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CL-HD Antenna 

Technical Instruction Manual Aug.26.09

 

Safety 

Symbols

 

General definitions of safety symbols used on equipment or in manuals. 
 

DANGER – HIGH VOLTAGE 

 
Indicates dangerous voltages (in excess of 72 V), capable of causing a fatal 
electrical shock, are present on or near parts bearing this label. 
 
 

 GROUND 

(EARTH) 

 
Used with wiring terminals to indicate the terminal must be connected to 
earth ground before operating equipment. If power is supplied without 
grounding the equipment, there is a risk of receiving a severe or fatal 
electrical shock. Also used on electrical schematics to indicate a part that is 

connected to earth ground. 

 
 

GROUND (PROTECTIVE or SAFETY) 

 
Used with protective (safety) conductor terminals to indicate the terminal 
must be connected to ground before operating the equipment. If power is 
supplied without grounding the equipment, there is a risk of receiving a 
severe or fatal electrical shock. 

 
 

ELECTROSTATIC SENSITIVE 

 
Indicates a part or assembly is or contains devices that are electrostatic 
sensitive. To prevent damage to these devices, ensure the handling 
procedures outlined in this manual are observed. 
 

 

WARNING 

WARNING

 denotes a hazard. It identifies an operating procedure, 

condition, etc. which, if not strictly observed or adhered to, could result in 
injury or death to personnel. Throughout the technical manual, a 

WARNING

 shall immediately precede the text to which it applies. 

 
CAUTION 

CAUTION

 denotes a hazard. It identifies an operating procedure, 

condition, etc., which, if not strictly observed or adhered to, could result in 
damage to, or destruction of the equipment. Throughout the technical 
manual, a 

CAUTION

 shall immediately precede the text to which it 

applies. 

 
NOTE 

NOTE

 denotes important information pertaining to an operating 

procedure, condition, statement, etc., which is essential to highlight. A 

NOTE

 may precede or follow the text to which it applies. 

 
 

 
 

Summary of Contents for CL-HD

Page 1: ... NS Canada B3Z 3J4 T 877 6 nautel 628835 or 1 902 823 2233 F 1 902 823 3183 info nautel com U S customers please contact Nautel Inc 201 Target Industrial Circle Bangor ME 04401 T 877 6 nautel 628835 or 1 207 947 8200 F 1 207 947 3693 info nautel com e mail support nautel com www nautel com Copyright 2009 NAUTEL All rights reserved ...

Page 2: ......

Page 3: ...placement parts and repair which are provided under items 2 or 3 shall be guaranteed for a period of ninety days from date of shipment or until the end of the original warranty period whichever occurs later 6 Nautel will not assume responsibility for any charges incurred by other than Nautel employees 7 Nautel shall have the privilege of investigating whether failures have been caused by factors b...

Page 4: ... charge to the customer When the warranty has expired a charge of 80 of the list price for all exchanged modules is made If the faulty module is returned to Nautel within 30 days a credit is issued reducing this charge by one half to 40 of the list price U S A customers are required to contact our Bangor Maine facility Canadian and overseas customers should contact our Nova Scotia Canada facility ...

Page 5: ...uipment there is a risk of receiving a severe or fatal electrical shock ELECTROSTATIC SENSITIVE Indicates a part or assembly is or contains devices that are electrostatic sensitive To prevent damage to these devices ensure the handling procedures outlined in this manual are observed WARNING A WARNING denotes a hazard It identifies an operating procedure condition etc which if not strictly observed...

Page 6: ...hich is non hazardous during normal device operation and under normal device failure conditions These devices are specifically identified in the equipment parts list s by including BeO in the part s description DO NOT cut crush or grind devices because the resulting dust may be HAZARDOUS IF INHALED Unserviceable devices should be disposed of as harmful waste ...

Page 7: ... PARTS LIST 3 1 INTRODUCTION 3 1 3 1 1 Item Number 3 1 3 1 2 Nautel Number 3 1 3 1 3 Description 3 1 3 1 4 Quantity 3 1 List of Tables 1 1 Recommended Site Test Equipment 1 2 3 1 CL HD Helideck Antenna Mechanical Parts List 3 2 List of Figures 2 1a Typical Helideck Antenna Installation ATU at end of field 2 4 2 1b Typical Helideck Antenna Installation ATU at center of field 2 5 2 2 Helideck Antenn...

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Page 9: ...CL HD Antenna Technical Instruction Manual Aug 26 09 Release Control Record Issue Date Reason 3 0 26 August 2009 Release 3 of equipment ...

Page 10: ......

Page 11: ...ides reliable facilities for an NDB reference station It is ideally suited for the harsh environment of offshore oil production platforms 1 5 MECHANICAL DESCRIPTION The CL HD antenna is composed of 3 16 diameter stainless steel wire rope up to a maximum of 300 ft 92 m long suspended on insulators which are mounted to supports around the helideck The supports are mounted to the securing posts of th...

Page 12: ...eral information 1 7 TECHNICAL SPECIFICATIONS ELECTRICAL Frequency Range LF and MF bands Input RF Power Rating up to 125 W 500 W PEP Capacitance 400 600 pF approx Radiation Pattern Omni directional MECHANICAL Radiator Material Galvanized steel Environmental Limits 50 C to 55 C ...

Page 13: ...n determining where to install the antenna supports Antenna support poles are to be secured to the top side of the helideck safety net support posts The antenna can be mounted without one or both start end support pipes if there is an adjacent structure suitable to fasten the Insulator item 11 to horizontally Two additional End Bond Leads item 10 which have lugs crimped on one end have been includ...

Page 14: ... mounting holes 4 per with a 7 16 11 mm drill bit Bolt all the Antenna Support Brackets item 3 in place including those used as the template using the M10 x 40 mm long bolts 4 per plain washers 8 per and torque nuts 4 per items 18 19 22 Orient as shown in Figure 2 2 Proceed to step f e Pipe Style Support Remove the V brackets and screws from the Optional Band Clamp Kit item 26 Attach the V bracket...

Page 15: ... secure as in Figure 2 4 Terminate the free end of the guy wire to a solid bulkhead or structural member Pull the guy wire taut such that support pipe is vertical and secure with two 2 wire rope clips item 14 Pull the antenna wire tight o Determine where the down lead connects to the antenna wire and attach the Down lead item 9 to the antenna wire as shown in Figure 2 7 NOTE The other unterminated...

Page 16: ...Page 2 4 CL HD Antenna Technical Instruction Manual Issue 3 0 Section 2 Preparation for Use and Installation Figure 2 1a Typical Helideck Antenna Installation ATU at end of field ...

Page 17: ...CL HD Antenna Technical Instruction Manual Page 2 5 Section 2 Preparation for Use and Installation Issue 3 0 Figure 2 1b Typical Helideck Antenna Installation ATU at centre of field ...

Page 18: ...Page 2 6 CL HD Antenna Technical Instruction Manual Issue 3 0 Section 2 Preparation for Use and Installation Figure 2 2 Helideck Antenna Support and Bracket Mounting Method ...

Page 19: ...CL HD Antenna Technical Instruction Manual Page 2 7 Section 2 Preparation for Use and Installation Issue 3 0 Figure 2 3 Antenna Support Pipe Configurations ...

Page 20: ...Page 2 8 CL HD Antenna Technical Instruction Manual Issue 3 0 Section 2 Preparation for Use and Installation Figure 2 4 Antenna Support Pipe Mounting ...

Page 21: ...CL HD Antenna Technical Instruction Manual Page 2 9 Section 2 Preparation for Use and Installation Issue 3 0 Figure 2 5 Start End Insulator Mounted to Antenna Wire ...

Page 22: ...Page 2 10 CL HD Antenna Technical Instruction Manual Issue 3 0 Section 2 Preparation for Use and Installation Figure 2 6 Insulator Mounted to Antenna Support Pipe ...

Page 23: ...CL HD Antenna Technical Instruction Manual Page 2 11 Section 2 Preparation for Use and Installation Issue 3 0 Figure 2 7 Downlead Connections ...

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Page 25: ...crates 3 1 2 Nautel Number This column contains a Nautel reference number which has been assigned to each unique part number Its primary purpose is for identification when spare or replacement parts are required 3 1 3 Description Each part is described in accordance with its function The installation text refers to the parts by description and item number 3 1 4 Quantity The quantity column which i...

Page 26: ... Support Pipe 2 1 8 199 9225 Corner Bracket 4 2 9 199 9218 01 Downlead 1 0 10 199 9218 02 End Bonding Lead 2 0 11 HAB67 Insulator 2 1 12 199 9218 04 Guy Wire 2 0 13 HPS27 Wire Rope Thimble 3 16 6 0 14 HPS11 Wire Rope Clip 3 16 14 0 15 Not Used 16 Not Used 17 HMBH44 Bolt Hex M10 X 1 50 X 75mm long 14 7 18 HMW07 Plain Washer M10 44 22 19 HMN14 Torque Nut M10 22 11 20 HPSA53 Hose Clamp 1 1 16 to 2 2 ...

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