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PDF XM520 Data sheet ( Hoja de datos )
| Número de pieza | XM520 | |
| Descripción | 20 METER 5 ELEMENT YAGI | |
| Fabricantes | Cushcraft | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de XM520 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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ASSEMBLY &
INSTALLATION
XM520
20 METER 5 ELEMENT YAGI
COMMUNICATIONS ANTENNAS
951484 (11 /98)
Free Datasheet http://www.datasheet4u.com/
1 page  
XM520
82
82
84
82
84
84
82
84
Figure 1D
592
509
85
85
588
84
84
588
509
Tighten
99 LAST Tighten
99 SECOND
99
99
85
99
Tighten
FIRST
99
509
#1 BA
26
BD #2
BB BC
BE #3
BB
BE
#4
82
84
82
84
82
84
82
84
592
509
Leave out
until Step #6
85
85
Figure 1E
84
588
#5
BA
26
BD
99
99
99 99
ID Part #
82 010082
84 010084
85 010085
99 014399
Description
Hex
Bolt
SS Lock
Washer
SS Nut
SS Lock
Nut
Dimensions
1/4-20 x 1”
(.6 x 2.5 cm)
1/4”
(.6 cm)
1/4-20
(.6 cm)
1/4”
(.6 cm)
Qty
20
28
10
28
ID Part #
509 324509
588 014588
592 014592
4
Description Dimensions Qty
Aluminum 4” x 5-1/4 x 3/16” 10
Bracket (10.2 x 13.3 x .5 cm)
SS Hex
Bolt
1/4” x 3-1/2”
(.6 x 10.2 cm)
8
SS Flat
Washer
1/4” (1/8” thick)
(.6 x .3 cm)
8
Free Datasheet http://www.datasheet4u.com/
5 Page 
XM520
6 - Boom Truss Assembly
Figure 6 illustrates the boom truss assembly.
Refer to the boom truss assembly parts list
for the hardware required. The XM520 uses
Phillystran® cable to guy the boom. The cable
is one continuous piece from one boom end
to the other. Note the Phillystran cable safety
loop that goes around the mast truss bracket.
209
208
207
209
208
207
23 59
24
24
Figure 6
91
35 3209
2”
(5.1 CM)
24
24
24
40
SAFETY
LOOP
59
23
Load bearing
strand lays in
bottom of saddle.
Bottom of saddle
Attach the truss bracket (91) to the mast 3 feet (1m) above the boom to
mast clamp using the 3/8" hardware provided. Position the truss bracket
on the same side of the mast as the boom to mast clamp. Unscrew the
turnbuckle ends until there is 1/2" (1.2 cm) of thread remaining. Place
the jaw of each turnbuckle (23) into the holes of the truss bracket. Place
a thimble (59) on the eye of each turnbuckle. Place three loose cable
clamps (24) onto the cable end. Reference Figure 6 and place the cable
clamp saddle over the load bearing cable. The load bearing cable is the
cable that attaches to the boom end. Feed the cable through a turnbuckle
eye. Run the cable back through the cable clamps. Place three additional
cable clamps on the end of the cable. Feed the cable through the other
turnbuckle eye. Run the cable back through the cable clamps. Feed
enough cable through these parts until the center of the Phillystran cable
coil is located at the truss bracket. Insure there is enough slack in the
cable to form a loose safety loop between the turnbuckles. Tighten the
cable clamps beginning with the clamp closest to the thimble.
ID Part #
40 PS40
24 024624
23 024623
91 194791
35 170035
59 024259
207 010207
208 010208
209 010209
3209 013209
Description Dimensions Qty
Phillystran
Cable
1/8” x 40’
(.3 x 10.7m)
1
Cable
Clamp
1/8”
(.3 cm)
12
Turnbuckle
5/16”-4”
(.79-10.2 cm)
2
Truss 2” x 42” x 1/8” 1
Bracket (5.1 x 10.2 x .3 cm)
Aluminum
V-Block
3-1/2”
(8.9 cm)
1
Thimble
1/8”
(.3 cm)
4
SS Flat
Washer
3/8”
(.95 cm)
2
SS Lock
Washer
3/8”
(.95 cm)
2
SS Nut
3/8”
(.95 cm)
2
U-Bolt
2-7/8”
(7.3 cm)
1
Refer to Figure 1E for attachment of the cable to the boom ends. Place a thimble (59) on the 1/4-20 x 1" bolt. Place three loose cable clamps
(24) onto the cable end. Feed the cable end through the element bracket and around the thimble. Run the cable back through the cable
clamps. Tighten the cable to remove the majority of the sag from the boom. Space the cable clamps 2 inches (5.1 cm) apart. Insure the load
bearing cable is seated in the cable clamp saddle as shown above. Tighten the cable clamps beginning with the clamp closest to the thimble.
Cut off excess cable 2” (5.1 cm) after the third cable clamp.
Adjust each turnbuckle to bring each boom end level with the center. Phillystran cable has a minimal amount of stretch over time. A safety
wire can be placed through the turnbuckle openings to keep the turnbuckles from unscrewing.
10
Free Datasheet http://www.datasheet4u.com/
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet XM520.PDF ] | |
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