TOOLS REQUIRED: Screwdriver, 11/32 wrench, socket or spintite, a 7/16" and 1/2" wrench or
socket, tape measure.
1. Layout the boom sections as shown on Dimension Sheet and assemble with 8-32 x 1-3/4" screws,
lockwashers and nuts. Tighten the nuts securely.
2. Use the Dimension Sheet as reference for installing the ELEMENT HALVES on to the ELEMENT
MOUNTING BLOCKS. Use the 8-32 x 1" screws and locknuts.
3. Mount the longest element (REFLECTOR - 57-7/8” element halves) to the hole at the rear end of
the boom using a 8-32 x 2" screw and locknut. Tighten securely.
4. Mount the DRIVEN ELEMENT next, threading the 2” screw into the 'T' MATCH BLOCK held to the
underside of the boom. Orient the match block with the “N” feed connector pointed to the front. Mount
the remaining DIRECTOR ELEMENTS. Carefully note lengths on Dimension Sheet:
5. Thread the gold SEAL NUTS all the way onto the two small connectors on the 'T' match block
with
the black neoprene side out.
Then connect the balun connectors and tighten them
GENTLY
with a
7/16" end wrench. Now run the seal nuts up against the face of the balun connectors and tighten them
about 1/2 turn with a 1/2" end wrench. Secure coiled balun to boom with two nylon ties.
6. Install two 8-32 x 1/4” Setscrews into each SHORTING BAR. Then slide a SHORTING BAR onto
each DRIVEN ELEMENT HALF and position per the DIMENSION SHEET oN the “T” match rods.
Align rods and element halves parallel and tighten the set screws with the 5/64" Allen wrench.
7. Install the feedline, tightening the Male connector carefully, and route the cable forward to the
balance point, securing it with the cable ties provided.
8. Mount the BOOM TO MAST PLATE perpendicular to elements at the physical balance point of the
TYPICAL HARDWARE ARRANGEMENT
ELEMENT MOUNTING BLOCK
8-32 X 2" SCREW
AND LOCKNUT
DRIVEN ELEMENT
SHORTING
BAR
1/2 WAVE LENGTH
RG6-U BALUN
1-1/2" BOOM
REFLECTOR
ELEMENT
8-32 X 1" SCREW
AND LOCKNUT
FEEDLINE
8-32 X 1/4" SETSCREW
"T" MATCH
BLOCK
NYLON TIE
6M3 ASSEMBLY MANUAL
