3
7.3.1 Discharging ballast water ............................................................................. 65
7.3.2 Shutdown of discharging operations ............................................................ 67
7.4 Miscellaneous .......................................................................................... 68
7.4.1 Oil content reading higher than expected ..................................................... 68
7.4.2 Oil level alarm ............................................................................................... 68
7.5 Operational alarms ................................................................................... 69
7.6 System failures ......................................................................................... 70
7.6.1 Auto/manual operation ................................................................................. 70
7.6.1.1 Flowmeter .............................................................................................. 71
7.6.1.2 Ship’s speed indicator ........................................................................... 71
7.6.1.3 Oilcon
®
Oil Discharge Monitoring and Control System .......................... 71
7.6.1.4 Main Control Unit (MCU) ....................................................................... 71
7.7 System overrides ..................................................................................... 72
7.7.1 Transducer override ..................................................................................... 72
7.7.2 Discharge control .......................................................................................... 72
7.7.3 Discharge control answer-back .................................................................... 73
8 MAINTENANCE ............................................................................ 74
8.1 Maintenance general ................................................................................ 74
8.2 Routine maintenance ............................................................................... 75
8.2.1 Sample pump/motor lubricator ..................................................................... 75
8.2.2 Air regulators ................................................................................................ 76
8.2.3 Cleaning the detector cell windows .............................................................. 76
8.2.4 Window wash pump ..................................................................................... 76
8.2.5 Skid shuttle valve .......................................................................................... 76
8.2.6 2-Way pneumatic valve(s) ............................................................................ 76
8.2.7 Zero output check of the differential pressure transmitter ............................ 76
8.3 Test and check-out procedure .................................................................. 77
9 REPAIR OR REPLACEMENT ....................................................... 84
9.1 Detector cell ............................................................................................. 84
9.1.1 Removing the detector cell ........................................................................... 84
9.1.2 Reinstalling the detector cell ......................................................................... 84
9.2 Window wash pump ................................................................................. 85
9.2.1 Disassembling the window wash pump ........................................................ 85
9.2.2 Air side maintenance .................................................................................... 85
9.2.3 Water side maintenance ............................................................................... 85
9.2.4 Re-assembling the window wash pump ....................................................... 85
9.3 Sample pump ........................................................................................... 86
9.3.1 Disassembling the pump/motor .................................................................... 86
9.3.2 Reassembling the pump/motor ..................................................................... 87
9.4 Differential pressure transmitter – FUJI .................................................... 88
9.4.1 Zero adjustment of DPT – FUJI .................................................................... 88
9.4.2 Span adjustment of DPT – FUJI ................................................................... 88
9.5 Differential pressure transmitter – ABB .................................................... 89
9.5.1 Zero adjustment of DPT – ABB .................................................................... 89
9.5.2 Span adjustment of DPT – ABB ................................................................... 89
10 TAKE OUT OF SERVICE .............................................................. 90
11 REMOVAL AND STORAGE OF EQUIPMENT ............................. 90
12 MALFUNCTION AND SEND FOR REPAIR .................................. 90
13 ENVIRONMENT ............................................................................ 90
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