User's Manual

SBS
-
900 Shore
Ba
Ba
sed
Radar Systems
Chapter
10
10
:
Corrective maintenance
KH
KH
-
1602 2
issue 1
:
Standard SBS900 Systems Operator & Maintenance Handbook
Page
125
of
240
X
-
band
Antenna
removal
In addition to the normal tools required for
installation and
service work, a
n
8.0mm hex
key will be required to
remove and
install the
X
-
band
LPA
Support the antenna
Ensure the antenna is fully supported ready to be lifted.
Antenna weight:
LPA
A37
-
xxxx 3.7m low profile antenna: 20Kg
LPA
A55
-
xxxx 5.5m low profile antenna: 30Kg
S band antenna shown for illustration
purposes
Release forward bolts
On both arms of the swing
casting,
remove
and retain
the 4 bolts
and washers
indicated
.
Retain these bolts and
washers as they will be
washers as they will be
required when reinstalling
the antenna.
S band antenna shown for illustration
purposes
Disconnect the 4 x 4BA bolts that connect the antenna
waveguide to the rotating joint.
waveguide to the rotating joint.
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will be required for refitting.
will be required for refitting.
Loosen final bolts and
remove antenna
Observing all safety requirements
and
ensuring the
antenna is
fully
supported and ready for lifting,
remove and retain the bolts and washers that hold the antenna onto the swing casting.
Retain these bolts and washers as they are required
for reinstallation of the antenna.
The antenna is now loose
and is ready to b
e
lifted.
The antenna should be carefully stored ensuring that the waveguide is not crushed, bent or
damaged. The antenna must never be handled by the waveguide.