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
97
97
of
240
SBS
900
Annual
planned maintenance
record sheet
Inspection sheet
10 of 10
Fan condition check
The
fan within the static inverter
located within the Radar
Distribution Unit has a service life
of approximately 30,000 hours.
The fan run time must be checked
and the fan replaced where
necessary.
Toshiba VF
S11 inverter
Radar distribution unit
F
an run
time
-
On the static inverter control panel press the
MODE
button twice and ensure that
Fr
Fr
F
is
displayed
-
Press the down (
$
) button once and the
cumulative operating hours will be
displayed.
The run
time will be indicated by
Tx.xx where:
T0.01
= 1 hour,
t1.00
= 100 hours
Record the run
-
time and proceed to the
next step
-
Press the down (
$
) button again and 4
single
height
lines should be shown:
The fan should be changed when the
last line
changes to a double height line:
If any of the first three lines are double height,
this indicates a potential fault condition within
the inverter which should be replaced.
If the recorded time is
>
30000
(t300.00)
hours
the fan must be
changed
Inverter display
Fan OK
Change fan
Inverter display
Change inverter
Task
Description
Result
Fan
condition
check
Inverter fan run time
(e.g. t0.50)
Fan inverter OK or Change fan
Please refer to
the C
orrective
M
aintenance
section
for details on changing the
inverter
fan.
Fan OK
Change
Change
fan
'
'