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56 Accessing the Daniel 3400 Series Ultrasonic Flow Meter components
Section 3: Installation Reference, Installation, and Operations Manual
June 2013 3-9000-743 Rev S
6. If your meter is equipped with a security seal, remove the seal and then, remove the
Upper Housing from the Base Unit.
7. Use a 6mm Allen wrench to remove the four bolts attaching the Base Cover to the Base
Electronics Housing.
Lift the Upper Electronics Housing from the Base Unit to access the Acquisition Board
and transducer wiring.
Figure 3-12 Mark III base unit electronics
8. Connect (or disconnect) the Acquisition cable from the Upper Electronics Housing to
the Acquisition Board in the Base Unit enclosure.
9. Use a screwdriver and remove all of the screws from the Phoenix connectors holding
the transducer wires.
10. Remove the two screws holding the Phoenix connectors to the board and remove the
connectors.
11. Remove the three screws holding the Acquisition Board to the Base Unit and replace the
Acquisition Board.
Refer to Daniel drawing DMC-002733 Notes 1- 3 for installation of the end cap retention
screws and the Mark III Upper Electronics Housing and Base Unit security seals.