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BELFORT
INSTRUMENT
Proprietary Information
5.2
DCP – Annual Barometric Pressure Maintenance & Calibration
SAFETY PRECAUTIONS
1. Do not perform outdoor Belfort AWOS maintenance tasks during a thunderstorm.
2. Use extreme caution when lowering the tilt-over tower whenever ice or snow has accumulated
on the tower cross arm or the sensors. The extra weight may cause the tower to fall over
rapidly.
PARTS AND TOOLS REQUIRED
1. Portable pressure standard with current NIST traceable calibration certification.
2. Notebook computer running ACBSTXCOM and RS232 cable
3. Belfort AWOS hand held display
4. Socket wrench and 13/16" socket
5. Eight (8) foot step ladder
INSTRUCTIONS
1.
At the DATU display terminal, issue a NOTAM advisory, to alert users that the Belfort
AWOS system is being serviced, prior to beginning this maintenance tasks. The NOTAM
to be issued is
"Belfort AWOS system being serviced, do not use current weather data
outputs."
Verify that this NOTAM advisory is displayed on the operator screen prior to
beginning this maintenance tasks. Instructions for issuing and deleting NOTAMs are
provided in the
"Belfort AWOS Operator Manual"
.
2.
At the tower, toggle the “ALERT MESSAGE” toggle switch located on the lower half of the
hinged tower section (refer to figure 2.a) six (6) times (See Table 1).
Belfort AWOS Alert Messages
1. Contact FBO for an important message.
2. Wind speed sensor INOP.
3. Wind direction sensor INOP.
4. Temperature and/or humidity sensor INOP.
5. Barometric pressure sensor INOP.
6. Belfort AWOS being serviced. Do not use readings.
7. Belfort AWOS not maintained. Do not use readings.
8. Private Belfort AWOS weather station. Do not use.
9. Landing area warning
0. No Alerts
Table 1
.
Belfort AWOS Alert Messages
3.
Remove tower-securing bolts and lower the tower until the DCP is at a comfortable working
height so that the portable pressure standard on an upper step of the ladder is at the same
Содержание AWOS
Страница 17: ... 14 BELFORT INSTRUMENT Proprietary Information Figure 2a Securing the Tower for Maintenance ...
Страница 49: ... 46 BELFORT INSTRUMENT Proprietary Information Figure 9 Temperature Humidity Sensor Removal ...
Страница 51: ... 48 BELFORT INSTRUMENT Proprietary Information Figure 10 Visibility Sensor Removal ...
Страница 60: ...BELFORT INSTRUMENT Proprietary Information Appendix A Belfort AWOS Maintenance Forms ...
Страница 66: ...BELFORT INSTRUMENT Proprietary Information This page intentionally left blank ...
Страница 71: ...BELFORT INSTRUMENT Proprietary Information Appendix B Belfort AWOS Tri Annual Annual 5 Year Maintenance Plan ...
Страница 74: ...BELFORT INSTRUMENT Proprietary Information Appendix C UHF Transceiver Specifications ...
Страница 76: ...BELFORT INSTRUMENT Proprietary Information Appendix D Standard Unicom Radio ICOM A110 VHF Radio Specifications ...
Страница 88: ...BELFORT INSTRUMENT Proprietary Information Appendix F DCP Site Configuration Procedure ...
Страница 93: ...BELFORT INSTRUMENT Proprietary Information Appendix G Belfort AWOS Atomic Clock Verification Procedure ...