Installing The T640 Quiet Upper Front Fan Tray; Figure 129: Removing The Quiet Upper Front Fan Tray - Juniper T640 Hardware Manual

T640 Core Router Hardware Guide
244
Grasp both sides of the fan tray, and pull the fan tray out of the chassis approximately
3.
1 to 3 inches.
WARNING: To avoid injury, keep tools and your fingers away from the fans
as you slide the fan tray out of the chassis. The fans might still be spinning.
Press the two latches located on each side of the fan tray up to release the fan tray
4.
from the chassis.
When the fans stop spinning, place one hand under the fan tray to support it and pull
5.
the fan tray completely out of the chassis.

Figure 129: Removing the Quiet Upper Front Fan Tray

Installing the T640 Quiet Upper Front Fan Tray

To install a quiet upper front fan tray (see
Attach an electrostatic discharge (ESD) grounding strap to your wrist, and connect
1.
the strap to one of the ESD points on the chassis.
Locate a quiet upper front fan tray labeled
2.
Press the two latches located on each side of the quiet upper front fan tray up, and
3.
insert the fan tray straight into the upper front fan tray slot.
Tighten the captive screws on each side of the fan tray faceplate to secure it in the
4.
chassis.
Figure 130 on page 245):
FAN-T-FTOP-S UPPER FANTRAY
Copyright © 2013, Juniper Networks, Inc.
.