Sun Microsystems 5500, Reference Manual

Page: 221 / 304

Appendix E Non-Chassis Field Replaceable Units (FRUs) E-3
1. Loosen the four screws on the left and the four screws on the right of the fan tray
screen.
It is not necessary to completely remove these four screws.
2. Lift the screen up until the slotted screw holes clear the screw heads, and set it
aside.
E.2.1.2 Removing the Fan Tray Assembly
1. Disconnect the power cable and fan cable assembly.
2. Loosen the two captive screws on the fan tray assembly (
FIGURE E-1
).
3. Tilt the fan tray assembly back slightly so that it clears the top of the cabinet.
4. Remove the fan tray assembly.
E.2.1.3 Replacing the Fan Tray Assembly
1. Tilt the fan tray assembly inward and lower it behind the upper sequencer
bracket.
2. Push the fan tray into the cabinet until the fan tray cannot be inserted any further.
3. Tighten the two captive screws at the top and bottom of the fan tray (
FIGURE E-1
).
4. Replace the power cable and fan fail cable.
E.2.1.4 Replacing the Fan Tray Screen
1. Replace the screen so that the slotted screw holes clear the screw heads.
2. Tighten the four screws on the left and the four screws on the right.
E.2.2 AC Power Cable
E.2.2.1 Removing the AC Power Cable
1. Power off the system.
See the power off instructions in Chapter 11 “Powering Off and On.”
2. Disconnect the AC power cable from the power connector.