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Summary of Contents for General Dynamics SATCOM Technologies KX 120
- Page 1 Please include with this document the following manual(s): 400-0259 450-0001 450-0009 450-0072 460-0001 460-0009 460-0016 460-0043 DISCARD THIS PAGE BEFORE PRINTING...
- Page 2 OPERATION & MAINTENANCE MANUAL VERTEXRSI MODEL 11.1 METER SATELLITE EARTH STATION ANTENNA MODEL 11.1 KX 120/200 600-1152 Revision A August 11, 2004 SATCOM Technologies 2600 N. Longview St., Kilgore, TX USA 75662-6842 Phone (903) 984-0555 FAX (903) 984-1826 www.gdsatcom.com "EXPORT CONTROL WARNING - the disclosure of this document or its contents to non-U.S. persons, or the transmission of its contents outside the United States must be in compliance with U.S.
- Page 4 SATCOM TECHNOLOGIES CONFIDENTIAL AND PROPRIETARY All computer software, technical data or other information pertaining to the equipment covered by this document is considered proprietary by SATCOM Technologies. Such information transmitted in this document or related documents is for the benefit of SATCOM Technologies customers and is not to be disclosed to other parties verbally or in writing without prior written approval of SATCOM Technologies.
- Page 5 Use of WARNINGS, CAUTIONS, etc. Warnings, Cautions and other notes are included throughout this document to provide necessary information. IGNORING WARNINGS, CAUTIONS AND OTHER NOTES MAY RESULT IN DAMAGE TO THE PRODUCT, INJURY, OR IN EXTREME CASES, DEATH. You should know the use of Warnings, Cautions and other markings. Definitions are: WARNING! HIGHLIGHTS AN INSTALLATION, OPERATING OR MAINTENANCE...
- Page 6 CAUTIONARY NOTICE Although SATCOM Technologies has attempted to detail in this document all areas of possible danger to personnel in connection with the use of this equipment, personnel should use caution when installing, operating and servicing this equipment. Care should be taken to avoid electrical shock, whether the hazard is caused by design or malfunction.
- Page 7 POTENTIAL DAMAGE TO ANTENNA The antenna limit switches and resolvers have been pre-set to allow for maximum antenna performance. Any subsequent adjustment may jeopardize antenna performance and/or result in damage to the antenna. SAFETY NOTICE The following safety procedures are listed to remind those performing any work on the antenna system that safety rules must be observed.
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Page 8: Table Of Contents
TABLE OF CONTENTS INTRODUCTION ......................1 ANTENNA COMPONENTS AND CHARACTERISTICS ..........2 Pedestal Assembly ......................2 Reflector Assembly ......................2 Elevation Drive Assembly ....................3 Azimuth Drive Assembly ....................3 Polarization Drive Assembly ....................3 Couplings .........................3 Limit Switches ........................4 Angular Position Indication ....................4 Reflector Backup Structure ....................4 2.10 Reflector Panels .......................4 2.11 Subreflector Support Assembly..................4 2.12 Manual Operation of Drive Assemblies ................5... - Page 9 LIST OF FIGURES Figure 1. Antenna Lubrication Points..................11 Figure 2. Anti-Rotation Setscrew Location................. 14 LIST OF TABLES Table 1. Antenna Operating Conditions..................2 Table 2. Lubrication Schedule ....................12 Table 3. Jack Grease Chart ....................... 13 600-1152A...
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Page 10: Introduction
Model 11.1-Meter KX 120/200 one (1) position and two (2) position antennas. Should any repair or maintenance problems arise which are not discussed within this manual, such problems should be referred to the equipment manufacturer: General Dynamics SATCOM Technologies 2600 N. Longview St. Kilgore, Texas 75662-6842... -
Page 11: Antenna Components And Characteristics
ANTENNA COMPONENTS AND CHARACTERISTICS The VertexRSI Kingpost Pedestal Antenna is designed, engineered, and manufactured for maximum life and minimum maintenance. The high gain feed system and rigid reflector assembly are supported by the all-steel, four-point mount Kingpost Pedestal. The design of the system assures the following operational and survival conditions. Table 1. -
Page 12: Elevation Drive Assembly
Elevation Drive Assembly Basic characteristics of the elevation drive assembly: Anti-Backlash Worm gear screw jack: Joyce Model AWJ1135-90 7/8 • Capacity: 35 Tons. • Ratio: 11:1, 16 revolutions of the input shaft for 1 inch of jack extension or retraction. •... -
Page 13: Limit Switches
Limit Switches Limit switches are provided on the elevation and the azimuth ax’es to prevent structural and/or electrical damage due to excessive rotation (overtravel) of the system. The limit switches are activated by tripping the lever arm against an adjustable stop. Angular Position Indication Angular position is indicated by two size 11 (standard) transducers, size 20 (high accuracy) transducers, or optical encoders. -
Page 14: Manual Operation Of Drive Assemblies
2.12 Manual Operation of Drive Assemblies The jack drive assemblies can be manually operated by means of a ratchet rotation or an electric drill with a socket fitting on the end of the jack input shaft. It can also be driven at the end of the motor shaft under the plug on the end of the fan shroud. -
Page 15: Material Finishes
As an option, some parts of the antenna structure may be painted after hot dip galvanizing or painted with site specific colors. If any discrepancies occur that are not specifically covered in the accompanying documentation or questions about a particular finish arise, you may contact General Dynamics SATCOM Technologies Customer Service. 600-1152A... -
Page 16: Recommended Maintenance Schedules And Procedures
Wire brush to remove oxidation. c. 1. Where the galvanized finish is damaged, apply a coat of cold galvanizing type paint, aerosol or liquid in accordance with General Dynamics SATCOM Technologies procedure 400-0259. 2. Where the painted finish is damaged, apply a coat of gloss white per 460-0043. -
Page 17: Assembly Hardware
3.1.3 Miscellaneous Painted Aluminum Components Reference the following General Dynamics SATCOM Technologies documents and procedure when touch-up of surface panels is necessary: 450-0001 Paint Requirement (Gloss White) 450-0072 Paint Requirement (Primer) 460-0009 Manufacturing Process Specification (For Coating Steel or Aluminum) 460-0043 Manufacturing Process Specification (Priming) a. -
Page 18: Foundation Anchor Bolts (And Other Galvanized Steel)
Jacks and Gearboxes The gearing in the machine screw jacks must be lubricated with General Dynamics SATCOM Technologies’ standard recommended grease which is Almagard #3751. Refer to the Project Print Pack shipped with the antenna to confirm site specific lubricants. -
Page 19: Bearing Lubrication
with the antenna for the proper lubricant. It is not necessary to change out the oil in the gearboxes for the life of the antenna. Bearing Lubrication The following paragraphs describe the function, location, and lubrication of the remaining moving mechanisms of the antenna system which require lubrication. The bearings used on the pedestal assembly are the elevation axis bearing (2), the azimuth axis bearing (2), and the elevation and azimuth drive jack rod end bushing (1). -
Page 20: Figure 1. Antenna Lubrication Points
Figure 1. Antenna Lubrication Points 600-1152A... -
Page 21: Table 2. Lubrication Schedule
Table 2. Lubrication Schedule ITEM FREQUENCY LUBRICANT REMARKS 1. Screw Jack Normal Operation Lubrication Engineers Grease fitting on head of Housing Once per month. Almagard 3751 Grease jack, 2 places. See Section Severe Operation 3.5 for additional remarks. Twice per month 2. -
Page 22: Lightning Protection
Table 3. Jack Grease Chart *RELUBRICATION JACK GREASE CAPACITY AMOUNT APPLICATION SIZE SHOTS WEIGHT SHOTS WEIGHT 35 TON 11M Elevation 70 Oz. or 4# 6 Oz. 5 Oz. SHOTS SHOTS 200 Oz. or 12# 8 75 TON 11M Azimuth 7.5 Oz. SHOTS SHOTS * Each grease fitting... -
Page 23: Figure 2. Anti-Rotation Setscrew Location
3.11.1 Inspection The proper adjustment of the anti-rotation screws can be verified by watching the rod end of the jack during jack extension, such as during a tracking step. If the rod end rotates more than 5 degrees at the start of a step, the setscrews should be adjusted by the following procedure. -
Page 24: Operation
These levels range from simple jog to a sophisticated steptrack system. For job specific Control System information see the Project Print Pack shipped with the antenna. Operation & Maintenance Manuals for all General Dynamics SATCOM Technologies control system components are provided as part of the Control System. 600-1152A... -
Page 25: Warranty
WARRANTY SATCOM Technologies 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. SATCOM Technologies’ liability under this Warranty shall terminate one (1) year after date of acceptance or eighteen (18) months from the date of shipment, whichever comes first.
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