Maintenance Handbook

SBS-800 Series Operator & Planned Maintenance Handbook
Chapter 9: Planned Maintenance
KH-1601-2 Issue 6
Page 69 of 80
9.3 10-year Maintenance
CHANGING THE STATIC INVERTER IN THE RDU
In addition to the annual maintenance requirements indicated earlier in this section, after 10-years of
use, the static inverter located within the Radar Distribution Unit must be changed as over time, the
electrolytic capacitors within the inverter can dry out.
Please contact Kelvin Hughes Ltd for details or to arrange for an engineer to change the inverter.
When contacting Kelvin Hughes Ltd please ensure that you have the full part and serial number of the
Radar Distributing Unit as this assists in identifying the inverter fitted within the equipment.
The following can be used to record when the system was installed and when inverter replacement is
necessary.
10 YEAR INVERTER REPLACEMENT RECORD
Radar Distribution Unit
Part number
Serial Number
System Installation Date
(dd/mm/yyyy)
Change inverter by
(dd/mm/yyyy)
WARNING
Replacement Part/Spares
Only Kelvin Hughes Ltd approved inverters must be used. The installation of an unapproved inverter
can cause irreparable damage the system.
WARNING
AC VOLTAGES
Lethal single phase and antenna motor AC supplies are present within the inverter.
CAUTION
INVERTER REPLACEMENT
The inverter must be replaced by a suitable qualified technician.
NOTICE
Do not dismantle the inverter.
The inverter is a factory sealed unit that contains no serviceable or replaceable parts