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Page 73
CHAPTER TWELVE
SECTION 12.2
40/30 ELEMENT TRUSS KIT (continued)
ROUTING THE DACRON TRUSS CORD (continued)
When leveling the elements, use two adjustable wrenches as shown in
figure 12.26
. The wrench that is
placed on the thimble is held stationary, while the wrench that is on the frame of the turnbuckle is rotat-
ed. Adjust each turnbuckle a few turns at a time until the elements are level.
Be careful not to raise the elements so that the tips are above the EHU—this can cause water to drain
into your EHU during rainfall. When the elements are at the desired position, tighten the nuts on each
end of the turnbuckle frame as shown in
figure 12.27
. Be sure to do this with ALL turnbuckles, as this will
prevent the turnbuckle from unwinding. As a secondary measure, we recommend looping rope or wire
through the eye and frame of the turnbuckle as shown in
figure 12.28
.
In addition to the leveling of the elements, it is also important to ensure that the loops at the tip of the
telescoping poles are parallel to the boom. The best method for this is to loosen the quick disconnect
boots on the telescoping poles and twist the base of the pole until the loops are parallel to the boom.
Figure 12.29
shows a loop that is not parallel.
Figure 12.30
shows the loop being adjusted.
Figure 12.31
shows the level and parallel half of the 40/30 element.
When the position of the loops are as desired, tighten the quick disconnect boots firmly. Wait 30 minutes
and tighten again.
FIG. 12.27
FIG. 12.26
FIG. 12.28
FIG. 12.29
FIG. 12.30
FIG. 12.31
