Graco Inc 244573, 309295L, 244572, Xs4 AA important safety instructions Electrical Troubleshooting

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Troubleshooting

Electrical Troubleshooting

Problem

Cause

Solution

 

 

 

Poor wrap.

ES ON/OFF valve OFF (0).*

Turn ON (I).

 

 

 

 

Gun air pressure too low.

Check air pressure to gun; minimum

 

 

40 psi (0.28 MPa, 2.8 bar) needed at

 

 

gun for full voltage.

 

 

 

 

Atomizing air pressure too high.

Decrease.

 

 

 

 

Fluid velocity too high.

Decrease fluid pressure or replace

 

 

worn tip.

 

 

 

 

Incorrect distance from gun to part.

Should be 8-12 in. (200-300 mm).

 

 

 

 

Poorly grounded parts.

Resistance must be 1 megohm or

 

 

less. Clean workpiece hangers.

 

 

 

 

Faulty gun resistance.

See “Test Gun Resistance” on page

 

 

18.

 

 

 

 

Low fluid resistivity.

Check fluid resistivity. See page 14.

 

 

 

 

Fluid leaks from the fluid needle (26)

Clean the needle cavity. Replace the

 

packings and causes a short.

fluid needle. See page 30.

 

 

 

 

Faulty turbine alternator (19).

Be sure the plug is in place on the

 

 

back of the turbine alternator hous-

 

 

ing. Remove and test the turbine

 

 

alternator. See page 33.

 

 

 

 

The KV HI-LO lever is on LO.

Check the lever position; replace if

 

 

needed.

 

 

 

ES indicator or voltage/current dis-

ES ON/OFF valve OFF (0).*

Turn ON (I).

play is not lit.

 

 

 

 

 

 

No power.

Repair/replace alternator turbine;

 

 

replace power supply. See page 32.

 

 

 

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 “Check Fluid Resistivity” on

 

 

page 14.

 

 

 

 

Dirty gun.

Clean. See Operation Manual.

 

 

 

Operator gets mild shock.

Operator not grounded or is near

See “Grounding” on page 12.

 

ungrounded object.

 

 

 

 

 

Gun not grounded.

See “Check Electrical Grounding” on

 

 

page 13 and “Test Gun Resistance”

 

 

on page 18.

 

 

 

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.

309295L

23

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Contents II 2 G EEx 0.24MJ Smart Model Important Safety Instructions309295L Table of Contents List of Models Skin Injection Hazard Fire, Explosion, and Electric Shock HazardEquipment Misuse Hazard Toxic Fluid HazardHow the Electrostatic AA Spray Gun Works IntroductionSmart Gun Gun OverviewStandard Gun Flammable or Toxic Vapor Hazard InstallationInstall the System Ventilate the Spray BoothHazardous Area Non-Hazardous Area Typical Installation KeySupply Hose Connect the Air LineConnect the Exhaust Tube Electric Shock HazardSelect a Spray Tip Connect the Fluid LineFilter the Fluid Earth ground. See Check Electrical Grounding GroundingCheck Gun Grounding Check Electrical GroundingCheck Fluid Viscosity Check Fluid ResistivityOperation Low Voltage Adjustment Smart Guns OnlyLow Voltage Adjustment Flush the Spray Gun MaintenanceTi1465a Test Gun Resistance Electrical TestsTest Power Supply Resistance Test Power Supply ResistanceTest Barrel Resistance Test Barrel ResistanceProblem Cause Solution TroubleshootingSpray Pattern Troubleshooting Gun Operation Troubleshooting Electrical Troubleshooting Repair Pressure Relief ProcedureTools Needed Prepare the Gun for ServiceTip Guard, Air Cap, and Spray Tip Replace- ment Tip Guard, Air Cap, Spray Tip, or Seat Housing ReplacementRepair Electrode Replacement Electrode ReplacementFluid Filter Removal Fluid Tube ReplacementSpring Cap and Springs Fluid Needle ReplacementBarrel Removal Barrel InstallationPower Supply and Turbine Alternator Power Supply Removal and ReplacementTurbine Alternator Removal and Replacement Atomizing Air Adjustment Valve Atomizing Air Adjustment Valve RepairAir Valve Air Valve RepairES ON/OFF Valve ES ON/OFF Valve RepairPart No 85 kV Electrostatic Gun, Series C items PartsRef. No ES ON/OFF Valve Ref. No Atomizing Air Adjustment ValveRef. No Alternator AIR CAP Description QtyPlug 53 Ref Adjustment valve 20, and ES ON/OFF valveAIR CAP Assembly SWITCH, ES HI/LO Fluid Line Accessories AccessoriesAir Line Accessories Miscellaneous Accessories Gun AccessoriesFan Width at Orifice Size Spray Tip Selection ChartCategory Data Technical DataToll Free Graco Standard WarrantyGraco Information

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.

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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.