Sun Microsystems 6000, 4000, 5000 Toreplace the fan tray assembly:

Non-ChassisField Replaceable Units (FRUs) E-27
E
FigureE-15 Removing the Fan Trayin the Enterprise 4000 System
5. Pull the end of the extraction lever outward to release the fan tray
assembly from the centerplane.
6. Slowly remove the fan tray assembly from the enclosure.
Toreplace the fan tray assembly:
1. Carefully insert the fan tray assembly into the slot on the left side of the
Enterprise system.
Viewed fromthe rear of the system, the fan tray is on the left side of the
enclosure. See FigureE-15.
2. Ensure that the extraction lever is in the outward position as you slide the
fan tray assembly toward the centerplane.
The fan tray assembly will not seat fully unless the lever is in this starting
position.