Graco Inc 309295L, 244572, 244573, Xs4 AA Fluid Needle Replacement, Spring Cap and Springs

Page 30

Repair

Fluid Needle Replacement

1.Prepare the gun for service, page 25.

2.Remove the air cap assembly and seat housing, page 26.

3.Remove the barrel (16), page 31.

4.Remove the trigger screws (8) and trigger (30).

5.Remove the spring cap (45) and the spring (26a) from the barrel. See FIG. 13.

6.Place the 2 mm driver (44) in the back of the fluid needle assembly. Push the tool in and turn it coun- terclockwise about 12 full turns to unthread the nee- dle.

7.Using the u-shaped tool (37), pull back on the pack- ing nut (N) to remove the fluid needle assembly. See FIG. 14.

8.Install the fluid needle assembly in the gun barrel. Push in on the needle with the 2 mm driver (44) and tighten. See FIG. 15.

9.Install the spring (26a).

10.Install the spring cap (45), making sure the ground- ing spring (55) is in place.

11.Install the trigger (30) and screws (8).

12.Install the barrel (16), page 31.

CAUTION

To avoid damaging the seat housing and gun barrel, never overtighten the seat housing. Overtightening may result in improper fluid shutoff.

13.Install the seat housing and air cap, page 26.

14.Test gun resistance, page 18.

55

45

26a

8

30

TI1618A

Fig. 13. Spring Cap and Springs

N

37

Fig. 14. Fluid Needle Removal

TI1526B

8

30

Fig. 15. Fluid Needle Replacement

30

309295L

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Contents Important Safety Instructions 309295LII 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 WorksGun Overview Standard GunSmart 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 HoseConnect the Fluid Line Filter the FluidSelect a Spray Tip Grounding Earth ground. See Check Electrical GroundingCheck Electrical Grounding Check Gun GroundingCheck Fluid Resistivity Check Fluid ViscosityLow Voltage Adjustment Smart Guns Only Low Voltage AdjustmentOperation Maintenance Flush the Spray GunTi1465a Electrical Tests Test Gun ResistanceTest Power Supply Resistance Test Power Supply ResistanceTest Barrel Resistance Test Barrel ResistanceTroubleshooting Spray Pattern 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 Atomizing Air Adjustment Valve Ref. No AlternatorRef. 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 Accessories Air Line AccessoriesFluid Line Accessories Gun Accessories Miscellaneous AccessoriesSpray Tip Selection Chart Fan Width at Orifice SizeTechnical Data Category DataGraco Standard Warranty Graco InformationToll 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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