Graco Inc 309856P, TI3840a, 2004230905 Rear Rod Seal, Disassemble Front End

Page 40

Repair

Rear Rod Seal

1. Follow Pressure Relief Procedure, page 18.

2. Flush Gun, page 22.

3. Remove fluid manifold (G). Leave air connected.

G

TI3852a

4. Disassemble Front End, page 35.

5. Remove rear rod seal nut (23) with nut driver (53).

5323

7. Reassemble new rear seal (46) in rear rod seal nut

(23). Lubricate threads and install in fluid housing

(7)with nut driver.

8.Reassemble Front End, page 36.

9.Adjust Purge Rod, page 15.

10.Attach fluid manifold. Connect air. Return gun to service.

TI3869a

6. Push out rear seal (46) with screwdriver (54).

54

46

TI3872a

40

309856P

Image 40

Contents Plural Component, Impingement Mix Mechanical Purge Spray Gun Contents Manual Conventions Standard Round Pattern Guns List of Models/Selection GuidePressure in psi MPa, bar Standard Flat Pattern Guns Direct Impingement Round Pattern Guns Flow Rate in gpm lpmDirect Impingement Flat Pattern Guns Four-Hose Gun Personal Protective Equipment Fire and Explosion Hazard Overall View KeyPiston Safety Lock Isocyanate HazardKeep a and B Components Separate GroundingSetup ISODisengage piston safety lock, Adjust Purge Rod 1/4 TurnAdjust Flat CeramTip Follow Pressure Relief Procedure, ShutdownDaily Shutdown Shutdown for More than a DayPressure Relief Procedure Optional Configurations Optional Fluid Manifold PositionFollow Pressure Relief Procedure, page 18. Also Optional Hose PositionFluid Hoses Air HoseMaintenance Clean Outside of Gun Clean Air CapClean Muffler Clean Fluid ManifoldClean Slip-Fit Polycarballoy Mix Module Cleaning Component a ISO PortsImpingement Port Cleanout Drill Sizes Impingement Port Drill Counterbore DrillXF1313 #81 Clean CeramTip External Quick Cleaning MethodCleanout Drill Sizes for Round CeramTips Round CeramTipAdjust Purge Rod, Clean Purge RodStuck Purge Rod Reassemble Front End, Adjust Purge Rod, Adjust Front Rod SealDisassemble Front End, Adjust Rear Rod Seal Troubleshooting See Clean Purge Rod,Adjust Rear Rod Seal, Gun Triggered Fluid Spraying Theory of OperationGun Detriggered Mechanical Purging Cutaway View Repair Tools RequiredLubrication Replace CeramTipDisassemble Front End Reassemble Front End Adjust Purge Rod, Slip-Fit Polycarballoy Mix Module Attach fluid manifold. Return gun to service Rear Rod Seal Check Valves Piston and Purge Rod Install piston safety lock assembly until bottomed out Piston Safety Lock Air Valve309856P Parts Flush Manifold DetailPart No. Description Qty HandleSlip-Fit Polycarballoy Mix Module Kits Slip-Fit Polycarballoy Mix Module Part Numbering CodeStandard Round Pattern Guns Standard Flat Pattern GunsDirect Impingement Round Pattern Guns Direct Impingement Flat Pattern GunsCeramTip Kits Round CeramTip Part Numbering CodeFlat CeramTip Part Numbering Code Flat CeramTipsDrill Bit Kits Kit Part No Qty in Kit Drill Bit Size Illustration NominalGun Repair Kits Check Valve Filter Screen Kits 10 per kitAccessories Hose Adapter Kits Solvent Flush Pail KitPour Nozzle Kit Technical Data Category DataGraco Information Graco Standard WarrantyToll Free