Graco 309550Y important safety instructions Attach Front End, X Z

Page 28

Repair

Attach Front End

WARNING

Read warnings, page 7. 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. Engage piston safety lock, page 10.

TI2409A

2. Push on air cap (C) until it is flush with front of gun.

This ensures that mix chamber is all the way back.

C

TI2422A

3. Check that o-ring (21) is in position. Liberally lubri-

cate o-ring, threads of lock ring (R) and handle (H), and outside of lock ring. Orient front end (F) as required for desired fluid manifold mounting (bot- tom mounting is shown). Insert keyed end (W) of mix chamber in socket (X). Screw lock ring onto handle as far as possible by hand.

Y W X Z

F 21 R H

TI2416A

 

4. Turn fluid housing 1/8 turn clockwise to engage

slots (Y) and tabs (Z). Push on front end to ensure it is properly seated. Continue screwing lock ring

(R)onto handle (H) very securely. When properly assembled, lock ring is snug against handle.

RH

TI2423A

28

309550Y

Image 28
Contents Plural Component, Impingement Mix Air Purge Spray Gun Contents Manual ConventionsList of Models/Mix Chamber Selection Guide Round Pattern GunsFlat Pattern Guns Flat Pattern Stud Wall Gun No., Series In. mmIn. mm 1000 psi MPa, 70 bar 249525 249526Spatter Pattern Gun Wide Round Pattern GunFour-Hose Gun Non 11 Ratio GunsPersonal Protective Equipment Fire and Explosion Hazard Overall View KeyPiston Safety Lock Isocyanate HazardKeep a and B Components Separate GroundingTurning Air Cap Follow Pressure Relief Procedure,Loss of Air Pressure Setup Resin ISOSetup Shutdown Pressure Relief Procedure Optional Configurations Optional Fluid ManifoldPosition Remove Front End,Follow Pressure Relief Procedure, page 15. Also Optional Hose PositionFlat Spray Tips Maintenance Clean Outside of Gun Clean Air CapClean Muffler Clean Fluid ManifoldClean Mix Chamber Nozzle Clean PassagesClean Impingement Ports Nozzle Drill Bit SizesImpingement Port Drill Bit Sizes CbipTroubleshooting Problem Cause SolutionProblem Cause Solution Gun Triggered Fluid Spraying Theory of OperationGun Detriggered Air Purging Cutaway View Repair Tools RequiredLubrication Remove Front EndAttach Front End X ZMix Chamber and Side Seal Cartridges 18 B Check Valves Piston Piston Safety Lock Air ValveParts Check Valve 26 DetailPart 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 GuideFlat Tip Kits Gun Repair KitsCheck Valve Filter Screen Kits Flat Tip Part No. Reference GuideDrill Bit Kits Kit Part No Qty in Kit Drill Bit Size Illustration NominalAir Purge Handle Cleanout Drill Kit Drill Bit Kit119386 248969Accessories Wide Pattern Mix Chamber KitsStainless Steel Side Seal Kits Polycarballoy Side Seal KitsExtension Tip Kits Extension Tip Seal KitsExtension Tip Air Cap Kit Flat Pattern Stud Wall KitSpatter Conversion Kit Solvent Flush Canister KitPour Nozzle Kit Gun CoverGun Cleaning Kit Tip Cleanout ToolCirculation Manifold Air Flow Data in scfm m3/min Technical DataCategory Data Graco Information Graco Standard WarrantyToll Free