Removing The M320 Cable Management System; Removing The M320 Front Fan Trays; Figure 38: Removing The Cable Management System - Juniper M320 Hardware Manual

M320 Router Hardware Guide

Removing the M320 Cable Management System

Removing the M320 Front Fan Trays

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The cable management system is located below the FPC card cage. The cable
management system weighs approximately 5 lb (2.3 kg).
To remove the cable management system (see Figure 38 on page 76):
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
1.
the strap to an approved site ESD grounding point. See the instructions for your site.
Using a 3/8-in. nut driver, unscrew the nuts on the corners of the cable management
2.
system.
Grasp the bottom of the cable management system and pull it straight out from the
3.
studs on the front of the chassis.

Figure 38: Removing the Cable Management System

The upper front fan tray is located above the FPC card cage, and the lower front fan tray
is located below the air filter. Each fan tray weighs about 11 lb (5.1 kg).
To remove the front fan trays (see Figure 39 on page 77):
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
1.
the strap to an approved site ESD grounding point. See the instructions for your site.
Loosen the captive screw on each side of the faceplate of one of the fan trays.
2.
Grasp the handles and pull the fan tray until it stops.
3.
Press the tabs on both sides of the fan tray and pull the fan tray halfway out of the
4.
chassis.
Place one hand under the fan tray to support it, and pull the fan tray completely out
5.
of the chassis.
Repeat the procedure to remove the remaining front fan tray.
6.
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