Graco Inc 309291P, 244399 important safety instructions Power Supply Removal and Replacement

Page 30

Repair

Power Supply Removal and Replacement

•Inspect the gun handle power supply cavity for dirt or moisture. Clean with a clean, dry rag.

•Do not expose gasket (10) to solvents.

1.Prepare gun for service, page 24.

2.Remove the barrel (16), page 29.

CAUTION

Be careful when handling the power supply (18) to avoid damaging it.

3.Grasp the power supply (18) with your hand. With a gentle side to side motion, free the power sup- ply/alternator assembly from the gun handle (17), then carefully pull it straight out. See FIG. 15..

4.Disconnect the 3-wire connector (GG) from the power supply. Slide the alternator up and off the power supply. Inspect the power supply and alterna- tor for damage.

5.Check the power supply resistance, page 18. Replace if necessary.

Before installing the power supply, make sure the o-rings (18a*, 19a*), spring (18b), and pads (19e) are in place.

6.Connect the 3-wire connector (GG). Slide the alter- nator (19) down onto the power supply (18).

7.Lubricate the alternator o-ring (19a*) with non-sili- cone grease, Part No. 111265. Do not over-lubri- cate.

8.Lubricate the power supply o-ring (18a*) with dielec- tric grease (40).

9.Insert the power supply/alternator assembly in the gun handle (17). Make sure the ground strips make contact with the handle.

10.Install the barrel (16), page 29.

11.Test gun resistance, page 17.

*10

*19a

19

19e

GG

ti1534a

18

16

18b

*18a

Fig. 15. Power Supply

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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 HazardIntroduction How the Electrostatic Spray Gun WorksGun Overview Ventilate the Spray Booth InstallationInstall the System Flammable or Toxic Vapor HazardTypical Installation KeyElectric Shock Hazard Connect the Air LineConnect the Exhaust Tube 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 ElectrodeTroubleshooting Spray Pattern TroubleshootingProblem Cause Solution Gun Operation Troubleshooting See Check Electrical Grounding on Electrical TroubleshootingSee Test Gun Resistance 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. DescriptionAccessories Air Line AccessoriesFluid 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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