Page 2-2 CL40 Antenna Technical Instruction Manual
Issue 3.0 Section 2 Preparation for Use and Installation
(a) Unpack the antenna components. Use the
parts lists in Section 3 to verify all
components have been received.
(b) Install the winch assembly (item 19) on
top of the anchor post using the hardware
provided. See Figure 2-4.
(c) Mount the bottom clamp assembly (item
20) less the outer saddle to the anchor
post approximately eight inches up from
the top of the concrete. See Figure 2-5.
(d) Remove the 1/2” x 9-1/2” stainless bolt
from the bottom clamp assy (item 20) and
install the lower mast section (item 30)
with the notch pointing up. Install the 1/2”
locknut until a few threads protrude past
the end of the nut. Install the two lower
mast splices (item 17) to the lower mast
section using two 5/8 x 6 galvanized bolts
with 10 (5 per) galvanized flat washers, 2
galvanized split washers and 2
galvanized nuts (items 57, 65, 63 & 64).
See Figure 2-6. Leave the bolts loose.
Insert the lower mast section, upper half
(item 31) into the splice and bolt in place
with two 5/8x6 galvanized bolts with 10
(5 per) galvanized flat washers,
2 galvanized split washers and 2
galvanized nuts (items 57, 65, 63 & 64).
Tighten the joint.
(e) Install the mast insulator assembly (item
11) by inserting the end with the spark ball
completely into the upper end of the lower
mast section (item 31). Rotate the
insulator assembly until the lightning spark
ball faces the ground. Attach the Lifting
Bracket (item 15) and the Lightning
Bypass Bracket (item 28) using two 5/8" x
6" galvanized bolts complete with 8
galvanized flat washers (2 per side), 2
galvanized split washers and 2 galvanized
nuts (items 57, 65, 63 & 64) to the lower
mast section. See Figure 2-7.
NOTE
Mount the lifting bracket on the same side as
the notch on the bottom of the lower mast
section so that it points up.
(f) Attach the winch cable to the lifting
bracket and, using the winch, raise the
lower mast section so that the end is
about 3 ft (1 m) from the ground.
(g) Attach the upper down lead insulator
assembly (item 18) to the lower mast
section approximately 5 ft below the
bottom hole in the lifting bracket.
Position the insulator so that it points at
the ground and on the same side of the
lower mast as the winch handle. Repeat
with the lower downlead insulator assy,
however position it about 7 ft from the
bottom of the lower mast section.
(h) Connect the two sections of the upper
mast (items 32 & 33) together using two
upper mast splices (item 12) and four
5/8"x 4-1/2" galvanized bolts with 8
galvanized flat washers, 4 galvanized
split washers and 4 galvanized
nuts.(items 60, 65, 63 & 64). Install
bonding lead (item 37) across upper
splice using two gear clamps (item 47).
See Figure 2-8.
(i) Insert the upper mast assembly (item
32) into the top of the mast insulator.
Insert the Install the 5/8 x 5” galvanized
bolt (item 66) into the bottom hole, just
above the weather protector assembly,
complete with flat washers (qty 5; 2 on
bolt head side, 3 on nut side), a split
washer and a nut (items 65, 63 and 64).
Place the two lugs from the lightning
bypass wires (from top and side of the
weather protector assembly) and one
galvanized flat washer (item 51) on a 3/8
x 5” galvanized bolt (item 55) and insert
into the middle hole just above the
weather protector assembly. Tighten in
place with 3 flat washers, a split washer
and nut (items 51, 50, 49). Insert the 5/8
x 4-1/2 galvanized eyebolt (item 48) into
the upper hole complete with a flat
washer and split washer (items 65 and
63). Thread on and tighten the 5/8
galvanized eye nut (item 52). Attach a
bonding lead (item 10) from the upper
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