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Graco PR70 - page 1
Operation and Maintenance PR70 ™ 2 Component Liquid Dispensing Systems PR70 All Models 3000 psi (21 MPa, 207 bar) Maximum Working Pressu re 100 PSI (0.7 MPa, 7 bar) Maximum Air Inlet Pressure For Dispensi ng Multi-part Sealants and Adhesives. Not Designed for Use in Explosive Atmo spheres. Important Safety Instructions Read all warnings and instr ...
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Graco PR70 - page 2
312393G 2 of 50 Contents Contents .................................................... 2 PR70 Accessories .................................................. 3 Supplied Ma nuals ..................................... 4 Related Ma nuals ....................................... 4 Warnings ................................................... 5 Installatio ...
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Graco PR70 - page 3
Models 312393G 3 of 50 PR70 Accessories Mixer and Shroud Opt ions LC0063 Mixer, 3/16 (6.5 mm) x 32, 10 Mixers with shroud LC0081 Mixer, 3/8 (9.8 mm) combo, 50 Mixers LC0057 Mixer, ¼ (6.5 mm) x 24, 10 Mixe rs with shroud LC0083 Mixer, 1/4 (6.5 mm) x 24 Luer Lock, 50 Mixers LC0058 Mixer, 3/8 (9.8 mm) x 24, 10 Mixe rs with shroud LC0082 Mixer, 3/16 ( ...
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Graco PR70 - page 4
Manuals 312393G 4 of 50 Supplied Manuals The following manuals will be supplied with the PR70. PR70 Operation Refer to these documents for detailed machine information. Part Description 312393 Manual, Operation & Maintenance PR70 PR70 Feed System Part Description 312394 Manual, Tank/Feed System, PR70 Dispense Valve, MD2 Part Description 312185 ...
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Graco PR70 - page 5
Warnings 312393G 5 of 50 Warnings The following warnings are for the setup, use, grounding, maintenance, and rep air of this equipment. The exclama - tion point symbol alerts you to a general warning an d the hazard symbol refers to procedure-specific ri sk. Refer back to these warnings. Additional, product-spe cific warn ings may be found througho ...
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Graco PR70 - page 6
Warnings 312393G 6 of 50 WARNING EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injury. • Do not operate the unit when fatigued or unde r the influence of drugs or al cohol. • Do not exceed the maximum working pressure or temperature ratin g of t he lowest rated system component. See Technical Data in all equipment manuals. • Use f ...
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Graco PR70 - page 7
Installation 312393G 7 of 50 Installation General Information Accessories are available from Graco. Make certain all accessories are adequately sized and pressure-rated to meet your system needs. Figures 2 thru 4 are only a guide for identifying system components and for assi sting in installation. Conta ct your Graco distributor or Gr aco Ohio Cu ...
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Graco PR70 - page 8
Component Identification 312393G 8 of 50 Component Identification Key: A Dispense Valve (DV) B HMI (Human Machine Interface) C Static Mixer D Shield Locki ng Screw E Power Switch F Air Filter G Customer Input Recep tacle H Protective Shield I Air Pressure Regulator J Ball Valve (Optional) K A and B Tanks (Onboard, Polyethylene versions illustrated) ...
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Graco PR70 - page 9
Component Identification 312393G 9 of 50 Key: A Drive Block B Hydracheck (optional) C Check Valve D Cylinder (Metering Tube) E Rear Bea ring F Phase Adjustment Screw/Locking Nut G Mounting Hole in Base Fra me Figure 4: PR70 Top View with Shield, Tanks, DV and HMI Removed. HMI Control and Indicators Figure 5: PR70 HMI Controls Key: A Screen, Display ...
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Graco PR70 - page 10
Run Screens 312393G 10 of 50 HMI Main Run Screen Figure 6: Typical PR70 Main Run Screen (Shot a nd Operator Modes) Respectiv ely) Key: A Shot Number Field (“x” in Operator Mo de) B Shot Size Field (“XXXXXX” in Operator Mode) C Shot weight/mass unit of measure (Grams). D Tank Fill Status Indicators E Pistons Status Field F Cycle Counter G DV ...
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Graco PR70 - page 11
Disable Mode, Entering Set-up Screens 312393G 11 of 50 Machine Disable Mode (“ ”red) Figure 6: Typical Run Screen w hen Machine in “Disable” Mode 1. At any time and from any screen, to immediately disable all machine motion, press (red) . 2. If activated, the purge timer will be disabled 3. To resume operation, the machine mu st be put back ...
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Graco PR70 - page 12
Screen Layout 312393G 12 of 50 Figure 9: PR70 Screen Navi gation Diagram ...
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Graco PR70 - page 13
Priming and Calibration 312393G 13 of 50 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 kno w the specific hazards of the material used. From the Run Screen p ress then press . The following screen will be displayed. Figure 10: Maintenanc ...
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Graco PR70 - page 14
Priming and Calibration 312393G 14 of 50 10. The machine pistons shoul d extend slowly until they encounter the cylinder entrance and a number between 2000 to 2400 should app ear for ‘H’. 11. If the pistons do not move, manually move the piston by pulling on the machine drive block, until mechanical resistan ce is encountered at the cylinder en ...
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Graco PR70 - page 15
Priming and Calibration 312393G 15 of 50 Figure 13: Open Dispense Valv e (ODV) Screen (C3) Key: A Current ODV Adjustment (in mm from the cylinder entr ance). B Adjust ODV val ue Option ICON. C Relative ODV Position ICON with respect to cylinder entrance (This IC ON will move right or left at +/- mm transition). D Cylinder Entrance ICON (stationary) ...
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Graco PR70 - page 16
Priming and Calibration 312393G 16 of 50 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 containe r below the static mixer, and press (green) or the footswitch. 15. Press to erase existing average weig ...
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Graco PR70 - page 17
Priming and Calibration 312393G 17 of 50 6. Place an empty container on a scale, and tare (zero) the scale. Repeat the proce ss with a 2 nd container on a 2 nd scale. 7. Place both containers under the ratio che ck nozzle, positioned so one containe r captures material A, and the 2 nd container captures material B. 8. Press the footswitch. 9. After ...
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Graco PR70 - page 18
Miscellaneous Machine Setups 312393G 18 of 50 3. Press to accept the value or to retain t he previous value. Figure 19: M2 after Purge Shot Size Prompt 4. Press or to enter the purge shot size (in grams). Enter a number with at least as much volume as the mixer. 5. Press to accept the value or to retain t he previous value. 6. Press twice to return ...
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Graco PR70 - page 19
Miscellaneous Machine Setups 312393G 19 of 50 Date and Time Settings (M4) At the bottom right corner of the Run scree n the date is shown in DD-MM-YY format and the time is shown in HH:MM, 24 hour form at. The formats cann ot be changed. To set the current date: From the Run screen, press , then press , and then press 3 times. The following screen ...
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Graco PR70 - page 20
Miscellaneous Machine Setups 312393G 20 of 50 Figure 26: Tank Level and (C6) Key: A Current Tank Level Mode = OFF, = ON B Current level = OFF = 20% change before warning = 40% change before warning = 60% change before warning D Turn ON / OFF Tank Level Sensing ICO N E Change Level ICON I Screen Number (C6) J & keys will navigate to adjacent scr ...
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Graco PR70 - page 21
Password Setting/Clearing 312393G 21 of 50 Figure 30: Administrative Pass w ord Entry with NO Previous Password Stored If a previous Administrative password has been entered, the number at the top of the screen is the existing password. A zero indicates no Administrative password. To clear the password, enter “000 000”. 2. Enter a 6-digit seque ...
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Graco PR70 - page 22
Hibernate and Demo Mod es 312393G 22 of 50 Miscellaneous Machine Features HMI Hibernate Mode To help preserve the life of the HMI backlight, the HMI will enter a Hibernate mode after the machi ne has remained idle for an extended period of time. To exit Hibernate mode, the user simply needs to activate a HMI key or the machine footswitch. When in H ...
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Graco PR70 - page 23
Pressure Relief and Shutdo wn Procedures, Error Co des 312393G 23 of 50 Pressure Relief Procedure With the machine in an idle state: 1. If the machine pistons are not fully retracted, retract the pistons by pressing in the M1 screen. See Figure 17. 2. Manually open the dispense valve by pressing the third M1 soft key until the “ ” ICON is shown ...
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Graco PR70 - page 24
Error Code Table 312393G 24 of 50 Error Code Table Title # Cause, Details ICON Stuck Key Error E11 A key on membrane has been a ctive (pressed) for > 30 seconds continuo usly. Replace the HMI. This error code does not requi re user acknowled gment and will clear itself automatically if the condition is re moved. Communication Error E12 The Displ ...
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Graco PR70 - page 25
Error Code Table 312393G 25 of 50 Low Material Level, Both Tanks Alarm or Error E29 Both tanks are low (only generated if tank sensing is enabled). Fill both tanks with material. Tank level errors will be generated after every shot if the condition still exists. Bad Linear Position Sensor E50 There is a fault with the linear position sensor. Check ...
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Graco PR70 - page 26
ICON Tables 312393G 26 of 50 ICON Descriptions Key Key Description Screen Maintenance and Calibration Screens Enter / Exit. All Shot Mode / Operator Control Mode Selection. Run Shot Request (green) Run, C2, C4 Red Stop or Cancel (Stops Operation Immediately, regardless of Screen). All Up (Used to Raise Numerical Entry, Scr een Navigation or Shot Se ...
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Graco PR70 - page 27
ICON Tables 312393G 27 of 50 ICON Description Screen Short Stroke Calibration Shot C4 Long Stroke Calibration S hot C4 Administrative Password Set/Clear C5 Maintenance Only Screens Password Set/Clear C5 Tank Level Sensing ON C6 Tank Level Sensing OFF C6 Delta Velocity Set Level (0 = OFF) C6 Displacement Valve Always Open M1 Displacement Valve Alway ...
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Graco PR70 - page 28
Maintenance, Software Upgrades and Run Token 312393G 28 of 50 Maintenance The following items should be checked daily, once during a shift, or as required for the application: • Air Filter - Check air filter and release any water circuit water trapped in the base of the filter. • Tanks – Check material levels and refill as necessary. Verify t ...
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Graco PR70 - page 29
Troubleshooting 312393G 29 of 50 Troubleshooting Before starting any troubleshooting procedures: 1. Relieve pressure (refer to Pressure Relief Procedure Section). 2. Disconnect AC power to the machi ne. 3. Allow the machine to cool, if the machine has a h eat control option. Try the recommended solutions in the order given for the each problem to a ...
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Graco PR70 - page 30
Base Frame and Air Cylinder Assembli es 312393G 30 of 50 Repair Major Mechanical Assemblies, and Attachments Figure 38: PR70 Top View w/o Tanks with Footswitch and HMI Illustrated Figure 39: PR70 Base Frame to Air Cy linder, Pump and Drive Block Attachments Key: Ref P/N Description QTY Ref P/N Description QTY 1 LC0112 Pump Assembly, PR70 1 5 LC0107 ...
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Graco PR70 - page 31
Base Frame and Air Cylinder Assembli es 312393G 31 of 50 Figure 40: PR70 Power Entry Bracket and Control Bracket Ass embly Attachments Key: Ref P/N Description QTY Ref P/N Description QTY 1 120885 Screw, SHC, M5 – 0.8 x 14 4 3 LC0106 Power Entry Assembly, PR70 1 2 LC0108 Control Bracket Assembly, PR70 1 4 120885 Screw, SHC, M5 – 0.8 x 14 2 Base ...
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Graco PR70 - page 32
Base Frame and Air Cylinder Assembli es 312393G 32 of 50 Air Cylinder Assemblies, and Rebuild Kits Figure 42: PR70 Air Cylinder Sy stem and Schematic ...
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Graco PR70 - page 33
Air Cylinder Assemblies 312393G 33 of 50 Figure 43: PR70 Air Cylinder Assem blies, 3. 0” & 4.5” Diameters (LC0110 & LC011 1) Key: (LC0110, 3.0” DIA. Assy., PR70) (LC0111, 4.5” DIA. Ass y., PR70) Ref P/N Descrip tion QTY Ref P/N Description QTY 1 107571 ORING, VIT, BAD 1 1 107571 ORING,VIT,BAD 1 2 114100 SCREW, SHC, M4X0.7X55, MS, E ...
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Graco PR70 - page 34
Pump Ass embly 312393G 34 of 50 To install a ne w Air Cylinder Kit: 1. F ollow the Pressure Relief Procedure and tu rn off the machine. 2. Discon nect the airline, remove the PR70 Sh roud, and remove the machine power entry assembly (item 3 or Figure 40) from the machine by removing the 2 attachment screws (4 of Figure 40). 3. Remov e the 2 air val ...
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Graco PR70 - page 35
Pump Ass embly 312393G 35 of 50 Drive Block Assembly Figure 45: PR70 Drive Block As sembly (LC0107) Key: Ref P/N Descrip tion QTY Ref P/N Description QTY 1 120891 SCREW, SHS, M6-1.0 X 8, MS 2 4 15K805 BLOCK, DRIVE, PR70S 1 2 15K801 ROD, ALIGNMENT 2 5 15K868 WASHER, SPERICAL, ½ DIA. MODIFIED 2 3 15K802 NUT, RETAINER 2 6 84/0130- 27/11 LABEL, HAND C ...
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Graco PR70 - page 36
Pump Ass embly 312393G 36 of 50 Key: Ref P/N Description QTY Ref P/N Description QTY 1 106258 ORING, VIT, JCB 2 9 15K803 COLLAR, PUMP 2 2 108712 NUT, HEX, M8 X 1.2 5, MS 2 10 15K804 HOUSING, BEARING, SEAL, PR70S 2 3 120887 POSIPAK, 0.375ID X 0.625OD, COIL 2 11 15K824 SHAFT, PISTON, 3/8, PR70S, SS 2 4 120890 RING, RET, INT, 1.00, SS 2 12 15K828 WASH ...
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Graco PR70 - page 37
Pump Ass embly 312393G 37 of 50 Figure 48: PR70 Rear Pump Rebuild Kit (L C0094) Key: Ref P/N Descrip tion QTY Ref P/N Description QTY 1 106258 ORING, VIT, JCB 1 3 120887 PO SIPAK, 0.375ID X 0.625OD, COIL 1 2 120890 RING, RET, INT, 1.00, SS 1 To install a new Rear Pump Rebuild Kit: 1. Drain the pump by taking several shots with either the tank ball ...
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Graco PR70 - page 38
Pistons & Metering Tubes 312393G 38 of 50 Piston Cylinders or Metering Tubes Figure 49 PR70 Nylon and UHMWPE Piston Replacemen t Kits Key: Ref Description QTY Ref Description QTY 1 Piston 1 3 Oring 2 2 Screw 1 When ordering a piston rep lacement kit, the following intelligent part numbering system applies for Nylon based pistons: LCF - 120 Code ...
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Graco PR70 - page 39
Pistons & Metering Tubes 312393G 39 of 50 To install a new Piston or Piston/Cylinder Replacement Kit: 1. Drain the machine pistons by instigating several shots with either the tank ball valves clo sed (if installed), or by activating enough shots to empty the tanks. 2. To prevent machine movement, press (red). 3. Remove the pump end caps (item ...
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Graco PR70 - page 40
Pistons & Metering Tubes 312393G 40 of 50 NYLON PISTONS (SEE FIGURE 50) Tube Piston Frt. Washer Back Washer Screw O-ring Part No. Rev. Series Area Item 1 Item 2 Item 3 Item 4 Item 5 Item 6 LC2160 A A 160 LCA160 LCB160 15M099 15K887 120933 120874 LC2180 A A 180 LCA180 LCB 180 15M099 15K887 LC2200 A A 200 LCA200 LCB 200 15M099 15K887 LC2220 A A 2 ...
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Graco PR70 - page 41
Pistons 312393G 41 of 50 Figure 51 PR70 Piston Plug Assembly Key: Ref P/N Description QTY 1 15K815 Plug 2/Machine 2 111457 Oring 2/Machine To install a new Piston Plug Assembly: 1. Drain the machine pistons by instigating several shots with either the tank ball valves clo sed (if installed), or by activating enough shots to empty the tanks. 2. To p ...
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Graco PR70 - page 42
Hose Assemblies 312393G 42 of 50 Figure 53 Heated Piston to DV Hose Assemblies ...
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Graco PR70 - page 43
Miscellaneous Assem blies 312393G 43 of 50 Miscellaneous Mechanical Assemblies Figure 54: PR70 Power Entry Bracket Assembly (LC0106) Key: Ref P/N Descrip tion QTY Ref P/N Description QTY 1 119912 SCREW, PAN, M3X6, PHILLI PS, SS 3 11 84/0130-26/11 LABEL, PE 1 2 121018 ELBOW, SWVL, 3/8 X ¼ NPT, FXM , 90DE 1 12 LC0034 HARNESS, WIRE, REMOTE SIGNAL 1 3 ...
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Graco PR70 - page 44
Miscellaneous Assem blies 312393G 44 of 50 Figure 55: PR70 Control Bracke t Assembly (LC0108) Key: Ref P/N Descrip tion QTY Ref P/N Description QTY 1 84/0153-1/89 CLAMP, HARNESS, RE USEABLE, 5/8,NYL 2 6 121019 ELBOW, SW VL, 3/8 X 3/8 NPT, FXM, 90DE 1 2 120885 SCREW, SHC, M5-0.8 X 14, MS, E 2 7 LC0124 CONTROLLER, FCM 1 3 120897 REGULATOR, 100PSI, 3/ ...
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Graco PR70 - page 45
Miscellaneous Assem blies 312393G 45 of 50 Figure 57: PR70 Hydracheck Comp onents Figure 58: PR70 HMI Components Key: Ref P/N Descrip tion QTY Ref P/N Description QTY 1 288446 Display Module, PR 70 1 3 120999 Termination Plug 1 2 255235 Bracket, HMI 1 ...
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Graco PR70 - page 46
Wiring Diagram s 312393G 46 of 50 Wiring Diagrams Figure 59: PR70 Wiring In terconnect Illustration ...
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Graco PR70 - page 47
Wiring Diagram s 312393G 47 of 50 Figure 60: Wiring Diagram, PR70 (121685) ...
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Graco PR70 - page 48
Technical Data 312393G 48 of 50 Technical Data Category Data Metering Pump Effective Area 80 – 960 mm 2 (0.124 – 1.49 in 2 ) per side Small Air Cylinder Effective Area 4560 mm 2 (7.07 in 2 ) Large Air Cylinder Effective Area 10260 mm 2 (15.9 in 2 ) Maximum Stroke Length 38.1 mm (1.50 in) Minimum Stroke Length 5.8 mm (0.23 in) Volume per Cycle 2 ...
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Graco PR70 - page 49
Technical Data 312393G 49 of 50 Dimensions Figure 36: PR70 Dimensions (ON-Bo ard PE Tank version Illustrated) A typical PR70 Machine, with the standard On-Bo ard twin 8 liter PE Tanks has the following dimensi ons: Dimension In. (mm) Dimension In. (mm) A (width) 18.49 (469.6) C (depth) 30.62 (777.7) B (height) 26.39 (670.3) D (height in Back) 13.39 ...
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Graco PR70 - page 50
Warranty and Gra co Contact Information 312393G 50 of 50 All written and visual data contained in this do cument reflects th e latest product information available at the time of pu blica tion. Graco reserves the right to ma ke changes at any ti me without notice. For patent information, see www.g raco.com/patents. Original instructions. This manu ...
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