IBM pSeries 690 Service Manual page 901

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Returning MCM Modules: The following procedure provides handling instructions for MCM modules to

be packaged and returned to the plant of manufacture.

1. If you are replacing an MCM, use the packaging from the new module to return the old module. If the

packaging is not available, order the following parts for MCM or pass through protective packaging:

v 1 Black Plastic Case (Top and Bottom) 02P3750

v 1 MCM Heat Sink Cap - 7335949 or 7335963 (not required for pass through)

v 1 Corrugated Carton - 7335743 (carton and foam assembly including: 1 Bottom Foam Cushion, 1

Top Foam Cushion, 1 Desiccant (Optional for return packaging)

v 1 ESD Bag - 7352456

v 1 Foam Sheet - 7332979

2. Inspect the base of packaging part number 02P3750 and verify to see if an "AA" is labeled.

3. If the base has an "AA," place the MCM or pass through module in the package base. If the base

does not have an "AA," place one sheet of thin pink foam (part number 7332979) over the base and

place the MCM module in the package base.

4. Place top adapter foam piece (part number 7335949) on the heat sink of the MCM module (not

required for pass through module).

5. Complete the inner package by placing the top cover over the module and onto the base. Ensure the

cover is secured to the base.

6. Reuse ESD bag part number 7352456 and place the packaged module inside the bag along with the

desiccant. Seal with tape. The desiccant is optional for returned parts.

7. Place this MCM or pass through assembly in the foam cushion packaging carton (part number

8. Seal the carton and ship.

Chapter 9. Removal and Replacement Procedures