Related Manuals for CUSHCRAFT BIG THUNDER Series
Summary of Contents for CUSHCRAFT BIG THUNDER Series
- Page 1 ASSEMBLY & INSTALLATION X940 40 Meter ADD-ON KIT FOR X9 COMMUNICATIONS ANTENNAS 951474 (8/98)
- Page 2 X940 Thank you for your purchase of the Cushcraft X940 40 meter add-on kit. This kit is designed and manufactured to give the best performance and trouble free service. The antenna will perform as specified if the instructions are followed during assembly and installation.
- Page 3 X940 2 - Element Assembly Part # Description Dimensions 010011 SS Nut #8-32 Figure A and B show the steps required for element assembly. Identify the parts required using the Element Subassembly Parts List. Slide EA 290326 Warning sections over fiberglass insulator (567) until #8 screw holes line up. Insert Sticker screws (231) through holes and secure with lock washer (941) and nut 011941...
- Page 4 X940 3 - Element to Boom Assembly Figure C, D and E show the steps for element mounting on the X9 Boom. Identify the parts required using the Element to Boom Subassembly Parts List. Attach the two 4" x 5 1/4" Extruded AL Brackets (509) to the X9BA boom section in the unused hole between X9 elements #2 and #3.
- Page 5 X940 Figure F 1” (2.5 cm) Coax Drip Loop Part # Description Dimensions X79FS 18 323718 V-Block Form Drip Loops 41 011941 SS Lock with feed straps. Washer 45 321045 Aluminum 3/8” Spacer (1.0 cm) 81 032881 Worm 2-3/4” Clamp (7 cm) 82 010082 SS Hex...
- Page 6 X940 5 - X-Hat Assembly Figure G shows the steps for assembly of the two X-Hats. Identify the parts required using the X-Hat Subassembly Parts List. Two XHR rods attach to each 40 meter coil (LCA). Use the hardware shown in Figure G. The rods may be mounted in any position relative to the element or boom.
- Page 7 X940 6 - Element Truss Assembly Figures H, I, J and K show the steps for assembly of the element truss. The truss is not required for mechanical strength, it is provided so the 40 meter element will have the same form as the other X9 elements. The 40 meter element is mechanically designed for 90+ mph wind survival without the truss.
- Page 8 Maximum Power Handling (KW) Weight, lb. (kg) 80 (36.3) COMMUNICATIONS ANTENNAS Design Safety Factor 1.25 48 Perimeter Road, Manchester NH 03103 USA • Telephone: 603-627-7877 • Fax: 603-627-1764 • E-mail: sales@cushcraft.com Web Site: http://www.cushcraft.com • International - Tel: +1-603-627-7877 • Fax:+1-603-627-1764...
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