Filter
Top Products
6
Service Manual
Third edition, June 1997
5.9 Backup Display, LCB ............................................................................. 68
5.9.1 Replacing the Backup Display ...................................................... 68
5.9.2 Description of the Service Frames ................................................ 68
5.9.3 Unit Frame ....................................................................................... 68
5.9.4 Local Display Frame ....................................................................... 69
5.9.5 Register Frame ................................................................................. 69
5.9.6 FiltDist Frame .................................................................................. 69
5.9.7 Amplitude Frame ............................................................................ 70
5.10 Transmitter Interface, LI...................................................................... 70
5.10.1 Cabling .............................................................................................. 70
5.10.2 Configuration of the Transmitter Interfaces ................................ 70
5.10.3 Power supply to the Transmitter Interface .................................. 71
5.10.4 Ground Failure Indication ............................................................. 71
5.10.5 Addressing the Transmitter Interface........................................... 71
5.10.6 The Analog/Digital/Power Board (LIA)..................................... 71
5.10.7 The Zener Barrier Board (LIZ)....................................................... 72
5.10.8 Removing a Transmitter Interface (LI) ......................................... 72
5.10.9 Replacing a LIZ or a LIA ................................................................ 72
5.10.10 Replacing a Transmitter Interface (LI).......................................... 73
5.11 Power Block........................................................................................... 73
5.11.1 Fuses in the Power Block ............................................................... 73
5.11.2 Replacing the Power Block ............................................................ 73
6 Transmitters.................................................................................... 74
6.1 Replacing an Electronic Box ................................................................ 75
6.2 Transmitter Test Cable ......................................................................... 77
6.3 Cleaning the Antenna........................................................................... 78
6.3.1 Cleaning the Parabolic Antenna ................................................... 78
6.3.2 Brush cleaning the Parabolic Antenna ......................................... 78
6.3.3 Cleaning by Hand ........................................................................... 79
6.3.4 Cleaning the Cone Antenna ........................................................... 79
6.4 Inert Gas Pressure Sensor (Option) ................................................... 80
6.4.1 Cleaning the Inert Gas Pressure Sensor ....................................... 81
6.4.2 Replacing the Inert Gas Pressure Sensor ..................................... 81
6.4.3 Zero Pressure Calibration of IG Pressure Sensor........................ 81
6.5 Dismounting of Antenna Feeder of the Parabolic Antenna ............. 82
6.5.1 Disassembly ..................................................................................... 82
6.5.2 Reassembly:...................................................................................... 82
7 Temperature Sensors (Option) ..................................................... 83
7.1 Checking a Temperature Sensor ......................................................... 83
7.2 Replacing a Faulty Temperature Sensor ............................................. 85
8 Tank Display Unit (Option)............................................................ 86
8.1 Replacing a Tank Display Unit.............................................................. 86
8.2 Checking the Tank Display Power Supply Unit .................................. 87