Reinstalling The Fan Trays After Installing The Mx2020 In A Rack; Figure 110: Reinstalling A Dc Power Supply Module - Juniper MX2020 Hardware Manual

MX2020 3D Universal Edge Router Hardware Guide

Reinstalling the Fan Trays After Installing the MX2020 In a Rack

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Figure 110: Reinstalling a DC Power Supply Module

To reinstall the upper or lower fan trays (see
Figure 112 on page 241):
Loosen the two captive screws on each side of the fan tray access panel, and open.
1.
Take each fan tray to be installed out of its electrostatic bag, and identify the slot on
2.
the fan tray where it will be connected.
While grasping the handle, place one hand under the fan tray for support, and align
3.
it into the slot.
Press and hold the latch while guiding the fan tray half way in until it stops.
4.
NOTE: The fan tray has a safety mechanism so that the fan tray cannot
be removed in one motion.
Press and hold the latch a second time while inserting the fan tray completely into
5.
the router.
Tighten the two captive screws on the fan tray faceplate. Apply between 10 lb-in.
6.
(1.13 Nm) to 12 lb-in. (1.35 Nm) of torque to each screw. Do not overtighten the screws.
Figure 111 on page 241 and
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