Graco Inc 244572, 309295L, 244573, Xs4 AA Gun Operation Troubleshooting

Page 22

Troubleshooting

Gun Operation Troubleshooting

Problem

Cause

Solution

 

 

 

Excessive spray fog.

Atomizing air pressure too high.

Close atomizing air valve some, or

 

 

decrease air pressure as low as pos-

 

 

sible; minimum 40 psi (0.28 MPa, 2.8

 

 

bar) needed at gun for full voltage.

 

 

 

 

Fluid too thin.

Increase viscosity.

 

 

 

“Orange Peel” finish.

Atomizing air pressure too low.

Open atomizing air valve more or

 

 

increase gun air inlet pressure; use

 

 

lowest air pressure necessary.

 

 

 

 

Spray tip is too large.

Use smaller tip. See page 46.

 

 

 

 

Poorly mixed or filtered fluid.

Remix or refilter fluid.

 

 

 

 

Fluid too thick.

Reduce viscosity.

 

 

 

Fluid leaks from the fluid packing

Worn fluid needle packings or shaft.

Replace fluid needle assembly (26);

area

 

see page 30.

 

 

 

Air leaks from the front of the gun

Air valve (21) is not seating properly.

Clean and service air valve; see

 

 

page 35.

 

 

 

Fluid leakage from the front of the

Worn or damaged fluid needle ball.

Replace fluid needle (26); see page

gun

 

30.

 

 

 

 

Worn fluid seat housing (2).

Replace seat housing; see page 26.

 

 

 

 

Loose spray tip (3).

Tighten retaining ring (27); see page

 

 

26.

 

 

 

 

Damaged tip seal (3a).

Replace; see page 26.

 

 

 

Gun does not spray

Low fluid supply.

Add fluid if necessary.

 

 

 

 

Damaged spray tip (3).

Replace; see page 26.

 

 

 

 

Dirty or clogged spray tip (3).

Clean; see gun operation manual.

 

 

 

 

Damaged fluid needle (26).

Replace; see page 30.

 

 

 

Dirty air cap

Damaged or plugged air cap (9).

Clean air cap; see gun operation

 

 

manual.

 

 

 

22

309295L

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Contents 309295L Important Safety InstructionsII 2 G EEx 0.24MJ Smart Model Table of Contents List of Models Fire, Explosion, and Electric Shock Hazard Skin Injection HazardToxic Fluid Hazard Equipment Misuse HazardIntroduction How the Electrostatic AA Spray Gun WorksStandard Gun Gun OverviewSmart Gun Ventilate the Spray Booth InstallationInstall the System Flammable or Toxic Vapor HazardNon-Hazardous Area Typical Installation Key Hazardous AreaElectric Shock Hazard Connect the Air LineConnect the Exhaust Tube Supply HoseFilter the Fluid Connect the Fluid LineSelect a Spray Tip Grounding Earth ground. See Check Electrical GroundingCheck Electrical Grounding Check Gun GroundingCheck Fluid Resistivity Check Fluid ViscosityLow Voltage Adjustment Low Voltage Adjustment Smart Guns OnlyOperation Maintenance 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 C itemsRef. No Alternator Ref. No Atomizing Air Adjustment ValveRef. No ES ON/OFF Valve Description Qty AIR CAPPlug Adjustment valve 20, and ES ON/OFF valve 53 RefAIR CAP Assembly 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 Information Graco Standard WarrantyToll Free

244572, 309295, 309295L, 244573, Xs4 AA specifications

Graco Inc is a leading manufacturer in the field of fluid management and dispensing equipment. Among its notable products is the Graco Xs4 series, specifically the models AA, 244573, 309295L, 309295, and 244572. The Xs4 series is widely recognized for its innovation, reliability, and versatility in handling a wide range of applications.

One of the main features of the Graco Xs4 products is their robust and compact design. These units are engineered for durability, making them ideal for industrial environments where heavy usage is the norm. The construction utilizes high-quality materials that ensure longevity and resistance to wear and tear, thus keeping maintenance needs to a minimum.

The Xs4 series is equipped with advanced fluid delivery technologies, which enhance performance and efficiency. For instance, these models are designed to provide consistent and accurate fluid transfer, reducing waste and improving overall productivity. The precision of fluid flow helps in ensuring high-quality finishes, especially important in operations such as painting and coating.

Additionally, the Graco Xs4 is renowned for its user-friendly interface. With intuitive controls, operators can easily adjust settings, ensuring optimal performance for varied applications. The ease of use contributes to a shorter learning curve for new operators, making it an attractive choice for companies training new employees.

The Xs4 models incorporate smart technology for real-time monitoring and diagnostics. This feature not only aids in maintaining operational efficiency but also helps in proactive maintenance, thus minimizing downtime. The ability to track performance metrics allows users to make informed decisions regarding equipment usage and maintenance schedules.

Versatility is another hallmark of the Graco Xs4 series. These units can handle a wide range of fluids, including water-based materials, solvent-based products, and even viscous substances. This adaptability makes them suitable for various industries, from automotive to construction and beyond.

In conclusion, the Graco Inc Xs4 series models AA, 244573, 309295L, 309295, and 244572 stand out due to their durable construction, advanced fluid management technologies, and user-centric design. With a focus on efficiency and reliability, they represent some of the best options available for professionals seeking high-performance fluid transfer solutions. As industries continue to evolve, the Graco Xs4 series remains at the forefront of innovation, meeting the dynamic needs of users around the world.
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