Removing The Processor Fan (Models 742, 782 Only); Removing The Heat Sink And Processor - IBM 4800-741 Hardware Service Manual

Updated July 14, 2008

Removing the processor fan (Models 742, 782 only)

Follow these steps to remove and replace the processor fan:
1. Follow the instructions in "Removing the covers" on page 29 to remove the front
2. Follow the instructions in "Removing the top plate" on page 32 to remove the
3. Follow the instructions in "Removing the air duct (Models 722, 74x, 78x, and
Figure 33. Processor fan and levers
4. Remove the processor fan by pressing down on the levers ( B in Figure 33) to
5. Lift to remove.
6. To replace, align the fan with the board connectors and press down to lock into

Removing the heat sink and processor

Attention:
information, see "Federal Communications Commission (FCC) statement" on page
105.
To remove the heat sink and processor:
bezel and top cover.
top plate.
C4x)" on page 44.
release the connections.
place.
Establish personal grounding before touching this unit. For more
1. Follow the instructions in "Removing the covers" on page 29 to remove the
front bezel and top cover.
2. Follow the instructions in "Removing the top plate" on page 32 to remove the
top plate.
3. If installed, remove the air duct.
4. For Models 7x2, go to step 9 on page 46. For Models 7x1, continue with the
steps.
Chapter 2. Removal and replacement procedures
45