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AR-270B

26

190026

ALUMINUM

2

BRACKET

77

050077

PLASTIC

3/8"

1

CAP

(.95 cm)

84

010084

LOCK

1/4"

3

WASHER

(.6 cm)

85

010085

HEX

1/4"

3

NUT

(.6 cm)

227 010227

SELF TAPPING

#8 x 1/2"

2

SCREW

(.1.3 cm)

326 290326

DANGER

1

LABEL

407 030407

SS WORM

5/8"

1

CLAMP

(1.6 cm)

409 030409

SS WORM

3/4"

1

CLAMP

(1.9 cm)

971 082971

RADIAL

6-3/4"

3

RODS

(17.1 cm)

BA

BASE

1

ASSEMBLY

TA

MIDDLE

1

ASSEMBLY

TB

TOP

1

ASSEMBLY

#1 - ANTENNA ASSEMBLY

     Install nut (85) then washer (84) onto each of the three
radial rods (971) per figure 1.  Thread all three radials an
equal amount into the base assembly (BA) until they touch
each other inside the base tube.  Be very careful not to
overtighten the radial rods or their
locking nuts.  Overtightening may
cause damage not covered by the
warranty.

     Attach aluminum brackets (26)
to the base tube with self-tapping
screws (227).  Affix danger label
(326) as shown in Figure 1.

Figure 2

     Slide worm clamp (409) over
the top tube of the base assem-
bly (BA).  Insert the non-slotted
end of tube TA into BA.  Refer-
ring to figure 2, set dimension A
to 18-1/8" (46 cm) and tighten
worm clamp.  Slide worm clamp
(407) over the open end of TA
and insert the shorter aluminum
tube section of TB into TA.  Set
the B dimension to 12" (30.5 cm)
and tighten clamp.

KEY      P/N                 DISPLAY                     DESC                     SIZE             QTY

Figure 1

326

85

84

971

227

26

227

26

BA

TB

407

TA

BA

77

409

A

18-1/8"

(46 cm)

B

12"

(30.5 cm)

NOTE:

Drain holes

must face

down.

Do not block
these holess

Summary of Contents for AR-270B

Page 1: ...951374 10 93 C O R P O R A T I O N AR 270B DUAL BAND RINGO 70 CM 2 METER ASSEMBLY AND INSTALLATION ...

Page 2: ...zed beam antennas If you side mount this antenna on a tower it will require a short mast secured at two points The mast should be kept at least 1 4 wavelength or 20 inches 51 cm away from the tower SYSTEM GROUNDING Direct grounding of the antenna mast and tower is very important This serves as protection from lightning strikes and static buildup and from high voltage which is present in the radio ...

Page 3: ...ase tube Be very careful not to overtighten the radial rods or their locking nuts Overtightening may cause damage not covered by the warranty Attach aluminum brackets 26 to the base tube with self tapping screws 227 Affix danger label 326 as shown in Figure 1 Figure 2 Slide worm clamp 409 over the top tube of the base assem bly BA Insert the non slotted end of tube TA into BA Refer ring to figure ...

Page 4: ...ip the vinyl boot over the connector and against the connector bracket for a weather tight connection If you plan to install the antenna in a salty or corrosive environment you may want to consider coating it with a clear marine varnish or equivalent after it is as sembled 115 050115 CONNECTOR 1 BOOT 116 240116 SILICONE 1 PACKAGE 81 032881 WORM 3 2 CLAMP 7 6 cm KEY P N DISPLAY DESC SIZE QTY cushcr...

Page 5: ...ft Corporation will at its option repair or replace the antenna at its expense within thirty days of the date the antenna is returned at purchasers expense to Cushcraft or one of its authorized representatives This warranty is in lieu of all other expressed warranties any implied warranty is limited in duration to one year Cushcraft Corporation shall not be liable for any incidental or consequenti...

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