Graco A-25 important safety instructions Changing Materials

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Important Two-Component Material Information

Changing Materials

Changing the material types used in your equipment requires special attention to avoid equipment damage and downtime.

When changing materials, flush the equipment mul- tiple times to ensure it is thoroughly clean.

Always clean the fluid inlet strainers after flushing.

Check with your material manufacturer for chemical compatibility.

When changing between epoxies and urethanes or polyureas, disassemble and clean all fluid compo- nents and change hoses. Epoxies often have amines on the B (hardener) side. Polyureas often have amines on the B (resin) side.

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Contents Operation Contents Proportioner Models SystemsRelated Manuals Proportioner Heated Hose GunElectric Shock Hazard Fire and Explosion Hazard Equipment Misuse Hazard Important Two-Component Material Information Changing Materials Typical Installation, without Circulation Typical Installation, without Circulation Key for FIGTypical Installation, with Circulation Typical Installation, with CirculationIG Typical Installation Component IdentificationMain Air Filter Filters system air supply Control Panel Temperature Controls and IndicatorsSee Tempera- ture Controls and Indicators Main Power Switch Size ComponentLocate Reactor A-25 Electrical Requirements SetupDetermine Power Source Configure to Supply Power Step One Connect Electrical CordTerminal Blocks WattsHeater Jumpers Air Supply Connection Iso Pump Lubrication System SetupGround System Fluid Supply Connections Connect Heated Hose Install Fluid Temperature Sensor FTSRecirculation / Pressure Relief Lines Fusion AP Gun shown Pressure Check Hose Initial StartupLoad Fluid with Feed Pumps Set Temperatures Manual current control mode onlySupply Wet-Cups with Throat Seal Liquid Spraying ClosedSpray Adjustments SB SAPressure Relief Procedure ParkShutdown Open CloseFlushing Daily Start-up Procedure OperationOpen gun fluid manifold valves a and B Fluid Circulation Circulation Through ReactorCirculation Through Gun Manifold Circulation Kit CK Part Gun ManualSetup Mode DataTrak Controls and IndicatorsRun Mode Setup Mode Run ModeSee DataTrak Diagnostic Codes DataTrak OperationMaintenance Diagnostic Codes Temperature Control Diagnostic CodesDataTrak Diagnostic Codes Symbol Code Code Name Diagnosis CauseDimensions With Wheels Without Wheels Dimension In. mmTechnical Data Category DataGraco Standard Warranty Graco Information
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