Graco TI3840a important safety instructions Pressure Relief Procedure

Page 18

Pressure Relief Procedure

Pressure Relief Procedure

WARNING

Read warnings, page 9. Relieve pressure before cleaning or repairing gun.

1. Engage piston safety lock, page 12.

TI3850a

Air supply is required for gun actuation. Do not disconnect gun air supply until fluid pressure is relieved.

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

open.

BU

TI3837a

A

3. Disengage piston safety lock, page 12.

4. Trigger gun onto cardboard or into waste container

to relieve pressure.

TI4243a

5. Engage piston safety lock, page 12.

TI3850a

WARNING

If 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.

TI3849a

TI2484A

18

309856U

Image 18

Contents Important Safety Instructions Plural Component, Impingement Mix Mechanical Purge Spray GunContents Manual Conventions List of Models/Selection Guide Standard Round Pattern GunsPressure 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 CeramTipClean Purge Rod Adjust Purge Rod,Stuck Purge Rod Adjust Front Rod Seal Reassemble Front End, Adjust Purge Rod,Disassemble Front End, Adjust Rear Rod Seal Troubleshooting See Clean Purge Rod,Adjust Rear Rod Seal, Theory of Operation Gun Triggered Fluid SprayingGun 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 Solvent Flush Pail Kit Hose Adapter KitsPour Nozzle Kit Technical Data Category DataGraco Standard Warranty Graco InformationToll Free