Antenna Accessories Additional Struts for Microwave Antennas
Fixed and Adjustable Side Struts provide increased rigidity. They can be added to any of the antennas, as indicated in the table, as a first or second strut. Bottom Struts are recommended for high ice load environments. Requires mounting pipe which extends to bottom edge of antenna. Attachment of Strut to Antenna
The strut attaches either to a bracket at the antenna rim or to the antenna mounting ring. See illustration.
Attachment at Antenna Mounting Ring 4 and 6 ft Sizes
Attachment at Antenna Rim 8 through 12 ft Sizes
Antenna Mounting Ring
Reflector Rim
Optional Fixed Strut Kit520570-1 or 520570-2
Optional Fixed Strut Kit-520570-4
Strut Mounting Bracket520568 (supplied with 8-12 ft shielded antennas and standard 12 ft antennas)
• U.K. 0800-250055 • Australia 1800-803 219 • New Zealand 0800-441-747
Attach Optional Fixed Strut Here
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Reflector
A Reflector Mounting Ring
B, C
D A
Suitable Tower or Support Structure Member (not supplied)
E, F
4.5 in (115 mm) Diameter Mounting Pipe (not supplied)
H
G
I Mounting Ring
K J
B, C, L
G
D
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Customer Service Center - Call toll-free from: • U.S.A., Canada and Mexico 1-800-255-1479
A Reflector Strut Brackets, Type Number 520568 (replaces 44695) Two brackets attach to the edge of 8 ft, 10 ft, and 12 ft reflectors to provide an attachment point for the fixed side strut. Brackets are cast aluminum and the kit contains all (metric) stainless steel hardware for attachment to the reflector. Quantity: 2 per kit. B Adjustable Inboard Strut Kit, Type Number 520570-1 (replaces 221865) Solid reflector for the 12 ft. Azimuth wind brace with threaded rod adjustment assembly allows for fine antenna alignment and lock down. Galvanized steel pipe and brackets include all (metric) galvanized hardware for attachment to antenna mount or reflector mounting ring. Also includes item D, and G for tower end attachment. Strut pipe is schedule 80, and 10.5 ft (3.2 m) in length. C Inboard Strut Kit (less azimuth adjustment), Type Number 520570-2 Typically used as an optional side strut for 4 ft (1.2 m) and 6 ft (1.8 m) reflectors same as B less item D. Includes strut and strut collar assembly (G). D Azimuth Adjustment Kit, Type Number 520569 (replaces 40186-2) Attaches to inboard side strut (and strut collar assembly) to allow fine movement of the antenna during final alignment. Straight (metric) threaded rod assembly and associated hardware included. Order strut collar clamp (G) separately. E Outboard Strut Kit, Type Number 520570-3 Galvanized fixed side strut provides increased rigidity. Kit includes universal joint and (metric) hardware for attachment to reflector strut bracket (item A) included. Strut collar assembly (item G) also included to provide interface to tower. Strut pipe is schedule 80 and 10.5 ft (3.2m) in length. F Outboard Strut Replacement Kit, Type Number 520570-4 (replaces 38891A)
G Strut Collar Assembly, Type Number 520477 (replaces 222944) Provides tower interface and strut securement point. Galvanized clamp assembly includes stainless and galvanized hardware. (See tower interface options). H Bottom Strut Kit, Type Number 520570-5 (replaces 40604) Provides additional support to antennas due to weight of high ice loads. Reflector strut bracket, galvanized strut pipe, strut collar assembly, and (pipe mount) angle interface bracket included. All associated (metric) hardware is galvanized. Strut is schedule 80 and 5.0 ft (1.52 m) in length. Existing (extended) antenna pipe mount is required for strut attachment. I Grid Strut Kit (KP Series only), Type Number 100232-7 (for 8, 10 and 13 ft only) Provides added support in either the azimuth or elevation plane. Reflector strut bracket, strut pipe, strut collar assembly and hardware. All parts are galvanized including hardware. Strut is schedule 80 and 10.0 ft (3.05 m) in length. Order adjustment assembly separately, item J. J Fine Azimuth Adjustment Assembly for Grid Strut and Collar Clamp Assembly, Type Number 100093-2 All parts galvanized including hardware. K Grid Clamp Assembly, Type Number 100094 For replacement of item I and use with item J. All parts are galvanized including hardware. L Short Strut Assembly, Type Number 520570-7 Short strut assembly for 6 ft (2.0 m) standard antennas allows strut packed within shipping crate. Includes hardware for attachment to antenna and tower. Strut is 83.5 in (1212 mm).
Includes item G less item A reflector bracket.
• U.K. 0800-250055 • Australia 1800-803 219 • New Zealand 0800-441-747
Visit us at: www.andrew.com
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