Chapter 3 ______________________________________________________ Installation of the Mast
VAISALA _______________________________________________________________________ 67
Assembling the Lightning Rod
Lightning protection is provided with a well-grounded lightning rod
placed to the highest point of the mast. The lightning rod is
completely insulated from other mast construction and separately
connected to its own lightning ground rod(s) several meters away
from other equipment ground rod(s). A 25 mm² grounding cable is
routed down from the top of the mast via the insulated guy wire. See
Figure 55 on page 69.
To install the lightning rod, follow the procedure below:
1.
Slide the lightning rod to the holes in the holders. See Figure 53
below.
2.
Attach the lightning rod to the holders with the bolts (number 1
in Figure 53 below).
3.
Slide the obstruction light holder (2) to the mast between the
lightning rod holders and tighten the nuts (3).
0306-031
Figure 53
Lightning Rod Installation to the Mast
4.
Secure the holders to the mast with the bolts in the clamps (4).
5.
Check that the dimensions for the installed lightning rod are as
illustrated in Figure 54 on page 68.
