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User Manual
Rev. 3.0 - 21/03/18
PJ5000U-K
9. Maintenance and repair procedures
9.1 Introduction
This section provides general information about maintenance and electrical settings
for the
PJ5000U-K
amplifier.
The maintenance is separated into two sections depending on the complexity
of the procedure and the instrumentation required for the test to complete the
maintenance.
9.2 Security Considerations
Dangerous voltages and high currents are present inside the amplifier, when it is
working; strong power RF signals are present, also.
WARNING:
Do not remove any covers without first turning the equipment off
and making sure that you have closed them all before restarting the equipment.
Be sure to disconnect the amplifier’s mains supply before proceeding to any
maintenance operation on the system.
9.3 Ordinary maintenance
The only regular maintenance required on the
PJ5000U-K
is the periodic blower
replacement and dust cleaning of the air filter and of any trace of it inside the
amplifier.
The frequency of these operations depends on the operating conditions of the
machine: like ambient temperature, dust level in the air, humidity, etc ...
It is advisable to make a preventive inspection every 6 months, and to replace the
blowers that has abnormal noises.
The blowers should be replaced, in case of problems, as soon as possible and in
any case not later than 24 months.
