User's Manual

SBS
-
900 Shore
Ba
Ba
sed
Radar Systems
Chapter
9
:
Planned maintenance
KH
KH
-
1602 2
issue 1
:
Standard SBS900 Systems Operator & Maintenance Handbook
Page
113
of
240
9.6.3
Power Supply Fans
5
-
year maintenance:
Changing the
RDU PSU fans
Inspection sheet
1 of 1
PSU fans:
Regardless of t
he inverter fitted within
the system, t
he two fans mounted on
the
power supply
unit
within the RDU
have
a
manufacturers MTBF of 50K
hours.
Radar Distribution Unit Power Supply
Radar distribution unit
Fan fail:
In the event of a failure,
a
fan failure
warning is
displayed on
the RDU
front
panel
, service displa
y or command and display system. The power unit
continues to operate when a fan fails; t
he faulty
unit must be
replaced
as
soon as possible
.
Replacement:
T
he
he
se
se
fans
must be
changed
every
5 year
s as part of a
routine maintenance
schedule.
Procedure:
The procedure for replacing the fan is detailed in section
10.8.7.4
p
age
193
.
Fan replacement
Fan replacement part
number:
45
45
-
690
-
0080
003
(Order x2 for replacement)
Note: The replacement part is the fan only and does not contain the casework which must be
removed from the
old
fan.
Fan replacement date
(DD/ MM/ YYYY)
Changed by:
Print:
Sign: