Graco 312759R - Manual

Warnings 312759R 11 Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclama-tion point symbol aler ts you to a general warning and the hazard symbol refers to procedure-specific risk. Refer back to these warnings. Additional, product-...

Component Identification 312759R 13 Component Identification F IG . 1:PR70v with On-Board Tanks and Other Options 101 Key: 101 Tanks102 Dispense Head103 Snuff Back Adjustment Knob104 Advanced Display Module105 System Air Pressure Regulator106 System Air Pressure Relief Switch 107 Power Switch108 Wat...

Component Identification 312759R 15 Advanced Display Module (ADM) Module Status LED Diagnostics If an invalid key is pressed, the Advanced Display Module will sound three quick beeps to notify the user. F IG . 3 1 2 34 5 67 8 9 0 . AB AC AC AD AE AF AG AG AH Key: AB Machine Disable Mode KeyAC Soft K...

Screen Navigation Diagram 16 312759R Screen Navigation Diagram The black arrows in the diagram denote which arrow on the directional keypad to press to move to the respective screen. If the password is enabled, the password will need to be entered to access the Setup screens. Use the numeric keypad ...

Grounding 312759R 17 Grounding This product must be grounded. In the event of an elec-trical short circuit, grounding reduces the risk of electric shock by providing an escape wire for the electric cur-rent. This product is equipped with a cord having a grounding wire with an appropriate grounding p...

Installation 312759R 19 Tank Refill Kit 256577 Installation The tank refill kit is shipped uninstalled. The tank refill kit can be installed on the lid of the tank or on the side of the tank. See F IG . 5 and F IG . 7. Install the tank refill kit in the tank lid if using heat or agi-tation or if a s...

Installation 20 312759R Tank Refill Kit Side Installation 1. Use PTFE tape and the fittings supplied to install the refill kit as shown in F IG . 7. 2. For tank refill kits installed on the A side tank, plug the tank refill kit power cord into the “A” con-nector located at the back of the machine. S...

Startup 312759R 21 Startup 1. Locate power switch (107) at rear of machine and turn power on. The display module will automatically turn on and begin to load. 2. Slide the system air pressure relief switch (106) up. It is the yellow tab at the left, rear of the machine. The hole in the tab should no...

Setup 22 312759R Setup Setup Screens Edit Screens Enter/Exit Screen Button Many screens use the Enter/Exit Screen button (GA). When scrolling through screens using the arrow keys, the information in each screen can be seen but not changed. To change the information in a screen that has the Enter/Exi...

Setup 312759R 25 Calibration Screen See Piston Position Calibration on page 37, Phasing Adjustment on page 40, Adjust Open Dispense Valve (ODV) Timing on page 43, and Shot Calibration on page 47 for Calibration Screen use. F IG . 13 FA Key: FA Start/Stop ShotFB Update Piston Extended PositionFC Upda...

Setup 26 312759R Options Screens Fluid Options, Screen #1 Recirculation and Purge Timers The Purge Timer and Recirculation Timer behave in a similar way, with a certain shot size (HD, HH) being exe-cuted after the timer delay (HC, HG) has elapsed. The difference is that the purge timer operates with...

Setup 34 312759R Advanced Setup Screen Password If a password other than “0” is entered, the password is automatically enabled. The password protects entry into the setup screens. With the password enabled, the restricted user may still be able to change shot sizes, erase counters, or modify tempera...

Setup 312759R 35 System Data Screen Software Version Software version will read “0.00.000” if component can-not be seen by the ADM. This is the result of the compo-nent not being installed or a communication error. Machine Cycles A machine cycle is one full extension and retraction of the machine pi...

Setup 36 312759R Manual Screen The Manual screen overrides control of some machine actions. This can be useful in troubleshooting. To per-form any of the available machine actions shown on the Manual screen, press the appropriate button. F IG . 22 EG Key: EA Extend Piston CommandEB Retract Piston Co...

Setup 312759R 37 Edit Settings • Edit Display Settings: See Advanced Setup Screen , page 34. • Edit Shots and Sequences: See Edit Screens , page 22. • Edit Recirculation and Purge Timers: See Fluid Options, Screen #1 , page 26. • Edit Level Sensor Settings: See Fluid Options, Screen #1 , page 26. • ...

Setup 312759R 39 Prime the Dispense Head 1. Remove static mixer from the dispense head (102) if installed. 2. Turn snuff-back adjustment knob (103) fully clock-wise. This will prevent the dispense valve from clos-ing between priming shots. 3. Use a 4 mm hex key to loosen the screws (102a) holding th...

Setup 40 312759R Phasing Adjustment When the machine executes a shot, materials from Tank A and Tank B enter the static mixer where they are mixed and then dispensed. In order for the materials to mix at the desired ratio, both materials must enter the static mixer at the same time. The timing of th...

Setup 312759R 47 Shot Calibration To dispense accurate quantities of material, a few small and large calibration shots must be performed. Once the weights are entered, the machine will calculate an aver-age weight for the small and large calibration shots. Prepare for Calibration 1. Verify the pisto...

Setup 312759R 49 External Control Interface Setup The external control interface allows an external machine to control the PR70. The external machine can use Connector #1 to send dispense request and abor t commands. Also, Connector #1 indicates to the external machine whether the PR70 is ready to d...

Setup 50 312759R Fault-Output Status Line The Fault-Output status line (“FAULT-OUTPUT” in F IG . 32, Connector #1, Pin #5) indicates whether there is an active error. Active errors typically stop system opera-tion. After using the display module to acknowledge the error, normal operation will be all...

Setup 52 312759R External Control Interface Timing The following timing diagram illustrates changing the shot number to Shot #13 then dispensing that shot. F IG . 34: External Control Timing Diagram Ready-Out Status SHOT-SEL-BITO SHOT-SEL-BIT2 SHOT-SEL-BIT3 Shot Request SHOT-SEL-BIT1 Fault-Out Statu...

Operation 312759R 53 Operation Operation Screens Home screen Read all manufacturer’s warning and material MSDS to know the specific hazards of the materials used. F IG . 35 BA Key: BA Active Shot/SequenceBB Select Operating ModeBC Side A Blanket Heater On/OffBD Side A Hose Heater On/OffBE Side B Bla...

Operation 54 312759R Change Operating Mode The available operating modes are Shot, Sequence, Operator (Manual), Recirculation, and Disabled mode. The active operating mode name will be shown on the Home screen under the date and time. See F IG . 35 on page 53. 1. From the Home screen, press the Sele...

Operation 312759R 55 Perform a Shot 1. Select Shot Mode. See Change Operating Mode , page 54. 2. Press the Start/Stop Shot button ( ) to star t a shot. Sequence Mode Operation To change the setup of a sequence navigate to Edit Screens #2-#5. See Screen Navigation Diagram , page 16. Change Active Seq...

Operation 312759R 57 Recirculation Mode Operation Recirculate Materials 1. Turn both 3-way ball valves at the dispense valve so materials will flow back to tank. 2. Ensure system air pressure is at the standard oper-ating setting. 3. Navigate to the Fluid Options Setup Screen. See Screen Navigation ...

Operation 58 312759R Disabled Mode Operation The machine will not dispense in this mode. All outputs to the solenoid valves are disabled and the Start/Stop Shot button ( ) is inactive. Heat controls remain active. Pressing the Machine Disable Mode key ( ) will enter Disabled Mode and disable heat. S...

Operation 312759R 59 Data Screens The data screens show the shot counters for all shots and shot sequences. Data screen #1 shows the shot counters for all shots. Data screens #2-#5 show the shot counters for sequences A through G, with two sequences shown per screen. Reset Shot and Sequence Counters...

Operation 60 312759R Error Screens The Errors Screen tracks all of the errors that have occurred on the machine. The latest error will appear at the top of the list with date, time, and code-class-event information. For more information on the code-class-event information, see Troubleshooting sectio...

Operation 312759R 61 Events Screen The Events Screen shows a history of events for the machine with details of the event including date and time. The following is a list of events tracked on the Events Screen. • System Powered On • System Powered Off • Shot • Purge Shot • Stop Button Pressed • Syste...

Operation 312759R 63 Temperature Control The Tank Fluid Temperature Setpoint (BR), Tank Fluid Temperature (BS), Hose Heater Temperature (BT1), and Hose Heater Temperature Setpoint (BT) display the status of the each of the options. To turn the Tank Blan-ket Heaters or Hose Heaters on or off, press t...

USB Data 64 312759R USB Data USB Logs During operation, PR70 stores system and performance related information to memory in the form of log files. PR70 maintains two log files: error logs and event logs. Follow the Download Procedure on this page to retrieve log files. Error Log The error log file n...

Pressure Relief Procedure 312759R 65 Pressure Relief Procedure 1. Place a waste container below the dispense valve. 2. Navigate to the Manual screen. See Screen Navi- gation Diagram on page 16. 3. Press the Open Dispense Valve button on the Man-ual screen to relieve chemical pressure. 4. Press the M...

Maintenance 66 312759R Maintenance Schedule Clean the Pump Shafts 1. Press down air pressure relief switch at left, rear of machine. 2. Press the Machine Disable Mode key ( ). 3. Push piston block to fully retracted position. Clean both pump shafts with solvent and lubricate with mesamoll or silicon...

Maintenance 312759R 67 5. Lubricate all parts with a thin coat of mesamoll or silicon oil. 6. Reassemble dispense head. See manual 312185 for details. 7. Reinstall dispense head on machine. Flush Pneumatic Air Motor 82/0216/11 If the motor is sluggish or inefficient, flush it with a non-flammable so...

Maintenance 68 312759R Install Upgrade Token This procedure applies to the Advanced Display Module (ADM) and Fluid Control Module (FCM). 1. Disconnect power to the module. 2. Remove token access panel. See F IG . 41. 3. Insert and press firmly token into slot. NOTE: There is no preferred orientation...

Troubleshooting 74 312759R System Behavior Descriptions T804-D-No Heat Z4 No Temperature Rise, Zone #4 8 T901-A-Temp Switch Cutoff Z1 Over Temp Switch Open, Zone #1 7 T902-A-Temp Switch Cutoff Z2 Over Temp Switch Open, Zone #2 7 T903-A-Temp Switch Cutoff Z3 Over Temp Switch Open, Zone #3 7 T904-A-Te...

Kits 76 312759R Kits Mixer and Shroud Options MD2 Valve Kits Machine Rebuild Kits Tank Accessories † Item includes only the pump. A vacuum kit must be pur-chased to install the pump onto the tank. ‹ Kit includes all parts needed to connect a nitrogen tank to the material tank. Part Description LC006...

Kits 312759R 77 Vacuum Kits These vacuum kits contain the parts necessary to attach a vacuum pump to the tanks. Refill Kits Refill Kits 256659 and 256660 are designed to turn on and off a transfer pump as needed to keep the tanks at the proper fluid level. Tank Refill Kit 256577 is designed to open ...

Dimensions Machine with On-Board Tanks PR70 PR70v † Assembly dimensions listed are maximum for all assemblies under the given title. ‹ On-board stainless steel tank dimensions include ball valves and vacuum de-gas in maximum height calculation. Ref † Assembly Dimensions, in. (mm) Polyethylene Tanks ...

Dimensions 312759R 79 Machine with Off-Board Tanks PR70 PR70v † Assembly dimensions listed are maximum for all assemblies under the given title. C B A D ti12623c ti12624c Ref † Assembly Dimensions, in. (mm) 30 L Tank 60 L Tank No Agitators With Agitators No Agitators With Agitators A 75.7 (1923) 83....

Technical Data Gast ® is registered trademark of Gast Manufacturing. Inhibisol ® is a registered trademark of Penetone Corp. Metering Pump Effective Area . . . . . . . . . . . . . . . . . . . . . 80 to 960 mm 2 (0.124 to 1.49 in. 2 ) per side Small Air Cylinder Effective Area . . . . . . . . . . . ....

Graco Standard Warranty Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale to the original purchaser for use. With the exception of any special, extended, or limited warr...