Juniper MX960 Hardware Manual page 559

4. Wrap and fasten one end of the ESD grounding strap around your bare wrist, and connect the other
end of the strap to the ESD point on the chassis.
5. Move the DC circuit breaker on the power supply faceplate to the off (O) position.
6. Remove the clear plastic cover protecting the terminal studs on the faceplate.
7. Remove the nut and washer from each of the terminal studs. (Use a 7/16-in. [11 mm] nut driver or
socket wrench.)
8. Remove the cable lugs from the terminal studs.
9. Loosen the captive screw on the cable restraint on the lower edge of the power supply faceplate.
10. Carefully move the power cables out of the way.
11. While grasping the handle on the power supply faceplate with one hand, use your other hand to pull
the spring-loaded locking pin in the release lever away from the chassis and turn the release lever
counterclockwise until it stops.
12. Let go of the locking pin in the release lever. Ensure that the pin is seated inside the corresponding
hole in the chassis.
13. Pull the power supply straight out of the chassis.
WARNING:
(see
Do not touch the power connector on the top of the power supply
Figure 217 on page 548). It can contain dangerous voltages.
547