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Installing a Fan
NOTE
A general rule about the correct airflow direction: the removable fan
pulls air from in front of the chassis so that it flows across the boards and out
the back. Thus, the fan must be oriented for the correct airflow direction. If
you place the fan so the label faces the back of the chassis, this should
provide the correct orientation. You can confirm this by checking the
embossed arrows on the side of the fan as you place it in its bracket:
⇒ ⇒
Arrow points horizontally toward back of chassis
⇑ ⇑
Arrow points vertically up
Replace a failed fan with the same type as the one removed, with a
tachometer signal, or an approved fan. For a list of approved fans, contact
your customer service representative.
1. Position the cable side of the fan, label-side facing the card guides, over the plastic guide posts
in the fan housing. Thread the fan power cable through the two openings on the side of the
housing, as shown in the figure. Do not pinch the cable as you snap the fan into the housing.
2. Insert the assembly's inner edge plastic tabs, the ones near the fan cable, into the slots in the
chassis.
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Figure 17. Installing Fan
OM05098
Working Inside the System
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