Figure 248: Removing A Three-Phase Wye Ac Power Distribution Module - Juniper MX2020 Hardware Manual

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NOTE: The terminal connections have either slotted screws or hex screws.
Use a 1/4-in. slotted screwdriver for the slotted screws. Use a 5/32-in.
(4 mm) Allen wrench for the 5/16-in. hex screws.
Loosen the plastic cable tie fastening the AC power cord to the PDM.
10.
Loosen and remove the retaining nut from the AC power cord.
11.
Pull the AC power cord out of the metal wiring compartment.
12.
Carefully move the AC power cable out of the way.
13.
Disconnect the AC power cord from the AC PDM.
14.
Loosen the two captive screws on the locking levers of the PDM faceplate completely.
15.
Pull the locking levers on either side of the faceplate up to unseat the PDM.
16.
Grasp the levers on the PDM faceplate and pull firmly. Slide if halfway out of the
17.
chassis (see Figure 248 on page
CAUTION: Each three-phase delta AC PDM weighs approximately 12 lb
(5.44 kg). Be prepared to support the full weight of the PDM as you remove
it from the router.
Place one hand underneath the PDM to support it, and slide it completely out of the
18.
chassis .

Figure 248: Removing a Three-Phase Wye AC Power Distribution Module

NOTE: Each PDM slot not occupied by a AC PDM must be covered by a PDM
blank panel.
Chapter 25: Replacing Components
521).
521