Installing The T4000 Front Air Filter; Figure 89: Removing The Front Air Filter; Figure 90: Replacing The Front Filter Element - Juniper T4000 Hardware Manual

Installing the T4000 Front Air Filter

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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 89: Removing the Front Air Filter

Figure 90: Replacing the Front Filter Element

To install 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.
Insert the filter element into the air filter frame.
2.
Grasp the air filter by the handles on its faceplate, and slide it straight into the chassis.
3.
Tighten the captive screws on the corners of the faceplate.
4.
Chapter 19: Replacing T4000 Router Hardware Components
Figure 91 on page 220):
Figure 90 on page 219).
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