Graco PR70 Machine Calibration Shots C4, Open Dispense Valve ODV Screen C3 Key

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Priming and Calibration

From the Run screen, press , then press , then press 3 times. The following screen will be displayed.

Figure 13: Open Dispense Valve (ODV) Screen (C3)

Key:

ACurrent ODV Adjustment (in mm from the cylinder entrance).

BAdjust ODV value Option ICON.

CRelative ODV Position ICON with respect to cylinder entrance (This ICON will move right or left at +/- mm transition).

DCylinder Entrance ICON (stationary).

IScreen Number (C3)

J & keys will navigate to adjacent screens.

1.To adjust the ODV position with respect to the cylinder entrance, press .

2.Press to increase the value or to decrease the value. Values of – 5.0 mm to + 5.0 mm are allowed.

3.Press to accept the value or to retain the previous value. The default value from the factory is – 1.0 mm.

4.Press twice to return to the Run screen.

Machine Calibration Shots (C4)

Read all manufacturer’s warning and material MSDS to know the specific hazards of the material used.

Calibration shots are necessary to program the machine to properly dispense the correct amount of

material. Several short CAL shots (“”) and several long CAL shots (“”) are required.

Remove the ratio check nozzle, install the static mixer intended to be used, and adjust the air pressure to the level intended for use during normal operation.

The air pressure must be set to operating conditions for this step. Significant changes in air pressure could adversely affect shot accuracy.

Figure 14: Stroke Calibration (CAL) Screen (C4)

Key:

AShort Shot Column ICON

BLast/Current Short Shot weight (mass) entry.

CLong Shot Column ICON

DLast/Current Long Shot weight (mass) entry.

EGrams (Weight or Mass unit used)

FShort Shot ICON

GLong Shot ICON

IScreen Number (C4)

J & keys will navigate to adjacent screens.

1.Press to arm the machine to take a short CAL shots. The icon will be highlighted (“”). Press to de-arm the machine.

2.Place the empty container below the static mixer, and press (green) or the footswitch.

3.Press and discard the contents of the material dispensed

4.Repeat the previous 2 steps until the static mixer is filled with material. Verify the material dispensed from the mixer is mixed properly.

5.Place a container on a scale and tare (zero) it.

6.Place the tared container below the static mixer, and press (green) or the footswitch.

7.Press to erase existing average weight data.

8.Place the container with the dispensed material on the tared scale.

9.Enter the mass in grams into the HMI, by pressing or accordingly.

10.Press to accept the number. The number entered will be transferred to the right of the average icon (“”).

11.Repeat steps 5 through 10, skipping step 7, several times. Each additional shot weight will be averaged in the row with the previous shots.

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Contents PR70 Contents Mixer and Shroud Options PR70 AccessoriesDescription Supplied ManualsRelated Manuals PR70 Feed SystemElectric Shock Hazard Equipment Misuse Hazard General Information InstallationLocate and Install the PR70 Machine SetupKey Component IdentificationPR70 Top View with Shield, Tanks, DV and HMI Removed HMI Control and IndicatorsRun Screen Operation Setup Screens with Passwords Enabled Machine Disable Mode redSetup Screens Entering the Setup ScreensPR70 Screen Navigation Diagram Machine Priming Machine CalibrationPiston 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 M2Manual DV Control Miscellaneous Machine SetupsPurge Timer / Alarm Settings M2 Manual Control Options M1M2 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 C5Setting/Clearing a Maintenance only Password Resetting PasswordsTo clear the password, enter Limitations of Demo Mode Simulation Miscellaneous Machine FeaturesHMI Hibernate Mode HMI Demo Mode OperationPressure Relief Procedure Standby/Shutdown ProcedureError Codes Error Code Table Error Code Table E29E50 Key Key Description Screen PR70 HMI Icon TableTables 3 PR70 Screen Icon Tables Tables 4 PR70 Screen Icon Tables Maintenance Software Upgrades, Run TokenRun 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