Andrew 75E LFL Antenna Manual de instruções de montagem - Página 4

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ANTENNA ASSEMBLY

1
Reflector
M8 x 80 mm
(3.15 inch)
Plow Bolt
(2 Places)
M8 x 60 mm
(2.38 inch)
Plow Bolt
Lower Areas
(2 Places)
Place reflector on flat surface or table. Attach AZ/EL mount to reflector using (2) M8 x 80 mm (3.15 inch) and (2)
M8 x 60 mm (2.38 inch) plow bolts, (4) skew lock clips, (4) lock washers and (4) M8 hex nuts. The 80 mm (3.15 inch)
plow bolts are inserted through the top two holes of the reflector and the 60 mm (2.38 inch) plow bolts are inserted through
the lower two holes. The AZ/EL mount is secured to the reflector with (4) skew lock clips as illustrated in the rear view detail
above. Loosely tighten nuts.
2
The feed polarization will need to be
set according to the site requirements.
The feed is factory pre-assembled for
horizontall transmit as shown in figure A.
If the site requires vertical transmit, then the
initial setting should be as shown in B, with the
"V" aligned with "0". To change the polarization
settings, loosen the four M4 Phillips head clamp
screws one turn and rotate until the "0" mark on
the clamp half is aligned with the corresponding
polarity mark on the horn neck. Alternately tighten
between the four M4 clamp bolts and torque to
12-16 in-lbs. DO NOT OVERTIGHTEN!
Once the feed polarization is set. Insert support arm Into notch located on bottom of reflector. Attach support arm to
reflector with M8 x 70 mm hex head screw, lock washer, flat washer and M8 hex head nut. Tighten securely.
Support Arm
AZ/EL
Mount
Skew
Lock Clip
(4 Places)
M8 Lock
Washer
(4 Places)
M8 Hex Nut (4 Places)
A
Horizontal Polarity Tx
Reflector
3
REAR VIEW DETAIL
Skew
Alignment
Mark
M8 x 60 mm
(2.38 inch)
Plow Bolt
Lower Areas
(2 Places)
Skew
Lock Clip
(4 Places)
M8 Lock Washer
(4 Places)
Align
"H"and
"0"

DETAIL VIEW

M8 Flat
Washer
M8 Lock
Washer
M8 x 70 mm
Hex Head
Screw
AZ/EL
MOUNT
M8 Hex Nut
(4 Places)
B
M4 Phillips
Head Clamp
M4 Phillips
Screws
Head Clamp
(2 Places)
Screws
(2 Places)
Vertical Polarity Tx
M8 Hex
Head Nut