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
128
of
240
10.3
Standard X
band
10.3.1
Antenna
The corrective maintenance
for the standard
LPA
-
A37 and LPA
-
A55
Low Profile Antennas is
restricted to keeping them clean and inspecting
for damage.
See
Planned Maintenance
Annual Maintenance
for cleaning and inspection details.
Standard
D
TX
TX
A3
A3
-
AXZX gearbox fitted with an LPA
-
A55 AAAA
10.3.2
Gearbox
The
DTX
-
A3
A3
-
AXZX and DTX
-
A3
A3
-
BXZX gearbox h
ousing
is
a cast enclosure
with
a
service
cover
that allows access to the
azimuth/ headi
ng line (ACP/
ARP) encoder and it connections.
There are no other electronic assemblies within the gearbox casing
.
The
X Band gearbox
comprises
of
the following
sub
-
assemblies
10.3.3
Spares listing
X Band
system description
Part number
Casing colour
Signal white
Casing colour
Silver Grey
Complete assembly
DTX
-
A3
A3
-
AXZX
DTX
-
A3
A3
-
BXZX
Antenna motor / gearbox assembly
55
55
-
100
-
0273
001
DTX
-
A186
Motor coupling gasket
55
55
-
100
-
0273
003
55
55
-
100
-
0273
003
RF rotary
Joint
Rotating joint gasket
DTX
-
A183
GTX
-
A1246
DTX
-
A183
64
64
GTX
-
A1246
Service access door seal
55
55
-
100
-
0311
001
Azimuth/ heading line quadrature encoder
GTX
-
A188
Door seal
55
55
-
100
-
0311
001
Tools:
In addition to the normal tools required for service and
maintenance work, the
following tools will be required:
M8/ 13mm
spanner:
Used for the removal of the transceiver service door.
1.5mm hex/ Allen key
: Grub screws retaining azimuth encoder.