No. Descri
tion
2 Radial Clam
45 de
rees
4 Tube 7/16" x 17 1/8"
6Tube
l" O.D. x 60"
slotted
13 Bolt
X10-24 x 1/2"
hex
15 Lockwasher, X10, internal
16 Nut
X10-24
hex
Figure 1 Radial Clamp
Assembly
Figure 2
Mast-to-Mast Clamp
Select the 1" x 60" tube
Item
No. 6
.
Slip both radial assemblies over the bottom of
the 60" tube and position as shown in Figure 4
and Detail A. The unslotted end of the 60"
tube is the bottom. Determine the "B"
dimension from Figure 7. For example, at 146
MHz
B = 32 3/8"
822 mm
.
Tighten all screws in both radial assemblies
securely and evenly.
Select the mast-to-mast clamp, plate and as-
sociated hardware and loosely assemble them
as shown in Figure 2.
Slide the assembled mast-to-mast clamp over
the bottom end of the 60" tube as shown in
Figure 2 and securely tighten the four (4) 1/4"-
20
x 3/4" bolts, nuts and lockwashers (Item
Nos. 18, 20 & 21
.
NOTE: The end of the
1" x 60" tube (Item 6)
should be even with
the bottom of the mast-
to mast brackets (Item
1 and 3
.
No. Description
1 Mast-to-Mast Bracket Plate
1 1/8"
3 Mast-to-Mast Bracket Clam
1
6Tube
1" O.D. x 60"
slotted
18 Bolt, 1/4"-20 x 3/4", hex head
20 Lockwasher
1/4"
internal
21 Nut
1/4"-20
hex
23 U-bolt
5/16" x 2" x 211/16"
24 Lockwasher
5/16"
s
lit
25 Nut, 5/16"-18, hex