Removing The Power Supplies; Removing The Rear Component Cover; Figure 41: Removing A M40E Power Supply - Juniper M40E Hardware Manual

Removing the Power Supplies

Removing the Rear Component Cover

Copyright © 2010, Juniper Networks, Inc.
All manuals and user guides at all-guides.com
The router has two power supplies (AC or DC) located at the bottom rear of the chassis,
as shown in "M40e Chassis Description" on page 8. An AC power supply weighs
approximately 15 lb (6.8 kg). A DC power supply weighs approximately 13 lb (5.9 kg).
To remove the power supplies (see Figure 41 on page 85, which shows a DC power supply):
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. For more information about ESD,
see "Preventing Electrostatic Discharge Damage to an M Series, MX Series, or T Series
Router" on page 232.
Verify that the power switch for each power supply is in the
2.
AC-powered router, the switch for each power supply is on the power supply faceplate.
On a DC-powered router, the switches are on the circuit breaker box.
Loosen the thumbscrew at each corner of the power supply faceplate, using a Phillips
3.
screwdriver if necessary.
Grasp the handle or handles on the power supply faceplate and pull firmly to slide
4.
the unit about halfway out of the chassis.
Place one hand under the power supply to support it, then slide it completely out of
5.
the chassis.
Repeat the procedure to remove the second power supply.
6.

Figure 41: Removing a M40e Power Supply

The rear component cover protects the SFMs, Routing Engines, MCSs, and PCGs, as
shown in "M40e Chassis Description" on page 8. To remove it:
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. For more information about ESD,
see "Preventing Electrostatic Discharge Damage to an M Series, MX Series, or T Series
Router" on page 232.
Loosen the thumbscrew at each corner of the component cover, using a Phillips
2.
screwdriver if necessary.
Chapter 9: Installing the M40e Router Without a Mechanical Lift
OFF ( O ) position. On an
85