Dawnco 1252 Series Manuel utilisateur

Option

C-Band Feed

Back View

Series 1253

2.4M

C & KU-BAND

RECEIVE ONLY

Key Features

· Precision compression

molded centerfed reflector

· Series 1252 - Az/El Mount

· Series 1253 - Polar mount

· Low transportation cost with

three panel reflector

· Individual panels inter-

changeable and field

replaceable

· Galvanized steel mounts

Manufactured by the

world’slargestmanufacturerof

Rx/TxVSATantennas. Wehave

the broadest product line in the

industry including Receive Only,

Rx/TxandRuralTelephony

antennasystems.

Nineteenantennasizes, 47cm to

4.5M. Manufacturer is the leader in

obtainingtypecertificationsand

approvalsforIntelsat, AsiaSat

and Eutelsat. The antennas

provide the best quality in the

marketdue to thesophisticated,

precision SMC compression

molding process technology.

Provides the best value

antennasolution to the market

withcompetitiveprices, the

highest quality products and

superb engineering support.

P24F

DAWNco • 3340 S. Lapeer Rd • Orion, MI 48359-1320 • Ph (248) 391-9200 • Fax (248) 391-9207 • [email protected]

You are entitled to the manufacturer's limited express warranty, if any, that accompanies the product. DAWNco makes no

additional or independent warranty. All other warranties, express or implied, including the warranties of merchantability and

fitness for a particular purpose are disclaimed. We do our best to be accurate. We are not responsible for any typographical,

photographic or technical errors. See "Policies for DAWNco" under the "Answers" button at the DAWNco web site.

EnvironmentalPerformance

Receive Only

Series 1252 & 1253

Mechanical

2.4M

C & KU-BAND

RECEIVE ONLY

SERIES

1252 & 1253

Series 1252 & Series 1253

C-Band Ku-Band

AntennaSize 2.4M(96in.) 2.4M(96in.)

OperatingFrequency(GHz) 3.625-4.2 GHz 10.95-12.75GHz

MidbandGain(+.2dB) 37.5dBi 47.0dBi

3dBBeamwidth 2.1° .7°

AntennaNoiseTemperature(normal)

20°elevation 33 K 29 K

30°elevation 31 K 28 K

FeedInterface CPR 229 F WR75

Cross-PolIsolation(Linear) >30 dB(on axis) >30dB (onaxis)

FirstSidelobe(typical) -20 dB -20 dB

InsertionLoss 0.2 dB Max. 0.2 dB Max.

VSWR 1.3:1 Max. 1.3:1 Max.

ReflectorMaterial ThreeSegmentGlassFiberReinforcedPolyesterSMC

AntennaOptics Prime Focus, Axisymmetric

Mast PipeSize 5" SCH 40 Pipe (5.56" OD) 14.13 mm.

ElevationAdjustmentRange 0°to90°ContinuousFineAdjustment

AzimuthAdjustmentRange +45°Fine,360°Continuous

f/DRatio/FeedSupport .37/TripodFeedSupport

DeclinationCorrectedPolarRange 90°ArcCoverage with24”Actuator,Available

ShippingSpecifications(Weight) Az/El: 205 lbs. (93 kg.) Polar: 245lbs.(111 kg.)

WindLoading Operational 50mph(80km/h)

Survival 125mph(201km/h)

Temperature Operational -40°to140°F(-40°to60°C)

Survival -50°to160°F(-46°to71°C)

Rain Operational 1/2"/hr

Survival 2"/hr

Ice Operational --------

Survival 1/2"radial

AtmosphericConditions Salt,PollutantsandContaminantsas

EncounteredinCoastalandIndustrialAreas

SolarRadiation 360BTU/h/ft2

P24F

DAWNco • 3340 S. Lapeer Rd • Orion, MI 48359-1320 • Ph (248) 391-9200 • Fax (248) 391-9207 • [email protected]

You are entitled to the manufacturer's limited express warranty, if any, that accompanies the product. DAWNco makes no

additional or independent warranty. All other warranties, express or implied, including the warranties of merchantability and

fitness for a particular purpose are disclaimed. We do our best to be accurate. We are not responsible for any typographical,

photographic or technical errors. See "Policies for DAWNco" under the "Answers" button at the DAWNco web site.

4096-356

REVISION C

January 11, 2002

Assembly Manual

2.4Meter Series 1252

Az/El Truss Mount

P24F

DAWNco • 3340 S. Lapeer Rd • Orion, MI 48359-1320 • Ph (248) 391-9200 • Fax (248) 391-9207 • [email protected]

You are entitled to the manufacturer's limited express warranty, if any, that accompanies the product. DAWNco makes no

additional or independent warranty. All other warranties, express or implied, including the warranties of merchantability and

fitness for a particular purpose are disclaimed. We do our best to be accurate. We are not responsible for any typographical,

photographic or technical errors. See "Policies for DAWNco" under the "Answers" button at the DAWNco web site.

2.4M Series 1252

Az/El Truss Mount

C Revised Address 1/11/02 RAH

B Revised text on pages 22 & 23 04/06/99 RAH

A Redesign & update manual 07/21/98 PGW

- ORIGINAL RELEASE 11/23/94 R FRYE

REV. DESCRIPTION DATE APPROVED

P24F

DAWNco • 3340 S. Lapeer Rd • Orion, MI 48359-1320 • Ph (248) 391-9200 • Fax (248) 391-9207 • [email protected]

You are entitled to the manufacturer's limited express warranty, if any, that accompanies the product. DAWNco makes no

additional or independent warranty. All other warranties, express or implied, including the warranties of merchantability and

fitness for a particular purpose are disclaimed. We do our best to be accurate. We are not responsible for any typographical,

photographic or technical errors. See "Policies for DAWNco" under the "Answers" button at the DAWNco web site.

4096-356

DAWNco satellite products 2.4M Az/El TRUSS MOUNT

4096-356

DAWNco satellite products 2.4M Az/El TRUSS MOUNT

ASSEMBLY MANUAL

Table Of Contents

Section Title

1.0 General Information

1.1 Unpacking & Inspection

1.2 Mechanical Installation Tools

1.3 Site Selection

1.4 Foundation Requirements

2.0 Reflector And Support Structure Assembly

2.1 Reflector and Support Structure Part List

2.2 Reflector Pre- Assembly

2.3 Reflector Assembly

2.4 Support Structure Assembly

3.0 Reflector Installation

3.1 Reflector Mount Part List

3.2 Canister / Elevation Rod Assembly

3.3 Reflector Positioning

4.0 Feed Installation

4.1 Feed Horn Assembly

4.2 Feed System Part List

4.3 Feed Support Assembly

4.4 Feed Installation

4.5 Feed Cover Installation

5.0 Antenna Alignment And Tuning

5.1 Elevation Adjustment

5.2 Azimuth Adjustment

5.3 Fine Tuning

5.4 Reflector Fine Adjustment

4096-356

DAWNco satellite products 2.4M Az/El TRUSS MOUNT

SECTION 1 GENERAL INFORMATION

1.1 UNPACKING AND INSPECTION

1. UNPACKING & INSPECTION - The antenna containers should be

unpacked and inspected at the earliest date to ensure that all material has

been received and is in good condition. A complete packing list for each

major component is supplied.

2. FREIGHT DAMAGE - Any damage to materials while in transit should be

immediately directed to the freight carrier. He will instruct you on the

matters regarding any freight damage claims.

3. MATERIAL - MISSING OR DAMAGED - Any questions regarding missing

or damaged materials that is not due to freight carrier should be directed

to Prodelin's Customer Service Department at:

4096-356

DAWNco satellite products 2.4M Az/El TRUSS MOUNT

1.2 MECHANICAL INSTALLATION TOOLS

HARDWARE SIZE SAE WRENCH

SIZE

METRIC WRENCH

SIZE

MAXIMUM REC.

TORQUE

# 6 SCREW 5/16” 8 mm 8 in-lbs

1 / 4” 7 / 16” 11 mm 49 in-lbs

3 / 8” 9 / 16” 14 mm 15 ft-lbs

1 / 2” 3 / 4” 20 mm 35 ft-lbs

5 / 8” 15 / 16” 24 mm 70 ft-lbs

3 / 4” 1- 1 /8” 28 mm 220 ft-lbs

Also recommended for installation:

Adjustable Wrench 10”

Ratchet ( 3 / 8” drive)

Inclinometer

Compass

8’ ft Ladder

Gloves

1.3 SITE SELECTION

In order to achieve maximum performance of your antenna system, it is

important to select the correct location for the antenna. The following guidelines

should be observed when selecting a site for the installation.

1. The line of site to the satellite should be clear of any obstructions, such as

trees or buildings.

2. The site should be relatively flat and level for ease of installation and

access to the antenna.

3. The site should be checked for underground obstruction, such as buried

cables or pipes.

4. All local building codes should be adhered to (i.e. grounding, foundation

requirements, zoning rules, setbacks, etc.).

1.4 FOUNDATION REQUIREMENTS

4096-356

DAWNco satellite products 2.4M Az/El TRUSS MOUNT

Prodelin's recommended foundation for the antenna system is shown in figure 1.

however, each installation must be tailored to the specific requirements of the

site. It may be necessary to contact a local engineer or building department for

foundation design or approval at any particular site.

FIGURE 1.

NOTES:

1. 2 x 2 x 1/4 HRS Angle and schedule 40 pipe should conform with ASTM A36 and ASTM A53 Type E and

S Grade B.

2. All concrete should conform to building code standards and have a

minimum compressive strength of 3000 PSI at 28 days. (Per ACI-318-77)

3. Soil bearing capacity should be no less than 2000 PSF.

4-. Concrete should be poured against undisturbed soil.

5. Allow concrete 24 hours set time before installation of antenna.

6. The antenna should be properly grounded to meet applicable local codes.

7. Minimum depth as shown or extend to local frost line.

PRODELIN CORPORATION DOES NOT REPRESENT OR WARRANT THAT ANY PARTICULAR DESIGN

OR SIZE OF FOUNDATION IS APPROPRIATE FOR ANY LOCALITY OR EARTH STATION INSTALLATION

SECTION 2 REFLECTOR AND SUPPORT STRUCTURE ASSEMBLY

24.0

54.0

See Note #7

SECTION A-A

5 “ SCH 40 PIPE

2 x 2 x 1 / 4 HRS ANGLE

12 INCHES LONG

TYP 2 PL

2-5

TYP 2

4096-356

DAWNco satellite products 2.4M Az/El TRUSS MOUNT

REFLECTOR AND SUPPORT STRUCTURE PARTS LIST TABLE 2.1

ITEM PART NO. DESCRIPTION QTY

1 0179-173 REFLECTOR PETAL 3

2 0217-072 FEED SUPPORT CLEVIS 3

3 0490-501 CENTER HUB 1

4 0156-808 CENTER PLATE 1

5 0225-553 ANGLE BRACE 6

6 8104-007

7 8201-043

8 8202-043

PARTS LIST - CONTINUED

ITEM PART NO. DESCRIPTION QTY

1 / 2” HEX NUT

1 / 2” LOCKWASHER

1 / 2” FLATWASHER

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