Replacing The Rear System Fan - Lenovo System x3100 M4 Installation And Service Manual

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 4U server models with non-hot-swap power supplies, complete the
following steps.
1. 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.
2. Carefully turn the server on its side so that it is lying flat, with the cover facing up.
Attention: Do not allow the server to fall over.
3. Remove the side cover (see
4. Remove the air duct.
5. 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.
Rear system Fan
6. Connect the fan cable to the system board (see
location of the rear fan connector).
7. Install any adapters that you removed (see
8. Install the air duct.
9. Install the side cover (see
10. Stand the server back up in its vertical position.
System x3100 M4 Installation and Service Guide
188
"Removing the side cover" on page
Rubber
grommets
"System-board internal connectors" on page 25
"Replacing a ServeRAID adapter" on page
"Replacing the side cover" on page
145).
147).
for the
155).