Graco Water Dispenser PR70 User Manual
Operation and Maintenance  
PR70™  
2 Component  
312393J  
EN  
Liquid Dispensing Systems  
PR70 All Models  
3000 psi (21 MPa, 207 bar) Maximum Working Pressure  
100 PSI (0.7 MPa, 7 bar) Maximum Air Inlet Pressure  
For Dispensing Multi-part Sealants and Adhesives.  
Not Designed for Use in Explosive Atmospheres.  
Important Safety  
Instructions  
Read all warnings and  
instructions in this manual.  
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Models  
PR70 Accessories  
Mixer and Shroud Options  
LC0063 Mixer, 3/16 (6.5 mm) x 32, 10 Mixers with shroud  
LC0057 Mixer, ¼ (6.5 mm) x 24, 10 Mixers with shroud  
LC0058 Mixer, 3/8 (9.8 mm) x 24, 10 Mixers with shroud  
LC0059 Mixer, 3/8 (9.8 mm) x 36, 10 Mixers with shroud  
LC0060 Mixer, 3/8 (9.8 mm) Combo, 10 Mixers with shroud  
LC0061 Mixer, 3/16 (4.8 mm) x 32 Luer Lock, 10 Mixers with shroud  
LC0062 Mixer, ¼ (6.5 mm) x 24 Luer Lock, 10 Mixers with shroud  
LC0077 Mixer, 3/16 (4.8 mm) x 32, 50 Mixers  
LC0078 Mixer, ¼ (6.5 mm) x 24, 50 Mixers  
LC0081  
LC0083  
LC0082  
LC0084  
LC0085  
LC0086  
LC0087  
LC0088  
LC0089  
LC0090  
Mixer, 3/8 (9.8 mm) combo, 50 Mixers  
Mixer, 1/4 (6.5 mm) x 24 Luer Lock, 50 Mixers  
Mixer, 3/16 (4.8 mm) x 32 Luer Lock, 50 Mixers  
Mixer, 3/16 (4.8 mm) x 32, 250 Mixers  
Mixer, 1/4 (6.5 mm) x 24, 250 Mixers  
Mixer, 3/8 (9.8 mm) x 24, 250 Mixers  
Mixer, 3/8 (9.8 mm) x 36, 250 Mixers  
Mixer, 3/8 (9.8 mm) combo, 250 Mixers  
Mixer, 3/16 (4.8 mm) x 32 Luer Lock, 250 Mixers  
Mixer, ¼ (6.5 mm) x 24 Luer Lock, 250 Mixers  
LC0079 Mixer, 3/8 (9.8 mm) x 24, 50 Mixers  
LC0080 Mixer, 3/8 (9.8 mm) x 36, 50 Mixers  
MD2 Valve Kits  
255217 MDS2, kit rebuild, air cylinder  
255219  
255220  
MD2, Soft Seat rebuild, needle and nose  
MD2, convert Soft Seat nose to Hard Seat (Hard  
Seat rebuild), needle and nose  
255218 MD2, kit rebuild, back-end of wet section (no needle or seat)  
Other Accessories  
LC0097 Desiccant Dryer, 3/8” NPT with adapter and cartridge  
LC0098 Desiccant Dryer refill cartridge  
LC0100  
LC0091  
LC0092  
LC0093  
LC0094  
Vacuum Transfer Pump, 240V, down to 25 Torr  
3.0” Air Cylinder rebuild kit  
LC0095 Nitrogen Kit for 30L and 60L tank, 1 tank  
LC0096 Nitrogen Kit for 30L and 60L tank, 2 tanks  
LC0008 Cord, I/O interface and footswitch part  
LC0099 Vacuum Transfer Pump, 120V, down to 25 Torr  
4.5” Air Cylinder rebuild kit  
Check Valve rebuild kit  
Rear Pump Seal rebuild kit  
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Manuals  
Supplied Manuals  
The following manuals will be supplied with the  
PR70 Operation  
PR70.  
Refer to these documents for detailed machine  
information.  
Part  
Description  
312393  
Manual, Operation & Maintenance  
PR70  
PR70 Feed System  
Part  
312394  
Description  
Manual, Tank/Feed System, PR70  
Dispense Valve, MD2  
Part  
Description  
312185  
Manual, Dispense Valve, MD2  
* Heat Control Module(s)  
Part  
Description  
312413  
Manual, Heat Control, Tank/Hoses  
Related Manuals  
The following manuals are for accessories to be used  
with the PR70 machine.  
PR70 Operation  
Part  
Description  
312393  
Manual, Operation & Maintenance PR70  
PR70 Feed System  
Description  
Manual, Tank/Feed System, PR70  
Part  
312394  
Dispense Valve, MD2  
Part  
Description  
Manual, Dispense Valve, MD2  
312185  
Heat Control Module(s)  
Part  
Description  
312413  
Manual, Heat Control, Tank/Hoses  
*
The Heat Control Module manual is not provided for machines that do not have a Heated Tank and/or Hose  
component.  
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Warnings  
Warnings  
The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclama-  
tion point symbol alerts you to a general warning and the hazard symbol refers to procedure-specific risk. Refer  
back to these warnings. Additional, product-specific warnings may be found throughout the body of this manual  
where applicable.  
WARNING  
ELECTRIC SHOCK HAZARD  
Improper grounding, setup, or usage of the system can cause electric shock.  
•
•
•
•
•
Turn off and disconnect power cord before servicing equipment.  
Use only grounded electrical outlets.  
Use only 3-wire extension cords.  
Ensure ground prongs are intact on sprayer and extension cords.  
Do not expose to rain. Store indoors.  
SKIN INJECTION HAZARD  
High-pressure fluid from dispense valve, hose leaks, or ruptured components will pierce skin. This may  
look like just a cut, but it is a serious injury that can result in amputation. Get immediate surgical  
treatment.  
•
•
•
•
Do not point dispense valve at anyone or at any part of the body.  
Do not put your hand over the end of the dispense nozzle.  
Do not stop or deflect leaks with your hand, body, glove, or rag.  
Follow Pressure Relief Procedure in this manual, when you stop spraying and before cleaning,  
checking, or servicing equipment.  
TOXIC FLUID OR FUMES HAZARD  
Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin, inhaled, or  
swallowed.  
•
•
•
Read MSDS’s to know the specific hazards of the fluids you are using.  
Store hazardous fluid in approved containers, and dispose of it according to applicable guidelines.  
Always wear impervious gloves when spraying or cleaning equipment.  
FIRE AND EXPLOSION HAZARD  
Flammable fumes, such as solvent and paint fumes, in work area can ignite or explode. To help prevent  
fire and explosion:  
•
•
Use and clean equipment only in well ventilated area.  
Eliminate all ignition sources; such as pilot lights, cigarettes, portable electric lamps, and plastic drop  
cloths (potential static arc).  
•
•
•
Keep work area free of debris, including solvent, rags and gasoline.  
Do not plug or unplug power cords or turn lights on or off when flammable fumes are present.  
Ground equipment, personnel, object being sprayed, and conductive objects in work area. See  
Grounding instructions.  
•
•
•
Use only Graco grounded hoses.  
Check gun resistance daily.  
If there is static sparking or you feel a shock, stop operation immediately. Do not use equipment  
until you identify and correct the problem.  
•
•
Do not flush with gun electrostatics on. Do not turn on electrostatics until all solvent is removed from  
system.  
Keep a working fire extinguisher in the work area.  
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Warnings  
WARNING  
EQUIPMENT MISUSE HAZARD  
Misuse can cause death or serious injury.  
•
•
Do not operate the unit when fatigued or under the influence of drugs or alcohol.  
Do not exceed the maximum working pressure or temperature rating of the lowest rated system  
component. See Technical Data in all equipment manuals.  
•
•
Use fluids and solvents that are compatible with equipment wetted parts. See Technical Data in all  
equipment manuals. Read fluid and solvent manufacturer’s warnings. For complete information about  
your material, request MSDS forms from distributor or retailer.  
Check equipment daily. Repair or replace worn or damaged parts immediately with genuine manu-  
facturer’s replacement parts only.  
•
•
•
•
•
•
Do not alter or modify equipment.  
Use equipment only for its intended purpose. Call your distributor for information.  
Route hoses and cables away from traffic areas, sharp edges, moving parts, and hot surfaces.  
Do not kink or over bend hoses or use hoses to pull equipment.  
Keep children and animals away from work area.  
Comply with all applicable safety regulations.  
MOVING PARTS HAZARD  
Moving parts can pinch or amputate fingers and other body parts.  
•
•
•
Keep clear of moving parts.  
Do not operate equipment with protective guards or covers removed.  
Pressurized equipment can start without warning. Before checking, moving, or servicing equipment,  
follow the Pressure Relief Procedure in this manual. Disconnect power or air supply.  
PERSONAL PROTECTIVE EQUIPMENT  
You must wear appropriate protective equipment when operating, servicing, or when in the operating area  
of the equipment to help protect you from serious injury, including eye injury, inhalation of toxic fumes,  
burns, and hearing loss. This equipment includes but is not limited to:  
•
•
•
•
Protective eyewear  
Clothing and respirator as recommended by the fluid and solvent manufacturer  
Gloves  
Hearing protection  
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Installation  
Installation  
Verify the location has access to compressed air,  
AC power and is well ventilated.  
General Information  
Accessories are available from Graco. Make certain all  
accessories are adequately sized and pressure-rated to  
meet your system needs.  
2. Place the PR70 onto the designated location. Allow  
to the machine to rest on the rubber feet provided.  
Figures 2 thru 4 are only a guide for identifying system  
components and for assisting in installation. Contact  
your Graco distributor or Graco Ohio Customer Service  
for assistance in designing a system to suit your  
particular needs.  
3. Turn the Shield Locking Screws clockwise on both  
sides to remove the PR70 protective shield.  
4. Attach the PR70 frame to the selected location by  
installing fasteners (not provided with unit) thru the  
4 mounting holes. Refer to Figure 1 for mounting  
hole dimensions.  
Unpacking  
1. Inspect the shipping container carefully for damage.  
Contact the carrier promptly if there is damage.  
Machine Setup  
2. Open the box and inspect the contents carefully.  
There should not be any loose or damaged parts in  
the container.  
Avoid contact with electrical inter-connects, when connecting electric  
power to the machine. Read all manufacturer’s warning and material  
MSDS to know the specific hazards of the material used.  
3. Compare the packing slip against all the items in  
the box. Report any shortage or other inspection  
problems immediately.  
1. Connect a compressed airline to the input air in the  
back of the machine.  
4. Remove the PR70 system components from the  
container. Do not lift the machine by the tanks.  
2. Load material into the on-board or off-board tanks  
feeding the machine.  
Locate and Install the PR70  
3. Using the power cord provided, connect AC power  
(100-240V, 50/60 Hz, single-phase) to the machine.  
1. Locate a bench top or equivalent location to  
mechanically mount the PR70 dispensing machine.  
Figure 1: Mounting Hole Dimensions for Installing the PR70 Machine (dimensions in inches/mm)  
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Component Identification  
Component Identification  
Key:  
A
B
C
D
E
F
G
H
I
Dispense Valve (DV)  
HMI (Human Machine Interface)  
Static Mixer  
Shield Locking Screw  
Power Switch  
Air Filter  
Customer Input Receptacle  
Protective Shield  
Air Pressure Regulator  
Ball Valve (Optional)  
A and B Tanks (Onboard,  
Polyethylene versions illustrated).  
J
K
Figure 2: Typical PR70 (Back View, without Hoses)  
Key:  
A
B
C
D
E
Pump Assembly  
Solenoid Valves  
Air Cylinder Assembly  
DC Power Supply  
Fluid Control Module (FCM)  
Figure 3: PR70 Back View with Shield, Tanks, DV and HMI Removed.  
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Component Identification  
Key:  
A
B
C
D
E
F
Drive Block  
Hydracheck (optional)  
Check Valve  
Cylinder (Metering Tube)  
Rear Bearing  
Phase Adjustment Screw/Locking  
Nut  
G
Mounting Hole in Base Frame  
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 Area  
N
O
P
Operator Mode ICON  
Operator Mode LED  
B, D Up and Down Keys  
C
E
F
Up and Down Key LED  
Enter Key LED  
Enter Key  
Red Stop or Cancel Key (used to stop machine  
operation)  
Lock Key (used to enter and exit setup screens)  
Green Go Key (used to request a shot)  
Display area  
Diagnostic LED’s  
HMI Rear Access Panel (used to access clock  
battery and for reprogramming the HMI).  
Q
R
S
T
G-J Soft Keys 1 thru 4 (Left to Right).  
K
L
Shot Mode ICON  
Shot Mode LED  
Mode Select Key  
M
U
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Run Screens  
HMI Main Run Screen  
Figure 6: Typical PR70 Main Run Screen (Shot and Operator Modes) Respectively)  
Key:  
A
B
C
D
E
Shot Number Field (“x” in Operator Mode)  
Shot Size Field (“XXXXXX” in Operator Mode)  
Shot weight/mass unit of measure (Grams).  
Tank Fill Status Indicators  
F
Cycle Counter  
G DV status Field  
H Purge Timer status Field  
I
J
K
Error code status Field  
Current Date Field (DD-MM-YY)  
Current Time Field (24 Hr. Format)  
Pistons Status Field  
Run Screen Operation  
3. To cancel the shot, press  
.
Machine Operation: Operator Mode  
Read all manufacturer’s warning and material MSDS to know the  
specific hazards of the material used.  
1. Place the item or part to be filled below the  
dispense valve static mixer.  
Machine Mode Selection  
2. Press and hold  
(green) or the footswitch to start  
To dispense material, one of the following 2 modes  
must be selected;  
the shot. The machine will continue to dispense  
until the  
(green) or the footswitch is released.  
•
Shot mode dispenses a predetermined amount  
of material when the machine receives a “Go”  
command.  
The pistons will not retract unless they are almost fully  
extended. They will automatically retract after 4  
minutes. The machine will beep to signal that it is about  
•
Operator mode dispenses material as long as  
the machine is receiving a “Go” command.  
to retract. To manually retract the machine, press  
.
To select Shot mode:  
Shot Number Selection  
1. Press  
2. Press  
until  
.
In Shot mode, up to 5 predefined shot sizes may be  
selected. To select a shot:  
to accept or  
to cancel.  
1. When the machine is idle (not dispensing a shot)  
To select Operator mode:  
press  
or  
to select the new shot size.  
3. Press  
4. Press  
until  
.
2. Press  
to accept, or  
to cancel.  
to accept or  
to cancel.  
Machine Operation: Shot Mode  
1. Place the item or part to be filled below the  
dispense valve static mixer  
2. Press  
(green) or the footswitch to start the shot.  
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Disable Mode, Entering Set-up Screens  
2. To enter the calibration screens, press  
enter the maintenance screens, press  
. To  
Machine Disable Mode (“ ”red)  
. Refer  
to Figure 9 for a screen navigation diagram.  
Setup Screens with Passwords Enabled  
1. From the Run screen press  
. If a password has  
been programmed, the Password Entry Screen  
(Figure 8) will be displayed.  
Figure 6: Typical Run Screen when 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 must be put  
back into an operating mode as described in the  
Machine Mode Selection section.  
Figure 8: Password Entry Screen  
2. Enter the 6 digit password by pressing the  
corresponding soft keys, G-J in Figure 5.  
4. If activated, the purge timer will not restart until a  
shot is taken.  
3. After the 6th digit has been entered, press  
.
Setup Screens  
Before the machine will operate properly, it must be  
calibrated and shot size information must be entered.  
4. If the correct password has been entered, the  
Programming Mode Selection Screen will be  
displayed. Refer to Figure 9 for a screen navigation  
diagram.  
Entering the Setup Screens  
5. If the incorrect password has been entered, the  
password entry will need to be repeated until the  
correct 6-digit sequence is entered.  
1. From the Run screen press  
. If no password  
has been programmed into the HMI, the  
Programming Mode Selection Screen (Figure 7)  
will be displayed.  
6. To abort the password entry, press  
.
Figure 7: Programming Mode Selection Screen  
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Screen Layout  
Figure 9: PR70 Screen Navigation Diagram  
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Priming and Calibration  
Machine Priming  
Before the machine can be properly calibrated with  
material, it will need to be primed.  
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.  
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.  
From the Run Screen press  
then press  
. The  
following screen will be displayed.  
Figure 11: Piston Position Calibration Screen (C1)  
Key:  
Figure 10: Maintenance Screen for Priming (M1)  
Key:  
A
B
Full Extend position number from last calibration  
Full Extend Command ICON  
C Full Retract position number from last calibration  
D Full Retract Command ICON  
A
B
Full Retract ICON  
Full Extend ICON  
E
F
H
I
Cylinder Entrance position from last calibration  
Cylinder Entrance Command ICON  
Current Piston Position Field  
C Change Dispense Valve Mode  
= Always Open  
= Always Closed  
Screen Number (C1)  
= Opens at Cylinder Entrance (Automatic)  
D Current Piston Position  
J
&
keys will navigate to adjacent screens.  
1. Place a waste container under the dispense valve  
to capture any dispensed material.  
E
F
Current Dispense Valve Mode  
Screen Number (C1)  
G
&
keys will navigate to adjacent screens.  
2. With air pressure applied to the machine, press  
.
1. Place a waste container under the dispense valve  
to capture any dispensed material.  
3. The piston should fully extend and a number  
between 3600 to 3900 should appear for ‘H’  
2. Press  
3. Press  
4. Press  
until the upper ICON is  
to extend the piston fully.  
to retract the piston fully.  
.
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’.  
5. Repeat steps 3 and 4 until both materials dispense  
from the valve without air.  
7. Press  
to accept the number or  
to keep the  
6. Press  
twice to return to the Run screen.  
current number.  
8. Decrease the air pressure by adjusting the machine  
air pressure regulator to a minimal value (i.e. ~ 10 -  
20 psi).  
Machine Calibration  
Before the machine will accurately dispense, it must  
be calibrated.  
9. Press  
.
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Priming and Calibration  
10. The machine pistons should extend slowly until they 1. Select the location where the piston will reverse  
encounter the cylinder entrance and a number  
(from the extend to retract motion) by pressing  
between 2000 to 2400 should appear for ‘H’.  
or  
keys. Pressing  
will decrease the phasing  
11. If the pistons do not move, manually move the  
piston by pulling on the machine drive block, until  
mechanical resistance is encountered at the  
cylinder entrance.  
shot. Pressing  
will increase the phasing shot. A  
“+” value indicates that the piston will reverse beyond  
the cylinder entrance. A “-“ value indicates the piston  
will reverse prior to reaching the cylinder entrance.  
12. Press  
to accept the number or  
to keep the  
2. Press  
(green) or the footswitch.  
current number.  
3. During the shot execution, visually monitor the 2  
materials exiting the ratio check nozzle. If the  
timing of the 2 materials exiting the nozzle cannot  
13. Adjust the Air Pressure Regulator back to a  
reasonable value for proper machine operation.  
14. Press  
twice to return to the Run screen.  
be properly observed, press  
then repeat step 2.  
or  
accordingly,  
Phasing (C2)  
4. If the A side material exits the ratio nozzle before  
To enable the machine to dispense the correct ratio of  
material from the A and B tanks and to mix properly,  
both materials will need to enter the static mixer at the  
same time. Phasing shots will need to be executed to  
visually verify that the 2 materials are exiting the  
dispense valve at the same time.  
the B side material (“ ”), turn the B piston  
Phase Adjustment Screw/ Locking nut and shaft  
counterclockwise to move the B piston forward, as  
indicated on the  
ICON. Slight adjustments in  
the piston shaft will be significant. Adjustments of a  
quarter turn are typical.  
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.  
5. If the B side material exits the ratio nozzle before  
the A side material (“  
”), turn the A piston  
Phase Adjustment Screw/ Locking nut and shaft  
counterclockwise to move the A piston forward, as  
From the Run screen, press  
, then press  
, and then  
press once. The following will screen will be displayed.  
indicated on the  
6. Repeat step 2 until both materials exit the ratio  
check nozzle at the same time (“ ”).  
ICON.  
7. Press  
twice to return to the Run screen.  
Open Dispense Valve (ODV) Setting (C3)  
The next step in the calibration process is to determine  
the proper position to open the Dispense Valve (DV)  
during the shot.  
Figure 12: Phasing Calibration Screen (C2)  
Key:  
Advancing or increasing the opening position (in milli-  
meters) will build more pressure in the material hoses  
prior to the dispense valve opening. If the Dispense  
Valve opens too late in the shot, a surge of material  
can occur or the piston could stall. If the Dispense  
Valve opens to early in the shot, material “drooling” at  
the beginning of the dispense cycle could occur.  
A
B
A material leads B ICON  
Adjust B side Forward ICON  
C B material leads A ICON  
D Adjust A side Forward ICON  
E
F
A and B Exit the Same Time ICON  
Do NO Mechanical Adjustment ICON  
G Phase Shot Request ICON  
I
Screen Number (C2)  
From the Run screen, press  
, then press  
, and then  
J
K
L
&
keys will navigate to adjacent screens.  
press  
2 times. The following screen will be displayed.  
Decrease Phase Shot Percentage Amount ICON  
Current Phase Shot Percentage Amount  
M Increase Phase Shot Percentage Amount ICON  
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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:  
A
Current ODV Adjustment (in mm from the cylinder  
entrance).  
Adjust ODV value Option ICON.  
Figure 14: Stroke Calibration (CAL) Screen (C4)  
Key:  
B
A
B
Short Shot Column ICON  
Last/Current Short Shot weight (mass) entry.  
C Relative ODV Position ICON with respect to  
cylinder entrance (This ICON will move right or  
left at +/- mm transition).  
D
I
C Long Shot Column ICON  
D Last/Current Long Shot weight (mass) entry.  
Cylinder Entrance ICON (stationary).  
Screen Number (C3)  
E
F
Grams (Weight or Mass unit used)  
Short Shot ICON  
J
&
keys will navigate to adjacent screens.  
G Long Shot ICON  
I
Screen Number (C4)  
1. To adjust the ODV position with respect to the  
cylinder entrance, press  
J
&
keys will navigate to adjacent screens.  
.
1. Press  
to arm the machine to take a short CAL  
2. Press  
to increase the value or  
to decrease  
the value. Values of – 5.0 mm to + 5.0 mm are  
allowed.  
shots. The icon will be highlighted (“ ”). Press  
to de-arm the machine.  
3. Press  
to accept the value or  
to retain the  
2. Place the empty container below the static mixer,  
previous value. The default value from the factory  
is – 1.0 mm.  
and press  
(green) or the footswitch.  
3. Press  
and discard the contents of the material  
4. Press  
twice to return to the Run screen.  
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.  
Machine Calibration Shots (C4)  
5. Place a container on a scale and tare (zero) it.  
6. Place the tared container below the static mixer,  
Read all manufacturer’s warning and material MSDS to know the  
specific hazards of the material used.  
and press  
(green) or the footswitch.  
Calibration shots are necessary to program the  
machine to properly dispense the correct amount of  
7. Press  
to erase existing average weight data.  
material. Several short CAL shots (“ ”) and several  
long CAL shots (“ ”) are required.  
8. Place the container with the dispensed material on  
the tared scale.  
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.  
9. Enter the mass in grams into the HMI, by pressing  
or  
accordingly.  
10. Press  
to accept the number. The number  
The air pressure must be set to operating  
conditions for this step. Significant changes  
in air pressure could adversely affect shot  
accuracy.  
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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Priming and Calibration  
I
Screen Number (M2).  
12. Press  
to arm the machine to take a long CAL  
J
&
keys will navigate to adjacent screens.  
shots. The icon will be highlighted (“ ”). Press  
to de-arm the machine.  
1. Press  
. The following screen will be displayed:  
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.  
Figure 16: M2 Shot Definition Screen  
17. Enter the mass in grams into the HMI, by pressing  
or  
accordingly.  
2. Press  
3. Press  
or  
or  
to select a shot number to define.  
to enter the shot size.  
18. Press  
to accept the number. The number  
entered will be transferred to the right of the  
average icon (“ ”).  
The shot size (in grams) must be greater  
than the Short CAL Shot size from the  
previous C4 calibration screen.  
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.  
4. Press  
to accept the value or  
to retain the  
previous value.  
20. Press  
21. Press  
to de-arm the cal shot.  
5. Repeat the previous 2 steps for other shot sizes as  
required.  
twice to return to the Run screen.  
6. Press  
7. Press  
to exit the Shot Definition screen.  
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.  
Ratio Checks  
From the Run screen, press  
, then press  
, and then  
press once. The following screen will be displayed.  
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.  
Figure 15: Shot Size and Purge Timer Screen (M2)  
Key:  
4. Select a shot size between the Short and Long CAL  
A
B
Shot Number  
Shot Size (in grams).  
shot sizes previously done, by pressing  
and to accept.  
or  
C Purge Timer Setting (Turned OFF in Figure 15).  
D Purge Timer Alarm Setting.  
5. Place the empty container below the Ratio Check  
Nozzle and the footswitch. Discard this shot.  
E
F
Define Shot ICON  
Set Purge Timer ICON  
G Purge Timer Warning ICON.  
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Priming and Calibration  
6. Place an empty container on a scale, and tare  
(zero) the scale. Repeat the process with a 2nd  
container on a 2nd scale.  
9. After the material is dispensed, place each  
container on the same scale, and measure the net  
mass of each of the materials. Record the mass of  
both the A and B materials.  
7. Place both containers under the ratio check nozzle,  
positioned so one container captures material A,  
and the 2nd container captures material B.  
10. Divide the A material mass by the B material mass  
to obtain the material ratio being dispensed.  
8. Press the footswitch.  
Miscellaneous Machine Setups  
The following sections outline how to configure various  
optional settings.  
Manual DV Control:  
1. To change the DV operation press the third blue  
key from the left.  
Manual Control Options (M1)  
2. When the Current Dispense Valve Mode (E in  
The user can control the machine’s piston position and  
displacement valve operation manually the M1 screen.  
Figure 17) is  
, the valve will open and stay open  
regardless of the piston position.  
From the Run Screen press  
following screen will be displayed.  
then press  
. The  
3. When the Current Dispense Valve Mode is  
, the  
valve will close and stay closed regardless of the  
piston position.  
4. When the Current Dispense Valve Mode is  
valve will be in automatic mode, opening when the  
pump gets to the cylinder entrance and closing  
when it gets to the end of the cylinder.  
, the  
5. Press  
twice to return to the Run screen.  
Purge Timer / Alarm Settings (M2)  
When activate, the Purge Timer will automatically  
dispense a shot if the machine is idle (not dispensing  
material) for a programmed duration of time. This  
prevents the mixed material from hardening in the  
static mixer. To set the Purge Timer;  
Figure 17: Maintenance Screen (M1)  
Key:  
A
B
Full Retract ICON  
Full Extend ICON  
From the Run screen, press  
, then press  
, and then  
C Change Dispense Valve Mode  
press once. The following screen will be displayed.  
= Always Open  
= Always Closed  
= Opens at Cylinder Entrance (Automatic)  
D Current Piston Position  
E
F
Current Dispense Valve Mode  
Screen Number (C1)  
G
&
keys will navigate to adjacent screens.  
Figure 18: M2 after Purge Timer Selection  
Manual Piston Control:  
1. Press  
2. Press  
.
1. Press  
2. Press  
to extend the piston.  
to retract the piston.  
or  
to enter the purge timer value.  
This idle time allowed before the machine will  
automatically dispense a shot to clear the mixer.  
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Miscellaneous Machine Setups  
3. Press  
to accept the value or  
to retain the  
From the Run screen, press  
, then press  
, and then  
previous value.  
press 2 times. The following screen will be displayed.  
Figure 19: M2 after Purge Shot Size Prompt  
4. Press or to enter the purge shot size (in  
Figure 21: M3 Cycle Counter and Silent Mode Control  
Key:  
grams). Enter a number with at least as much  
volume as the mixer.  
A
B
Total Pump Cycle Counter Value (Not Resettable)  
Resettable Cycle Counter Value  
5. Press  
to accept the value or  
to retain the  
C Current Silent Mode State ICON  
previous value.  
Silent Mode Off  
6. Press  
Activating the purge timer automatically activates the  
purge alarm . This is the amount of time before  
the purge timer reaches zero that the machine will  
sound a warning beep to signaling that it is about to  
take a purge shot. To change the Purge Alarm value;  
twice to return to the Run screen.  
Silent Mode On  
D Reset Cycle Counter ICON  
E
I
Toggle Silent Mode ICON.  
Screen Number (M3)  
J
&
keys will navigate to adjacent screens.  
1. Press  
2. Press  
.
From the Run screen, press  
, then press  
, and then  
to accept the value or  
to retain the  
press once. The following screen will be displayed.  
previous value.  
3. Press twice to return to the Run screen.  
Silent Mode Operation:  
The default setting is  
, Silent Mode Off, where audio  
feedback is provided when a valid key (1 short tone), or  
an invalid key (3 short tones) is pressed.  
Figure 20: M2 after Purge Alarm Selection  
In  
, Silent Mode On, audio feedback is not provided.  
Silent Mode On has no effect on the audio sounds  
provided for the purge timer alarm, an error code, or  
when power is initially applied to the machine.  
1. Press  
2. Press  
.
or  
to enter the purge alarm duration  
To toggle or change the silent mode:  
(in seconds). The minimum value is 2 seconds,  
and a maximum of 59 seconds or the value of the  
purge timer if the timer is more than 59 seconds.  
From the Run screen, press  
, then press  
, and  
then press  
be displayed.  
2 times. Screen M3, see Figure 21, will  
3. Press  
to accept the value or  
to retain the  
previous value.  
1. Press  
2. Press  
or  
.
4. Press  
twice to return to the Run screen.  
to accept the change or  
to retain the  
previous setting.  
Cycle Counter and Silent Mode Control (M3)  
Resetting the Cycle Counter:  
3. Press  
twice to return to the Run screen.  
The cycle counter shown on the Run screen, see Figure  
6, shows the number of pump cycles since the last time  
the cycle counter was reset. To reset the cycle counter:  
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Miscellaneous Machine Setups  
Date and Time Settings (M4)  
1. Press  
. The M4 screen will appear as follows.  
At the bottom right corner of the Run screen the date is  
shown in DD-MM-YY format and the time is shown in  
HH:MM, 24 hour format. The formats cannot be changed.  
To set the current date:  
From the Run screen, press  
, then press  
, and then  
press 3 times. The following screen will be displayed.  
Figure 25: M4 after Time Set Selection  
2. Press  
3. Press  
and  
to enter the hour (0 - 23).  
to accept the change or  
to retain the  
previous setting.  
4. Press  
5. Press  
and  
to enter the minutes (0 - 59).  
to accept the change or  
to retain the  
previous setting.  
Figure 23: M4 Screen for Setting the Date and Time  
Key:  
6. Press twice to return to the Run screen.  
A
B
Current Date (DD-MM-YY)  
Current Time (HH:MM, 24 Hour Format)  
Tank Level Sensing and Velocity Change  
(“ ”) Options (C6)  
C Current Software Revision  
Dsp = Display Module  
FCM = Fluid Control Module  
D Date Set ICON  
If tank level sensors are installed into the system, an  
alarm is generated when a tank is almost empty. If the  
E
I
Time Set ICON.  
Screen Number (M4)  
feature is turned ON, a Tank A low (“ ”), a Tank B  
J
&
keys will navigate to adjacent screens.  
low (“ ”), or a both tanks are low (“ ”) error will be  
generated if the condition exists.  
1. Press  
. The M4 screen will appear as follows.  
The machine also measures the piston velocity and  
will generate an alarm if the piston velocity has  
changed significantly since the machine was last  
calibrated. A significant change is piston velocity,  
usually caused by a change in air pressure, can  
degrade shot size accuracy.  
The user has the capability to turn the  
feature OFF  
levels  
Figure 24: M4 Screen after Date Set Selection  
by selecting a level of 0%, or ON by selecting  
3. Press  
4. Press  
and  
to enter the year.  
of 20%, 40% or 60%. For instance, if 40% is selected,  
and the piston velocity changes by + or – 40%, an error  
code will be generated after the corresponding shot to  
inform the operator of the situation. If the velocity  
to accept the change or  
to retain the  
to retain the  
to retain the  
previous setting.  
increases above the selected level, a  
generated, and if the velocity decreases below the  
error will be  
5. Press  
6. Press  
and  
to enter the month.  
to accept the change or  
selected level a error will be generated.  
previous setting.  
The  
feature is automatically disabled when the  
7. Press  
and  
to enter the day.  
machine is in Operator mode, or when the machine is  
executing a purge shot.  
8. Press  
to accept the change or  
previous setting.  
From the Run screen, press  
, then press  
, then press  
5 times. The following screen will be displayed.  
9. Press twice to return to the Run screen.  
To set the current time:  
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Miscellaneous Machine Setups  
E
I
Change  
Screen Number (C6)  
Level ICON  
J
&
keys will navigate to adjacent screens.  
To turn the Tank Level Sensors On/Off:  
1. Press  
2. Press  
or  
.
to accept the change or  
to retain the  
previous setting.  
Figure 26: Tank Level and  
Key:  
(C6)  
3. Press  
twice to return to the Run screen.  
To turn the Velocity Change On/Off:  
A
Current Tank Level Mode  
1. Press  
2. Press  
.
= OFF,  
Current level  
= OFF  
= ON  
B
to accept the change or  
to retain the  
previous setting.  
= 20% change before warning  
= 40% change before warning  
= 60% change before warning  
3. Press twice to return to the Run screen.  
D Turn ON / OFF Tank Level Sensing ICON  
Password Setup / Clearing (C5)  
The machine has the capability to limit access to the  
Maintenance and Calibration screens. The password  
option can be configured into 1 of the following 3  
possibilities:  
a. No Password (default configuration, when machine  
shipped): All users can access all setup screens to  
configure the system.  
Figure 29: C5 Screen with at least 1 Password  
Configured  
b. One password (“ ”): Allows access to both the  
Key:  
A
B
maintenance and calibration screens (  
c. Two passwords:. One password allows access to  
both the calibration and maintenance screen (  
). The second password only allows  
+
).  
Administrative Password ICON  
Access Indicator for Administrative Password  
D Entry Status (Only filled after password change).  
Maintenance ONLY Password ICON  
Access Indicator for Maintenance ONLY Password  
G Administrative Password Set/Clear ICON  
H Maintenance ONLY Password Set/Clear ICON  
=
E
F
+
access to the maintenance screens (  
To alter the password configuration:  
=
).  
I
Screen Number (C5)  
J
&
keys will navigate to adjacent screens.  
From the Run screen, press  
, then press  
, and then  
press  
4 times. The following screen will be displayed.  
Setting/Clearing an Administrative Password:  
1. Press  
. The following screen will appear.  
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Password Setting/Clearing  
3. Press  
to accept.  
4. Re-enter the same 6-digit number.  
5. Press  
to accept.  
6. If both 6-digit passwords match, the C5 screen will  
be displayed, and an “OK” after the second row of  
symbols. If the 2 numbers do not match, the  
process will need to be repeated.  
Figure 30: Administrative Password Entry with NO  
Previous Password Stored  
7. Press  
twice to return to the Run screen.  
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.  
With a Maintenance ONLY password, after the user  
enters the password from the Password Entry screen,  
the following screen will be displayed.  
To clear the password, enter “000000”.  
2. Enter a 6-digit sequence, by pressing the  
corresponding soft keys, G-J in Figure 5. After the  
6th key entry, the enter LED will blink.  
3. Press  
to accept.  
4. Re-enter the same 6-digit number.  
Figure 32: Mode Selection Screen after  
Maintenance ONLY Password Entry  
5. Press  
to accept.  
6. If both 6-digit passwords match, the C5 screen will  
be displayed, and an “OK” after the first row of  
symbols. If the 2 numbers do not match, the  
process will need to be repeated.  
Resetting Passwords  
If for whatever reason, the passwords for the machine  
are not known, the passwords can be reset.  
To reset all the passwords to 000000:  
1. Temporarily remove power to the HMI.  
2. Re-apply power to the HMI.  
7. Press  
twice to return to the Run screen.  
Setting/Clearing a Maintenance ONLY  
Password:  
3. Immediately after the completion of the startup  
sequence (  
the second soft key for at least 6 seconds.  
,
,
,
,
, ….), press and hold  
1. Press  
. The following screen will appear.  
If the press and hold does not start  
immediately after the animation sequence, or  
the press and hold is interrupted, the  
procedure will need to be restarted at step 1.  
4. After 6 seconds, the HMI will generate a single tone  
indicating that the passwords have been cleared.  
Figure 31: Maintenance ONLY Password Entry with  
NO Previous Password Stored  
5. New passwords may be entered by following the  
steps in Password Setup / Clearing.  
If a previous Maintenance Only 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 “000000”.  
2. Enter a 6-digit sequence, by pressing the  
corresponding soft keys, G-J in Figure 5. After the  
6th key entry, the enter LED will blink.  
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Hibernate and Demo Modes  
If the press and hold does not start  
immediately after the animation sequence,  
or the press and hold is interrupted, the  
previous and this step may need to be  
repeated.  
Miscellaneous Machine Features  
HMI Hibernate Mode  
To help preserve the life of the HMI backlight, the  
HMI will enter a Hibernate mode after the machine  
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.  
4. After 6 seconds, the HMI will generate a single  
tone and the Demo Mode ON or OFF state will  
be changed.  
5. When in Demo Mode, a “D” will remain on the  
bottom left-hand corner of the Run screen, as  
indicated in the following figure.  
When in Hibernate mode, the HMI LCD backlight  
will be turned OFF, and the enter LED will blink at a  
slow duty cycle (1 part ON, 8 parts OFF).  
If the machine performs a purge shot when the HMI  
is hibernating, the HMI will remain in Hibernate mode.  
HMI Startup Animation Sequence  
When power is applied to the machine, the  
electronics need time to initialize communication.  
An “Hour Glass” animation sequence is generated  
Figure 33: Typical Run Screen in Demo Mode  
(
,
,
,
,
, ….). Attempts to use the  
6. To switch the HMI out of Demo Mode, repeat the  
previous steps.  
machine during the startup period will be rejected.  
HMI Demo Mode Operation  
Limitations of Demo Mode Simulation  
The machine HMI is equipped with a demonstration  
mode. When in “Demo Mode”, the HMI will not send  
any requests to the Fluid Control Module and the  
machine will not operate. The HMI will simulate  
normal operation and provide audio feedback to the  
user. All Demo Mode Maintenance and Calibration  
screens are identical to screens provided in normal  
mode operation.  
Even though Demo Mode provides a good training  
simulation for the user, it does have limitations when  
compared to the HMI operating in normal mode.  
•
On the Run screen, all the shot mode shots are  
simulated as single piston stroke shots  
regardless of the shot size and calibration  
numbers entered.  
•
•
The run screen animation sequence of the piston  
movement is not as gradual as in real operation.  
Demo Mode can be used as a training tool for the  
user. The user simply has to connect the HMI unit to  
a separate power supply module, and the HMI will  
operate normally without the machine attached.  
On the Run screen, during Operator mode  
operation, a stalled piston condition is not  
simulated.  
Any calibration, passwords, shot sizes, purge timer  
settings, or other miscellaneous settings entered  
while operating in Demo mode WILL NOT alter any  
normal mode settings. Also, the first time Demo  
mode is entered, all the calibration & maintenance  
screen setups previously described will need to be  
repeated.  
•
The piston cycle counter is not stored for use  
after power interruption, so if power is cycled to  
the HMI, the cycle count will be reset.  
•
•
The piston position numbers provided on the C1  
screen are simulated.  
To configure the HMI into and out of Demo Mode:  
1. Temporarily remove power to the HMI.  
2. Re-apply power to the HMI.  
All error codes will be NOT be generated, except  
a stuck key error (E11) if the condition exists.  
3. Immediately after the completion of the startup  
sequence (  
,
,
,
,
, ….), press and  
hold the first soft key for at least 6 seconds.  
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Pressure Relief and Shutdown Procedures, Error Codes  
Pressure Relief Procedure  
With the machine in an idle state:  
1. If the machine pistons are not fully retracted,  
retract the pistons by pressing  
screen. See Figure 17.  
in the M1  
2. Manually open the dispense valve by pressing  
the third M1 soft key until the “ ” ICON is  
shown in the Current DV field. See Figure 17.  
Figure 34: Typical Error Code Screen  
Key:  
3. Remove the incoming air pressure by closing the  
air inlet valve (item 13 in Figure 54).  
A
Error Code Animation Field  
B Error Code Number Field  
D Error Code ICON  
Standby/Shutdown Procedure  
E
Error Code Acknowledgement ICON  
If the machine is to remain idle for an extended  
period of time, implement the following:  
When an error code is generated, the user will need  
to acknowledge the condition by pressing the soft key  
1. Remove any static mixer installed at the end of  
the dispense valve.  
under the  
ICON.  
After the user activates the  
key, the error number  
2. Place a container below the valve, and activate a  
small shot to flush material away from the end of  
the valve.  
generated in the Figure 34 example, will be displayed  
on the bottom left hand corner of the Run screen,  
while the condition is still present.  
3. To prevent accidental pump movement, press  
(red).  
4. With a clean rag, clean the end of the dispense  
valve to remove excess material.  
5. Install a nightcap at the end of the valve.  
Error Codes  
Figure 35: Typical Run Screen with an Active  
Error Code Condition  
When the machine is operating and a fault is  
detected, it will report the condition by generating an  
error code. Error codes are typically generated  
when the machine is idle after dispensing a shot.  
The example E12 number on the main run screen will  
remain on the run screen as long as the error  
condition exists. If the problem is corrected the  
example E12 number will be removed.  
When error codes are generated, a screen will be  
displayed which contains an animation sequence, the  
error code number and an ICON symbol representing  
the condition detected. The HMI will also output an  
error code tone sequence. The tone sequence  
cannot be disabled.  
If more than 1 error code condition exists for the  
machine, the corresponding “EXX” numbers will be  
listed on the bottom left corner, separated by  
commas.  
When errors are generated, the machine will  
automatically be disabled and remain in an idle state  
until the user acknowledges the condition. Any active  
purge timer present prior to error code generation will  
be suspended, and will need re-started by requesting  
a shot after the error is acknowledged.  
The following typical screen is generated when an  
error code is generated:  
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Error Code Table  
Error Code Table  
Title  
#
Cause, Details  
ICON  
Stuck Key Error  
E11  
A key on membrane has been active (pressed) for > 30 seconds continuously.  
Replace the HMI. This error code does not require user acknowledgment and  
will clear itself automatically if the condition is removed.  
Communication  
Error  
E12  
The Display module has lost communication with the Fluid Control Module.  
Material dispensing will be disabled if this condition exists. Check  
communication cables between the 2 electronic components, or check the  
HMI and/or the Fluid Control Module.  
This error will be regenerated continuously while the condition exists.  
No or Invalid Run E13  
Token Error  
The Run Token in the FCM is missing (not installed), or does not have the  
correct data.  
Piston Stroke  
Time-out Error  
E21  
A piston stroke action has taken > 55 seconds. Typically caused by no/too  
little air pressure to the machine or a mechanical interference with the piston  
has occurred. Check machine input line pressure.  
Less than  
Minimum Shot  
Requested Error  
E23  
E24  
User has requested a shot < the minimum allowable size entered during  
calibration. (< 15% of stoke, N/A in Operator Mode).  
Improper  
Calibration Error  
The calibration done on the machine is invalid, so the requested shot cannot  
be executed. For instance, a Large Stroke Calibration Shot mass which is  
less than the Short Stroke Calibration Shot mass (C4 screen) will create this  
error code. If the wiring to the linear position transducer is reversed this error  
will appear. If invalid piston positions are calibrated into the machine (C1  
screen) this error will appear.  
Delta Velocity  
(“V”) Minus Error  
E25  
The piston velocity is slower than the calibration velocity measured, by the  
percentage amount selected by the user (20%, 40% or 60%). If the user  
selects 0%, this monitoring or alarm feature is disabled.  
If generated, shot size accuracy may be degraded. Typically the problem is  
created when the machine pressure regulator is adjusted to different value  
from when the machine was calibrated. Another less likely cause could be a  
mechanical failure with dispensing (worn piston, etc.). This error will not be  
generated for a purge shot or when the machine is in Operator mode.  
Delta Velocity  
(“V”) Plus Error  
E26  
The piston velocity is faster than the calibration velocity measured, by the  
percentage amount selected by the user (20%, 40% or 60%). If the user  
selects 0%, this monitoring or alarm feature is disabled.  
If generated, shot size accuracy may be degraded. Typically the problem is  
created when the machine pressure regulator is adjusted to different value  
from when the machine was calibrated. Another less likely cause could be a  
mechanical failure with dispensing (worn piston, etc.). This error will not be  
generated for a purge shot, or when the machine is in Operator mode.  
Low Material  
Level, Tank A  
Alarm or Error  
E27  
E28  
Tank A is low (only generated if tank sensing is enabled). Fill tank A with  
material.  
Tank level errors will be generated after every shot if the condition still exists.  
Low Material  
Level, Tank B  
Alarm or Error  
Tank B is low (only generated if tank sensing is enabled). Fill tank B with  
material.  
Tank level errors will be generated after every shot if the condition still exists.  
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Error Code Table  
Low Material  
Level, Both Tanks  
Alarm or Error  
E29  
E50  
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.  
There is a fault with the linear position sensor. Check wiring or replace.  
Bad Linear  
Position Sensor  
Table 1: Error Code Table  
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ICON Tables  
ICON Descriptions  
Key  
Key Description  
Screen  
Maintenance and Calibration Screens Enter / Exit.  
Shot Mode / Operator Control Mode Selection.  
All  
Run  
Run, C2,  
C4  
Shot Request (green)  
Red Stop or Cancel (Stops Operation Immediately, regardless of Screen).  
Up (Used to Raise Numerical Entry, Screen Navigation or Shot Selection).  
Down (Used to Lower Numerical Entry, Screen Navigation or Shot Selection).  
Enter (Used to Accept Entry).  
All  
Many  
Many  
Many  
All  
Soft (Changes Function, Depending Upon Screen).  
Table 2: PR70 HMI ICON Table  
ICON  
Description  
Screen  
Calibration Screens.  
Maintenance Screens.  
Option Abort or Escape.  
Piston Full Extend.  
Many  
C1, M1  
Piston Full Retract.  
C1, M1  
C1  
Metering Tube or Cylinder Entrance.  
Phasing Shot.  
C2  
Decrease Phasing Shot.  
Increase Phasing Shot.  
C2  
C2  
Open Displacement Valve (DV) Position Adjustment.  
C3  
Tables 3: PR70 Screen ICON Tables  
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ICON Tables  
ICON  
Description  
Screen  
Short Stroke Calibration Shot  
C4  
Long Stroke Calibration Shot  
C4  
C5  
C5  
C6  
Administrative Password Set/Clear  
Maintenance Only Screens Password Set/Clear  
Tank Level Sensing ON  
Tank Level Sensing OFF  
C6  
C6  
M1  
Delta Velocity Set Level (0 = OFF)  
Displacement Valve Always Open  
Displacement Valve Always Closed  
Displacement Valve Automatic Operation  
Shot Size Definition  
M1  
M1  
M2  
Purge Timer Set/Clear  
Purge Shot Size  
M2  
M2  
M2  
Purge Alarm Setting  
Zero Cycle Counter  
Silent Mode ON  
M3  
M3  
Silent Mode OFF  
Set Date  
M3  
M4  
M4  
Set Time  
Tables 4: PR70 Screen ICON Tables (Continued)  
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Maintenance, Software Upgrades and Run Token  
4. Insert a black programming token into the slot  
provided. Make sure it snaps into place when  
inserted.  
Maintenance  
The following items should be checked daily, once  
during a shift, or as required for the application:  
5. Turn ON the AC power switch.  
6. Verify the red LED on the FCM or HMI starts  
blinking at a fast steady rate, then the red LED  
stops flashing accordingly. Verify the Green LED is  
on continuously, and the amber LED blinks every  
few seconds.  
•
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 the material reservoirs are  
vented properly.  
7. Turn OFF the AC power switch.  
•
•
Air Dryer - Check the condition of the desiccant air  
dryer, and replace if necessary.  
8. Remove the programming token from the FCM or  
HMI. If the second electronic component needs  
updating, insert the token into the other electronic  
module. If the FCM was re-programmed, re-insert  
the blue run token in the slot provided.  
Pump Shafts – Clean both pump shafts with  
solvent and lubricate with approved lubricant such  
as mesamoll or Silicon oil.  
•
•
Dispense Head – Dismantle, clean thoroughly and  
re-assemble. Lubricate all parts with a thin coat of  
approved lubricant, or silicon oil.  
9. If programming a second electronic module, repeat  
steps 5 through 8.  
10. Re-apply machine power.  
Ratio Check – If material ratio is critical for the  
application, implement the ratio check procedure as  
required.  
11. Go to the M4 screen to verify the new software  
revision(s).  
Run Token  
Software Upgrades, Run Token  
The PR70 Fluid control module (FCM) contains a blue  
run token, installed in the socket provided. It has  
identical appearance to the black programming token,  
but is blue.  
When software in the HMI or Fluid Control Module  
(FCM) needs updating, a black Graco update token is  
used.  
If the token is not installed into the FCM, the machine  
will not operate, and an E13 error will be generated on  
the display module. Hence, if the FCM software is  
updated, it will need to be re-installed at the end of the  
re-programming procedure.  
Figure 36: Standard Graco Data Token  
To transfer an updated software program from the  
token to the PR70 HMI or FCM:  
1. Turn OFF the AC power switch in the back of the  
machine.  
2. If updating the Fluid Control Module (FCM), open  
the access door to the FCM by loosening the 2  
access screws. Remove the Blue Run token from  
the FCM.  
3. If updating the Human Machine Interface (HMI),  
remove the HMI from the mounting bracket and  
remove the back cover by removing the 4 screws on  
the back of the enclosure.  
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Troubleshooting  
Troubleshooting  
3. Allow the machine to cool, if the machine has a heat  
control option.  
Try the recommended solutions in the order given for  
the each problem to avoid unnecessary repairs. Also  
verify all circuit breakers, switches, and controls are  
properly set and wiring is correct before assuming there  
is a problem.  
Before starting any troubleshooting procedures:  
1. Relieve pressure (refer to Pressure Relief  
Procedure Section).  
2. Disconnect AC power to the machine.  
PROBLEM  
CAUSE  
SOLUTION  
No Power  
Fuse Blown  
Verify rear AC Power switch is ON.  
Replace Machine fuses (Refer to “Miscellaneous  
Mechanical Assemblies” Section).  
Tighten 5 pin cable on HMI.  
HMI Display Completely Dark  
Loose connection  
Bad HMI  
Replace HMI  
Ball Valve Closed  
Tank empty  
Tank Clogged  
Open Tank Ball Valve (if installed).  
Fill tank with material  
No or incorrect amount of  
material dispensed from either  
side  
Verify no obstruction in the tank  
Prime the machine until the air is removed.  
Remove, clean or replace check valve.  
Remove and replace piston if worn.  
Re-connect input air line to machine. Increase  
air pressure regulator adjustment.  
Replace static mixer. Incorporate or decrease  
purge time amount to prevent mixer blockage.  
Re-adjust the ODV setting to occur sooner (C3  
screen section).  
Air in material  
Check valve malfunction  
Piston worn or broken  
Input Air Reduced or  
removed  
Mixer blocked  
Piston stalled (E21 Error)  
ODV adjustment too late  
Blocked Check valve  
Air Cylinder Failure  
Remove check valve, clean and replace.  
Remove air cylinder and re-install cylinder kit  
items if necessary.  
Significant material leaking  
from pump rear seal  
Pump Shaft worn  
Remove pump shaft assembly, and re-install rear  
pump re-built kit.  
Specific gravity of 1 or more  
of the 2 materials has  
changed since calibration.  
Machine Air pressure has  
changed since calibration.  
Mix materials in tanks, dispense another shot,  
then re-weigh. Re-calibrate if necessary (C4  
section).  
Re-adjust air pressure regulator to value used  
when machine was calibrated, or re-calibrate (C4  
Material dispensed not correct  
weight  
section). Turn ON or decrease  
Check tank levels, and fill and prime if  
necessary.  
% level.  
Not enough material in 1 or  
more tanks  
Mixer has slight obstruction  
Check valve malfunction  
Replace static mixer. Re-prime machine.  
Remove check valve(s), clean or replace if  
necessary.  
Piston worn or broken  
One tank is empty  
Tank Ball valve Closed  
Machine out of phase  
Check valve malfunction  
Remove and replace piston(s) if necessary.  
Check tank levels. Add material if necessary.  
Open tank ball valve. Re-prime machine.  
Re-phase machine (C2 section).  
Remove check valve(s), clean or replace if  
necessary.  
Machine dispensing off ratio  
Piston worn or broken  
Check valve stuck open  
Remove and replace piston(s) if necessary.  
Remove check valve(s), clean or replace if  
necessary.  
Pumps drawing material back  
from valve hose  
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Base Frame and Air Cylinder Assemblies  
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 Cylinder, Pump and Drive Block Attachments  
Key:  
Ref  
1
2
3
4
P/N  
Description  
QTY  
1
4
Ref  
5
6
7
8
P/N  
Description  
QTY  
LC0112  
120913  
120919  
Pump Assembly, PR70  
Screw, SHC, M8-1.25 x 25  
Nut, Hex, M14  
LC0107  
121166  
LC0109  
121167  
Drive Block Assembly, PR70  
Screw, SHC, M6-1.0 x 40  
Base Frame Assembly  
Screw, SHC, M8 - 1.25 x 40  
1
4
1
4
LC0110, or Air Cylinder Assemblies, 3.0” or 4.5”  
LC0111  
1
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Base Frame and Air Cylinder Assemblies  
Figure 40: PR70 Power Entry Bracket and Control Bracket Assembly Attachments  
Key:  
Ref  
1
2
P/N  
120885  
LC0108  
Description  
Screw, SHC, M5 – 0.8 x 14  
Control Bracket Assembly, PR70  
QTY  
4
1
Ref  
3
4
P/N  
LC0106  
120885  
Description  
Power Entry Assembly, PR70  
Screw, SHC, M5 – 0.8 x 14  
QTY  
1
2
Base Frame Assembly  
Figure 41: PR70 Base Frame Assembly (LC0109)  
Key:  
Ref  
1
2
3
4
P/N  
Description  
QTY  
Ref  
P/N  
Description  
CLAMP  
TRANSDUCER ASSY, LINEAR, PR70S  
GUIDE, LINEAR  
SCREW, SHC,M6-1.0X25,MS,E  
QTY  
120599  
120885  
120913  
15K788  
PIN, DOWEL, 3/8DIAX1.50LG, SS  
SCREW,SHC, M5-0.8X14,MS,E  
SCREW,SHC, M8X1.25X25,MS, E  
FRAME, BASE, PR70S, MACHINED  
2
2
2
1
5
6
7
8
15K796  
LC0033  
120918  
120886  
1
1
1
4
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Base Frame and Air Cylinder Assemblies  
Air Cylinder Assemblies, and Rebuild Kits  
Figure 42: PR70 Air Cylinder System and Schematic  
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Air Cylinder Assemblies  
Figure 43: PR70 Air Cylinder Assemblies, 3.0” & 4.5” Diameters (LC0110 & LC0111)  
Key:  
(LC0110, 3.0” DIA. Assy., PR70)  
(LC0111, 4.5” DIA. Assy., PR70)  
Ref  
1
2
3
4
5
6
7
8
P/N  
Description  
ORING, VIT, BAD  
SCREW, SHC, M4X0.7X55, MS, E  
ORING, VIT, CCE  
QTY  
1
3
1
4
1
1
1
1
1
1
2
5
1
3
2
1
Ref  
1
2
3
4
5
6
7
8
P/N  
Description  
ORING,VIT,BAD  
SCREW, SHC, M4X0. 7X55,MS,E  
ORING,VIT,CDG  
QTY  
1
3
1
4
1
1
1
1
1
1
2
5
1
3
2
1
107571  
114100  
120875  
120880  
120881  
120884  
120899  
120900  
120922  
120923  
120932  
121018  
121020  
121021  
121022  
15K790  
15K791  
15K792  
15K793  
15K795  
107571  
114100  
104131  
120880  
120881  
120884  
120899  
120900  
120922  
120923  
104271  
121018  
121020  
121021  
121022  
15K789  
15K791  
15K792  
15K794  
15K795  
SCREW, SHC, M8-1.25 X 125, MS, E  
BEARING, 1.00ID X 1.252 OD X 1.00LG,  
SCREW, SHC, M12-1.75 X 20, MS  
VALVE, 4W, 3P, COE, DSSC, ¼ NPT, 24VDC  
VALVE, PWR, 4W, SSSR, 1/4NPT, 24VDC  
MUFFLER, AIR, ¼ NPT, FLOW CONTROL  
ELBOW, SWVL, ¼ TUBE X 10-32, FXM, 90o,  
ORING, VIT, JDA  
ELBOW, SWVL, 3/8 TUBE X ¼ NPT, FXM, 90o  
ELBOW, SWVL, EXT'D, ¼ X ¼ NPT, FXM, 90o  
MUFFLER, AIR, ¼ NPT, BRONZE  
ELBOW, SWVL, ¼ TUBE X ¼ NPT, FXM, 90o  
TUBE, AIR CYL, 3.0 I.D., PR70S  
BLOCK, AIR CYL, ROD END, PR70S  
BLOCK, AIR CYL, BLIND END, PR70S  
PISTON,AIR CYL, 3.0 I.D., PR70S  
ROD, PISTON, AIR CYL, PR70S  
SCREW,SHC,M8-1.25X125,MS,E  
BEARING, 1.00IDX1.252ODX 1.00LG  
SCREW, SHC,M12-1.75X20,MS  
VALVE, 4W, 3P,COE, DSSC, 1/4NPT, 24VDC  
VALVE,PWR,4W, SSSR, ¼ NPT, 24VDC  
MUFFLER,AIR, 1/4NPT, FLOW CONTROL  
ELBOW, SWVL, ¼ X 10-32, FXM, 90o, CM/PL  
ORING,VIT,JDG  
ELBOW,SWVL,3/8TUBEX ¼ NPT, FXM, 90DE  
ELBOW, SWVL, EXT'D, ¼ X ¼ NPT, FXM, 90o  
MUFFLER,AIR, ¼ NPT, BRONZE  
ELBOW, SWVL, ¼ TUBE X ¼ NPT, FXM, 90DE  
TUBE, AIR CYL,4.5 I.D.,PR70S  
9
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
1
1
1
1
BLOCK, AIR CYL, ROD END, PR70S  
BLOCK, AIR CYL, BLIND END, PR70S  
PISTON, AIR CYL,4.5 I.D.,PR70S  
ROD, PISTON, AIR CYL,PR70S  
1
1
1
1
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Pump Assembly  
To install a new Air Cylinder Kit:  
12. Remove the cylinder rod from the rod end block, then  
remove the rod o-ring (item 3 of Figure 40) from the rod  
end block and replace.  
1. Follow the Pressure Relief Procedure and turn off the  
machine.  
13. Liberally apply Graco high temperature lubricant Grease  
(Graco P/N 115982) to the inside of the tube (16), the  
outside of the piston (19), all the o-rings and the cylinder  
rod (20).  
2. Disconnect the airline, remove the PR70 Shroud, 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).  
14. Re-assemble the air cylinder. Attach the 2 drive blocks  
by reinstalling the 4 long screws (4) finger tight. Then  
3. Remove the 2 air valves (items 7 & 8) from the cylinder  
end block (18) by removing the 3 attachment screws (2).  
torque the screws as specified in note  
a crisscross pattern.  
of Figure 43 in  
4. Disconnect the air cylinder piston rod (20) from the  
machine drive block assembly (item 5 of Figure 39) by  
removing all hex nuts (item 3 of Figure 39) from the piston  
rod (additional nuts may be installed if the machine has a  
Hydracheck option). An open-end wrench will be  
required to prevent the rod from turning when the nuts are  
removed.  
NOTICE  
In the previous step, air cylinder damage may result if  
screws are not installed in a crisscross pattern.  
15. Air Cylinder damage may result if bolts are not installed in  
a crisscross pattern.  
5. Disconnect the air cylinder from the machine frame base  
assembly (item 7 of Figure 39) by removing the 4 screws  
(item 8 of figure 39), which attach the cylinder rod end  
block (17) to the frame. Access the screw through the 4  
holes in the blind end block (18) using a long allen  
wrench.  
16. Reinsert the air cylinder into the back of the machine by  
inserting the cylinder rod through the hole in the base  
frame and in the drive block.  
17. Before the cylinder is completely in place, re-connect the  
airlines to the cylinder block elbows fittings (12). Verify  
the correct airlines are connected (see Figure 43).  
6. Remove the air cylinder by pulling on the cylinder from  
the back of the machine.  
18. Reattach the cylinder to the base frame by reinstalling the  
4 screws (item 8 of Figure 39).  
7. With the cylinder partially removed, disconnect the  
airlines at the air cylinder elbow fittings (12).  
19. Reattach the cylinder to the drive block by reinstalling the  
hex nut (item 3 of Figure 39) to the cylinder rod. Torque  
8. On a bench, disassemble the air cylinder by removing the  
4 long screws (4), which connect the 2 cylinder blocks.  
the nut as specified in note  
of Figure 39.  
9. Inspect the cylinder tube (16) and piston (19) to verify no  
scratches exists. Replace if necessary.  
20. Reattach the valves to the blind end block by reattaching  
the 3 screws (2).  
10. Using a clean dry cloth, remove any existing grease from  
the inside of the tube (16), the outside of the piston (19)  
and the cylinder rod (20).  
21. Reattach the power entry assembly by reinstalling the 2  
attachment screws (item 4 of Figure 40).  
11. Remove the 2 cylinder block o-rings (item 2 of Figure 40)  
from the blocks and replace. Remove the piston o-ring  
and replace (item 1 of Figure 40).  
22. Reconnect input air into the machine. Operate the  
machine accordingly, and verify no air leaks are found.  
Recalibrate the machine.  
Figure 44: PR70 Air Cylinder Rebuild Kits, 4.5” and 3.0” Diameter Versions (LC0092 & LC0091).  
Key:  
(LC0092, 4.5” DIA. Rebuild Kit)  
(LC0091, 3.0” DIA. Rebuild Kit)  
Ref  
1
P/N  
Description  
QTY  
Ref  
1
P/N  
Description  
QTY  
104131  
104271  
107571  
ORING, VIT, CDG  
ORING, VIT, JDG  
ORING, VIT, BAD  
1
2
1
120875  
120932  
107571  
ORING, VIT, CCE  
ORING, VIT, JDA  
ORING, VIT, BAD  
1
2
1
2
3
2
3
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Pump Assembly  
Drive Block Assembly  
Figure 45: PR70 Drive Block Assembly (LC0107)  
Key:  
Ref  
1
2
P/N  
Description  
QTY  
Ref  
4
5
P/N  
Description  
QTY  
120891  
15K801  
15K802  
SCREW, SHS, M6-1.0 X 8, MS  
ROD, ALIGNMENT  
NUT, RETAINER  
2
2
2
15K805  
15K868  
84/0130-  
27/11  
BLOCK, DRIVE, PR70S  
WASHER, SPERICAL, ½ DIA. MODIFIED  
LABEL, HAND CRUSH, 1.3 X 1.1, TRIANGLE,  
ISO  
1
2
1
3
6
Pump Assemblies and Rebuild Kits  
Figure 46: PR70 Pump Assembly (LC0112)  
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Pump Assembly  
Key:  
Ref  
1
2
3
4
6
7
8
P/N  
Description  
ORING, VIT, JCB  
NUT, HEX, M8 X 1.25, MS  
POSIPAK, 0.375ID X 0.625OD, COIL  
RING, RET, INT, 1.00, SS  
SCREW, SHC, M8 X 1.25 X 65, MS, E  
HOUSING, PUMP, PR70S, MACHINED  
CAP, END, PUMP, PR70S, MACHINED  
QTY  
Ref  
9
P/N  
Description  
COLLAR, PUMP  
QTY  
106258  
108712  
120887  
120890  
120982  
15K786  
15K787  
2
2
2
2
8
1
2
15K803  
15K804  
15K824  
15K828  
15K895  
LC0093  
2
2
2
2
2
2
10  
11  
12  
13  
14  
HOUSING, BEARING, SEAL, PR70S  
SHAFT, PISTON, 3/8, PR70S, SS  
WASHER, SEAL, 3/8, PR70S, SS  
HOUSING, CHECK VALVE  
KIT, REBUILD, VALVE, CHECK, PR70S  
To install a new Check Valve Rebuild Kit:  
8. With the rounded inside surface of the check valve  
seat (item 4 of figure 47) facing down, place the seat  
on top of the check valve ball.  
1. With the machine in an idle state and a bucket  
below the dispense valve to catch material, fully  
9. Holding both ends of the assembled check valve  
assembly, install the check valve into the un-threaded  
end of the check housing (13) with the ball end facing  
out. Apply some pressure to the valve to snugly fit the  
completed check valve into the housing and the fit the  
check valve seat (item 4 of figure 47) into the valve  
guide.  
extend the piston by pressing  
screen.  
in the M1  
2. To prevent machine movement, press  
3. With a bucket below the check valve to be  
(red).  
replaced, disconnect the male hose fitting from  
the check valve housing (13), by loosing the hose  
from the housing. Catch any material draining  
from the hose into the bucket.  
10. Verify when the assembled check valve and housing  
(13) are turned up-side down, that the contents of the  
valve stays in place.  
4. Remove the check valve housing (13) from the  
pump endcap (8) by loosening the housing with a  
wrench.  
11. Re-insert the new valve and valve housing into the  
pump end cap, using a wrench.  
12. Re-install the material male hose fitting into the check  
valve housing using a wrench.  
5. Remove the existing check valve (14) from the  
housing (13) by inserting a screwdriver or dowel  
rod into the female threaded end of the check  
valve housing.  
13. Before re-using the machine for operation, activate a  
few shots to purge any air present in the material hose  
lines due to the procedure.  
6. With the new check valve ball guide (item #3 in  
figure 43) on a bench with the open end up,  
install the check valve spring (item 2 of figure 47)  
into the guide.  
14. Re-calibrate the machine if necessary.  
7. Install the check valve ball (item 1 of figure 47) on  
top of the spring.  
Figure 47: PR70 Check Valve Rebuild Kit (LC0093)  
Key:  
Ref  
1
2
P/N  
105445  
121084  
Description  
BALL,CHECK VALVE  
SPRING, 0.30OD X 0.44LG, 22#/IN, 20PSI, S  
QTY  
1
1
Ref  
3
4
P/N  
15D312  
196832  
Description  
BUSHING, BALL GUIDE  
SEAT, LAPPED, CHECK VALVE  
QTY  
1
1
312393G  
36 of 50  
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Pump Assembly  
Figure 48: PR70 Rear Pump Rebuild Kit (LC0094)  
Key:  
Ref  
1
2
P/N  
106258  
120890  
Description  
ORING, VIT, JCB  
RING, RET, INT, 1.00, SS  
QTY  
1
1
Ref  
3
P/N  
120887  
Description  
POSIPAK, 0.375ID X 0.625OD, COIL  
QTY  
1
To install a new Rear Pump Rebuild Kit:  
10. Apply 1 layer of thin masking tape over the male  
threads of the pump shaft, which mates with the  
drive block. This will prevent the threads from  
damaging the seal or Posipak (3).  
1. Drain the pump by taking several shots with either  
the tank ball valves closed (if installed), or by  
activating enough shots to empty the tanks.  
11. Using extreme caution, slide the pump shaft through  
the hole in the bearing housing as indicated in  
Figure 48. Align the bearing housing in position  
next to the pump housing.  
2. Disconnect the pump shaft (item 11 of Figure 46)  
from the drive block assembly by loosening the  
shaft locking nut (item 2 of Figure 46), then turning  
the shaft with a wrench while preventing the drive  
block alignment rod (item 2 of Figure 45) from  
rotating with a wrench. Manually push the pump  
shaft forward toward the extend position to separate  
the shaft from the drive block.  
12. Re-install the pump collar over the bearing housing  
and attach it to the pump housing using the 2  
screws (item 5 on Figure 46) previously removed.  
Torque the screws as specified in note  
Figure 46.  
of  
3. Remove the shaft lock nut from the shaft.  
4. Remove the pump collar (item 9 on Figure 46) from  
the pump housing (item 7 on Figure 46) by  
13. Remove the masking tape from pump shaft.  
14. Re-install the pump shaft lock nut to the pump shaft.  
removing the 2 screws (item 5 on Figure 46).  
15. Re-install the pump shaft to the drive block  
alignment rod.  
5. Slide the pump bearing housing (item 10 of Figure  
46) away from the pump housing to remove.  
16. Re-tighten the lock nut.  
6. Remove the existing rear pump build components  
(refer to Figure 48 items) from the pump bearing  
housing.  
17. Open the tank ball valves (if installed) and put more  
material into the tanks.  
7. Using a clean dry cloth, remove any existing grease  
from the bearing housing.  
18. Instigate several shot to fill the pump with new  
material.  
8. Apply new high temperature grease lubricant (Graco  
P/N 115982) to the inside of the pump bearing  
housing, and the new rebuild components.  
19. Re-calibrate and re-phase the machine, due to the  
procedure performed.  
9. Install the new rebuild kit components into the  
bearing housing as indicated in Figure 48.  
312393G  
37 of 50  
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Pistons & Metering Tubes  
Piston Cylinders or Metering Tubes  
Figure 49 PR70 Nylon and UHMWPE Piston Replacement Kits  
Key:  
Ref  
1
2
Description  
Piston  
Screw  
QTY  
1
1
Ref  
3
Description  
Oring  
QTY  
2
When ordering a piston replacement kit, the following  
intelligent part numbering system applies for Nylon  
based pistons:  
The items indicated in Figure 49 above will be  
supplied with the kit. Refer to the Models section for  
the available standard piston sizes.  
LCF - 120  
Code :  
A
When ordering a UHMWPE replacement kit, the  
following numbering applies:  
LCE - 160  
Code :  
A
312393G  
38 of 50  
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Pistons & Metering Tubes  
To install a new Piston or Piston/Cylinder  
Replacement Kit:  
installed), or by activating enough shots to empty  
the tanks.  
1. Drain the machine pistons by instigating several  
shots with either the tank ball valves closed (if  
3. Remove the pump end caps (item 8 of figure 46)  
by removing the 4 end cap screws (item 6 of  
figure 46). Allow the cap to hang by the hose.  
2. To prevent machine movement, press  
(red).  
9. Select an operating mode, then retract the  
pistons by pressing  
in the M1 screen.  
10. To prevent machine movement, press  
(red).  
4. Remove the cylinder and Orings (items 1 and 6 of  
figure 50) from the pump housing (item 7 of figure  
46) and pump cap.  
11. Lubricate the new o-rings with a high temperature  
grease, Graco P/N 115982 or equivalent. Place  
the lubricated o-rings into the inside circle  
placements in the pump housing and pump end  
caps.  
5. Select an operating mode, then fully extend the  
pistons by activating the  
screen.  
option in the M1  
12. Install the cylinder between the pump housing  
and end cap, then secure the cylinder and Orings  
by re-attaching the 4 end cap screws (item 6 of  
figure 46).  
6. To prevent machine movement, press  
(red).  
7. Remove the existing piston (1) and any front or  
rear washers (items 3 & 4 of figure 50) from the  
pump shaft (item 11 of figure 46) by removing the  
piston screw (2). A wrench will be required near  
the drive block to prevent the pump shaft from  
rotating while the screw is removed.  
13. Open the tank ball valves (if installed) or put more  
material into the tanks.  
14. Instigate several shot to fill the pump with new  
material.  
8. Install the new piston and any rear or front  
washers, by re-installing the piston screw into the  
pump shaft. When tightening the piston screw,  
tighten the screw until the piston stops rotating,  
then turn the screw an additional ¼ turn.  
15. Re-calibrate the machine, due to the procedure  
performed.  
NYLON PISTONS (SEE FIGURE 50)  
Frt.  
Washer  
Item 3  
Back  
Washer  
Item 4  
Tube  
Piston  
Screw  
Item 5  
O-ring  
Item 6  
Part No.  
LC1080  
LC1100  
LC1120  
LC1140  
LC1160  
LC1180  
LC1200  
LC1220  
LC1240  
LC1260  
LC1280  
LC1300  
LC1320  
LC1360  
LC1400  
LC1440  
LC1480  
LC1520  
LC1560  
LC1600  
LC1640  
LC1720  
LC1800  
LC1880  
LC1960  
Rev.  
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
Series  
A
Area  
80  
Item 1  
Item 2  
LCC080  
LCC100  
LCC120  
LCC 140  
LCC 160  
LCC 180  
LCC 200  
LCC 220  
LCC 240  
LCC 260  
LCC 280  
LCC 300  
LCC 320  
LCC 360  
LCC 400  
LCC 440  
LCC 480  
LCC 520  
LCC 560  
LCC 600  
LCC 640  
LCC 720  
LCC 800  
LCC 880  
LCC 960  
LCB080  
LCB 100  
LCB 120  
LCB 140  
LCB 160  
LCB 180  
LCB 200  
LCB 220  
LCB 240  
LCB 260  
LCB 280  
LCB 300  
LCB 320  
LCB 360  
LCB 400  
LCB 440  
LCB 480  
LCB 520  
LCB 560  
LCB 600  
LCB 640  
LCB 720  
LCB 800  
LCB 880  
LCB 960  
15M089  
15M089  
NOT REQ NOT REQ  
NOT REQ NOT REQ  
NOT REQ  
NOT REQ  
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
100  
120  
140  
160  
180  
200  
220  
240  
260  
280  
300  
320  
360  
400  
440  
480  
520  
560  
600  
640  
720  
800  
880  
960  
15M099  
15M099  
15M099  
15M099  
15M100  
15M100  
15M100  
15M100  
15M100  
15M100  
15M100  
15M100  
15M100  
15M100  
15M101  
15M101  
15M101  
15M101  
15M101  
15M101  
15M101  
15K887  
15K887  
15K887  
15K887  
15K887  
15K887  
15K887  
15K887  
15K888  
15K888  
15K888  
15K888  
15K888  
15K888  
15K888  
15K888  
15K890  
15K890  
15K890  
15K890  
15K890  
120933  
120874  
312393G  
39 of 50  
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Pistons & Metering Tubes  
NYLON PISTONS (SEE FIGURE 50)  
Frt.  
Washer  
Item 3  
Back  
Washer  
Item 4  
Tube  
Piston  
Screw  
Item 5  
O-ring  
Item 6  
Part No.  
LC2160  
LC2180  
LC2200  
LC2220  
LC2240  
LC2260  
LC2280  
LC2300  
LC2320  
LC2360  
LC2400  
LC2440  
LC2480  
LC2520  
LC2560  
LC2600  
LC2640  
LC2720  
LC2800  
LC2880  
LC2960  
Rev.  
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
Series  
A
Area  
160  
180  
200  
220  
240  
260  
280  
300  
320  
360  
400  
440  
480  
520  
560  
600  
640  
720  
800  
880  
960  
Item 1  
Item 2  
LCB160  
LCB 180  
LCB 200  
LCB 220  
LCB 240  
LCB 260  
LCB 280  
LCB 300  
LCB 320  
LCB360  
LCB400  
LCB440  
LCB480  
LCB520  
LCB560  
LCB600  
LCB640  
LCB720  
LCB800  
LCB880  
LCB960  
LCA160  
LCA180  
LCA200  
LCA220  
LCA240  
LCA260  
LCA280  
LCA300  
LCA320  
LCA360  
LCA400  
LCA440  
LCA480  
LCA520  
LCA560  
LCA600  
LCA640  
LCA720  
LCA800  
LCA880  
LCA960  
15M099  
15M099  
15M099  
15M099  
15M100  
15M100  
15M100  
15M100  
15M100  
15M100  
15M100  
15M100  
15M100  
15M100  
15M101  
15M101  
15M101  
15M101  
15M101  
15M101  
15M101  
15K887  
15K887  
15K887  
15K887  
15K887  
15K887  
15K887  
15K887  
15K888  
15K888  
15K888  
15K888  
15K888  
15K888  
15K888  
15K888  
15K890  
15K890  
15K890  
15K890  
15K890  
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
120933  
120874  
A
A
A
A
Front and Rear Washer Reference Guide  
Tube Area Frt. Washer Back Washer  
15M089  
080 to 119  
120 to 159  
160 to 239  
240 to 319  
320 to 559  
560 to 639  
640 to 960  
NOT REQ  
NOT REQ  
15K887  
15K887  
15K888  
15K888  
15K890  
NOT REQ  
15M099  
15M100  
15M100  
15M101  
15M101  
Figure 50: Available PR70 Piston and Cylinder (Metering Tubes) Kits  
Key:  
Ref  
1
2
Description  
Cylinder or Metering Tube  
Piston  
QTY  
1
1
See  
Fig.  
Ref  
4
5
Description  
Back Washer  
Screw  
QTY  
See Fig.  
1
2
3
Front Washer  
6
Oring  
312393G  
40 of 50  
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Pistons  
2. To prevent machine movement, press  
(red).  
3. Remove the existing Piston plug (1) from the pump  
end cap (item 8 of figure 46) with a wrench.  
Remove the existing Oring (2).  
4. Lubricate the new Oring with a high temperature  
grease, Graco P/N 115982 or equivalent. Place the  
lubricated Oring into the cap location of the end cap.  
Figure 51 PR70 Piston Plug Assembly  
Key:  
5. Re-install the piston plug (1) back into the end cap.  
Ref  
1
2
P/N  
15K815  
111457  
Description  
Plug  
Oring  
QTY  
2/Machine  
2/Machine  
6. Open the tank ball valves (if installed) or put more  
material into the tanks.  
7. Instigate several shot to fill the pump with new  
material.  
To install a new Piston Plug Assembly:  
1. Drain the machine pistons by instigating several  
shots with either the tank ball valves closed (if  
installed), or by activating enough shots to empty  
the tanks.  
8. Re-calibrate the machine, due to the procedure  
performed.  
Hose Assemblies  
Figure 52 Piston to DV Hose Assemblies  
312393G  
41 of 50  
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Hose Assemblies  
Figure 53 Heated Piston to DV Hose Assemblies  
312393G  
42 of 50  
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Miscellaneous Assemblies  
Miscellaneous Mechanical Assemblies  
Figure 54: PR70 Power Entry Bracket Assembly (LC0106)  
Key:  
Ref  
1
2
3
4
5
6
7
8
P/N  
Description  
QTY  
Ref  
11  
12  
13  
14  
15  
16  
17  
18  
19  
P/N  
84/0130-26/11  
LC0034  
121178  
121179  
Description  
LABEL, PE  
HARNESS, WIRE, REMOTE SIGNAL  
VALVE, LOCKOUT, ¼ NPT  
QUIKCLAMP, ¼ NPT  
QTY  
119912  
121018  
120876  
120882  
120883  
120910  
120916  
120993  
15K798  
15K800  
SCREW, PAN, M3X6, PHILLIPS, SS  
ELBOW, SWVL, 3/8 X ¼ NPT, FXM, 90DE  
PWR SUPPLY, 24VDC, 40W, 100-240VAC IN  
FILTER, 1/4NPT  
3
1
1
1
1
1
2
2
1
1
1
1
1
2
1
1
2
2
1
NUT, HEX, 7/8-14, MS  
121180  
MULTIPORT, [3] ¼ NPT  
PWR ENTRY, 120/240VAC, DUAL FUSE, EMI  
SCREW,FHSC, M3X0.5 X 10, SS  
NUT, HEX, M5X0.8, WITH STAR WASHER  
BRACKET, SWITCH, AIR  
94/0762/99  
94/0430/99  
81/1054-4/11  
LC0031  
VALVE, RELIEF, ¼ NPT, M, 110PSI, SIL  
PLUG, SKT HD, ¼ NPT, MS  
FUSE 5X20MM, 4AMP, FAST, TYPE F, 250VAC  
CABLE ASSY, POWER IN  
9
10  
FITTING, BULKHEAD  
To Replace the Fuses:  
2. Replace the blown fuse(s) (18) into the fuse holder.  
3. Re-install the holder into the PWR Entry Module.  
1. Remove the machine fuse holder from the PWR  
Entry module (6) by inserting a flat-head  
screwdriver between the holder and the back the  
PWR Entry module (The fuse holder is above  
where AC power is connected to the machine).  
312393G  
43 of 50  
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Miscellaneous Assemblies  
Figure 55: PR70 Control Bracket Assembly (LC0108)  
Key:  
Ref P/N  
Description  
QTY  
Ref  
6
7
8
9
P/N  
121019  
LC0124  
15K797  
84/0130-25/11  
LC0035  
Description  
ELBOW, SWVL, 3/8 X 3/8 NPT, FXM, 90DE  
CONTROLLER, FCM  
BRACKET, ELECTRICAL,  
LABEL,.375X.375  
HARNESS, WIRE, I/O  
QTY  
1
2
3
4
5
84/0153-1/89 CLAMP, HARNESS, REUSEABLE, 5/8,NYL  
2
2
1
1
5
1
1
1
1
1
120885  
120897  
120954  
120993  
SCREW, SHC, M5-0.8 X 14, MS, E  
REGULATOR, 100PSI, 3/8NPT, GAGE  
MANIFOLD, PN, 3/8NPTX3/8T X ¼ TX1/4T  
NUT, HEX, M5X0.8, WITH STAR WASHER  
10  
Figure 56: PR70 Shroud Assembly (LC0113)  
Key:  
Ref  
1
2
P/N  
Description  
SHIELD, PR70, FIXED RATIO, GCA  
LABEL, WARNING  
QTY  
15V962  
15M511  
16P016  
1
4
1
3
PR70, FIXED RATIO  
312393G  
44 of 50  
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Miscellaneous Assemblies  
Figure 57: PR70 Hydracheck Components  
Figure 58: PR70 HMI Components  
Key:  
Ref  
1
2
P/N  
288446  
255235  
Description  
Display Module, PR70  
Bracket, HMI  
QTY  
1
1
Ref  
3
P/N  
120999  
Description  
Termination Plug  
QTY  
1
312393G  
45 of 50  
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Technical Data  
Technical Data  
Category  
Data  
Metering Pump Effective Area  
Small Air Cylinder Effective Area  
Large Air Cylinder Effective Area  
Maximum Stroke Length  
Minimum Stroke Length  
Volume per Cycle  
80 – 960 mm2 (0.124 – 1.49 in2) per side  
4560 mm2 (7.07 in2)  
10260 mm2 (15.9 in2)  
38.1 mm (1.50 in)  
5.8 mm (0.23 in)  
2 – 70 cc (0.12 – 4.3 in3)  
Pump Cycles per 1L (0.26 gal)  
Ratios (fixed)  
500 – 14.3  
1:1 to 12:1 (depending upon cylinders selected)  
Maximum Fluid Working Pressure  
Maximum Air Input Pressure  
Maximum Cycle Rate  
3000 psi (20.7 MPa, 207 bar)  
100 psi (0.7 MPa, 7 bar)  
30 cpm  
70 C (160 F), nylon pistons 50 C (120 F) UHMWPE pistons or PE Tanks  
¼ NPT (f)  
Maximum Operating Temperature  
Air Inlet Size  
Pump Fluid Outlet Size  
-03, -04, -06, -08 or –12 JIC fittings for 3/16 in (4.8 mm), ¼ in (6.4 mm), 3/8 in  
(9.5 mm), ½ in (12.7 mm), ¾ in (19.1 mm) hoses  
Wetted Parts  
Weight  
303/304, 17-4 PH, hard chrome, Chromex, carbide, Chemical Resistant  
O-rings, PTFE, nylon, UHMWPE  
55 kg (120 Lbs) typical with two 7.5L tanks  
150 kg (330 Lbs) typical with two 60 L tanks  
Sound Power Level  
4 in Air Cylinder  
100 psi/30 cpm - 81 dBA  
50 psi/15cpm – 77 dBA  
Measured Per ISO Standard 9614-2  
Compressed Air  
Electrical Power  
< 10 scfm typical (varies with cycle times)  
100-240 V 50/60Hz, 1 phase for machine – 80 Watts  
208-240V 50/60Hz, 1 phase for heat – 11 kW max.  
120 or 240 VAC 50/60Hz 1 phase for on-board agitators, 80 Watts  
240 VAC 50/60Hz 1 phase for off-board agitators, 830 Watts  
312393G  
48 of 50  
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Technical Data  
Dimensions  
Figure 36: PR70 Dimensions (ON-Board PE Tank version Illustrated)  
A typical PR70 Machine, with the standard On-Board twin 8 liter PE Tanks has the following dimensions:  
Dimension  
A (width)  
B (height)  
In. (mm)  
18.49 (469.6)  
26.39 (670.3)  
Dimension  
C (depth)  
D (height in Back)  
In. (mm)  
30.62 (777.7)  
13.39 (340.1)  
A typical PR70 Machine, with the standard On-Board 7.5 liter Stainless Steel Tanks has the following dimensions:  
Dimension  
A (width)  
B (height)  
In. (mm)  
15.5 (393.7)  
27.37 (695.2)  
Dimension  
C (depth)  
D (height in Back)  
In. (mm)  
30.62 (777.7)  
13.39 (340.1)  
312393G  
49 of 50  
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Warranty and Graco Contact Information  
Graco Ohio 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 warranty  
published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by  
Graco to be defective. This warranty applies only when the equipment is installed, operated and maintained in accordance with Graco’s written  
recommendations.  
This warranty does not cover, and Graco shall not be liable for general wear and tear, or any malfunction, damage or wear caused by faulty  
installation, misapplication, abrasion, corrosion, inadequate or improper maintenance, negligence, accident, tampering, or substitution of non-  
Graco component parts. Nor shall Graco be liable for malfunction, damage or wear caused by the incompatibility of Graco equipment with  
structures, accessories, equipment or materials not supplied by Graco, or the improper design, manufacture, installation, operation or  
maintenance of structures, accessories, equipment or materials not supplied by Graco.  
This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized Graco distributor for verification  
of the claimed defect. If the claimed defect is verified, Graco will repair or replace free of charge any defective parts. The equipment will be  
returned to the original purchaser transportation prepaid. If inspection of the equipment does not disclose any defect in material or workmanship,  
repairs will be made at a reasonable charge, which charges may include the costs of parts, labor, and transportation.  
THIS WARRANTY IS EXCLUSIVE, AND IS IN LIEU OF ANY OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT  
LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE.  
Graco’s sole obligation and buyer’s sole remedy for any breach of warranty shall be as set forth above. The buyer agrees that no other remedy  
(including, but not limited to, incidental or consequential damages for lost profits, lost sales, injury to person or property, or any other incidental  
or consequential loss) shall be available. Any action for breach of warranty must be brought within two (2) years of the date of sale.  
GRACO MAKES NO WARRANTY, AND DISCLAIMS ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A  
PARTICULAR PURPOSE, IN CONNECTION WITH ACCESSORIES, EQUIPMENT, MATERIALS OR COMPONENTS SOLD BUT NOT  
MANUFACTURED BY GRACO. These items sold, but not manufactured by Graco (such as electric motors, switches, hose, etc.), are subject to  
the warranty, if any, of their manufacturer. Graco will provide purchaser with reasonable assistance in making any claim for breach of these  
warranties.  
In no event will Graco be liable for indirect, incidental, special or consequential damages resulting from Graco supplying equipment hereunder,  
or the furnishing, performance, or use of any products or other goods sold hereto, whether due to a breach of contract, breach of warranty, the  
negligence of Graco, or otherwise.  
FOR GRACO CANADA CUSTOMERS  
The Parties acknowledge that they have required that the present document, as well as all documents, notices and legal proceedings entered  
into, given or instituted pursuant hereto or relating directly or indirectly hereto, be drawn up in English. Les parties reconnaissent avoir convenu  
que la rédaction du présente document sera en Anglais, ainsi que tous documents, avis et procédures judiciaires exécutés, donnés ou intentés,  
à la suite de ou en rapport, directement ou indirectement, avec les procédures concernées.  
Graco Information  
For the latest information about Graco products, visit www.graco.com.  
TO PLACE AN ORDER, contact your Graco distributor or call to identify the nearest distributor.  
Toll Free: 1-800-746-1334 or Fax: 330-966-3006  
All written and visual data contained in this document reflects the latest product information available at the time of publication.  
Graco reserves the right to make changes at any time without notice.  
For patent information, see www.graco.com/patents.  
Original instructions. This manual contains English. MM 312393  
Graco Headquarters: Minneapolis  
International Offices: Belgium, China, Japan, Korea  
GRACO INC. AND SUBSIDIARIES • P.O. BOX 1441 • MINNEAPOLIS MN 55440-1441 • USA  
Copyright 2007, Graco Inc. All Graco manufacturing locations are registered to ISO 9001.  
www.graco.com  
Revised November 2013  
312393G  
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