Juniper MX10008 Hardware Manual page 187

Figure 84: JNP10008-FAN-CTRL
Figure 85: JNP10008-FTC2
CAUTION:
available.
To access a fan tray controller, you must first remove the associated fan tray. With the fan tray removed,
the fan tray controller is installed horizontally above the Switch Fabric Boards (SFBs) at the top of the
chassis.
Before you replace a fan tray controller:
Ensure you understand how to prevent ESD damage. See
on page 343.
You have removed the associated fan tray and fan tray controller. See
Tray" on page 179 and
Ensure that you have the following parts and tools available to install a fan tray controller:
Electrostatic discharge (ESD) grounding strap
Replacement fan tray controller
A Phillips (+) screwdriver, number 1 for the captive screws
Do not remove the fan tray controller unless you have a replacement controller
"Removing an MX10008 Fan Tray Controller" on page
"Prevention of Electrostatic Discharge Damage"
"Removing an MX10008 Fan
186.
189