Contents
Chapter 1 Maintenance ..................................................................................................................1
1.1 Precautions for meter maintenance .............................................................................................1
1.2 Field hydrostatic pressure testing procedures ..............................................................................2
1.2.1 T-Slot Transducer assembly and mount .........................................................................3
1.3 Routine maintenance .................................................................................................................. 4
1.3.1 Maintenance logs and reports ....................................................................................... 4
1.3.2 Pipeline cleaning maintenance ......................................................................................8
1.3.3 Visual inspection ........................................................................................................... 8
Chapter 2 Troubleshooting .......................................................................................................... 11
2.1 Meter status alarms ................................................................................................................... 11
2.1.1 Check status ................................................................................................................12
2.1.2 System alarm .............................................................................................................. 13
2.1.3 Chord A, Chord B, Chord C and Chord D alarm ............................................................ 13
2.1.4 Field I/O alarm .............................................................................................................13
2.1.5 Validity alarm .............................................................................................................. 14
2.1.6 Comms alarm ..............................................................................................................14
2.1.7 Communications .........................................................................................................14
2.2 Troubleshooting the meter ........................................................................................................14
2.2.1 Meter maintenance .....................................................................................................26
2.2.2 Unable to connect direct serial or external serial modem ............................................ 35
2.2.3 Unable to connect to meter ........................................................................................ 36
2.2.4 Ethernet connections .................................................................................................. 36
2.2.5 Direct serial connections ............................................................................................. 36
2.3 Troubleshoot maintenance log files and trend files .................................................................... 36
2.3.1 Files do not appear in workbook ..................................................................................36
2.3.2 Microsoft
®
Excel
®
Log/Export options are not available ............................................... 37
2.3.3 Maintenance logs or trend files are not created ...........................................................37
Chapter 3 Meter repairs ............................................................................................................... 41
3.1 Prior Precautions ........................................................................................................................41
3.2 Field hydrostatic pressure testing procedures ............................................................................43
3.2.1 T-Slot Transducer assembly and mount .......................................................................44
3.3 T-Slot transducer removal and installation procedures .............................................................. 45
3.3.1 Transducer removal with extractor tool .......................................................................46
3.3.2 Transducer removal without extractor tool ................................................................. 48
3.3.3 Transducers installation procedure ............................................................................. 51
3.3.4 Replace transformers procedure ................................................................................. 53
3.3.5 Modifying the calibration parameters ......................................................................... 54
3.4 Transducer holder removal and installation ............................................................................... 56
3.4.1 Remove the transducer holder with the extractor tool ................................................ 57
3.4.2 Remove the transducer holder without the extractor tool ........................................... 57
3.4.3 Install the transducer holder with the extractor tool ....................................................59
3.4.4 Install the transducer holder without the extractor tool ...............................................59
3.5 Transducer cable removal and installation ................................................................................. 62
3.5.1 Remove transducer cables .......................................................................................... 63
3.5.2 Install transducer cables ..............................................................................................64
Contents
Maintenance and Troubleshooting manual i