Dawnco 1252 Series Manual

2.4m c & ku-band receive only

Advertisement

Quick Links

2.4M
C & KU-BAND
RECEIVE ONLY
Manufactured by the
world's largest manufacturer of
Rx/Tx VSAT antennas. We have
the broadest product line in the
industry including Receive Only,
Rx/Tx and Rural Telephony
antenna systems.
Nineteen antenna sizes, 47cm to
4.5M. Manufacturer is the leader in
obtaining type certifications and
approvals for Intelsat, AsiaSat
and Eutelsat. The antennas
provide the best quality in the
market due to the sophisticated,
precision SMC compression
molding process technology.
Provides the best value
antenna solution to the market
with competitive prices, the
highest quality products and
superb engineering support.
DAWNco • 3340 S. Lapeer Rd • Orion, MI 48359-1320 • Ph (248) 391-9200 • Fax (248) 391-9207 • sales@DAWNco.com
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.
Back View
Series 1253
Option
C-Band Feed
P24F
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

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the 1252 Series and is the answer not in the manual?

Questions and answers

Summary of Contents for Dawnco 1252 Series

  • Page 1 DAWNco • 3340 S. Lapeer Rd • Orion, MI 48359-1320 • Ph (248) 391-9200 • Fax (248) 391-9207 • sales@DAWNco.com You are entitled to the manufacturer's limited express warranty, if any, that accompanies the product. DAWNco makes no additional or independent warranty.
  • Page 2 360 BTU/h/ft DAWNco • 3340 S. Lapeer Rd • Orion, MI 48359-1320 • Ph (248) 391-9200 • Fax (248) 391-9207 • sales@DAWNco.com You are entitled to the manufacturer's limited express warranty, if any, that accompanies the product. DAWNco makes no additional or independent warranty.
  • Page 3 Az/El Truss Mount DAWNco • 3340 S. Lapeer Rd • Orion, MI 48359-1320 • Ph (248) 391-9200 • Fax (248) 391-9207 • sales@DAWNco.com You are entitled to the manufacturer's limited express warranty, if any, that accompanies the product. DAWNco makes no additional or independent warranty.
  • Page 4 DATE APPROVED DAWNco • 3340 S. Lapeer Rd • Orion, MI 48359-1320 • Ph (248) 391-9200 • Fax (248) 391-9207 • sales@DAWNco.com You are entitled to the manufacturer's limited express warranty, if any, that accompanies the product. DAWNco makes no additional or independent warranty.
  • Page 5 4096-356 DAWNco satellite products 2.4M Az/El TRUSS MOUNT...
  • Page 6: Table Of Contents

    4096-356 DAWNco satellite products 2.4M Az/El TRUSS MOUNT ASSEMBLY MANUAL Table Of Contents Section Title General Information Unpacking & Inspection Mechanical Installation Tools Site Selection Foundation Requirements Reflector And Support Structure Assembly Reflector and Support Structure Part List Reflector Pre- Assembly...
  • Page 7: General Information

    4096-356 DAWNco satellite products 2.4M Az/El TRUSS MOUNT SECTION 1 GENERAL INFORMATION UNPACKING AND INSPECTION 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.
  • Page 8: Mechanical Installation Tools

    4096-356 DAWNco satellite products 2.4M Az/El TRUSS MOUNT MECHANICAL INSTALLATION TOOLS HARDWARE SIZE SAE WRENCH METRIC WRENCH MAXIMUM REC. SIZE SIZE TORQUE # 6 SCREW 5/16” 8 mm 8 in-lbs 1 / 4” 7 / 16” 11 mm 49 in-lbs 3 / 8”...
  • Page 9: Reflector And Support Structure Assembly

    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.
  • Page 10 4096-356 DAWNco satellite products 2.4M Az/El TRUSS MOUNT REFLECTOR AND SUPPORT STRUCTURE PARTS LIST TABLE 2.1 ITEM PART NO. DESCRIPTION 0179-173 REFLECTOR PETAL 0217-072 FEED SUPPORT CLEVIS 0490-501 CENTER HUB 0156-808 CENTER PLATE 0225-553 ANGLE BRACE 1 / 2” HEX NUT...
  • Page 11 4096-356 DAWNco satellite products 2.4M Az/El TRUSS MOUNT 1 / 4” - 20 x 1.25 BOLT 8030-010 1 / 4” FLATWASHER 8201-040 1 / 4” LOCKWASHER 8202-040 3 /8” -16 x 1.25 BOLT 8032-010 3 / 8” FLATWASHER 8201-042 3 / 8” LOCKWASHER...
  • Page 12: Reflector Pre-Assembly

    4096-356 DAWNco satellite products 2.4M Az/El TRUSS MOUNT reflector shape and correct it if necessary. REFLECTOR PRE-ASSEMBLY The reflector consists of three interchangeable petals of compression molded glass-fiber reinforced material. This material is very strong, yet lightweight and easy to handle. The reflector will possess a very accurate parabolic shape when properly assembled and will retain it’s shape for years under harsh...
  • Page 13 4096-356 DAWNco satellite products 2.4M Az/El TRUSS MOUNT REFLECTOR ASSEMBLY STEP 1: Place two petals rim down on a level surface with their flanges next to each other. The petals are free standing with the rim down and the center up.
  • Page 14 4096-356 DAWNco satellite products 2.4M Az/El TRUSS MOUNT STEP 4: A) Continue assembling the two petals See Detail as above. Before installing the last Below petal, place the center plate (item 4) beneath the center of the reflector and attach the center hub (item 3) on top with 1 / 4”...
  • Page 15 4096-356 DAWNco satellite products 2.4M Az/El TRUSS MOUNT SUPPORT STRUCTURE ASSEMBLY [ 12, 13 ] STEP 1: Attach one of the angle braces (item 5) to the top of the hub ring as shown. Note that the notched end of the angle goes towards the reflector rib.
  • Page 16 4096-356 DAWNco satellite products 2.4M Az/El TRUSS MOUNT SECTION 3 REFLECTOR INSTALLATION REFLECTOR MOUNT PARTS LIST TABLE 3.1 ITEM PART NO. DESCRIPTION 0490-502 CANISTER 0168-085 ELEVATION ADJUSTMENT BLOCK 0490-476 ELEVATION ADJUSTMENT ROD 8317-105 5/8" x 2.00 SQ. HD BOLT 1/2" x 1.25 BOLT...
  • Page 17 8104-007 8036-048 1" X 6.00 BOLT 8202-046 1" LOCKWASHER 1" HEX NUT 8107-007 5/8" HEX NUT 8105-007 8201-046 1” FLATWASHER DAWNco • 3340 S. Lapeer Rd • Orion, MI 48359-1320 • Ph (248) 391-9200 • Fax (248) 391-9207 • sales@DAWNco.com...
  • Page 18 4096-356 DAWNco satellite products 2.4M Az/El TRUSS MOUNT NOTE: At least three persons are required for the installation of the antenna on the mast. After the reflector is positioned on the canister, two can steady the reflector while the other secures it with the 1" bolt.
  • Page 19: Reflector Assembly

    4096-356 DAWNco satellite products 2.4M Az/El TRUSS MOUNT REFLECTOR POSITIONING STEP 1: Bring the completed reflector assembly [ 5, 7, 8 ] to the pedestal and locate it about 1-1/2 to 2 feet away from the mast. Make sure that the elevation brackets on the hub are pointing away from the mast.
  • Page 20: Feed Installation

    4096-356 DAWNco satellite products 2.4M Az/El TRUSS MOUNT Center Hub [ 11, 12, 14 ] STEP 2: Swing the reflector up until the hub can be placed in between the top brackets [ 10 ] the canister. With the holes aligned, secure the reflector with 1"...
  • Page 21 4096-356 DAWNco satellite products 2.4M Az/El TRUSS MOUNT Ku-BAND FEED SINGLE POL - Coat the o-ring (item #2) with the silicone grease from the capsule provided and place it in the feed horn o-ring groove. Place the square adapter (item #3) on the feed horn flange and line up the four hole pattern in the adapter with four of the eight holes in the feed horn flange.
  • Page 22 4096-356 DAWNco satellite products 2.4M Az/El TRUSS MOUNT Ku-BAND FEED DUAL POL - Coat the o-ring (item #6) with the silicone grease from the capsule provided and place it in the feed horn o-ring groove. Attach the OMT (item #1) to the feed horn (item #2) with the #6 hardware (item #'s 3,4,&...
  • Page 23 4096-356 DAWNco satellite products 2.4M Az/El TRUSS MOUNT Attach the LNB's (customer supplied) to the feed horn flange with the 1/4" hardware and gaskets (item #'s 2 ,3,4,5,& 6) provided. See figure 3. (SINGLE POL ONLY - Attach the cover plate (item #7) and gasket (item #2) to the bottom of the feed horn as shown.) Tighten securely.
  • Page 24 4096-356 DAWNco satellite products 2.4M Az/El TRUSS MOUNT C/Ku-BAND FEED Attach the three feed mounting brackets to the scaler of the c/ku band feed (customer supplied) with the hardware provided. (Figure 4). Tighten securely. C/Ku-BAND FEED PARTS LIST ITEM #...
  • Page 25: Feed Support Assembly

    4096-356 DAWNco satellite products 2.4M Az/El TRUSS MOUNT FEED SYSTEM PARTS LIST TABLE 4.2 ITEM NO. PART NO. DESCRIPTION QUANTITY VARIES FEED HORN ASSEMBLY VARIES FEED SUPPORT ROD 8031-008 3/8-16 x 1.00 BOLT 8201-042 3/8" FLATWASHER 8202-042 3/8" LOCKWASHER 8102-007 3/8"...
  • Page 26: Feed Installation

    4096-356 DAWNco satellite products 2.4M Az/El TRUSS MOUNT FEED INSTALLATION FOCAL LENGTH - As shown in figures 5 thru 7, attach the feed horn assembly to the three feed rods with the same 3/8" hardware as above. (For ku-band single pol only, insert the feed cover tab (item #7) between the feed horn and the 3/8"...
  • Page 27 4096-356 DAWNco satellite products 2.4M Az/El TRUSS MOUNT C / Ku-BAND Face of Feed Horn [ 1 ] [ 4, 5, 6 ] [ 4 ] [ 3 ] FIGURE 7. [ 2 ] FOCAL LENGTH FIGURE 8.
  • Page 28 4096-356 DAWNco satellite products 2.4M Az/El TRUSS MOUNT POLARITY ADJUSTMENT - On C-band and ku-band feed systems, polarity is adjusted by loosening the feed horn bolts (see figures 9 and 10) and rotating the OMT or feed horn 90 degrees, then retighten the bolts.
  • Page 29: Feed Cover Installation

    4096-356 DAWNco satellite products 2.4M Az/El TRUSS MOUNT FEED COVER INSTALLATION FOR SINGLE POL Ku-BAND FEED ONLY - After completion of the feed installation, connection of the cable and polarity adjustment, bend the feed cover tabs (item #7) in and then slide the feed cover (item #8) over the tabs. Attach the cover to the tabs with the tapping screws (item # 9) and slide the cap (item #10) over the cover as shown in figure 11.
  • Page 30: Antenna Alignment And Tuning

    4096-356 DAWNco satellite products 2.4M Az/El TRUSS MOUNT SECTION 5 ANTENNA ALIGNMENT AND TUNING ELEVATION ADJUSTMENT Place an inclinometer on the hub as shown in figure 12. Adjust the elevation by turning the 5/8" nuts on the elevation rod up or down until the correct angle is read on the inclinometer.
  • Page 31 4096-356 DAWNco satellite products 2.4M Az/El TRUSS MOUNT ELEVATION Inclinometer FIGURE 12...

This manual is also suitable for:

1253 series

Table of Contents