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
127
of
240
Support the antenna
Ensure the antenna is fully supported ready to be lifted.
The LPA
-
1052 lifting supports
originally
supplied with
the antenna MUST BE USED.
A
rray
weight: 70Kg
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 are
washers as they are
required when reinstalling
the antenna.
Release waveguide coupling
Remove the three bolts that hold the waveguide
coupling together.
Separate the waveguide and remove the coupling bullet
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installation
kit.
When removing the bolts that retain the array to the
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array to be moved. This can
be of
assist
ance when
remov
ing
the RF bullet in the waveguide coupling.
CAUTION: The array
must be supported
at all
times
when removing any bolts and especially if the two
when removing any bolts and especially if the two
slotted guides are the only fasteners retaining the array
to the swing casting.
Waveguide coupling showing
9 LCC<K8 E;V- WI@E>
Example of swing casting
Loosen final bolts and remove antenna
Observing all safety requirements
and
ensuring the
antenna is
fully
supported and is ready for
lifting, remove and retain the 10 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.
Rotating
Joint
Flexwell to
antenna