Figure 138: Disconnecting Power Cables From The Four-Input 240-A Dc Power - Juniper T640 Hardware Manual

T640 Core Router Hardware Guide
256
Figure 138: Disconnecting Power Cables from the Four-Input 240-A DC
Power Supply
Cable lug
Locking
washer
Nut
Remove the cable lugs from the terminal studs.
6.
Loosen the captive screw or screws on the cable restraint on the right edge of the
7.
power supply faceplate.
Carefully move the power cables out of the way.
8.
Loosen the captive screws on the lower corners of the power supply faceplate
9.
completely.
Twist the ejector handles on the upper corners of the faceplate counterclockwise to
10.
unseat the power supply.
Grasp the handle on the power supply faceplate and pull firmly. Slide it halfway out
11.
of the chassis (see Figure 139 on page 257).
CAUTION: Each four-input 240-A DC power supply weighs approximately
26.6 lb (12.0 kg). Be prepared to support the full weight of the power
supply as you remove it from the router.
Place one hand underneath the power supply to support it and slide it completely out
12.
of the chassis.
Terminal studs
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