Machine Priming, Machine Calibration | Graco PR70 specs

Priming and Calibration

Machine Priming

Before the machine can be properly calibrated with material, it will need to be primed.

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

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

Figure 10: Maintenance Screen for Priming (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.

1.Place a waste container under the dispense valve to capture any dispensed material.

2.Press until the upper ICON is .

3.Press to extend the piston fully.

4.Press to retract the piston fully.

5.Repeat steps 3 and 4 until both materials dispense from the valve without air.

6.Press twice to return to the Run screen.

Machine Calibration

Before the machine will accurately dispense, it must be calibrated.

Be careful not to pinch fingers when manually moving the machine drive block.

Piston Position Calibration (C1)

This step should be executed the 1st time the machine is setup, and may not need to be re-executed unless the position sensor, an electronic component or a piston has been replaced.

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

Figure 11: Piston Position Calibration Screen (C1)

Key:

AFull Extend position number from last calibration

BFull Extend Command ICON

CFull Retract position number from last calibration

DFull Retract Command ICON

ECylinder Entrance position from last calibration

FCylinder Entrance Command ICON

HCurrent Piston Position Field

IScreen Number (C1)

J & keys will navigate to adjacent screens.

1.Place a waste container under the dispense valve to capture any dispensed material.

2.With air pressure applied to the machine, press .

3.The piston should fully extend and a number between 3600 to 3900 should appear for ‘H’

4.Press to accept the number or to keep the current number.

5.Press .

6.The piston should fully retract and a number between 1250 to 1600 should appear for ‘H’.

7.Press to accept the number or to keep the current number.

8.Decrease the air pressure by adjusting the machine air pressure regulator to a minimal value (i.e. ~ 10 - 20 psi).

9.Press .

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Graco PR70 important safety instructions Machine Priming, Machine Calibration, Piston Position Calibration C1

Contents

PR70 Contents Mixer and Shroud Options PR70 Accessories Related Manuals Supplied ManualsPR70 Feed System Description Electric Shock Hazard Equipment Misuse Hazard Locate and Install the PR70 InstallationMachine Setup General Information Key Component Identification PR70 Top View with Shield, Tanks, DV and HMI Removed HMI Control and Indicators Run Screen Operation Setup Screens Machine Disable Mode redEntering the Setup Screens Setup Screens with Passwords Enabled PR70 Screen Navigation Diagram Machine Calibration Machine PrimingPiston Position Calibration C1 Phasing C2 Open Dispense Valve ODV Setting C3 Open Dispense Valve ODV Screen C3 Key Machine Calibration Shots C4 Ratio Checks Shot Size Definition M2 Purge Timer / Alarm Settings M2 Miscellaneous Machine SetupsManual Control Options M1 Manual DV Control M2 after Purge Shot Size Prompt Cycle Counter and Silent Mode Control M3 Tank Level Sensing and Velocity Change Options C6 Date and Time Settings M4 Setting/Clearing an Administrative Password Password Setup / Clearing C5 Resetting Passwords Setting/Clearing a Maintenance only PasswordTo clear the password, enter HMI Hibernate Mode Miscellaneous Machine FeaturesHMI Demo Mode Operation Limitations of Demo Mode Simulation Standby/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 Troubleshooting Major Mechanical Assemblies, and Attachments Repair PR70 Base Frame Assembly LC0109 Key Base Frame Assembly Air Cylinder Assemblies, and Rebuild Kits PR70 Air Cylinder System and Schematic Air Cylinder Assemblies Pump Assembly Pump Assemblies and Rebuild Kits Drive Block Assembly PR70 Check Valve Rebuild Kit LC0093 Key To install a new Check Valve Rebuild Kit PR70 Rear Pump Rebuild Kit LC0094 Key To install a new Rear Pump Rebuild Kit Piston Cylinders or Metering Tubes PR70 Nylon and Uhmwpe Piston Replacement Kits Key Nylon Pistons see Figure To install a new Piston or Piston/Cylinder Replacement Kit Available PR70 Piston and Cylinder Metering Tubes Kits Key Hose Assemblies To install a new Piston Plug Assembly Heated Piston to DV Hose Assemblies To Replace the Fuses Miscellaneous Mechanical Assemblies PR70 Control Bracket Assembly LC0108 Key PR70 Hydracheck Components PR70 Wiring Interconnect Illustration Wiring Diagrams Wiring Diagram, PR70 Category Data Technical Data PR70 Dimensions ON-Board PE Tank version Illustrated Dimensions Graco Information Graco Ohio Standard Warranty