Disassemble Front End | Graco TI3840a manual

Disassemble Front End

WARNING

Read warnings, page 9. Proper attachment of front end is critical. Do not operate gun if front end is loose or lock ring is not snug against handle.

1. Follow Pressure Relief Procedure, page 18.

2. Flush Gun, page 22.

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

5. Remove mix module nut (25), using air cap (9)

backwards, or a wrench. Remove front seal (46).

9

46

25

TI3843a

Repair

CAUTION

If lock ring (11) is stuck due to material buildup, do not force it by turning entire front end. Locating tabs (Z) may break off. Soak front of gun in solvent to soften cured material and free lock ring.

CAUTION

To prevent damage to purge rod (31), always pull front end straight off handle (1).

6. Unscrew lock ring (11) to remove front end and mix

module. Pull front end straight off handle.

11Z

31

TI3865b

309856U

35

Image 35

Graco TI3840a important safety instructions Disassemble Front End

Contents

Plural Component, Impingement Mix Mechanical Purge Spray Gun Important Safety Instructions Contents Manual Conventions Pressure in psi MPa, bar List of Models/Selection GuideStandard Round Pattern Guns 247291, a Standard Flat Pattern Guns Flow Rate in gpm lpm Direct Impingement Round Pattern Guns Direct Impingement Flat Pattern Guns Four-Hose Gun Personal Protective Equipment Fire and Explosion Hazard Key Overall View Grounding Piston Safety LockIsocyanate Hazard Keep a and B Components Separate ISO Setup Disengage piston safety lock, 1/4 Turn Adjust Purge Rod Adjust Flat CeramTip Shutdown for More than a Day Follow Pressure Relief Procedure,Shutdown Daily Shutdown Pressure Relief Procedure Optional Fluid Manifold Position Optional Configurations Air Hose Follow Pressure Relief Procedure, page 18. AlsoOptional Hose Position Fluid Hoses Maintenance Clean Fluid Manifold Clean Outside of GunClean Air Cap Clean Muffler Cleaning Component a ISO Ports Clean Slip-Fit Polycarballoy Mix Module Impingement Port Cleanout Drill Sizes XF1313 #81 Round CeramTip Clean CeramTipExternal Quick Cleaning Method Cleanout Drill Sizes for Round CeramTips Stuck Purge Rod Clean Purge RodAdjust Purge Rod, Disassemble Front End, Adjust Front Rod SealReassemble Front End, Adjust Purge Rod, Adjust Rear Rod Seal See Clean Purge Rod, Troubleshooting Adjust Rear Rod Seal, Gun Detriggered Mechanical Purging Theory of OperationGun Triggered Fluid Spraying Cutaway View Replace CeramTip RepairTools Required Lubrication Disassemble 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 Air Valve Piston Safety Lock 309856U Flush Manifold Detail Parts Handle Part No. Description Qty Standard Flat Pattern Guns Slip-Fit Polycarballoy Mix Module KitsSlip-Fit Polycarballoy Mix Module Part Numbering Code Standard Round Pattern Guns Direct Impingement Flat Pattern Guns Direct Impingement Round Pattern Guns Flat CeramTips CeramTip KitsRound CeramTip Part Numbering Code Flat CeramTip Part Numbering Code Kit Part No Qty in Kit Drill Bit Size Illustration Nominal Drill Bit Kits Check Valve Filter Screen Kits 10 per kit Gun Repair Kits Accessories Pour Nozzle Kit Solvent Flush Pail KitHose Adapter Kits Category Data Technical Data Toll Free Graco Standard WarrantyGraco Information