Removing the Plenum
5-18
Stratus ftServer 2600, 4500, and 6300 Systems: Operation and Maintenance Guide
(R639)
5. Tighten the two thumbscrews at the front of the enclosure and the one at the back.
6. Replace the CPU-I/O enclosure and the bezel.
Removing the Plenum
The plenum is an air baffle that you must remove to access the DIMMs, the CPU-I/O
enclosure power supply, or the CPU-I/O enclosure fans. See the following topics:
• “Removing the Plenum” on page 5-18
• “Replacing the Plenum” on page 5-19
Estimated time: Seven minutes.
Tools: Phillips head number 2 screwdriver.
Use ESD precautions when performing this procedure.
Removing the Plenum
1. Remove the bezel, CPU-I/O enclosure, and CPU-I/O enclosure cover.
2. Lift the plenum (number 1 in Figure 5-10) out of the enclosure, pulling on its lower
sides to free them from their settings, if necessary.