Juniper MX240 - UPGRADING User Manual

4. Press on the two latches located on the inside of the fan tray to release the fan tray
from the chassis.
5. Place one hand under the fan tray to support it, and pull the fan tray completely out
of the chassis.
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.
NOTE: To prevent overheating, install the replacement fan tray immediately
after removing the existing fan tray.
Figure 8: Removing an Upper Fan Tray
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To install the fan trays (see Figure 5 on page 6 and Figure 9 on page 10):
1. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
the strap to one of the ESD points on the chassis.
2. Grasp the fan tray on each side, and insert it straight into the chassis. Note the correct
orientation by the "this side up" label on the top surface of the fan tray.
9Copyright © 2010, Juniper Networks, Inc.
Replacing the MX960 Fan Trays

Juniper MX240 - UPGRADING Specifications

General

Product Type	Router
Chassis Type	Modular
Operating System	Junos OS
Power Supply	AC or DC
Cooling	Front-to-back
Routing Engine	Dual RE (Routing Engine)