Graco TI3840a important safety instructions Repair, Tools Required, Lubrication, Replace CeramTip

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Repair

Repair

Tools Required

Tools needed for complete gun repair:

•adjustable wrench

•flat head screwdriver (included)

•channel-lock pliers (2 pair)

•5/16 hex nut driver (included)

•o-ring pick

•medium-strength Loctitep

•solvent or alcohol

Lubrication

Liberally lubricate all o-rings, seals, and threads with Fusion Gun Lubricant, page 53. Lubricate threads and outside of lock ring (11).

Replace CeramTip

1. Follow Pressure Relief Procedure, page 18.

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

G

TI3852a

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

TI3828a

4. Remove air cap (9), retainer (28), and CeramTip

(40).

28 40

9

TI3843a

If CeramTip is stuck, trigger and detrigger gun once to release it.

5. Install new CeramTip (40). Lubricate all threads.

Install retainer (28) fingertight, plus 1 notch. Install air cap (9) fingertight.

6. Adjust Purge Rod, page 15.

7. Attach fluid manifold. Return gun to service.

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309856U

Image 34

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 KeyKeep a and B Components Separate Piston Safety LockIsocyanate Hazard GroundingSetup ISODisengage piston safety lock, Adjust Purge Rod 1/4 TurnAdjust Flat CeramTip Daily Shutdown Follow Pressure Relief Procedure,Shutdown Shutdown for More than a DayPressure Relief Procedure Optional Configurations Optional Fluid Manifold PositionFluid Hoses Follow Pressure Relief Procedure, page 18. AlsoOptional Hose Position Air HoseMaintenance Clean Muffler Clean Outside of GunClean Air Cap Clean Fluid ManifoldClean Slip-Fit Polycarballoy Mix Module Cleaning Component a ISO PortsImpingement Port Cleanout Drill Sizes XF1313 #81 Cleanout Drill Sizes for Round CeramTips Clean CeramTipExternal Quick Cleaning Method 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 Lubrication RepairTools Required 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 HandleStandard Round Pattern Guns Slip-Fit Polycarballoy Mix Module KitsSlip-Fit Polycarballoy Mix Module Part Numbering Code Standard Flat Pattern GunsDirect Impingement Round Pattern Guns Direct Impingement Flat Pattern GunsFlat CeramTip Part Numbering Code CeramTip KitsRound 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