Ross ACO-4400A, User Manual, Page: 31 / 112

ACO-4400A User Manual (Iss. 03) Physical Installation • 2–13
Replacing a Power Supply
If you need to replace a power supply, you must remove the faceplate from the chassis to gain
access to the power supplies. This section summarizes how to replace a power supply in your
ACO-4400A.
To replace a power supply
1. Loosen the four front screws on the control panel faceplate.
Figure 2.9 Faceplate — Location of Screws
2. Remove the faceplate by gently pulling it towards you and away from the chassis. The
screws are self-retained in their holes.
Figure 2.10 Removing the Faceplate
3. Each power supply includes two screws that must be loosened before the power supply
can be removed from the chassis. (The screws are self-retained in their holes.) Refer to
Figure 2.11 for the screw locations on each power supply.
Figure 2.11 Screw Locations on Each Power Supply
4. Remove a power supply by gently pulling it towards you and away from the chassis.
Figure 2.12 Removing the Power Supplies from the Chassis
5. Install the new power supply as follows:
a) Sliding the new power supply into the available slot.
b) Secure the power supply into its slot via the provided screws.
ACO-4400A AUTO CHNG
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ACO-4400A AUTO CHNG
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