CX2550/60/70 M4 Upgrade and Maintenance Manual 385
Figure 271: Fastening the tube guides to the LC bracket
Ê Fasten the tube guides to the LC bracket with three screws (see circles).
Type 2
Figure 272: Installing LC heat sinks to SXM2 modules 1 (A) and 2 (B)
Ê Carefully seat the heat sink onto the SXM2 sockets.
Ê For SXM2 module 1 (A), fasten the four captive screws (see circles) in the
sequence of the numbering (1 to 4) by proceeding as follows:
Ê At first, fasten the four captive screws one by one (1 to 4) by hand
rotating them three turns.
Ê Then, fasten the four captive screws one by one (1 to 4) by hand until the
screws are completely tightened.
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