Replacing The Mx240 Fan Tray; Removing The Mx240 Fan Tray - Juniper MX240 Hardware Manual

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Replacing the MX240 Fan Tray

Copyright © 2019, Juniper Networks, Inc.
FPC 7 IA 0 Chip
FPC 7 IA 1 TSensor
FPC 7 IA 1 Chip
Fans Top Fan Tray Temp
Top Tray Fan 1
Top Tray Fan 2
Top Tray Fan 3
Top Tray Fan 4
Top Tray Fan 5
Top Tray Fan 6
Bottom Fan Tray Temp
Bottom Tray Fan 1
Bottom Tray Fan 2
Bottom Tray Fan 3
Bottom Tray Fan 4
Bottom Tray Fan 5
Bottom Tray Fan 6
MX240 Cooling System Description on page 39
Troubleshooting the MX240 Cooling System on page 350
Removing the MX240 Fan Tray on page 225
1.
Installing the MX240 Normal-Capacity Fan Tray on page 226
2.

Removing the MX240 Fan Tray

NOTE: To prevent overheating, install the replacement fan tray immediately
after removing the existing fan tray.
To remove the fan tray (see
Attach an ESD grounding strap to your bare wrist and connect the strap to one of the
1.
ESD points on the chassis.
Loosen the captive screws on the fan tray faceplate.
2.
Grasp the fan tray handle, and pull it out approximately 1 to 3 inches.
3.
WARNING: To avoid injury, keep tools and your fingers away from the fans
as you slide the fan module out of the chassis. The fans might still be
spinning.
Chapter 4: Maintaining, Installing and Replacing Components
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Figure 82 on page 226):
37 degrees C / 98 degrees F
31 degrees C / 87 degrees F
35 degrees C / 95 degrees F
27 degrees C / 80 degrees F
Spinning at high speed
Spinning at high speed
Spinning at high speed
Spinning at high speed
Spinning at high speed
Spinning at high speed
28 degrees C / 82 degrees F
Spinning at high speed
Spinning at high speed
Spinning at high speed
Spinning at high speed
Spinning at high speed
Spinning at high speed
225