Graco 309550Y important safety instructions Pressure Relief Procedure

Page 15

Pressure Relief Procedure

WARNING

Read warnings, page 7. Relieve pressure before cleaning or repairing gun.

1. Engage piston safety lock, page 10.

TI2409A

CAUTION

Air supply is required for gun actuation. Do not dis- connect gun air supply until fluid pressure is relieved.

2. Close fluid valves A and B. Leave air valve (W)

open.

TI2421A

3. Disengage piston safety lock, page 10.

4. Trigger gun onto cardboard or into waste container

to relieve pressure.

TI4722a

5. Engage piston safety lock, page 10.

TI2409A

WARNING

Fluid in the hose and proportioner is still under pres- sure. Follow the Pressure Relief Procedure in the pro- portioner manual.

To relieve pressure in the hose after the gun is removed, place the fluid manifold over containers, fac- ing away from you. Very carefully open the fluid valves. Under high pressure, fluid will spray sideways from the fluid ports.

TI2484A

TI2410A

309550Y

Image 15

Contents Plural Component, Impingement Mix Air Purge Spray Gun Manual Conventions ContentsRound Pattern Guns List of Models/Mix Chamber Selection GuideFlat Pattern Guns 249526 Flat Pattern Stud Wall GunNo., Series In. mm In. mm 1000 psi MPa, 70 bar 249525Non 11 Ratio Guns Spatter Pattern GunWide Round Pattern Gun Four-Hose GunPersonal Protective Equipment Fire and Explosion Hazard Key Overall ViewGrounding Piston Safety LockIsocyanate Hazard Keep a and B Components SeparateFollow Pressure Relief Procedure, Turning Air CapLoss of Air Pressure Resin ISO SetupSetup Shutdown Pressure Relief Procedure Remove Front End, Optional ConfigurationsOptional Fluid Manifold PositionOptional Hose Position Follow Pressure Relief Procedure, page 15. AlsoFlat Spray Tips Maintenance Clean Fluid Manifold Clean Outside of GunClean Air Cap Clean MufflerNozzle Drill Bit Sizes Clean Mix Chamber NozzleClean Passages Clean Impingement PortsCbip Impingement Port Drill Bit SizesProblem Cause Solution TroubleshootingProblem Cause Solution Theory of Operation Gun Triggered Fluid SprayingGun Detriggered Air Purging Cutaway View Remove Front End RepairTools Required LubricationX Z Attach Front EndMix Chamber and Side Seal Cartridges 18 B Check Valves Piston Air Valve Piston Safety LockCheck Valve 26 Detail PartsSee Supplied Tools, Part No. Description QtyRound Pattern Guns, See Flat Pattern Guns,Detail Views Mix Chamber Part No. Reference Guide Mix Chamber KitsRound Pattern Guns Flat Pattern GunsFlat Tip Part No. Reference Guide Flat Tip KitsGun Repair Kits Check Valve Filter Screen KitsKit Part No Qty in Kit Drill Bit Size Illustration Nominal Drill Bit Kits248969 Air Purge Handle Cleanout Drill KitDrill Bit Kit 119386Polycarballoy Side Seal Kits AccessoriesWide Pattern Mix Chamber Kits Stainless Steel Side Seal KitsFlat Pattern Stud Wall Kit Extension Tip KitsExtension Tip Seal Kits Extension Tip Air Cap KitGun Cover Spatter Conversion KitSolvent Flush Canister Kit Pour Nozzle KitTip Cleanout Tool Gun Cleaning KitCirculation Manifold Technical Data Air Flow Data in scfm m3/minCategory Data Graco Standard Warranty Graco InformationToll Free