CUSHCRAFT 17b2 - Assemble Boom to Mast Mount; Assemble Braces

t7B2
#4
I
ASSEMBLE
BOOM
TO
MAST
MOUNT
Assemble and
mount the
boom
to mast
clamp bracket (20)
between
elements
10 and
11 with the
U-bolts
401
as shown
in figure E.
Secure
with flat washer (104),
lock
washer
(84)
and
nut
(85)
in that order.
Note
that the rear
of the
mast clamp
must be 3-1/2
inches
(8.9
cm)
from
element
10 as shown
on figure
D. You
are now
ready to mount
the
antenna
to
your
mast
using
the
U-bolts
404. Secure
with lock
washer
(119)
and nut
('118)
in that
order.
Affix
the warning
label
(326)
to rhe
boom as
shown in
figure E.
118
fl
FIGURE
E
KEY
P/N
DISPLAY
DESC
stzE
OTY
84 01
0084
æ
SS
LOCK
WASHER
114"
(.64
cm)
4
85
01 0085
ffi
SS
HEX
NUT
114"
(.64
cm)
4
104
01 01 04
@
SS
FI.AT
WASHER
114"
(.64
cm)
4
118 010118
ffi
SS
HEX
NUT
5/1 6"
(.79
cm)
4
119
010119
æ
SS
LOCK
WASHER
5/1
6',
(.79
cm)
4
401
01 0401
SS
U-BOLT
1 1/2"
x 3'
(3.8
x 7.6
cm)
2
4M 01 0404
SS
U-BOLT
2112'x3"
(5.5
x 7.6 cm)
2
70
1 90070
MOUNTING
PLATE
4"x6*
(10.2
x 15.2
cm)
1
326 m326
DANGER
LJqBEL
1
#5
I
ASSEMBLE
BRACES
Assemble
the
mast braces
using
figure
F. lf
you
stack two 1782's,
you
may opt to
place
the braces
above
rather
than below
the boom
.
First
place
a
worm
clamp
(409)
on the slotted
end of tubes
BH. Then insert
the tubes
BJ into
the
slotted ends
of tubes
BH,
set to the dimensions
shown and
tighten
the clamps.
Next
attach
the other
end of tubes
BH to
the
boom
at
the
positions
shown
in figure
F using
clamps (647),
screws
(23),
washers
(41)and
nuts
(11)as
shown
in figure
G.
-t.
I
1"
(2.54
cm)
-c14
BOLT
CENTER
BOLT
CENTER
1 00'
BOLT
CENTER
BOLT
CENTER
KEY
P/N
DISPLAY
DESC
SIZE
OTY
BH
ALUM
TUBING
718" x72"
(2.2
x'183
cm)
2
BJ
lol\--.---
ALUM
TUBING
3/4'x
36"
2
11 01 001 1
ffi
SS
HEX
NUT
8-32
I
41
01 1 941
æ
SS
LOCK
WASHER
#8
16
123
01 01
23
flnmmrmmmmrn
SS
SCREW
8-32x1-112"
(3.8
cm)
8
æ7
1 91 647
l
r\l
â
BRACE
CLAMP
4
(254
cm)
FIGURE
F