Juniper MX960 Hardware Manual page 323

307
Figure 93: Tightening the Four Acorn Nuts That Secure the Extended Cable Manager Top Hat
7. Secure the top hat to the rear of the chassis by inserting and tightening two 8-32 screws into the upper
threaded chassis holes, as shown in Figure 94 on page 308 and Figure 95 on page 309.
NOTE: The threaded holes immediately below those used to secure the top hat are used
to secure the new extended cable manager rear exhaust grate. Make sure that you use
the correct holes for securing the top hat.