374 Upgrade and Maintenance Manual CX2550/60/70 M4
Ê Loosen the three screws (see circles) of the LC bracket.
Figure 258: Removing the flexible tubes
Ê Pull both flexible tubes through the holes of the LC bracket (see arrow).
Figure 259: Removing the LC heat sink from the PCIe switch 1
Ê Disconnect the LC power cables form the base board (see oval).
Ê Loosen the captive screws (see circles) following the sequence described 
below and using a #2 screwdriver: