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DSE3347LYA Rev 4/21
(Can be up or down)
(Can be left or right)
4)
Attach the feed line, and tape it to the bottom of the boom. The connector should be sealed
with electronic grade RTV or equivalent.
5)
As shipped, the antenna SWR will be less than 1.5:1. Additional tweaking can be
accomplished by adjusting the distance between the driven element and R1 and D1, or by
adjusting the shape of the driven element.
NOTE:
Do not attempt this adjustment unless the
proper equipment and qualified personnel are available.
6)
If antennas are to be stacked, see "Instructions for Stacking Loop Yagis".
Refer to photos in the next few steps for clarification on the Sub Boom:
7)
Mount the boom to mast bracket (square tubing piece) to the center boom section,
using 8-32 X 2" screws, lock washers and nuts. Mount the boom to mast plate to this bracket
using 8-
32 x 1 ¼” screws, lock washers and nuts.
Note: There may be extra holes in the plate that
may be used for different applications.
8)
There are two sub-
boom brackets consisting of ½” aluminum angle and sub-boom
plates. Mount the angle brackets on the front and rear boom sections using 8-
32 x 1 3/8”
screws, lock washers and nuts. Mount the sub-boom plates to these brackets using 8-
32 x ½”
screws, lock washers and nuts.
9)
Mount the sub-
boom (3/4” thick wall aluminum square tubing) to the sub-boom brackets
and boom to mast plate using 8-
32 x 1 ¼” screws, lock washers and nuts. NOTE: Do not
tighten any of this hardware until sub-boom assembly is complete.
DO NOT, UNDER ANY CIRCUMSTANCES, APPLY ANY TYPE OF SEALANT OR COATING TO THE
DRIVEN ELEMENT, T-ARMS OR CONNECTOR ASSEMBLY, OTHER THAN KRYLON
®
CLEAR COAT. ANY OTHER COATING WILL ADVERSELY AFFECT THE SWR AND VOID YOUR
WARRANTY.
