Graco PR70 important safety instructions Shot Size Definition M2, Ratio Checks

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Priming and Calibration

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

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

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

15.Press to erase existing average weight data.

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

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

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

19.Repeat steps 13 through 18, skipping step 15, several times. Each additional shot weight will be averaged in the row with the previous shots.

20.Press to de-arm the cal shot.

21.Press twice to return to the Run screen.

Shot Size Definition (M2)

To dispense in Shot Mode, one or more, up to 5, shot sizes need to be entered. This step is not required for Operator mode.

IScreen Number (M2).

J & keys will navigate to adjacent screens.

1. Press . The following screen will be displayed:

Figure 16: M2 Shot Definition Screen

2.Press or to select a shot number to define.

3.Press or to enter the shot size.

The shot size (in grams) must be greater than the Short CAL Shot size from the previous C4 calibration screen.

4.Press to accept the value or to retain the previous value.

5.Repeat the previous 2 steps for other shot sizes as required.

6.Press to exit the Shot Definition screen.

7.Press twice to return to the Run screen.

Ratio Checks

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

Figure 15: Shot Size and Purge Timer Screen (M2)

Key:

AShot Number

BShot Size (in grams).

CPurge Timer Setting (Turned OFF in Figure 15).

DPurge Timer Alarm Setting.

EDefine Shot ICON

FSet Purge Timer ICON

GPurge Timer Warning ICON.

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

This is a procedure to verify the weight ratio between the 2 materials. This is easiest to do with two scales.

1.From the Run screen, put the machine in Shot

mode (“”). See page 13.

2.Verify that the machine is properly calibrated and phased as outlined in the calibration section.

3.Remove any static mixer attached to the dispense valve and replace it with a ratio check nozzle. Place a waste container under the valve to capture any dispensed material.

4.Select a shot size between the Short and Long CAL shot sizes previously done, by pressing or and to accept.

5.Place the empty container below the Ratio Check Nozzle and the footswitch. Discard this shot.

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Contents PR70 Contents PR70 Accessories Mixer and Shroud OptionsSupplied Manuals Related ManualsPR70 Feed System DescriptionElectric Shock Hazard Equipment Misuse Hazard Installation Locate and Install the PR70Machine Setup General InformationComponent Identification KeyHMI Control and Indicators PR70 Top View with Shield, Tanks, DV and HMI RemovedRun Screen Operation Machine Disable Mode red Setup ScreensEntering the Setup Screens Setup Screens with Passwords EnabledPR70 Screen Navigation Diagram Machine Calibration Machine PrimingPiston Position Calibration C1 Open Dispense Valve ODV Setting C3 Phasing C2Machine Calibration Shots C4 Open Dispense Valve ODV Screen C3 KeyShot Size Definition M2 Ratio ChecksMiscellaneous Machine Setups Purge Timer / Alarm Settings M2Manual Control Options M1 Manual DV ControlCycle Counter and Silent Mode Control M3 M2 after Purge Shot Size PromptDate and Time Settings M4 Tank Level Sensing and Velocity Change Options C6Password Setup / Clearing C5 Setting/Clearing an Administrative PasswordResetting Passwords Setting/Clearing a Maintenance only PasswordTo clear the password, enter Miscellaneous Machine Features HMI Hibernate ModeHMI 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 Troubleshooting Problem Cause SolutionRepair Major Mechanical Assemblies, and AttachmentsBase Frame Assembly PR70 Base Frame Assembly LC0109 KeyPR70 Air Cylinder System and Schematic Air Cylinder Assemblies, and Rebuild KitsAir Cylinder Assemblies Pump Assembly Drive Block Assembly Pump Assemblies and Rebuild KitsTo install a new Check Valve Rebuild Kit PR70 Check Valve Rebuild Kit LC0093 KeyTo install a new Rear Pump Rebuild Kit PR70 Rear Pump Rebuild Kit LC0094 KeyPR70 Nylon and Uhmwpe Piston Replacement Kits Key Piston Cylinders or Metering TubesTo install a new Piston or Piston/Cylinder Replacement Kit Nylon Pistons see FigureAvailable PR70 Piston and Cylinder Metering Tubes Kits Key To install a new Piston Plug Assembly Hose AssembliesHeated Piston to DV Hose Assemblies Miscellaneous Mechanical Assemblies To Replace the FusesPR70 Control Bracket Assembly LC0108 Key PR70 Hydracheck Components Wiring Diagrams PR70 Wiring Interconnect IllustrationWiring Diagram, PR70 Technical Data Category DataDimensions PR70 Dimensions ON-Board PE Tank version IllustratedGraco Ohio Standard Warranty Graco Information