C.4 scheduled maintenance – Comtech EF Data HPOD User Manual
Page 148
![background image](/files/778917/content/doc148.png)
HPOD C-, X-, Ku-Band High-Power Outdoor Amplifier
MN/HPOD.IOM
Appendix C
Revision 8
C–6
C.4
Scheduled Maintenance
The SSPA heat sink should be cleaned once a year or sooner, depending on
environmental conditions.
To perform this maintenance, do these steps:
Step
Task
1
Disconnect the HPOD SSPA from its power source.
2
Remove the power supply as instructed in Sect. C.2.1.
3
Remove the fan assembly as instructed in Sect. C.3.1.
4
Use compressed air to clear the heat sink portions of the power supply.
5
Use compressed air to blow through the SSPA heat sink to remove any foreign object accumulation
that may be obstructing airflow.
6
Re-install the power supply as instructed in Sect. C.2.2.
7
Re-install the fan assembly as instructed in Sect. C.3.2.
8
Reconnect the HPOD SSPA to its power source.