Dell FC4500 Reference Guide - Page 55
Precautions When Removing, Installing, or Storing CRUs
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Servicing and Upgrading a DPE 3 • Before touching any CRU, touch a bare (unpainted) metal surface of the enclosure. • Before removing any CRU from its antistatic bag, place one hand firmly on a bare metal surface of the enclosure, and at the same time, pick up the CRU while it is still sealed in the antistatic bag. Once you have done this, do not move around the room or contact other furnishings, personnel, or surfaces until you have installed the CRU. • When you remove a CRU from the antistatic bag, avoid touching any electronic components and circuits on it. • If you must move around the room or touch other surfaces before installing a CRU, first place the CRU back in the antistatic bag. When you are ready again to install the CRU, repeat these procedures. Precautions When Removing, Installing, or Storing CRUs Use the precautions listed below when you remove, handle, or store CRUs. • Do not remove a faulty CRU until you have a replacement available. • Handle a CRU only when using an ESD wristband as follows: attach the clip of the ESD wristband to the ESD bracket or bare metal on the DPE enclosure, and put the wristband around your wrist with the metal button against your skin. • Handle CRUs gently. A sudden jar, drop, or vibration can permanently damage a CRU. • Never use excessive force to remove or install a CRU. • Store a CRU in the antistatic bag and specially designed shipping container in which you received it. Use that container if you need to return the CRU for repair. • Maintain the location where you store CRUs within the limits specified in Appendix A. Precautions When Removing, Installing, or Storing CRUs 3-7