Graco Water Dispenser Operation and Maintenance Guide for PR70 Models

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Operation and Maintenance

PR70™

2 Component	312393J
Liquid Dispensing Systems	EN

PR70 All Models

3000 psi (21 MPa, 207 bar) Maximum Working Pressure 100 PSI (0.7 MPa, 7 bar) Maximum Air Inlet Pressure

For Dispensing Multi-part Sealants and Adhesives.

Not Designed for Use in Explosive Atmospheres.

Important Safety

Instructions

Read all warnings and instructions in this manual.

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Contents PR70 Contents Mixer and Shroud Options PR70 AccessoriesRelated Manuals Supplied ManualsPR70 Feed System DescriptionElectric Shock Hazard Equipment Misuse Hazard Locate and Install the PR70 InstallationMachine Setup General InformationKey Component IdentificationPR70 Top View with Shield, Tanks, DV and HMI Removed HMI Control and IndicatorsRun Screen Operation Setup Screens Machine Disable Mode redEntering the Setup Screens Setup Screens with Passwords EnabledPR70 Screen Navigation Diagram Machine Calibration Machine PrimingPiston Position Calibration C1 Phasing C2 Open Dispense Valve ODV Setting C3Open Dispense Valve ODV Screen C3 Key Machine Calibration Shots C4Ratio Checks Shot Size Definition M2Purge Timer / Alarm Settings M2 Miscellaneous Machine SetupsManual Control Options M1 Manual DV ControlM2 after Purge Shot Size Prompt Cycle Counter and Silent Mode Control M3Tank Level Sensing and Velocity Change Options C6 Date and Time Settings M4Setting/Clearing an Administrative Password Password Setup / Clearing C5Resetting Passwords Setting/Clearing a Maintenance only PasswordTo clear the password, enter HMI Hibernate Mode Miscellaneous Machine FeaturesHMI Demo Mode Operation Limitations of Demo Mode SimulationStandby/Shutdown Procedure Pressure Relief ProcedureError Codes Error Code Table E29 Error Code TableE50 PR70 HMI Icon Table Key Key Description ScreenTables 3 PR70 Screen Icon Tables Tables 4 PR70 Screen Icon Tables Software Upgrades, Run Token MaintenanceRun Token Problem Cause Solution TroubleshootingMajor Mechanical Assemblies, and Attachments RepairPR70 Base Frame Assembly LC0109 Key Base Frame AssemblyAir Cylinder Assemblies, and Rebuild Kits PR70 Air Cylinder System and SchematicAir Cylinder Assemblies Pump Assembly Pump Assemblies and Rebuild Kits Drive Block AssemblyPR70 Check Valve Rebuild Kit LC0093 Key To install a new Check Valve Rebuild KitPR70 Rear Pump Rebuild Kit LC0094 Key To install a new Rear Pump Rebuild KitPiston Cylinders or Metering Tubes PR70 Nylon and Uhmwpe Piston Replacement Kits KeyNylon Pistons see Figure To install a new Piston or Piston/Cylinder Replacement KitAvailable PR70 Piston and Cylinder Metering Tubes Kits Key Hose Assemblies To install a new Piston Plug AssemblyHeated Piston to DV Hose Assemblies To Replace the Fuses Miscellaneous Mechanical AssembliesPR70 Control Bracket Assembly LC0108 Key PR70 Hydracheck Components PR70 Wiring Interconnect Illustration Wiring DiagramsWiring Diagram, PR70 Category Data Technical DataPR70 Dimensions ON-Board PE Tank version Illustrated DimensionsGraco Information Graco Ohio Standard Warranty