Graco Inc 309291P, 244399 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 repair this equipment unless you are trained and qualified.

WARNING

Pressurized Equipment Hazard

To reduce the risk of an injury, follow the Pressure Relief Procedure on page 23 whenever you are instructed to relieve the pressure.

Check all possible remedies in the Troubleshooting Chart before disassembling the gun.

Spray Pattern Troubleshooting

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.

 

 

 

 

Loose, dirty, damaged nozzle/seat.

Clean or replace nozzle, page 25.

 

Air in fluid supply.

Check fluid source. Refill.

Improper spray pattern.

Damaged nozzle or air cap.

Replace, page 25.

 

Fluid buildup on air cap or nozzle.

Clean. See Operation Manual.

 

Fan air pressure too high.

Decrease.

 

Fluid too thin.

Increase viscosity.

 

Fluid pressure too low.

Increase.

 

Fan air pressure too low.

Increase.

 

Fluid too thick.

Reduce viscosity.

 

Too much fluid.

Decrease flow.

 

 

 

Streaks.

Did not apply 50% overlap.

Overlap strokes 50%.

 

 

 

 

Dirty or damaged air cap.

Clean or replace, page 25.

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309291P

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Contents PRO Xs2 Air Spray Gun II 2 G EEx 0.24 mJTable of Contents Model InformationFire, Explosion, and Electric Shock Hazard Toxic Fluid HazardEquipment Misuse Hazard Pressurized Equipment HazardGun Overview IntroductionHow the Electrostatic Spray Gun Works Installation Install the SystemVentilate the Spray Booth Flammable or Toxic Vapor HazardTypical Installation KeyConnect the Air Line Connect the Exhaust TubeElectric Shock Hazard Supply HoseSelect a Fluid Nozzle and Air Cap Orifice SizeConnect the Fluid Line Filter the FluidGrounding Check Electrical Grounding Check Gun GroundingCheck Fluid Resistivity Check Fluid ViscosityOperation Maintenance Flush the Spray GunTi1288a Electrical Tests Test Gun ResistanceTest Power Supply Resistance Test Power Supply ResistanceTest Electrode Resistance ElectrodeProblem Cause Solution TroubleshootingSpray Pattern Troubleshooting Gun Operation Troubleshooting Electrical Troubleshooting See Test Gun Resistance onSee Check Electrical Grounding on 12 and Test Gun ResistancePressure Relief Procedure RepairPrepare the Gun for Service Air Cap/Nozzle Replacement Air Cap/Nozzle ReplacementElectrode Replacement Electrode ReplacementFluid Packing Removal Fluid Packing RemovalPacking Rod Repair Packing RodBarrel Installation Barrel RemovalPower Supply Removal and Replacement Power SupplyTurbine Alternator Removal and Replacement Fan Air Adjustment Valve Repair Fan Air Adjustment ValveFluid Adjustment Valve Repair Air Valve RepairAtomizing Air Restrictor Valve Removal and Replacement Atomizing Air ValveES ON/OFF Valve Repair ES ON/OFF ValveParts Part No 20 kV Electrostatic Gun, Series CRef. No Alternator Part No. Description Qty Part No. DescriptionFluid Line Accessories AccessoriesAir Line Accessories Gun Accessories Miscellaneous AccessoriesTechnical Data Category DataGraco Standard Warranty Graco Information

309291P, 244399 specifications

Graco Inc, a leading manufacturer in fluid handling systems and products, is known for its innovative solutions in various industries including automotive, construction, and industrial manufacturing. Among its compelling offerings are the models 244399 and 309291P, which represent the pinnacle of Graco's engineering prowess and customer-focused design.

The Graco 244399 is a robust fluid-handling pump designed specifically for transferring and dispensing a variety of fluids. Crafted with durability in mind, it features an air-operated diaphragm pump mechanism that ensures consistent performance in demanding environments. Its design incorporates a lightweight composite structure, making it easy to transport and install. The pump is capable of handling a wide range of fluids, including paints, coatings, and chemicals, making it versatile for different applications.

One of the standout features of the 244399 is its adjustable flow rate, allowing operators to customize the output based on specific project requirements. The self-priming capability enhances its usability, ensuring that it can effectively siphon fluids from containers without the need for additional equipment. The rugged construction provides resistance against wear and tear, further extending the lifespan of the pump.

On the other hand, the Graco 309291P is recognized for its advanced technology in spray gun performance. This model boasts a lightweight design and is engineered to reduce operator fatigue during prolonged use. The 309291P includes a patented tip technology that optimizes spray patterns and improves transfer efficiency, allowing users to achieve a smoother, more consistent finish. It is compatible with a variety of materials, from stains to thicker coatings, demonstrating its flexibility to meet varying user needs.

Both models incorporate Graco’s commitment to safety, featuring integrated pressure relief mechanisms that enhance operator protection. Furthermore, they are designed for easy maintenance, with user-friendly access points for routine inspections and part replacements.

In conclusion, Graco Inc’s 244399 and 309291P highlight the company’s dedication to providing high-quality, innovative solutions for fluid handling and application. With their superior features, advanced technologies, and user-centric designs, these models continue to set standards in performance and reliability across various industries.
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