Graco SONAR 244075 User Manual

Instructions  
In-Line Electronic  
Lubricant Meter  
307965Y  
EN  
For use with petroleum-based lubricants only. For professional use only.  
Model 244075  
Measures in gallons, quarts and pints*  
*Meter is factory set in quarts.  
Model 244076  
Measures in liters  
1500 psi (10.3 MPa, 103 bar) Maximum Working  
Pressure  
Important Safety Instructions  
Read all warnings and instructions in this  
manual. Save these instructions.  
 
Installation  
Installation  
These meters must be installed in-line as part of a dispense system as shown in Fig. The typical installation shown is  
only a guide for selecting and installing an in-line meter. It is not an actual system design. Contact your Graco repre-  
sentative for assistance in designing a system to suit your needs.  
A
B
C
D
E
F
KEY  
A
B
C
D
E
F
In-line meter  
In-line strainer  
Shutoff valve  
Pressure relief valve  
Check valve  
Bleed–off valve  
FIG. 1  
Key:  
A
B
C
D
E
F
In-line meter  
In-line strainer  
Shutoff valve  
Pressure relief valve  
Check valve  
Bleed-off valve  
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3
 
Operation  
Operation  
To Activate the Digital Display  
Press the RESET key pad to clear the meter before  
starting a new dispense cycle. This is the best way to  
activate the meter, because it also clears the quantity of  
the last dispense cycle.  
GAL  
Example of Accumulated Total  
FIG. 4  
The digital display can also be activated by pressing the  
TOTAL key pad or by running fluid through the meter.  
Function of RESET  
Press the RESET key pad to clear the quantity of the  
last dispense cycle and return the digital display to all  
GRACO  
To Change the Measurement  
Units  
GAL  
(Gallon/Quart/Pint meter only)  
TOTAL  
RESET  
The meter is factory set to dispense in quarts. To  
change the measurement units, press and hold the  
RESET key pad until the measurement unit on the right  
side of the digital display is flashing. Then press the  
TOTAL key pad until the desired measurement u nit is  
shown. Release both key pads. (FIG. 5)  
Press RESET to  
clear  
FIG. 2  
NOTE: The digital display of the meter goes blank after  
approximately two minutes of non-use.  
PTS  
QTS  
Function of TOTAL  
When the digital display is blank, press and release the  
TOTAL key pad to display the quantity of the last dis-  
pense cycle. (FIG. 3)  
GAL  
Example of measurement units  
QTS  
FIG. 5  
Example of Total for Last Dispense Cycle  
FIG. 3  
To see the accumulated total of fluid dispensed through  
the meter, press and hold the TOTAL key pad. The  
accumulated total is shown in gallons for the gal-  
lon/quart/pint meter, and in liters for the liter meter. The  
meter can accumulate a running total of up to 19,999  
gallons (or liters) dispensed before returning to zero.  
4
307965Y  
 
       
Operation  
To Verify the Accuracy of an  
Electronic Meter  
1. Use a clean, calibrated container. If using a single  
container, be sure to clean it after each dispense.  
2. Have pump air pressure at the lowest possible set-  
ting for dispensing fluid.  
3. Put the tip of the nozzle at the bottom of the cali-  
brated container.  
4. If the tip of the dispense valve does not reach the  
bottom of the calibrated container, use a length of  
plastic tubing over the tip of the nozzle to ensure liq-  
uid enters the container from the bottom.  
5. Trigger the gun slowly so the fluid immediately cov-  
ers the tip of the dispense valve.  
6. Allow product to sit for 20 minutes, then compare  
the actual, physical measurement in the calibrated  
container to the measure displayed on the meter.  
NOTE: The procedure above will determine if the meter  
is accurately dispensing the product and minimize test-  
ing errors. Some variance may occur depending on the  
viscosity of the fluid. If this procedure determines that  
the meter is not accurate replace the meter or the elec-  
tronics as necessary.  
For Maximum Dispensing  
Accuracy  
(gallon/quart/pint meter only)  
Set the meter to dispense in pints or quarts when dis-  
pensing 1 gallon or less.  
Always press the RESET key pad to clear the meter  
before a new dispense cycle.  
307965Y  
5
 
Troubleshooting  
Troubleshooting  
NOTE: Before you check or repair the meter, be sure all  
other valves, controls, and the pump are operating prop-  
erly.  
Pressure Relief Procedure  
Follow the Pressure Relief Procedure whenever  
you see this symbol.  
This equipment stays pressurized until pressure is  
manually relieved. To help prevent serious injury  
from pressurized fluid, such as skin injection,  
splashing fluid and moving parts, follow the Pressure  
Relief Procedure when you stop spraying and before  
cleaning, checking, or servicing the equipment.  
1. Turn off the power supply to the pump.  
2. Trigger the valve into a waste container to relieve  
pressure.  
3. Open any bleed-type master air valves and fluid  
drain valves in the system.  
4. Leave the drain valve open until you have com-  
pleted repairs and are ready to pressurize the sys-  
tem.  
Problem  
Cause  
Solution  
Digital display does not activate.  
Electronic control is malfunctioning. Replace the electronic control.  
For gallons/quarts/pins:  
Order Part No. 235878  
For Liters: Order Part No. 235901  
There is no fluid flow.  
Digital display is dim.  
Strainer, if used is clogged.  
Remove and clean strainer.  
Battery in electronic control is worn  
out.  
Replace electronic control within  
approximately one week of when  
you notice dimness.  
See part numbers above.  
6
307965Y  
 
 
Repair  
Repair  
and discard the screws (6). Lift off the electronic  
control (3). Remove and discard the large o-ring (4).  
4. Install a new electronic control (3). Install the large  
o-ring (4) over the lip on the top of the metering unit  
(2). Align the notch on the side of the electronic con-  
trol (3) with the notch on the side of the metering  
unit (2). Install new screws (6). Tighten the screws  
(6) to 3 in-lbs to 5 in-lbs (0.34 N.m to 0.57 N.m)  
oppositely and evenly until a complete seal is  
obtained as shown in the DETAIL in FIG. 6.  
1. Relieve the pressure. See Pressure Relief Proce-  
dure, page 6.  
2. Attach the disposable grounding wrist strap to your  
wrist. Connect the adhesive-backed copper foil at  
the other end to any convenient electrical ground,  
such as the grounding screw or metal case of a  
grounded electrical outlet.  
5. Install the cover so the rolled-in edges are parallel  
with the inlet fluid passage of the metering unit.  
3. Lift the bottom edge of the black cover (1) away  
from the meter (2), and pull the cover off. Remove  
DETAIL  
1
6
6
3
4
4
2
FIG. 6  
307965Y  
7
 
 
Parts  
Parts  
1
6
3
4
2
*Replacement screws and o-rings included with item 3.  
Model 224075, Gallon/Quart/Pint  
Qty  
.
Ref. Part  
Description  
1
2
3*  
4
6
191782 COVER  
METERING UNIT, gallon/quart/pint  
235878 ELECTRONIC CONTROL  
109137 O-RING  
112093 SCREW  
1
1
1
1
6
Model 244076, Liter  
Qty  
.
Ref. Part  
Description  
1
2
3*  
4
6
191782 COVER  
1
1
1
1
6
METERING UNIT, liter  
235901 ELECTRONIC CONTROL  
109137 O-RING  
112093 SCREW  
8
307965Y  
 
Accessories  
Accessories  
Strainer 223179  
Shutoff Valve 108458  
Install between the shutoff valve and the meter.  
Removes particles from the lubricant. 40 mesh. 1/2 in.  
npt (m x f)  
Install upstream from the meter. Shuts off fluid supply  
from the pump. 1/2-14 npt(f) both ends.  
Technical Data  
In-Line Electronic Lubricant Meter  
US  
Metric  
10.3 MPa, 103 bar  
0.456 to 45.6 lpm  
0.95 kg  
Maximum fluid working pressure  
Flow Range*  
1500 psi  
0.12 to 12 gpm  
1.9 lb  
Weight  
Units of measurement  
Factory-set in quarts. Display shows quantity in 0.01 incre-  
ments up to 199.99 gallons, quarts, pints, or liters. Totalizes  
in gallons or liters up to 19,999 units.  
Inlet and outlet  
1/2 npt, non-directional flow  
Operating temperature range  
Storage temperature range  
Battery Specifications  
Rated discharge current  
Rated capacity  
-4°F to 130°F  
-40°F to 140°F  
-2°C to 55°C  
-40°C to 60°C  
100 microamps  
1.0 amp hour  
1.0 milliamp  
Maximum continuous discharge current  
Wetted Parts  
Aluminum, carbon steel, nitrile rubber, nickel, bronze, stain-  
less steel #304, cast ALNICO 8  
307965Y  
9
 
Graco Electronic Dispense Valve Warranty and  
Disclaimers  
Graco warrants all equipment manufactured by it and bearing its name to be free from defects in material and workmanship on the date of sale to  
the original purchaser for use. As purchaser’s sole remedy for breach of this warrant, Graco will, for a period of twelve months from the date of  
sale, repair or replace any part of the equipment proven defective, with the exception of defects in the electronic meter control, including the  
battery, which will be repaired or replaced for twenty-four months from the date of sale. This warranty applied 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, 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 with Graco equipment of 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 claim. 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.  
Disclaimers and Limitations. The terms of this warranty constitute purchaser’s sole and exclusive remedy and are in lieu of any other warranties  
(express or implied), including warranty of merchantability or warranty of fitness for a particular purpose, and of any non-contractual liabilities,  
including product liabilities, based on negligence or strict liability. Every form of liability for direct, special or consequential damages or loss is  
expressly excluded and denied. In no case shall Graco’s liability exceed the amount of the purchase price. Any action for breach of warranty must  
be brought within two (2) years of the date of sale.  
Equipment not covered by Graco Warranty. Graco makes no warranty, and disclaims all implied warranties of merchantability and fitness for a  
particular purpose, with respect to accessories, equipment, materials, or components sold but not manufactured by Graco. These items sold, but  
not manufactured by Graco (such as electric motor, 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.  
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  
TO PLACE AN ORDER, contact your Graco distributor or call to identify the nearest distributor.  
Phone: 612-623-6928 or Toll Free: 1-800-533-9655, Fax: 612-378-3590.  
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.  
Original instructions. This manual contains English. MM 307965  
Graco Headquarters: Minneapolis  
International Offices: Belgium, China, Japan, Korea  
GRACO INC. AND SUBSIDIARIES • P.O. BOX 1441 • MINNEAPOLIS MN 55440-1441 • USA  
Copyright 1988, Graco Inc. All Graco manufacturing locations are registered to ISO 9001.  
Revised December 2014  
 

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