Keysight Technologies X-Series Manual page 11

Old Fan Assembly Removal
10.Referring to Figure
attaching the rear panel to the fan assembly.
Figure 6 Fan Assembly Removal
11.Remove the four flathead screws (3)(4) attaching the top brace and the card cage side brace
to the fan assembly.
12.Remove the four panhead screws (5) attaching the fan assembly to the chassis front brace
and the left front end brace stiffener.
13.Remove the four screws (6) attaching the fan assembly to the chassis base.
14.Carefully tilt the fan assembly out at the top, moving the coax cables going to the rear of the
instrument out of the way if necessary.
15.Referring to Figure
harness from the two small fans (2) from the side of the A7 Midplane board.
Installation Note N9042-90013
6, remove the two flathead screws (1) and the two panhead screws (2)
7, unplug the wire harnesses for the two large fans (1) and the wire
Upgrade Instructions
11