Learn how to remove the system processor module from the IBM®
Power® System S812LC (8348-21C) system.
Before you begin
As
part of the system processor module replacement, the heat sink is
removed. When the heat sink is removed from the system processor module,
the thermal interface material (TIM) is typically adhered to the heat
sink. Unless damaged, the TIM that is adhered to the heat sink can
be reused. If the TIM is damaged, do not reuse the removed heat sink.
Before you begin the system backplane removal and replacement procedure,
ensure that you have a spare TIM and heat sink, part number 01AF286, on hand.
Power off the system and place it in the service
position. For instructions, see Preparing the system to remove and replace internal parts in the 8348-21C.
Procedure
- Attach the electrostatic discharge
(ESD) wrist strap.
Attention: - Attach an electrostatic discharge (ESD)
wrist strap to the front ESD jack, to the rear ESD jack, or to an unpainted metal surface of your
hardware to prevent the electrostatic discharge from damaging your hardware.
- When you use an ESD wrist strap, follow all
electrical safety procedures. An ESD wrist strap is used for static control. It does not increase or
decrease your risk of receiving electric shock when using or working on electrical
equipment.
- If you do not have an ESD wrist strap, just prior
to removing the product from ESD packaging and installing or replacing hardware, touch an unpainted
metal surface of the system for a minimum of 5 seconds.
- Open the packaging of the new system
processor module, and place the cover upside down next to the tray,
as shown in Figure 1.
The cover is used for the system processor module that you are replacing.
Figure 1. Opening the system processor module
packaging
- Remove the processor baffle. See Removing the processor baffle from an 8348-21C system.
- Remove the heat sink from the system processor module:
- A hex key wrench is attached to the rear of the chassis. Use that hex key wrench to loosen the
heat sink actuation screw (A) by turning the screw counterclockwise. Loosen
the screw until it moves freely. See Figure 2.
- Grip the heat sink (B) on opposing sides and remove the heat sink by
lifting it upward. Set the heat sink aside with the module side facing up.
Note: If you plan to
remove dust or debris from the heat sink, you must do this operation in another room that is greater
than 7.6 m (24.9 ft) away from the work area.
Figure 2. Removing the heat sink
- Remove dust and debris from the system processor module area.
- If dust or debris is present, use the supplied air pump (part number 45D2645) to clean the system processor module
area. Blow small bursts of air from the center toward the sides of the system processor module as
shown in Figure 3. If your air pump is not assembled as shown in Figure 3, fasten the tip onto the bulb.
Figure 3. Removing dust and debris from the system processor module area
- Prepare the system processor module for removal.
- Using the supplied removal tool (part number 01AF101), align the beveled corner
(A) of the tool over the beveled corner of the system processor module as
shown in Figure 4.
- Lower the tool over the system processor module by ensuring that the two guide pins
(C) are inserted into the alignment holes (B) on each
side of the tool.
- With the removal tool (A) sitting on top of the system processor module,
push down on the tool to lock the system processor module into the tool, as shown in Figure 5. Ensure that both of the tool jaws are locked on
the system processor module. Do not press the blue release tabs until directed to do so later.
Note: The tool drops slightly when you push down on the processor module so that the jaws can grab
the bottom of the module.
- Holding the outside of the tool, lift the
tool and system processor module from the socket. Place them at an
angle in the top cover of the system processor module packaging, as
shown in Figure 6.
Note: Setting the tool and system processor module at an angle
on the top cover of the system processor module packaging will make
it easier to pick up and place in the packaging after you replace
the system processor module.
Figure 6. Placing
the tool at an angle on the top cover of the packaging
- Squeeze the two blue tabs to release
the system processor module from the tool. See Figure 7.
Note: To prevent the system processor module from falling,
do not squeeze the two tabs before you place the tool on the top cover
of the system processor module packaging.
Figure 7. Releasing the system
processor module from the tool