Graco Inc 261820 specifications Advanced Troubleshooting, General Problem Motor Does Not Operate

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Advanced Troubleshooting

Advanced Troubleshooting

See Basic Troubleshooting first, page 11 for problems that are more easily remedied.

General Problem: Motor Does Not Operate

Specific Problem	Cause	Solution


Power switch is on and sprayer	See Basic Troubleshooting,
is plugged in; pump does not	page 11.
cycle.

Basic mechanical problems.	Paint is frozen or hardened in	Unplug sprayer from electrical outlet.
	pump.	If paint is frozen in sprayer:
		If paint is frozen in sprayer:
		Do NOT try to start sprayer until completely
		thawed or you may damage the motor, control
		board, and/or drivetrain.
		1. Turn power switch OFF.
		2. Place sprayer in warm area for several hours.
		3. Plug sprayer in.
		4. Turn power switch ON and flush sprayer with
		water or mineral spirits.
		a. Turn on sprayer.
		b. Turn prime valve to PRIME position.
		If paint hardened in sprayer:
		ProX7 and ProX9: Replace pump packings. See
		List of Kits, page 26.
		X5 and X7: Replace complete pump. See List of
		Kits, page 26.
		Remove all residue from inlet and outlet valves.

	Gears are damaged.	Remove motor enclosure and rotate motor fan to
		check for bad gears. If gears bind or slip, remove
		pump cover and replace failed gears. See List of
		Kits, page 26.

	ProX7 and ProX9: Yoke is	Repair or replace using Gear/Yoke Kit. See List
	broken because pump is	of Kits, page 26.
	locked up due to dried paint or
	locked up due to dried paint or	Replace pump packings on ProX7 and ProX9
	worn packings.	sprayers. See List of Kits, page 26.

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312667B

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Contents US Patent 6,752,067 European Patent 1 208 Korean Patent ProX9 Airless Sprayers 312667BRelated Manual Getting Started SpecificationsFold-n-StoreCart ProX Sprayers Only Grounding Instructions Fire and Explosion Hazard Equipment Misuse Hazard Grounding and Electric Requirements InstallationThermal Overload 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 Electric Requirements, General Problem Erratic Motor OperationControl. See List of Kits, General Problem Low or Fluctuating Output Switch Kit,See Control Board Diagnostics, page 25. If Prime/Spray Valve Kit,Control Switch Kit, General Problem Excessive Pressure Build UpUse Pressure Control Switch Kit, to replace Motor Diagnostics X5 Motor Diagnostics ProX7 and ProX9Setup Setup Relieve Pressure,Pressure Control Switch Diagnostics ProX7, ProX9, X5,Control Board Diagnostics X5 Control Board Diagnostics ProX7 and ProX9Pump Diagnostics List of Kits Kit Number Models Kit DescriptionParts X5 Model 262800 Parts ListPart Description Qty 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