Graco Inc 261820 specifications General Problem Erratic Motor Operation, Electric Requirements

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Advanced Troubleshooting

General Problem: Erratic Motor Operation

Specific Problem	Cause	Solution


Sprayer quits after running for	Building circuit is overloaded.	Remove other loads from building circuit or find
5 to 10 minutes		another circuit that has less load. See Grounding
		and Electric Requirements, page 6.

	Electrical outlet supplying	Try another outlet. Check electric supply with volt
	wrong voltage.	meter. Meter must read 85 to 130V AC. If voltage
		is too high, do not use outlet until corrected.

	Also see Basic Electrical Problems and Sprayer Wiring Problems, pages 17 - 18.

	Motor is overheating.	After motor cools, operate sprayer and determine
		if motor stops when trigger on gun is released. If
	Warning: See Thermal	sprayer runs continuously, replace Pressure
	Overload, page 6.	Control. See List of Kits, page 26.
		Relieve pressure and remove motor enclosure.
		Turn motor fan by hand to check for binding gears
		or seized pump. See List of Kits, page 26.

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312667B

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Contents Related Manual ProX9 Airless Sprayers 312667BUS Patent 6,752,067 European Patent 1 208 Korean Patent Fold-n-StoreCart ProX Sprayers Only SpecificationsGetting Started Grounding Instructions Fire and Explosion Hazard Equipment Misuse Hazard Thermal Overload InstallationGrounding and Electric Requirements Component Identification ProX Sprayers OnlyX7, ProX7, and ProX9 Only ProX9 OnlySG20 SG10 Pressure Control Knob Settings Pressure Relief Procedure OperationTrigger Lock Trigger Locked SG10 Trigger Unlocked SG10General Repair Information Basic Troubleshooting Grounding and Electric RequireProX7 and ProX9 Insert screw Read Pump does not prime section ProX7 and ProX9 OnlyGrounding and Electrical Requirements,Grounding and Electrical Advanced Troubleshooting General Problem Motor Does Not OperateSee Control Board Diagnostics, Hazard After Thermal General Problem Circuit Breaker is Tripping Control. See List of Kits, General Problem Erratic Motor OperationElectric Requirements, General Problem Low or Fluctuating Output Switch Kit,See Control Board Diagnostics, page 25. If Prime/Spray Valve Kit,Use Pressure Control Switch Kit, to replace General Problem Excessive Pressure Build UpControl Switch Kit, Motor Diagnostics X5 Motor Diagnostics ProX7 and ProX9Setup Setup Relieve Pressure,Pressure Control Switch Diagnostics ProX7, ProX9, X5,Pump Diagnostics Control Board Diagnostics ProX7 and ProX9Control Board Diagnostics X5 List of Kits Kit Number Models Kit DescriptionPart Description Qty X5 Model 262800 Parts ListParts X5 Model X5, Model X7 Model 262805 Parts List X7 Model 41a 41b 41c 67a 47a 41d 67b 85a ProX7 and ProX9 Models 261815 and 261820 Parts List HUB CAPProX7 and ProX9 Models 261815 ProX7 and ProX9 Models 261810 Wiring Diagrams X5 and X7 Models 262800ProX7 and ProX9 Models 261815 Technical Data Magnum ProX7 Magnum ProX9Graco Standard Warranty For Graco Canada CustomersGraco INC. P.O. BOX 1441 MINNEAPOLIS, MN