How To Replace The Square Fan Assembly - Tekelec 1100 Hardware Manual

Field Replaceable Units
4. Grasp the edge of the front top cover of the chassis and lift up to remove the cover.
5. There are two rectangular fan assemblies on the right of the chassis.
The replacement instructions are the same for each assembly. Grasp the top of each fan assembly
with your index finger underneath the left and right edges of the top of the fan assembly. Lift
the fan assembly straight up and out of the chassis to disengage the mating power connector
and remove the fan assembly. Take care to ensure you do not insert your finger into the fan
blades.
6. Set the rectangular fan assembly aside.
7. Lower the new fan assembly into the chassis.
Be sure to align the pins on the bottom of the fan assemblies with the grommets on the chassis,
and align the fan assembly with the plastic fan assembly guide on the right inside wall of the
chassis. Press the fan assembly down to ensure the fan connector is in place.
8. Close the chassis front top cover and tighten the two screws on each side that fasten the cover
to the chassis.
9. Depending on how the fan assembly was accessed in
chassis to its original position using one of the following procedures:
a) How to Slide T1100 AS Chassis Back into Frame
b) How to Return a T1100 AS Chassis to the Frame
10. If requested, return the failed fan assembly to Tekelec.
Arrange the return shipment by using the procedures in
11.
11. This procedure is complete.

How to Replace the Square Fan Assembly

Perform the following procedures to replace the square fan assembly. This procedure can be
performed while theT1100 AS chassis remains powered.
116
Step 2 on page 115, return theT1100 AS
on page 107
on page 110
Hardware Repair and Return
910-2969-001 Revision K, June 2009
Hardware Manual
on page