Comtech EF Data HPOD - Manual (Page 148)

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.