SAC "H" Helipad Manual Download Page 21 | Manualshive

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SOUTHERN AVIONICS COMPANY

“H” Antenna

4-1

TUNE-UP

4 TUNE-UP

Tune-up of the transmitter to the helipad antenna is performed according to the procedure listed
in the transmitter manual for tune-up to an unknown antenna. The initial tap selection may be an
intermediate value between that listed for the 90 Foot Tower antenna and that of the Symmetrical
“T” antenna.

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Summary of Contents for "H" Helipad

Page 1: ...9 842 1717 Fax 409 842 2987 Email sales southernavionics com www southernavionics com MANUFACTURERS OF LOW FREQUENCY RADIOBEACONS AND ASSOCIATED PRODUCTS SOUTHERN AVIONICS COMPANY H Helipad Antenna Ma...

Page 2: ...ds allegedly do not conform with the warranty postage prepaid to COMPANY P O Box 5345 5000 Belmont Beaumont Texas 77726 Attention President a writing specifying a purchaser s name address and telephon...

Page 3: ...r Please make a RMA request before returning items to Southern Avionics Company This is the best way to communicate with us and ensure that your needs are taken care of A RMA Number may be obtained by...

Page 4: ...mont Texas 77726 5345 USA Phone 409 842 1717 Fax 409 842 2987 Email sales southernavionics com www southernavionics com MANUFACTURERS OF LOW FREQUENCY RADIOBEACONS AND ASSOCIATED PRODUCTS SOUTHERN AVI...

Page 5: ...SOUTHERN AVIONICS COMPANY Monitor Receiver 1 Contents Contents 1 Introduction 1 1 2 Planning 2 1 3 Installation 3 1 4 Tune Up 4 1 5 Preventive Maintenance 5 1 6 Parts List 6 1...

Page 6: ...VERHANGING A PLATFORM WITH AN END FED ANTENNA WIRE 2 4 Figure 2 4 OCTAGON HELIPAD WITH END FED ANTENNA WIRE 2 4 Figure 2 5 COUPLER INSTALLATION ON OFFSHORE PLATFORM GUARDRAILS 2 5 Figure 2 6 FINAL TIG...

Page 7: ...e antenna is composed of 1 8 6x7 fiber core phosphor bronze wire rope suspended on insulators approximately 7 5 feet 2 2 meters outboard from the heliport deck The support poles are attached to the he...

Page 8: ...SOUTHERN AVIONICS COMPANY H Antenna 1 2 Introduction This page intentionally left blank...

Page 9: ...by adjacent decks and structures Maintain at least 12 feet 4 meters separation between refuelling facilities and the antenna wire and transmitter antenna coupler site Avoid the extension of the anten...

Page 10: ...SOUTHERN AVIONICS COMPANY H Antenna 2 2 Planning This page intentionally left blank...

Page 11: ...SOUTHERN AVIONICS COMPANY H Antenna 2 3 Planning Figure 2 1 SQUARE HELIPAD WITH END FED ANTENNA WIRE Figure 2 2 SQUARE HELIPAD WITH CENTER FED ANTENNA WIRE...

Page 12: ...SOUTHERN AVIONICS COMPANY H Antenna 2 4 Planning Figure 2 3 HELIPAD OVERHANGING A PLATFORM WITH AN END FED ANTENNA WIRE Figure 2 4 OCTAGON HELIPAD WITH END FED ANTENNA WIRE...

Page 13: ...SOUTHERN AVIONICS COMPANY H Antenna 2 5 Planning Figure 2 5 COUPLER INSTALLATION ON OFFSHORE PLATFORM GUARDRAILS...

Page 14: ...SOUTHERN AVIONICS COMPANY H Antenna 2 6 Planning Figure 2 6 FINAL TIGHENING OF BANDS...

Page 15: ...rovided See Figure H Antenna Insulator Installation 4 Locate the coil of antenna wire and the insulators Carefully unreel approximately 10 feet of the antenna wire and retie the soft copper wire used...

Page 16: ...ged end of the last support pole 11 Add slack to the antenna wire by swinging the nearest corner pole inboard then swing the end pole inboard 12 Attach the antenna wire to the end pole insulator at th...

Page 17: ...SOUTHERN AVIONICS COMPANY H Antenna 3 3 INSTALLATION Figure 3 1 BUSHING INSTALLATION...

Page 18: ...SOUTHERN AVIONICS COMPANY H Antenna 3 4 INSTALLATION h Figure 3 2 H ANTENNA INSULATOR INSTALLATION...

Page 19: ...SOUTHERN AVIONICS COMPANY H Antenna 3 5 INSTALLATION Figure 3 3 LOWERING INSULATOR POLE ASSEMBLY Figure 3 4 INSULATOR POLE ASSEMBLY...

Page 20: ...m Guardrails 19 Bring the antenna lead from the insulator down and around to the feed through insulator on the antenna coupler Form a drip loop with the wire to prevent water from flowing onto the fee...

Page 21: ...itter to the helipad antenna is performed according to the procedure listed in the transmitter manual for tune up to an unknown antenna The initial tap selection may be an intermediate value between t...

Page 22: ...SOUTHERN AVIONICS COMPANY H Antenna 4 2 TUNE UP This page intentionally left blank...

Page 23: ...ould be cleaned by first turning off the radiobeacon and then cleaning the insulators with fresh water Polish the insulator surfaces with a good silicone based polish such as Star Brite Car Polish The...

Page 24: ...SOUTHERN AVIONICS COMPANY H Antenna 5 2 PREVENTIVE MAINTENANCE This page intentionally left blank...

Page 25: ...CTOR SPLIT BOLT 10AWG COP RC 9C011002 WIRE ROPE 1 8 6x7 FBRCORE PHOSPHOR BRZE 300 FT ROLL RC 9C463000 KEE CLP 3 4 MALE RC 9C463001 KEE CLP 3 4 FEM RC 9C463002 INSULATOR SILICONE 15K LBS 9C460006 KIT M...

Page 26: ...SOUTHERN AVIONICS COMPANY H Antenna 6 2 PARTS LIST This page intentionally left blank...

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