Belfort AWOS, Maintenance Manual

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BELFORT
INSTRUMENT
Proprietary Information
Table of Contents
Maintenance Manual
Paragraph
Description Page
1.0 Introduction ....................................................................................................... 1
1.1 Purpose .............................................................................................................. 1
1.2 Scope ................................................................................................................. 1
1.3 Level of Maintenance ....................................................................................... 1
1.4 Periodic Maintenance........................................................................................ 1
1.5 Warranty ........................................................................................................... 1
1.6 Warranty Support .............................................................................................. 2
2.0 Applicable Documents & List of Acronyms .................................................... 3
2.1 Applicable Documents ...................................................................................... 3
2.2 List of Acronyms .............................................................................................. 3
3.0 Maintenance Program Overview ...................................................................... 5
4.0 Qualification Requirements for Maintenance Personnel .................................. 5
5.0 Preventative Maintenance and Calibration Procedures .................................... 6
5.1 DATU –Data Acquisition Terminal Unit Maintenance .................................... 7
5.1.1 DATU Tri-Annual Maintenance ....................................................................... 7
5.1.2 DATU Annual Maintenance ............................................................................. 9
5.2 DCP Annual Barometric Pressure Sensor Maintenance & Calibration ........... 11
5.3 Temperature, Humidity and Dew Point – Annual Maintenance & Verification
Procedures .........................................................................................................
17
5.4 6000 Visibility Sensor – Tri-Annual Maintenance Verification and Calibration
Procedure ..........................................................................................................
18
5.5 Wind Speed Sensor Annual Verification Procedure ......................................... 22
5.6 Wind Direction Sensor Annual Maintenance Verification ............................... 23
5.7 Lightning Protection System, Battery & Tower Tri-Annual Maintenance ....... 26
5.8 The UHF Transceiver Annual Maintenance ..................................................... 27
5.9 The VHF Unicom Radio Annual Maintenance ................................................ 27
5.10 Belfort AWOS System Component Failure ...................................................... 28
6.0 Troubleshooting the System ............................................................................. 29
6.1 System Built–In Diagnostics and Troubleshooting ......................................... 29
6.2 Interpreting Diagnostic Messages .................................................................... 31
6.2.1 System Status Indicators ................................................................................... 31
6.2.2 Interpreting Sensor Status And Data Quality Indicators .................................. 34
7.0 Tools and Test Equipment Required ................................................................. 41
8.0 Key System Performance Parameters and Expected Sensor Outputs ............... 42
9.0 Maintenance Data Recording and Forms .......................................................... 42
9.1 Belfort AWOS Comprehensive Facility Performance Adjustment Data Form 42
9.2 Belfort AWOS Technical Performance Record ................................................ 42
9.3 FAA Form 6030-1............................................................................................. 42
10.0 Component Removal and Replacement Procedures ......................................... 43
10.1 DCP Removal Procedures................................................................................. 43
10.2 Temperature, Humidity/Dew Point Sensor Removal Procedures ..................... 45