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13.5.1 Removing the PSU backplane unit


13.5.1 Removing the PSU backplane unit
This section describes the procedure for removing the PSU backplane unit from the SPARC M10-4/M10-4S. Enable the removal of the PSU backplane unit before attempting to remove it. For details, see "Chapter 7  Maintenance Flow."
Caution - Before you handle any components, wear a wrist strap to ground any static electricity. If you perform this procedure without a wrist strap, individual components or the overall system may be damaged. For details, see "1.5  Precautions on Static Electricity."
  1. Loosen the two screws in the fan slot and then remove the fan shelf.
Figure 13-4  Screws in the fan slot
Figure 13-4  Screws in the fan slot
  1. Loosen the two screws securing the PSU backplane unit and then partially pull out the PSU backplane unit.
Figure 13-5  Screws securing the PSU backplane unit
Figure 13-5  Screws securing the PSU backplane unit
  1. Pull the PSU backplane unit out a little more. Then, remove the unit by holding its handle.
Note - Place the removed PSU backplane unit on a grounded antistatic ESD mat.
Figure 13-6  Handle of PSU backplane unit
Figure 13-6  Handle of PSU backplane unit