-300 mm).
(smart guns only).

	Check fluid resistivity.	See Operation on page 19.

	Dirty gun.	Clean. See page 27.

Operator gets mild shock.	Operator not grounded or is near	See Grounding on page 17.
	ungrounded object.

	Gun not grounded.	See Check Electrical Grounding on
		page 18 and Test Gun Resistance
		on page 30.

Operator gets shock from workpiece.	Workpiece not grounded.	Resistance must be 1 megohm or
		less. Clean workpiece hangers.

* ES indicator light is off when the gun is triggered.

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Contents Instructions/Parts List Table of Contents List of Models FM ApprovedEN 50059 Compliant Gun Model DescriptionSymbols Electric Shock HazardFire and Explosion Hazard Toxic Fluid HazardEquipment Misuse Hazard Pressurized Equipment HazardHow the Electrostatic Air Spray Gun Works IntroductionSpraying Waterborne Fluids Electrostatically Gun Overview Gun OverviewInstallation Install the SystemSystem Requirements Fire, Explosion, and Electric Shock HazardTypical Installation PRO Xs Waterborne System Key Ventilate the Spray Booth Connect the Air LineGround the Cabinet Connect the Waterborne Fluid HoseShielded Hose Unshielded HoseWaterborne Hose Dimensions At Graco WB100 Enclosure Unshielded fluid connectionAgitator Kit Agitator KitFluid Regulator Kit Fluid Regulator KitFluid Nozzles Select a Fluid Nozzle and Air CapAir Caps Grounding Check Electrical Grounding Check Gun GroundingOperating Checklist OperationTurn off the main air supply valve B Fill the Fluid Supply Adjust the Spray PatternFire and Explosion Hazard Fully open the fluid adjustment valve Air Regulator Settings Air Hose Length Air Regulator Setting Ft m Psi MPa, barWhen you finish spraying, perform the Shutdown procedure on Low Voltage Adjustment Low Voltage Adjustment Smart Guns OnlyShutdown Maintenance Flush the Spray GunDaily Care and Cleaning Do not immerse the gun in fluidMaintenance Clean the Air Cap and Fluid Nozzle ProcedureGrease Door Latch Threads Equipment NeededElectrical Tests Test Gun ResistanceTest Power Supply Resistance Test Power Supply ResistanceTest Electrode Resistance ElectrodeTest Ground Strip Resistance Test Cylinder ResistanceTroubleshooting Voltage Loss TroubleshootingSpray Gun Waterborne Fluid HoseVisual Check TestsTroubleshooting Spray Pattern Troubleshooting Gun Operation Troubleshooting Lowing the Fluid Voltage Discharge Grounding Procedure Electrical TroubleshootingSee Test Gun Resistance on See Check Electrical Grounding on 18 and Test Gun ResistancePrepare the Gun for Service RepairAir Cap/Nozzle Replacement Electrode Replacement Electrode ReplacementFluid Packing Removal Fluid Packing RemovalPacking Rod Repair Packing RodBarrel Installation Barrel RemovalPower Supply Removal and Replacement Power SupplyTurbine Alternator Removal and Replacement Fan Air Adjustment Valve Repair Fan Air Adjustment ValveFluid Adjustment Valve Repair Air Valve RepairAtomizing Air Restrictor Valve Removal and Replacement ES ON/OFF Valve RepairParts TI1481a Description Qty Description Qty 51 Ref 19a TI1488A Description Qty SWITCH, ES HI/LO 271 253 276 228 262 NUT Bulkhead Connector 1/4 Tubing and Wiring Chart Code Length Description In. mmDetail of Door Interlock Switch Tubing and Wiring DiagramsDetail of Control Box Air Line Accessories AccessoriesFluid Line Accessories Gun Accessories Miscellaneous AccessoriesPart No Agitator Accessory Kit items 402 407 401 406 403 408 404 406 RefPart No Fluid Regulator Accessory Kit items 506 507 502 505 503Category Technical DataData Graco Information Graco Standard WarrantyToll Free