a. Disconnect the fan cable from the system board (see “System-board internal
connectors” on page 30).
b. While you support the system fan with one hand, pull the rubber grommet
away from the chassis to make it thinner; then, pull the fan toward the front
of the server to remove the rubber grommet through the hole on the
chassis. Repeat this step till all the remaining rubber grommets are
removed.
c. Lift the system fan up and out of the chassis.
7. If you are instructed to return the fan, follow all packaging instructions, and
use any packaging materials for shipping that are supplied to you.
Replacing the rear system fan
This procedure applies only to 4U server models with non-hot-swap power
supplies.
Attention: To ensure proper cooling and airflow, do not operate the server for
more than 30 minutes with the side cover removed.
To install the rear system fan on the 4U server model with non-hot-swap power
supplies, complete the following steps.
1. Read the safety information in “Safety” on page vii and “Installation
guidelines” on page 35.
2. The replacement fan comes with the rubber grommets installed; however, they
might have come out during shipment. If any of the rubber grommets are
missing from the fan, install them on the fan before you continue. Use
needle-nosed pliers to pull the grommets through the holes in the fan.
3. Position the fan so that the grommets protrude through the holes in the chassis;
then, use needle-nosed pliers to pull the grommets through the holes from
outside the chassis.
Pull to make it thinner
Outside
Figure 196. System fan removal for 4U server model with non-hot-swap power supplies
284 System x3100 M5 Type 5457: Installation and Service Guide
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