Graco Inc TI1713A, 309298J, 244592, PRO Auto Xs AA Piston Repair, Piston O-Rings

Page 42

Repair

Piston Repair

1.Prepare the gun for service, page 35.

2.Remove the air cap, page 37. Remove the gun shroud (2).

3.Remove the jam nut (28), actuator arm (29), and adjustment nut (30). See FIG. 30..

TI1732A

28 29 30 34b

Fig. 30. Actuator Arm

4.Push on the piston rod (34b) to push the piston out the back of the gun.

5.Inspect the o-rings (34e, 34f, 34g) and u-cup pack- ing (34d) for damage. See Table 3 and FIG. 31..

6.Lubricate the o-rings (34e, 34f, 34g) and u-cup packing (34d) with non-silicone grease, Part No. 111265. Do not over-lubricate.

7.Align the two stems (34c) with the holes in the gun body and press the piston assembly into the back of the gun until it bottoms.

8.Install and adjust the actuator arm, page 43.

Table 3: Piston O-Rings

Description

Function

 

 

Shaft O-Ring

Seals cylinder air along the piston rod

(34g)

(34b). Replace if air leaks along rod.

 

 

Front O-Ring

Air shutoff seal. Replace if air leaks from

(34e)

air cap when gun is de-triggered.

 

 

Back O-Ring

Separates cylinder air from atomizing air.

(34f)

 

 

 

U-Cup (34d)

Replace if air leaks from small vent hole

 

at back of manifold when gun is trig-

 

gered.

 

 

34a

34d

34c

34f

34e

TI1575A

34b

34d 34g

34f

34e

34g

TI1576A

Fig. 31. Piston O-Rings

42

309298J

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Contents See page 2 for Table of Contents Instructions/Parts ListImportant Safety Instructions II 2 G EEx 0.24MJTable of Contents Symbols Fire, Explosion, and Electric Shock HazardSkin Injection Hazard Toxic Fluid HazardEquipment Misuse Hazard How the Electrostatic AA Spray Gun Works Gun Features and OptionsIntroduction Operating the Spray FunctionChanging the kV Setting KV1 and KV2 Switch SettingsKV1 Air KV2 Air Output Voltage kV TI1714A Manifold Back View Manifold MarkingsInstallation Install the SystemVentilate the Spray Booth Non-Hazardous Area Manifold Back View Non-Hazardous AreaComponent Rupture Hazard Install the Air Line AccessoriesInstall the Fluid Line Accessories Skin Injection HazardInstall the Gun and Mounting Bracket Mounting BracketElectric Shock Hazard Connect the Air and Fluid LinesManifold Connections Supply HoseOptional Fiber Optic Cable Connection Fiber Optic FittingGrounding Check Electrical Grounding Check Gun GroundingInstall the Fabric Cover Check Fluid ResistivityCheck Fluid Viscosity Relief Procedure at left Pressure Relief ProcedureOperating Checklist OperationInstall the Spray Tip Select a Spray TipPsi 21 MPa, 210 bar Set the Atomization Fluid PressurePressurized Equipment Hazard CorrectAdjust the Electrostatics Dynamic Turbine Air PressuresTurbine Air Air pressure at turbine air hose Hose Length Shutdown SprayingTriggering the Fluid Alone Fire and Explosion HazardDo not point the gun up while cleaning it MaintenanceDaily Care and Cleaning Do not immerse the gun in fluidFire, Explosion, and Electric Shock Hazard Flush the Spray Gun Remove Spray Tip Before FlushingClean the Spray Gun ProcedureEquipment Needed Clean the Inline Fluid Filter Check for Fluid Leakage Check for Fluid Leakage Skin Injection HazardElectrical Tests Test Gun ResistanceTest Power Supply Resistance Test Power Supply ResistanceTest Barrel Resistance Test Barrel ResistanceTroubleshooting Spray Pattern TroubleshootingGun Operation Troubleshooting See Check Electrical Grounding on Electrical TroubleshootingSee Test Gun Resistance on 16 and Test Gun ResistancePrepare the Gun for Service RepairInstall the Gun on the Manifold Remove the Gun from the ManifoldTip 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 Not overtightenPiston Repair Piston O-RingsAdjust the Actuator Arm Actuator Arm AdjustmentBarrel Removal Barrel RemovalBarrel Installation Barrel InstallationPower Supply Removal and Replacement Turbine Alternator Removal and Replacement Power SupplyParts Part No PRO Auto Xs AA Electrostatic Gun, Series aRef. No Alternator Detail Description Qty Plug Spray Tip Selection Chart Fan Width at Orifice SizeAir Line Accessories AccessoriesGun Accessories Fluid Line AccessoriesES Display Module Safety Warning SignsPaint Probe Fiber Optic Y CablesAccessories 309298J Technical Data Category DataGraco Standard Warranty Graco InformationToll Free

244592, PRO Auto Xs AA, TI1713A, 309298J specifications

Graco Inc is a renowned brand in the field of fluid handling systems and accessories, with a reputation for delivering high-quality products that serve a variety of industries, including automotive, construction, and manufacturing. Among their extensive lineup, the Graco 309298J, TI1713A, PRO Auto Xs AA, 244592 represents a significant advancement in spray technology, notably regarded for its efficiency and versatility.

The Graco 309298J model is a part of the PRO Auto Xs series, designed specifically for high-performance spray applications. One of the standout features of this equipment is its auto-adjusting technology, which automatically adapts the spray pattern based on the surface being coated. This ensures uniform coverage and reduces the waste of material, making it an environmentally friendly option.

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In summary, the Graco 309298J Pro Auto Xs AA, 244592 is a sophisticated spray solution that showcases the fusion of advanced technology and user-centric design, catering to professionals seeking efficiency, versatility, and reliability in their spray applications. This model stands out as an essential tool for anyone looking to enhance their workflow and achieve exceptional finish quality.
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