CL-HD Helideck Antenna Technical Instruction Manual
Page
1-1
Section 1 General Information
Issue 3.0
CL-HD HELIDECK ANTENNA
TECHNICAL INSTRUCTIONS
Section 1
GENERAL INFORMATION
1.1 INTRODUCTION
This antenna is intended primarily for use
with low-and medium-powered transmitter/
antenna tuning unit (ATU) systems in the
LF and MF bands. It is intended for
installation around the perimeter of
helicopter landing decks (helidecks) on
offshore platforms.
1.2 FACTORY SUPPORT
Nautel provides after sales factory
support. Technical assistance is available
on a 24 hour, seven days a week basis. A
factory service facility for repair of
modules/assemblies is also available.
Refer to the
Factory Support
portion of the
Warranty
pages at the front of this manual
for additional information.
1.3 PURPOSE AND SCOPE OF
MANUAL
This
Technical Instruction
manual
provides the information required to
install, operate and maintain the
equipment.
1.4 PURPOSE OF EQUIPMENT
When combined with an appropriate
transmitter system, the CL-HD antenna
provides 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 the
helideck safety net using stainless steel
band clamps or M10 hardware.
1.6 TEST EQUIPMENT AND
SPECIAL TOOLS
Table 1-1 lists the test equipment and
special tools that are required to Install
and maintain the CL-HD antenna.
Table 1-1:
Recommended Site Test Equipment
EQUIPMENT
PART/MODEL NUMBER OR
TYPE (EQUIVALENT MAY
BE USED)
APPLICATION
Socket Set
Metric (1) 11 mm to 19 mm, SAE
(1) 5/16 inch, 7/16 inch
General assembly
Combination Wrench Set
Metric 11 mm to 19 mm, SAE 5/16
inch, 7/16 inch
General assembly
Adjustable Wrench
Opens to 1.25 inches
General assembly
Screwdriver
Slot Head (medium)
General assembly
Pliers
Electricians side cutting
General assembly
Wire cutters
For
stainless steel
3/16 inch wire
rope
General assembly
Drill (power)
-
Mounting to channel or ‘I’
beam safety net supports
7/16 in (11 mm) drill bit
-
Same as above
