Attaching The Installation Handle To The M320 Router; Removing The M320 Installation Handle And Reinstalling The Power - Juniper M320 Hardware Manual

M320 Router Hardware Guide

Attaching the Installation Handle to the M320 Router

64
working with routers. However, providing an exhaustive set of guidelines for working with
electrical equipment is beyond the scope of this documentation.
Attaching the Installation Handle to the M320 Router on page 64
1.
Mounting the M320 Chassis Using a Mechanical Lift on page 65
2.
Removing the M320 Installation Handle and Reinstalling the Power Supplies on page 67
3.
To assist you with the installation of the router, attach the installation handle over the
three lowest power supply slots of the chassis. To remove the corresponding power
supplies and attach the handle:
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.
Switch the circuit breaker on the power supply faceplate to the off position (
2.
recommend this even though the power supplies are not connected to power sources.
Loosen the captive screw on each side of the power supply faceplate completely.
3.
Grasp the flange on each side of the power supply faceplate, placing your hand
4.
between the flange and the chassis.
Pull firmly to start removing the power supply. Slide it halfway out of the chassis (see
5.
Figure 29 on page 65, which shows the removal of a DC power supply).
Place one hand underneath the power supply to support it, and slide it completely
6.
out of the chassis.
CAUTION: Each power supply weighs approximately 10 lb (4.5 kg). Be
prepared to support the full weight of the power supply as you remove it
from the router.
Repeat the procedure for the remaining power supplies.
7.
Attach the installation handle by tightening the captive screws of the handle into the
8.
holes previously occupied by the captive screws of the power supplies in slots
and PEM3 (see Figure 30 on page 65).
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