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Assembly Instructions
M108C
8 ELEMENT 10/11 METER BEAM
Maco Antennas - a Division of Charles Electronics, LLC
302 S. East St.
Mt. Carroll, IL 61053
815-244-3500
www.macoantennas.net

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Summary of Contents for Maco Antennas M108C

  • Page 1 Assembly Instructions M108C 8 ELEMENT 10/11 METER BEAM Maco Antennas - a Division of Charles Electronics, LLC 302 S. East St. Mt. Carroll, IL 61053 815-244-3500 www.macoantennas.net...
  • Page 2: Packing List

    ____ Please note: In an effort to keep the price on Maco Antennas down, we have decided not to clean up all the burrs and rough edges on the parts. We recommend that you deburr and clean up each part with files, sandpaper, etc.
  • Page 3: Horizontal Polarization

    FIGURE 1 GENERAL INSTRUCTIONS This drawing shows a view of the antenna assembled. The M108C may be used horizontally or vertically. These instructions and FIGURES 2 through 4 show the correct assembly instructions. It is highly recommended that rope be put in the elements to prolong their life. All hardware should be tightened securely, and then coated with silicon rubber sealant or similar compound to prevent loosening from wind vibration.
  • Page 4: Boom Assembly

    3” BOOM T W I S T E N D O F G U Y HEX NUT T H R E A D G U Y W I R E T H R O U G H E G G I N S U L A T O R A N D T W I S T E N D 1 ”...
  • Page 5 Please read the Assembly and Troubleshooting Tips end of this instruction booklet before assembling elements. I E L E M E N T BE3 CLAMP NUTS AND FIGURE 3A ELEMENT CENTER SECTION MOUNTING Refer to the main sketch (Figures 1A & B) for spacing of the elements. Slide the 5/8” x 6’ center sections inside the boom to element mounts.
  • Page 6 MOUNTING The M108C is designed to accept a 2” O.D. mast. A l/4” heavy duty mast designed for this purpose is recommended. If mounted on a guyed tower, break up the guys every 3’ by using egg insulators in the guy lines for the top 20’...
  • Page 7 REFLECTOR DRIVEN ELEMENT DIRECTOR 1 DIRECTOR 2 DIRECTOR 3 DIRECTOR 4.5.6 2 6 . 5 0 0 I T I I ” I 7’ 2” IT I ” 2 6 , 5 5 0 I T l o ” I T 2” IT I ”...
  • Page 8 * m: THESE DIMENSONS ARE APPROXIMATE. REFER TO THE INSTRUCTIONS ON ADJUSTINNG THE S.W.R. TO DETERMINE EXACT SETTINGS. THERE ARE2 SEPARATEGAMMA ADJUSTMENTS, 1. CAPACI- TOR ADJUSTMENT, 2. SLIDER POSITION. DO NOT MOVE BOTH AT THE SAME TIME. MOVE THE CAPACITOR FIRST, THEN, IF NECESSARY MOVE THE SLIDER.
  • Page 9 I n s t a l l i n g a n d r i g g i n g t o w e r s , m a s t s a n d a n t e n n a s r e q u i r e s p e c i a l i z e d s k i l l s a n d e x p e r i e n c e . I n f o r m a t i o n s u p p l i e d b y M a s s u m e s t h a t a l l p r o d u c t s w i l l b e i n s t a l l e d b y p e r s o n n e l h a v i n g t h e s e s k i l l s a n d h a v e i n s t a l l e d s i m i l a r p r o d u c t s b e f o r e .