SteppIR 2 Element Yagi - Section 6.2: Attaching sweeps and diverters to fiberglass

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Section 6.2: Attaching sweeps and diverters to fiberglass
SKIP TO PAGE 37 IF YOU DO NOT HAVE THE 40/30 LOOP
8. Use the glue kit (PN 72-0009-03) to attach the sweep diverters (PN 10-1511-01) to the tips of the fiberglass tele-
scoping poles as shown in Figure 6.21. ONLY APPLY GLUE TO THE OD OF THE FIBERGLASS. Slowly rotate
the sweep diverter as you slide it onto the pole to let the glue cover the most surface area possible. MAKE SURE
THE SWEEP DIVERTER IS PUSHED AS FAR DOWN ONTO THE FIBERGLASS POLES AS POSSIBLE. The
sweep diverter should be oriented in the same way as shown in the figure below, with the flanged edge towards the
rest of the pole. Be sure the glue has dried completely before moving onto the next steps. The glue is not meant
to lock the sweep diverter on the pole, it is only meant to prevent the sweep diverter from moving during
the heat shrinking process.
9. Put a piece of polyolefin heat shrink 1.1” x 6” (PN 10-1059-21) onto the telescoping pole, leaving the diverter
clear. It should be down on the pole far enough that it doesn’t interfere with fitting the diverter into the sweep as
shown in Figure 6.22.
10. Insert the fiberglass pole, with the sweep diverter on it, into the sweep as far as possible as shown in Figure
6.23. DO NOT GLUE THE SWEEP DIVERTER INTO THE SWEEP. Reposition the heat shrink to cover the joint.
11. Shrink the polyolefin heat shrink over the joint as described on step 6 on the previous page; LEAVE AT LEAST
3.5” OF HEAT SHRINK ON THE SWEEP SIDE OF THE JOINT as shown in Figure 6.24. Be EXTREMELY careful
not to overheat the poly sweep, you will deform or kink the material if too much heat is applied (if this occurs
you will need to undo your work and replace the poly sweep).
12. Remember, the heat shrink will want to slide as it’s heated. Reposition it as it cools to make sure the joint is fully
covered. The heat shrink will be hot; wear insulated gloves.
Only apply glue to the
OD of fiberglass pole!
SWEEP
DIVERTER
FIBERGLASS
POLE
Figure 6.21
PREPARING THE TELESCOPING POLE
*Some older versions may
have a slightly different
sweep diverter—an image of
those versions is found at
the bottom of the page in
Figure 6.25. The process is
the same, the only change is
the thickness of the shoulder
on the part.
Figure 6.23
Old style sweep with shorter shoulder
Figure 6.25
Figure 6.24
1.1” HEAT
SHRINK (not
shrunk)
Figure 6.22