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3M CablePipeFault Locator 25502573 Series User Manual

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3M™ Dynatel™  
Cable/Pipe/Fault Locator 
2550/2573 Series
Operator’s Manual
2550 Pipe/Cable Locator  
2550-iD Pipe/Cable and Marker Locator  
2573 Cable/Pipe/Fault Locator  
2573-iD Cable/Pipe/Fault and Marker Locator
May 2015
78-9000-0192-2 Rev D
3 

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 2 78-9000-0192-2 Rev D
Contents
1. Safety Information ........................................................................\
...................................6
2. About This  Manual ........................................................................\
...................................7
3. Quick Start  ........................................................................\
...............................................8
A. Transmitter Battery Installation...

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78-9000-0192-2 Rev D 3
12. Locating Buried Sheath Faults And Earth Return Faults   ............................................40
A. Transmitter Setup ........................................................................\
..........................40
B. Pinpointing the Buried Fault  ........................................................................\
.........41
13. Locating 3M
™ Electronic Markers and 3M™ iD Markers ............................................43
A. Enabling/Disabling Marker and...

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 4 78-9000-0192-2 Rev D
Congratulations! You have just purchased one of the finest, most advanced locating 
devices available today!
The 3M
™ Dynatel™ Pipe/Cable Locators 2550 Series and 3M™ Dynatel™ Cable/Pipe/
Fault Locators 2573 Series are designed with all of the functionality of previous 
Dynatel models plus the availability of 6 active locating frequencies and trace view 
locating mode, while the iD versions have the enhanced capability to read and write 
user information into the 3M iD markers....

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78-9000-0192-2 Rev D 5
1. Safety Information
Please read, understand and follow all safety information contained in these instructions 
prior to the use of the 3M™ Dynatel™ Pipe/Cable Locators 2500 Series. Retain these 
instructions for future reference.
Intended Use
The 3M Dynatel Cable/Pipe/Fault 2550/2573 Series Locators are used to identify the 
placement of underground utility lines. The system must be installed as specified in the 
3M
™ Dynatel™ Cable/Pipe/Fault Locator 2550/2573 Series...

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 6 78-9000-0192-2 Rev D
! WARNING
This WARNING applies to the use of the Direct Connect Cables and the Transmitter.
To avoid potential shock, or electrically damaging the Transmitter, when setting up the 
Transmitter to locate using the Direct Connect method, follow these basic steps;
•    ALWAYS plug the Direct Connect Cable into the Transmitter Output Jack [T-6] BEFORE 
connecting the leads to the cable/pipe to be located and the ground rod.
  – Connect the red lead to the cable/pipe. 
  – Connect the...

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78-9000-0192-2 Rev D 7
3. Quick Start
A.  Transmitter Battery Installation
Loosen the six screws on the battery compartment cover on the bottom of the transmitter. 
Remove the cover.
Install six ‘C’ size alkaline cell batteries (LR14) into the compartment as indicated by 
the polarity symbols (+ and –).
Replace the cover and tighten the screws.
Press and hold off [T-1] to manually test the batteries. The display and audio will 
indicate one of the following levels: (OK w/solid tone = good; LO w/beeping...

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 8 78-9000-0192-2 Rev D
B. Receiver Battery Installation
Remove cap from receiver handle.
Install eight ‘AA’ size alkaline batteries (LR6) into the battery holder as indicated by the 
polarity symbols (+ and –).
Attach battery holder to the PP3 connector in the receiver handle, and slide holder into 
the handle. Replace the cap.
8 “AA” (LR6) 
Alkaline Batteries
1.    Twist cap to open battery 
compartment.
2.   Slide battery compartment 
out of handle.
! CAUTION
To reduce the risks associated with fire...

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78-9000-0192-2 Rev D 9
C. Cleaning Receiver and Transmitter Units
To clean the receiver and transmitter units, wipe with a damp cloth.
D.  Service and Accessories
Information regarding service, accessories, or replacement parts can be obtained by 
contacting 3M at 1-800-426-8688.
This equipment does not require annual calibration or maintenance.
E. 3M™ Dynatel™ Transmitter 2550 Keypad and Connector Definitions
  off
+
-o
 
Frequency
onon  Output Level
DynatelTM255 0
T- 1 T- 2T- 3 T- 4 T- 5 T- 6T- 7
[T-1]...

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 10 78-9000-0192-2 Rev D
F.  3M™ Dynatel™ Transmitter 2573 Keypad and Connector Definitions
  off
+
-o
 
Trace
onon Output Level
DynatelTM257 3
T- 1 T- 2T- 3 T- 4 T- 5 T- 6T- 7
[T-1] off: Turns unit off and performs battery test.
[T-2] on: Ohm-meter/Fault Locate/Tone: Turns the unit on and cycles through the 
following commands when pressed repeatedly.
 Ohm-meter:  Measures the continuity of the trace conductor/pipe and its far-end 
ground. It is also used to measure the fault resistance to earth....
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