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Chapter 4. FRU removals and replacements
Handling static-sensitive devices ..........................4-1
SP Switch2 service procedures ...........................4-2
Removing a fan assembly ............................4-2
Replacing a fan assembly ............................4-2
Removing a power supply ............................4-3
Replacing a power supply ............................4-3
Removing the LED bracket assembly ........................4-4
Replacing the LED bracket assembly ........................4-4
Removing the switch supervisor card ........................4-5
Replacing the switch supervisor card ........................4-6
Removing an interposer card ...........................4-6
Replacing an interposer card ...........................4-7
Removing the switch planar ...........................4-7
Replacing the switch planar ...........................4-8
Removing the 48 V dc circuit breaker assembly ....................4-8
Replacing the 48 V dc circuit breaker assembly ....................4-9
Removing the LED power extension cable ......................4-9
Replacing the LED power extension cable .....................4-10
This chapter describes the removal and replacement of RS/6000 SP product-specific Field Replaceable
Unit (FRU) components.
Attention: Components in the frame are susceptible to damage from static discharge. Always use an
ESD wristband when working inside frame covers. (See “Personal ESD requirements” on page 3-1 for
more details.) Do not touch the pins or circuitry on these components.
Handling static-sensitive devices
Attention: Adapters, planars, disk drives, supervisor cards and memory cards are sensitive to static
electricity discharge. These devices are wrapped in antistatic bags or containers to prevent this damage.
Perform the following procedures to prevent damage to these devices:
1. Do not remove the device from the antistatic bag or container until you are ready to install the device
in the system unit.
2. You must wear an ESD wristband while installing or removing any static-sensitive devices.
3. With the device still in its antistatic bag, touch it to a metal frame of the system.
4. Grasp cards and boards by the edges. Hold drives by the frame. Avoid touching the solder joints and
pins.
5. Handle the devices carefully in order to prevent permanent damage.
© Copyright IBM Corp. 2000, 2002 4-1