Juniper T640 - Figure 143: Removing the Quiet Upper Front Fan Tray; Installing the T640 Quiet Upper Front Fan Tray

4. Press the two latches located on each side of the fan tray up to release the fan tray
from the chassis.
5. When the fans stop spinning, place one hand under the fan tray to support it and pull
the fan tray completely out of the chassis.
Figure 143: Removing the Quiet Upper Front Fan Tray
g006048
FA N T-F T OP -S
UPPER FA NTR AY
Installing the T640 Quiet Upper Front Fan Tray
To install a quiet upper front fan tray (see Figure 144 on page 304):
1. Attach an electrostatic discharge (ESD) grounding strap to your wrist, and connect
the strap to one of the ESD points on the chassis.
2. Locate a quiet upper front fan tray labeled FAN-T-FTOP-S UPPER FANTRAY.
3. Press the two latches located on each side of the quiet upper front fan tray up, and
insert the fan tray straight into the upper front fan tray slot.
4. Tighten the captive screws on each side of the fan tray faceplate to secure it in the
chassis.
303Copyright © 2017, Juniper Networks, Inc.
Chapter 26: Replacing Cooling System Components