Graco TI3840a important safety instructions Adjust Front Rod Seal, Disassemble Front End

Page 28

Maintenance

3. Disconnect air (D) and remove fluid manifold (G).

G

D

TI3837a

4. Disassemble Front End, page 35.

5. Clean exposed portion of purge rod (31). Apply Fusion Gun Lubricant, page 53.

31

TI3873a

6. Reassemble Front End, page 36.

7. Adjust Purge Rod, page 15.

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

Adjust Front Rod Seal

If fluid misting occurs from tip when gun is not triggered, use following procedure to temporarily stop leakage until parts are replaced.

1. Follow Pressure Relief Procedure, page 18.

2. Back out purge rod 1-2 turns with nut driver.

TI3828a

3. Remove air cap (9).

28

9

TI3854a

4. Trigger gun and hold. Tighten retainer (28) an addi-

tional notch, to tighten front seal (46) onto purge rod (31).

5. Detrigger gun. Reassemble air cap (9) fingertight.

6. Adjust Purge Rod, page 15.

28

309856U

Image 28

Contents Important Safety Instructions Plural Component, Impingement Mix Mechanical Purge Spray GunContents Manual Conventions Standard Round Pattern Guns List of Models/Selection GuidePressure in psi MPa, bar Standard Flat Pattern Guns 247291, aDirect 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 XF1313 #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 Valve309856U 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