AIRPORTS AUTHORITY OF INDIA

______AIRPORT

MAINTENANCE SCHEDULE – DAILY (GENERAL)

------STATION : REGION : TIME :

EQUIPMENT: DVORMAKE: SELEXMODEL: 1150(NEW)

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SNo / PARAMETER / STATUS / OBSERVED STATUS /DATE
1 / GENERAL
1.1 / Eqpt. Shelter cleanliness / Dust Free
1.2 / Surrounding Cleanliness / Grass free
1.3 / Status of the Air conditioners / Serviceable & in Operation
1.4 / Eqpt. Shelter Temperature / 22±2°C
1.5 / Mains Power Supply & Frequency / 220V±10%
50Hz±10%
1.6 / UPS O/P Voltage / 220±10V
1.7 / Equipment Operation on UPS / Minimum 5 minutes
1.8 / Status of DVOR Critical Area / Satisfactory
1.9 / Status of Monitor / Balanced
1.10 / Status of Obstruction Lights / OK/ Not OK
1.11 / Status of remote Indications at Eqpt. Room / OK/ Not OK
1.12 / Status of Remote Indications at ATC / OK/ Not OK
1.13 / Status of Inter Unit Communica-tion / OK/ Not OK
SNo / PARAMETER / NORMAL STATUS / OBSERVED STATUS /DATE
1.14 / Change of Channels / OK/ Not OK
1.15 / Listen for Identification / OK/ Not OK
1.16 / Listen for any Unusual Noise / No Unusual Noise
1.17 / Eqpt. / Shelter illumination / Satisfactory
1.18 / Status of Lightening Arrester / OK/ Not OK
1.19 / Signature of Executive
REMARKS :

(Signature of Unit-in-Charge)

Name:

Design:

SNo / PARAMETER / STATUS
& TOLERANCE / OBSERVED STATUS /DATE
1 / USING PMDT : TX -I
1.1 / Azimuth Angle / 315.00 ±1° / M1
M2
1.2 / 30Hz Modulation / 30±2 % / M1
M2
1.3 / 9960Hz Modulation / 30±2 % / M1
M2
1.4 / 9960Hz Deviation / 16±1 / M1
M2
1.5 / Field Intensity / 0±3 dB / M1
M2
1.6 / Ident Modulation / ≤20% / M1
M2
2 / USING PMDT : TX –II
2.1 / Azimuth Angle / 315.00 ±1° / M1
M2
2.2 / 30Hz Modulation / 30±2 % / M1
M2
2.3 / 9960Hz Modulation / 30±2 % / M1
M2
2.4 / 9960Hz Deviation / 16±1 / M1
M2
2.5 / Field Intensity / 0±3 dB / M1
M2
2.6 / Ident Modulation / ≤20% / M1
M2
SNo / PARAMETER / STATUS & TOLERANCE / OBSERVED STATUS /DATE
3 / POWER SUPPLY (USING PMDT):
3.1 / +5V / 5±0.25V / Tx-I
Tx-II
3.2 / +12V / 12±0.5V / Tx-I
Tx-II
3.3 / -12V / -12V ±0.5V / Tx-I
Tx-II
3.4 / +28V / 28V±1V / Tx-I
Tx-II
3.5 / +48V / 42V – 48.1V / Tx-I
Tx-II
4 / Signature of Executive
REMARKS :

(Signature of Unit-in-Charge)

Name:

Design:

This maintenance schedule has been prepared as per the Manufacturer’s Technical Manual and ICAO Doc 8071 Guidelines and approved by Directorate of CNS-OM

December 2012 Page 1 of 4