Removing The Cpu Fan Sink Assembly - IBM Models 5 Service Manual

Removing the CPU fan sink assembly

Attention: Establish personal grounding before touching this unit. See
"Electrostatic discharge" on page 94.
Follow these steps to remove the CPU fan sink assembly:
1. Switch OFF the power to the IBM AnyPlace Kiosk. Unplug the power cord
Figure 24. Removing the CPU fan sink assembly
2. Remove the rear cover. (See "Removing the rear cover" on page 39.)
3. See Figure 24 and loosen the 5 screws retaining the heat sink and fan assembly
4. Unplug the fan cable, and lift out the CPU fan sink assembly
Note: To replace the processor, go to "Removing the processor" on page 44.
To replace, follow these steps:
1. Place the CPU fan sink assembly such that it aligns the matching holes on the
2. Tighten the five retainer screws one turn in the numerical order that is shown
3. Then, repeat Step 2 to secure the screws, but do not overtighten.
4. Plug in the fan cable.
from the external power source.
in the order that they are numbered (1 through 5).
system board.
beside of each screw. See Figure 24.
Removing and replacing FRUs
2
Chapter 4. Removing and replacing FRUs
3
5
1
4
43