Figure 7-6. Front Top Cover Removal - Screw Locations - Tekelec 1100 Hardware Manual

WARNING:
frame when working on electronic components.
• Procedure 7-2, "Slide T1100 AS Chassis Out from Frame," on page 7-10
• Procedure 7-4, "Remove a T1100 AS Chassis from Frame," on page 7-12
(do not use this procedure when the fan assembly is replaced while the
chassis remains powered)
3.
Using a Phillips screwdriver, loosen the two screws on each side of the front
top cover. See Figure 7-6 for locations.

Figure 7-6. Front Top Cover Removal - Screw Locations

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.
7-22
Preliminary
Always wear an ESD wrist strap grounded to the bench or
Field Replaceable Units
910-2969-001 Revision H, February 2007