2.4m Flyaway Antenna User`s Manual

2.4m Flyaway Antenna
2.4m Flyaway Antenna
User’s Manual
MAN_VS-240QD_REV002
Specifications are subject to change without notice
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•
www.vikingsatcom.com
T: 517.629.3000 • F: 517.629.2379
•
704 North Clark Street • Albion, MI
CONTENTS
1. Introduction........................................................................................................................................1
2. Preparation for Assembly .................................................................................................................1
3. Antenna Assembly ............................................................................................................................2
4. Basic Mechanical Operation of Antenna .........................................................................................26
5. Disassembly and Packing of Antenna ............................................................................................32
6. Antenna Maintenance ......................................................................................................................36
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Phone: 517-629-3000
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Warranty
Seller warrants the items ordered hereunder at the time of shipment to be free from defects in
material, workmanship, and to conform to the contract specification. Seller's liability under this
Warranty shall terminate one (1) year after date of shipment of order. Some individual products
include extended warranties as stated in brochure(s) and extended warranties may be purchased as
requested and quoted. Written notice of any defects shall be given Seller upon discovery and Seller
shall promptly correct such defects by repair or replacement, at its option, without charge, either
FCA Seller's plant or service in the field. After the warranty period stated herein has expired, some
manufacturer's and/or licensor's warranties may still be in effect, and the Purchaser shall look solely
to such manufacturer and/or licensor for warranty repair.
IN NO EVENT SHALL SELLER'S LIABILITY UNDER THIS WARRANTY EXCEED THE COST OF
REPAIR OR REPLACEMENT OF SUCH DEFECTIVE ITEM AND UNDER NO CIRCUMSTANCES
SHALL SELLER BE LIABLE FOR SPECIAL OR CONSEQUENTIAL DAMAGES.
Specifically excluded from this Warranty are:
a. Defects or nonconformance caused by and resulting from improper operation, maintenance, or
storage of the equipment.
b. Items of characteristically indeterminate life, such as bulbs, fuses, etc.
THIS WARRANTY CONSTITUTES SELLER'S SOLE AND EXCLUSIVE LIABILITY HERUNDER
AND PURCHASER'S SOLE AND EXCLUSIVE REMEDY FOR DEFECTIVE OR NONCONFORMING
ITEMS AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS IMPLIED OR STATUTORY
(INCLUDING THE WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR
PURPOSE).
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1. INTRODUCTION
This document provides instruction for the assembly, basic use, disassembly, and maintenance
of the Viking Satcom 2.4m Flyaway Antenna. This antenna is characterized by easy assembly
and disassembly while maintaining functionality and reliability.
1.1 Unpacking and Inspection of Components
Upon receipt of shipment, the antenna cases should be inspected for any damage.
NOTE: Damage due to freight or handling should be immediately reported to the freight carrier.
Following freight inspection, the cases should be unpacked and all components reviewed
against the packaging section of this manual to account for all necessary components. These
components should be inspected to ensure that all are in good condition and free from defect.
1.2 Missing and Damaged Components
Please direct all inquiries regarding missing or damaged components, not resulting from
shipment, to Viking Satcom immediately.
2. PREPARATION FOR ASSEMBLY
Prior to assembly, it is highly recommended that the user select an appropriate site and have
the required ballast or anchors available. Ballast and anchors are required to ensure proper
operation in rated winds. See table below for ballast requirements.
Wind Speed
Required Ballast (Per Footpad)**
0 - 30 mph (0 - 48 kph)
No Ballast Required*
30 Gusting to 45 mph (40 G 72 kph)
85 lbs.
70 mph (113 kph)
MUST TIE DOWN
*Viking Satcom recommends the use of ballast even in low wind environments as a precaution against
unforeseen wind conditions
**Due to varying wind approach angles, ballast is required on each footpad to ensure operational stability
The selected antenna site should meet the following criteria:
- The surface should be relatively level (within ±5°), free of obstructions, and not subject to
excessive compression due to antenna loads.
- If mounted on a roof top, the appropriate (certified) approvals must be obtained verifying that
the roof will withstand the operational loads imparted by the antenna (including wind loads).
- The antenna should have a clear line of site to the desired satellite(s).
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3. ANTENNA ASSEMBLY
The 2.4m Flyaway Antenna is specifically designed to provide quick and easy assembly,
as performed by two people, in less than 15 minutes.
NOTE: There are no tools required to complete the assembly of the antenna as all hardware and
fasteners are captive.
3.1 Parts List and Images
Item Number
Part Number
Description
Quantity Required
1
2422-0062-01
Assembly Reflector Lower Backbeam
1
2
2422-0060-01
Assembly Reflector Upper Backbeam
1
3
2422-0093-01
Assembly Feedboom
1
4
2422-0104-01
Assembly Pedestal Hub
1
5
2422-0147-01
Assembly Tension Strut
6
6
2422-0129-01
Assembly Tripod Leg
3
7
2422-0177-01
Assembly EL Jack Strut
1
8
2422-0017-01
Assembly Reflector (4 Piece 2422)
1*
*Antenna configuration dependent upon contract
Item 4
Item 8
Item 6
Item 5
Item 1
Item 3
Item 2
Item 7
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3.2 Pedestal Tripod Assembly
1. Locate the assembly pedestal hub (Item 4). See the table on Page 2.
2. Stand the assembly pedestal hub up as shown.
3. Locate the assembly tripod legs (Item 6, 3 pieces). See the table on Page 2.
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4. Install the assembly tripod legs (3 places) in position on pedestal hub as shown.
5. Insert locking pins through pedestal hub and tripod legs as shown and repeat to complete
assembly.
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6. Locate the assembly tension struts (Item 5) and install in (6) places on the tripod legs.
7. Assemble opposite ends of the assembly tension struts in (6) places onto the pedestal hub.
NOTE: Some adjustment of the tension struts will be required to properly engage with the bolt on the
pedestal hub. Prior to tightening, the top tension strut blade may not fully seat below the head of the
bolt on the pedestal hub. During tightening operations, it may be necessary to 'pop' this blade down
with your foot to ensure proper engagement.
Prior to being tightened, the pedestal hub will remain on the ground. As the tension struts are
tightened, the pedestal hub will rise until the tripod legs come in contact with the outside diameter of
the pedestal hub.
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8. After proper installation of all (6) struts, begin tightening the struts in pairs.
This tightening will raise the pedestal hub off of the ground. Ensure that the tension struts lock
onto the pedestal hub.
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9. Tighten each pair of struts connected to each tripod leg, taking care to tighten each pair of
struts partially until all (3) tripod legs come in contact with the pedestal hub. Continue to tighten
the struts by hand until the entire structure is taut.
CAUTION: Do not over-tighten the tension struts as damage can occur. The struts must only
be tightened by hand using a firm torque to remove all 'slop' in the tripod assembly. Auxiliary
tightening devices should not be employed.
10. Locate the integrated bubble level and use the footpad adjustment to level the antenna.
Bubble Level
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11. The antenna tripod assembly is complete. The assembly may now be easily relocated
at this time if a more suitable position on the selected site is available. It is recommended that
the assembly be positioned so that the rear-facing leg of the tripod is aiming away from the
desired satellite location. Re-leveling may be required if the assembly is moved.
3.3 Backbeam and Reflector Assembly/Feedboom Installation
3.3.1 Lower and Upper Backbeam and Reflector Installation
1. Locate the assembly reflector lower backbeam (Item 1). Refer to the table on Page 2.
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2. The backbeam lock-down hardware on the pedestal hub should be loosened to facilitate the
installation of the lower backbeam assembly as shown.
Lock-down Hardware
3. It is recommended to have two people install the lower backbeam assembly. Slide the lower
backbeam assembly onto the tripod assembly as shown (left). While holding the lower
backbeam assembly upright, tighten the wing-nuts as shown (right).
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4. Locate the assembly reflector upper backbeam (Item 2), referring to the table on Page 2,
and remove the rear-facing wing-nuts from the upper backbeam assembly as shown in the
images below. Verify the side-facing wing-nuts are loosened.
NOTE: Wing-nuts must be removed for proper installation of the upper backbeam. Retain these
wing-nuts for the next level assembly.
Note: The Elevation jack is removed for packaging and may be installed here or at the next level
assembly. The images above reflect an installed Elevation jack.
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5. It is recommended that two people lift the upper backbeam assembly and install it on the
lower backbeam assembly.
6. Reinstall and tighten the rear-facing upper backbeam wing-nuts, then tighten the side-facing
wing-nuts.
Tighten rear-facing hardware before
side-facing hardware
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7. Locate the Elevation jack strut assembly (Item 7). Refer to the table on Page 2.
Elevation Jack Strut Assembly
8. Attach the EL jack strut trunnion to the upper backbeam as shown below.
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9. Using the supplied pin, connect the Elevation jack strut yoke to the pedestal hub assembly.
10. The assembly should appear as shown in the image below.
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11. Rotate (using the EL jack strut lock nuts) the backbeam assembly 'up' in Elevation to
facilitate the installation of the reflector petals.
12. Locate the reflector assembly (Item 8). Refer to the table on Page 2. Assemble petals 1
and 4 using captive cam-lock handles.
Petals 2 and 3
Petals 1 and 4
NOTE: The 2.4m Flyaway Antenna has each petal labeled to identify its position in the assembled
configuration. The petal position is noted by the shaded area on the label. The labels are further
identified by an upward arrow to indicate that petal's position in the reflector configuration.
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13. It is recommended that two people assemble the reflector petals. It is also recommended
that all surfaces of the petals be protected as much as possible during the assembly process
so that damage does not occur and no foreign material is introduced to these critical
interfaces.
NOTE: The reflector petals are indexed using 'male' and 'female' bosses on opposing petals. These
interfaces must be kept clean and undamaged to ensure proper assembly and alignment of the
reflector surface.
Male
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14. The (3) indexing boss pairs on each reflector petal should be properly engaged with
each other prior to engaging the cam-lock handles for each pair. After proper engagement has
been achieved, each cam-lock handle should be secured prior to moving to the next assembly
step. See below for securing the reflector petal cam-lock and detail of engaged cam-lock
handle.
NOTE: The captive cam-lock assemblies on the reflector and backbeam require 1/4-turn action to
properly engage the mating receptacles. When fully engaged, the cam-lock handle will be at a 90°
angle relative to the position required to properly insert the cam-lock shaft into the mating receptacle.
Ensure proper engagement prior to fully depressing the cam-lock handle to its locked position.
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15. Two people are required to lift the lower reflector petal assembly into position. Slide the
lower reflector mounting bosses into the mating slots in the backbeam assembly.
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16. Snug (do not fully tighten) the lower reflector locking hardware (2 places) to the lower
reflector assembly.
17. Assemble petals 2 and 3 using the integrated cam-lock handles in the same fashion as
done previously for petals 1 and 4. Two people are required to lift the upper reflector assembly
into position as shown.
NOTE: It is important to ensure that the reflector indexing bosses between the upper and lower
reflector assemblies engage properly and that their respective cam-lock handles are tightened prior to
tightening the reflector/backbeam lock down hardware.
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18. Ensure that your configuration matches the image below (top). Secure the cam-lock
handles at each upper-to-lower reflector assembly indexing boss location starting from
the locations nearest the backbeam and working your way toward the bosses furthest from the
backbeam. See image below (bottom) for cam-lock securing.
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19. After securing all reflector cam-lock handles, engage and secure the upper reflector
backbeam lock-down wing handles. Fully tighten the lower reflector/backbeam lock-down wing
handles at this time as well.
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3.3.2 Feedboom Installation
The antenna is now prepared for installation of the feedboom and feed. The following steps
detail this process. The user may choose to install the feed on the feedboom prior to installing
the feedboom on the antenna depending on the user's situation. The following steps detail the
process of installing the feed after the feedboom has been installed on the antenna.
1. Locate the assembly feedboom (Item 3). Refer to the table on Page 2. Install the
feedboom assembly onto the lower backbeam feedboom interface.
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2. Tighten the feedboom assembly locking hardware.
3. The antenna is now ready for feed installation. The image below demonstrates the position
of the antenna prior to any Elevation axis adjustments to provide easier access to the
feedboom feed interface.
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3.4 Feed Installation
The 2.4m Flyaway Antenna is designed to accommodate a wide variety of feed assemblies.
C, X, and Ku Band feeds are readily available and no feedboom modification is required to
allow for installation of these feeds.
1. Locate the appropriate feed assembly to be used. A C Band LP feed is shown in the images
below for reference.
NOTE: It may be desirable to lower the antenna in Elevation to allow for access to the feedboom and
feed interface.
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2. Each feed that is used with the 2.4m Flyaway Antenna will fit on the two indexing pins
shown. There is a corresponding hole/slot combination on the feed assembly that mounts to
this interface. Lower the feed onto this interface and press the captive carriage screw up
through the keyhole in the feed interface. Tighten the carriage screw hand knob to secure the
feed assembly for use.
Feed Interface Indexing Pins
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3.5 Complete Installation
Following installation of the chosen feed assembly, the 2.4m Flyaway Antenna is
completed and ready for use with supplementary RF equipment.
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4. BASIC MECHANICAL OPERATION OF ANTENNA
4.1 Azimuth Adjustment of Antenna
The 2.4m Flyaway Antenna is provided with a vernier tape on the pedestal hub to facilitate
measurement of relative antenna movements in Azimuth. Additionally, there is a pre-installed
pointer device to aid in taking measurements.
Azimuth adjustment for the 2.4m Flyaway Antenna is designed to be user friendly and provide
a wide range of adjustment. The Azimuth bearing allows the antenna to be adjusted anywhere
from 0° - 360°. The antenna is able to achieve this adjustment at any Elevation angle from
5° - 90° (supplementary RF equipment may affect this travel, depending on mounting options).
The Azimuth axis is equipped with a fine adjust turnbuckle that can be indexed at 15°
increments throughout the full 360° travel range of the antenna. This turnbuckle is designed to
provide adjustment that overlaps these 15° segments in order to allow for seamless adjustment
to any position.
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4.2 Azimuth Adjustment Details
4.2.1 Azimuth Brakes
The antenna is equipped with Azimuth brakes. The image below details the location of the
brake components.
Azimuth Brake Handles
Azimuth Brake Shoes
CAUTION: The brakes are designed to aid in securing the antenna in the Azimuth axis, but
it is not recommended that the brakes be used solely (without the Azimuth turnbuckle strut)
to secure the antenna in operational winds. There is a risk of damage to personnel and
equipment if the antenna is not properly secured in operation.
To lock the brake handles, it may be necessary to briefly hold the lock screw head against
the brake shoe as shown below. Once the brake shoe comes in contact with the underside of
the pedestal hub, there is no longer any need to perform this holding action.
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4.2.2 Azimuth Indexing Plate and Turnbuckle Assembly
The antenna is equipped with an indexing plate and Azimuth fine adjust turnbuckle. The
indexing plate can be indexed around the full 360° of Azimuth travel in 15° increments. The
Azimuth turnbuckle provides fine adjustment in these segments. The following figures provide
further information on these features.
Azimuth Indexing Plate
Attachment Knobs
Azimuth Indexing
Plate Assembly
Azimuth Adjustment
Turnbuckle
Azimuth Indexing
Ring
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Azimuth Turnbuckle
Pivot Block
The Azimuth turnbuckle pivot block lock down hand knob should be loosened prior to using the
turnbuckle to adjust the antenna. Upon achieving the correct position, this hand knob and the
Azimuth brake handles should be secured for operation.
Azimuth Turnbuckle
Adjustment
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4.3 Elevation Adjustment
4.3.1 Elevation Jack Strut and Adjustment Hand Wheels
The Elevation jack strut uses "push-push" style hand wheels. To use the adjustment strut, the
user must simply loosen one hand wheel and tighten the other to move in a given Elevation
direction. The user may find it simpler, however, to have the reflector supported by a helper
while moving the adjustment hand wheels in order to reduce friction at the Elevation jack strut
trunnion pivot block.
Elevation Adjustment
Hand Wheels
Elevation Jack Strut
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4.3.2 Elevation Axis Angle Measurement
The image below provides definition of the recommended surface to use in determining the
Elevation angle of the 2.4m Flyaway Antenna.
Place inclinometer on rear
surface of upper
backbeam assembly
The offset angle for the 2.4m Flyaway Antenna is 22.6°.
Reflector RF Angle Calculation
Place an inclinometer on the surface indicated in the image above and ADD 22.6° from the
reported value to obtain the ACTUAL RF look angle of the antenna.
(EXAMPLE: Reading at 44.5° (+22.6°) = ACTUAL RF look angle of 67.1°)
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5. DISASSEMBLY AND PACKING OF ANTENNA
NOTE: Care should be taken during disassembly to inspect each component for damage. The
components should be clean and dry prior to packing for shipment to ensure that they are ready and
usable for the next deployment.
5.1 Packing of Feedboom, Tension Struts, and Upper Backbeam
The case shown below has a lower compartment for the tension struts and can be
accessed by lifting up the carpeted section.
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The upper backbeam now fits into the same case and clears all components.
The case shown below depicts the packaging of the tripod legs.
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The image below depicts the packaging of the lower backbeam assembly.
The image below depicts the packaging orientation for the pedestal hub assembly.
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The image below shows the correct orientation of the (4) reflector panels for packaging.
Following the packing of the reflectors, the cases can be closed and secured for shipping.
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6. ANTENNA MAINTENANCE
During deployment, the antenna will only require periodic inspection. It is recommended that
the antenna be inspected at least once every month and after any weather-related incidents
that may have occurred. Severe weather could cause damage to the antenna and/or
supplementary electronics.
Viking Satcom recommends periodic inspection of the following key items:
- All hardware/fasteners should be checked for proper torque. This includes the tripod tension
struts, AZ and EL adjustment struts, and feed assembly attachment.
- All components should be inspected for corrosion. Although the antenna components are
constructed using corrosion resistant materials, environmental conditions may require periodic
cleaning.
- The feed window should be inspected for damage. Should damage be found, contact Viking
Satcom.
- It is recommended that the reflector be cleaned occasionally. The reflector should also be
inspected for damage. Should damage be found, contact Viking Satcom.
-Ballast/anchoring should be inspected for proper installation and/or damage. Improper ballast
or anchoring can result in poor operation and/or damage in adverse weather conditions.
6.1 Additional Maintenance
As additional maintenance, it is highly recommended that all threaded/adjustment hardware
be cleaned and have a lubricant applied during disassembly and prior to packing. This
lubricant can significantly increase the useful life of the components. A dry film lubricant works
well for the antenna's components.
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