Comtech EF Data HPOD, Installation And Operation Manual

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HPOD C-, X-, Ku-Band High-Power Outdoor Amplifier
Revision 9
Appendix C C–4 MN/HPOD.IOM
C.3 Replace the Fan Assembly
The fans used by the HPOD are designed for long life even in harsh environments. Still, they are
mechanical devices subject to wear and may need replacement after several years. In dusty
environments, their removal facilitates clearing the heat sink of accumulated dust.
C.3.1 Remove the Old Fan Assembly
Figure C-2. Remove the Old HPOD Fan Assembly
To remove the old fan assembly, do these steps:
Step Task
1 Disconnect the HPOD SSPA from its power source.
2 Loosen the six captive fasteners where shown in Figure C-2 .
Be sure to use an appropriate screwdriver, such as the one
provided with the SSPA, to avoid damaging the fasteners.
3 Remove the fan assembly far enough so that you can gain access to the fan’s two circular
connectors.
4 Disconnect the fan’s circular connectors, and then remove the fan assembly.