Chapter 5. Maintenance; Power Supply Removal - Comtech EF Data C Installation And Operation Manual

5.1 P S
OWER UPPLY
CEFD's HPOD series of outdoor SSPAs features field-replaceable power supply modules.
To remove the supply:
Step Procedure
1 Disconnect power from the SSPA
2 Loosen the four captive fasteners as indicated in Figure 5-1.
Note: Be certain to use an appropriate screwdriver, such as the one provided with the
SSPA, to avoid damaging the fasteners.
3 The supply can now be pulled from the SSPA.
The SSPA/power supply interconnection is waterproof only when the supply
and SSPA are mated. When exposed, the connection is only water resistant.
Neither the SSPA nor the power supply should not be left exposed to the
IMPORTANT elements unless mated.
To install the supply:
Step Procedure
1 Visually inspect the exposed SSPA heat sink for any debris/ blockage. Clean as
required.
2 Visually inspect both the SSPA and power supply connector for damage/cleanliness.
Correct/clean as required.
3 Inspect the gasket for damage. Replace as required
4 Place supply on SSPA, ensuring the guide pins and connection are properly aligned.
Gently press to engage the connector.
5 Tighten the four captive fasteners as indicated in Figure 5-1.
Note: Be certain to use an appropriate screwdriver, such as the one provided with the
SSPA, to avoid damaging the fasteners.

Chapter 5. Maintenance

R
EMOVAL
5–1