Juniper EX9214 Hardware Manual page 226

5. While grasping the handle on the power supply faceplate with one hand, use the other hand to pull
the spring-loaded locking pin in the release lever away from the chassis and turn the release lever in
the counterclockwise direction until it stops. See
Figure 67: Removing an AC Power Supply from an EX9214 Switch
6. Let go of the locking pin in the release lever. Ensure that it is seated in the corresponding hole in the
chassis.
WARNING: Do not touch the connector on the top of the power supply.
7. Gently pull the power supply out of the chassis.
Figure 67 on page 215.
215