CPI T02KO, Руководство по установке и эксплуатации

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KA BAND OUTDOOR TWT AMPLIFIER
( AC Power Off Task ) Perform the following visual inspection:
1. With the AC power removed, check that all connector plugs are properly seated in
their mating connectors and have not been damaged. Have the service technician
replace any bad connector plugs and reset any that are dislodged.
2. Inspect cables for signs of discolored, broken, or bad insulation. Have a service
technician repair or replace as needed.
3. Look for signs of dirt or moisture contamination, which can cause short-circuiting,
arcing, corrosion, or overheating. Clean contaminated areas with a lint-free cloth, a
small vacuum cleaner, or a compressed-air blower at low pressure.
4. Inspect all waveguide for discoloration, cracks, loose connectors, and improper
sealing. Have a service technician tighten or replace waveguide as required.
5. Check for other defects. These include, but are not limited to, wear, breakage,
deterioration, fungus, excess moisture, and mounting integrity. Contact your
service technician for repairs.
6.2.2 Air System Maintenance
The air path should be checked and cleaned with dry compressed air every three months.
(
AC Power On Test ) The amplifier airflow system must be open to ensure proper transfer of heat to
the air stream created by the fan. Periodically inspect and eliminate any airflow constraints. After
inspection and cleaning, verify that airflow is strong and unimpeded.
The recommended cycle is three months but inspection may be required more often if local air
pollution warrants it. To verify proper TWT cooling proceed as follows:
6. Put the amplifier in STANDBY mode and allow the TWT to cool; then set the
amplifier main power to OFF.
7. Visually check the TWT heatsink fins. Check for build up of foreign material that
creates a reduction in airflow. If there are air flow restrictions or extensive dust
deposits, have the service technician remove the Amplifier fan shroud and/or fan
assembly and clean the fins with a small vacuum cleaner or compressed air.
8. Monitor the operation of the fan with AC power ON.
9. With the amplifier in STANDBY State, verify that the fan is operating smoothly. If a
mechanic's stethoscope is available, check for bearing rumble (which indicates
wear). If a fan is faulty, have the service technician replace it
10. Check for dust in the fan assembly. An accumulation of dust is a sign that the TWT
heatsink fins need more frequent cleaning.
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