Flush Gun, Clean Outside of Gun, Clean Air Cap | Graco 309550Y

Maintenance

Flush Gun

If it is necessary to flush gun, use following procedure.

WARNING

Read warnings, page 8.

1. Follow Pressure Relief Procedure, page 15.

2. Flush with compatible solvent into a grounded

metal pail, holding a metal part of fluid manifold firmly to side of pail. Use the lowest possible fluid pressure when flushing.

3. Follow Pressure Relief Procedure, page 15.

For a more thorough flush, Solvent Flush Kit 218669 is available as an accessory. The kit con- nects to Flush Manifold 15B817.

Clean Outside of Gun

Wipe off outside of gun with compatible solvent.

Use N Methyl Pyrrolidone (NMP), Dynasolve CU-6, Dzolv, or equivalent to soften cured material.

CAUTION

These solvents are not recommended for flushing.

Clean Air Cap

Soak air cap in compatible solvent. Clean holes with #58 (.042) drill bit.

Clean Muffler

Remove and clean muffler with compatible solvent.

Clean Fluid Manifold

Clean fluid manifold sealing faces with compatible sol- vent and a brush whenever removed from gun. Be sure to clean the two fluid ports (X) in the top mating surface. Do not damage the flat sealing surfaces. Coat with grease if left exposed, to seal out moisture.

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TI2411-1

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309550Y

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Graco 309550Y Flush Gun, Clean Outside of Gun, Clean Air Cap, Clean Muffler, Clean Fluid Manifold

Contents

Plural Component, Impingement Mix Air Purge Spray Gun Contents Manual Conventions List of Models/Mix Chamber Selection Guide Round Pattern Guns Flat Pattern Guns Flat Pattern Stud Wall Gun No., Series In. mmIn. mm 1000 psi MPa, 70 bar 249525 249526 Spatter Pattern Gun Wide Round Pattern GunFour-Hose Gun Non 11 Ratio Guns Personal Protective Equipment Fire and Explosion Hazard Overall View Key Piston Safety Lock Isocyanate HazardKeep a and B Components Separate Grounding Loss of Air Pressure Follow Pressure Relief Procedure,Turning Air Cap Setup Resin ISO Setup Shutdown Pressure Relief Procedure Optional Configurations Optional Fluid ManifoldPosition Remove Front End, Follow Pressure Relief Procedure, page 15. Also Optional Hose Position Flat Spray Tips Maintenance Clean Outside of Gun Clean Air CapClean Muffler Clean Fluid Manifold Clean Mix Chamber Nozzle Clean PassagesClean Impingement Ports Nozzle Drill Bit Sizes Impingement Port Drill Bit Sizes Cbip Troubleshooting Problem Cause Solution Problem Cause Solution Gun Detriggered Air Purging Theory of OperationGun Triggered Fluid Spraying Cutaway View Repair Tools RequiredLubrication Remove Front End Attach Front End X Z Mix Chamber and Side Seal Cartridges 18 B Check Valves Piston Piston Safety Lock Air Valve Parts Check Valve 26 Detail Part No. Description Qty Round Pattern Guns,See Flat Pattern Guns, See Supplied Tools, Detail Views Mix Chamber Kits Round Pattern GunsFlat Pattern Guns Mix Chamber Part No. Reference Guide Flat Tip Kits Gun Repair KitsCheck Valve Filter Screen Kits Flat Tip Part No. Reference Guide Drill Bit Kits Kit Part No Qty in Kit Drill Bit Size Illustration Nominal Air Purge Handle Cleanout Drill Kit Drill Bit Kit119386 248969 Accessories Wide Pattern Mix Chamber KitsStainless Steel Side Seal Kits Polycarballoy Side Seal Kits Extension Tip Kits Extension Tip Seal KitsExtension Tip Air Cap Kit Flat Pattern Stud Wall Kit Spatter Conversion Kit Solvent Flush Canister KitPour Nozzle Kit Gun Cover Circulation Manifold Tip Cleanout ToolGun Cleaning Kit Category Data Technical DataAir Flow Data in scfm m3/min Toll Free Graco Standard WarrantyGraco Information