Graco PRO Xs4 AA manual Spray Pattern Troubleshooting, Problem Cause Solution

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Troubleshooting

Troubleshooting

WARNING

Electric Shock Hazard

Installing and servicing this equipment requires access to parts which may cause an electric shock or other serious injury if the

work is not performed properly. Do not install or ser- vice this equipment unless you are trained and quali- fied.

WARNING

Fluid Injection Hazard

To reduce the risk of a fluid injection injury, always follow the “Pressure Relief Proce- dure” on page 25 whenever you are instructed to relieve the pressure.

NOTE: Check all possible remedies in the Troubleshoot- ing Chart before disassembling the gun.

Spray Pattern Troubleshooting

NOTE: Some spray pattern problems are caused by the improper balance between air and fluid.

Problem

Cause

Solution

 

 

 

Fluttering or spitting spray.

No fluid.

Refill supply.

 

 

 

 

Air in fluid supply.

Check fluid source. Refill.

Irregular pattern.

Fluid buildup; partially plugged tip.

Clean. See gun operation manual.

 

Worn/damaged tip or air cap holes.

Clean or replace.

Pattern pushed to one side; air cap

Air cap holes plugged.

Clean. See gun operation manual.

gets dirty.

 

 

 

 

 

Tails in pattern.

Air pressure too low.

Open atomizing air adjustment valve.

 

 

 

 

Fluid pressure too low.

Increase.

Fluid buildup on air cap/tip guard.

Air pressure too high.

Decrease.

Fluid pressure too low.

Increase.

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Contents This manual contains important warnings and information Instructions Parts List 309295Standard Model Table of Contents List of Models SymbolsModel Description Operation Fire, Explosion, and Electric Shock Hazard Fluid Injection Hazard Toxic Fluid HazardEquipment Misuse Hazard Introduction How the Electrostatic AA Spray Gun WorksStandard Gun Gun Overview= on = OFF Smart GunVentilate the Spray Booth InstallationInstall the System Flammable or Toxic Vapor HazardNon-Hazardous Area Hazardous AreaConnect the Exhaust Tube Connect the Air LineElectric Shock Hazard Connect the Fluid Line Select a Spray TipGrounding Check Electrical Grounding Check Gun GroundingCheck Fluid Resistivity Check Fluid ViscosityLow Voltage Adjustment Smart Guns Only OperationMaintenance Flush the Spray GunTi1465a Electrical Tests Test Gun ResistanceTest Power Supply Resistance Test Power Supply ResistanceTest Barrel Resistance Test Barrel ResistanceSpray Pattern Troubleshooting TroubleshootingProblem Cause Solution Gun Operation Troubleshooting Electrical Troubleshooting Pressure Relief Procedure RepairPrepare the Gun for Service Tools NeededTip Guard, Air Cap, Spray Tip, or Seat Housing Replacement Tip Guard, Air Cap, and Spray Tip Replace- mentRepair Electrode Replacement Electrode ReplacementFluid Tube Replacement Fluid Filter RemovalFluid Needle Replacement Spring Cap and SpringsBarrel Installation Barrel RemovalPower Supply Removal and Replacement Power Supply and Turbine AlternatorTurbine Alternator Removal and Replacement Atomizing Air Adjustment Valve Repair Atomizing Air Adjustment ValveAir Valve Repair Air ValveES ON/OFF Valve Repair ES ON/OFF ValveParts Part No 85 kV Electrostatic Gun, Series a itemsRef. No Alternator Ref. No Atomizing Air Adjustment ValveRef. No ES ON/OFF Valve Description Qty AIR CAPIncluded in Air Seal Repair Kit Adjustment valve 20, and ES ON/OFF valve 53 RefRef. No Alternator Description Qty SWITCH, ES HI/LO Air Line Accessories AccessoriesFluid Line Accessories Gun Accessories Miscellaneous AccessoriesSpray Tip Selection Chart Fan Width at Orifice SizeTechnical Data Category DataGraco Phone Numbers Graco Standard WarrantyToll Free

PRO Xs4 AA specifications

The Graco PRO Xs4 AA is an advanced airless paint sprayer known for its superior performance and versatility, making it ideal for professionals and DIY enthusiasts alike. This sprayer is designed to handle a wide range of coatings, including latex, stains, and heavy-bodied materials, providing exceptional finish quality on various surfaces.

One of the standout features of the PRO Xs4 AA is its powerful TrueAirless technology, which ensures a consistent and even spray pattern. This technology allows users to achieve a professional finish without the need for thinning materials, saving time and effort. The sprayer is equipped with a robust 0.75 HP motor, delivering up to 0.40 GPM (gallons per minute) fluid output, making it suitable for medium to large-sized projects.

Another significant characteristic is the PRO Xs4's lightweight design, making it easy to transport and maneuver while working. Weighing only 34 pounds, it is simple to set up and operate, reducing fatigue during extended use. The unit features an adjustable pressure settings system, allowing users to control the flow rate according to their specific job requirements for optimal results.

The Graco PRO Xs4 AA also comes with the innovative Graco BlueLink technology, which provides real-time monitoring and diagnostics through a Bluetooth connection. This feature enables users to track their job performance, receive maintenance reminders, and access operational data directly from their smartphones, enhancing user experience and efficiency.

Additionally, the PRO Xs4 is equipped with a durable 515 spray tip, designed to create a fine finish while minimizing overspray. The inclusion of the FlexLiner bag system allows for quick color changes and easy cleanup, making it a truly user-friendly tool. The sprayer is also compatible with a variety of Graco accessories, allowing for customization and improved efficiency based on project needs.

With a maximum tip size of 0.017 inches, the PRO Xs4 is versatile enough to handle both fine and coarse coatings, making it a great option for a range of applications, from interior walls to exterior surfaces. The Graco PRO Xs4 AA combines cutting-edge technology with ease of use, making it an excellent choice for anyone looking to achieve professional-quality results in their painting projects.
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