Graco PR70 Miscellaneous Machine Setups, Manual Control Options M1, Manual DV Control

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Priming and Calibration

6.Place an empty container on a scale, and tare (zero) the scale. Repeat the process with a 2nd container on a 2nd scale.

7.Place both containers under the ratio check nozzle, positioned so one container captures material A, and the 2nd container captures material B.

8.Press the footswitch.

9.After the material is dispensed, place each container on the same scale, and measure the net mass of each of the materials. Record the mass of both the A and B materials.

10.Divide the A material mass by the B material mass to obtain the material ratio being dispensed.

Miscellaneous Machine Setups

The following sections outline how to configure various optional settings.

Manual Control Options (M1)

The user can control the machine’s piston position and displacement valve operation manually the M1 screen.

From the Run Screen press then press . The following screen will be displayed.

Figure 17: Maintenance Screen (M1)

Key:

AFull Retract ICON

BFull Extend ICON

CChange Dispense Valve Mode = Always Open

= Always Closed

= Opens at Cylinder Entrance (Automatic)

DCurrent Piston Position

ECurrent Dispense Valve Mode

FScreen Number (C1)

G & keys will navigate to adjacent screens.

Manual Piston Control:

1.Press to extend the piston.

2.Press to retract the piston.

Manual DV Control:

1.To change the DV operation press the third blue key from the left.

2.When the Current Dispense Valve Mode (E in Figure 17) is , the valve will open and stay open regardless of the piston position.

3.When the Current Dispense Valve Mode is , the valve will close and stay closed regardless of the piston position.

4.When the Current Dispense Valve Mode is , the valve will be in automatic mode, opening when the pump gets to the cylinder entrance and closing when it gets to the end of the cylinder.

5.Press twice to return to the Run screen.

Purge Timer / Alarm Settings (M2)

When activate, the Purge Timer will automatically dispense a shot if the machine is idle (not dispensing material) for a programmed duration of time. This prevents the mixed material from hardening in the static mixer. To set the Purge Timer;

From the Run screen, press , then press , and then press once. The following screen will be displayed.

Figure 18: M2 after Purge Timer Selection

1.Press .

2.Press or to enter the purge timer value. This idle time allowed before the machine will automatically dispense a shot to clear the mixer.

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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 Piston Position Calibration C1 Machine PrimingMachine Calibration 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 C5To clear the password, enter Setting/Clearing a Maintenance only PasswordResetting Passwords HMI Hibernate Mode Miscellaneous Machine FeaturesHMI Demo Mode Operation Limitations of Demo Mode SimulationError Codes Pressure Relief ProcedureStandby/Shutdown Procedure Error Code Table E50 Error Code TableE29 Tables 3 PR70 Screen Icon Tables Key Key Description ScreenPR70 HMI Icon Table Tables 4 PR70 Screen Icon Tables Run Token MaintenanceSoftware Upgrades, Run 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