Replacing Cooling System Components; Replacing An M320 Air Filter; Removing An M320 Front Air Filter - Juniper M320 Hardware Manual

CHAPTER 25

Replacing Cooling System Components

Replacing an M320 Air Filter

Removing an M320 Front Air Filter

Copyright © 2015, Juniper Networks, Inc.
Replacing an M320 Air Filter on page 203
Replacing an M320 Fan Tray on page 208
Removing an M320 Front Air Filter on page 203
Installing an M320 Front Air Filter on page 204
Removing an M320 Rear Air Filter on page 205
Installing an M320 Rear Air Filter on page 207
The front air filter, located below the FPC card cage in the front of the chassis, and installs
horizontally. The front air filter weighs approximately 1 lb (0.5 kg).The air filters are
hot-insertable and hot-removable.
To remove the front air filter (see
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
1.
the strap to one of the ESD points on the chassis.
Unwrap any PIC cables from the spools on the cable management system, and remove
2.
the cables from the tray. Arrange the cables so that they do not block the front of the
cable management system and tray, and secure them with temporary fasteners so
that they are not supporting their own weight as they hang from the connector.
CAUTION: Do not let fiber-optic cable hang free from the connector. Do
not allow fastened loops of cable to dangle, which stresses the cable at
the fastening point.
Simultaneously pull the two releases on the cable management system. Lift it up and
3.
outward to lock it in place to access the air filter.
Loosen the captive screws on the corners of the air filter faceplate.
4.
Grasp the handles and pull the air filter straight out of the chassis.
5.
Remove the filter element from the air filter frame (see
6.
Figure 75 on page 204):
Figure 76 on page 204).
203