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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3A1570A

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Contents Important Safety Instructions Repair-PartsContents Proportioner Models SystemsRelated Manuals Manual DescriptionElectric Shock Hazard Fire and Explosion Hazard Equipment Misuse Hazard Important Two-Component Material Information Changing Materials Symbol Code Code Name Diagnosis Cause DataTrak Diagnostic CodesTemperature Control Diagnostic Codes E01 High fluid temperature Causes of E01 ErrorsSensor Connector Continuity Checks Pins Description Reading ChecksE02 High zone current E03 No zone currentE99 Loss of communication E05 Control board over temperatureE06 Communication cable unplugged Pressure Relief ProcedureShutdown Before Beginning RepairParkFlushing Open CloseTroubleshooting ProblemsPower Pumps and PressuresProblem Cause Solution Problem Cause Solution ElectronicsProblem Cause Solution Sor FTS or thermocouple discon See E04 Fluid Temperature SenHeater Hose Heat System Problem Cause Solution Disconnect Pump Follow Pressure Relief Procedure,Repair Connect Pump Install Air Motor Remove Air MotorAir Filter Element Installation Recirculation / Over Pressure Relief BlockAir Inlet Filter / Water Separator Auto Drain Air Filter Element RemovalTemperature Control Module Temperature Control Module ConnectionsConnector Description Bottom of Power ModulesReplacing Temperature Control Assembly Modules Test SCR CircuitLine Voltage Primary HeaterHeater Element KW Dual Zone Heater Thermocouple ThermocoupleOvertemperature Switch Check Hose ConnectorsPins Result Heated HoseTest/Removal Fluid Temperature Sensor FTSInstallation Model Secondary Voltage Transformer Primary CheckTransformer Secondary Check Replace Transformer Replace Circuit Breaker Module Size ComponentPump Lubrication System Pump Lubrication SystemFluid Inlet Strainer Screen Temperature DisplayRefer to Reactor A-25 Wiring Schematic, Detail of Membrane Switches and Temperature Display Board Display ModuleReplace Fuse Replace DataTrak Battery or FuseReplace Battery Accessories Recommended Spare PartsParts 7984 100 888Torque pump locking nuts to 66-74 ft-lbs 90-100 Nm Part Description Qty CartNipple Control Panel ScrewRef. Part Description Qty Temperature ControlWheel Kit Fluid Manifold Fluid Inlet KitKw Dual Zone Heater, 24J788 RingAir Motor Pump Assembly PLUG, PipeColor Diameter Air Tubing ConnectionsLength Connection Outside Ft m From Breaker Module Reactor A-25 Wiring Schematic PhasePOD Reactor A-25 Wiring Schematic Simplified Schematic, Heater Controls Technical Data Category DataGraco Standard Warranty Graco Information
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