Note: You must wait approximately 2.5 minutes after you connect the power
cord of the file module to an electrical outlet before the power-control button
becomes active.
Thermal grease
The following procedure is for a field replaceable unit (FRU). FRUs must be
installed only by trained service technicians.
To replace damaged or contaminated thermal grease on the microprocessor and
heat exchanger, complete the following procedure.
1. Place the heat sink assembly on a clean work surface.
2. Remove the cleaning pad from its package and unfold it completely.
3. Use the cleaning pad to wipe the thermal grease from the bottom of the heat
exchanger.
Note: Make sure that all of the thermal grease is removed.
4. Use a clean area of the cleaning pad to wipe the thermal grease from the
microprocessor; then, dispose of the cleaning pad after all of the thermal grease
is removed.
Microprocessor
0.02 mL of thermal
grease
5. Use the thermal-grease syringe to place nine uniformly spaced dots of 0.02 mL
each on the top of the microprocessor.
Note: 0.01mL is one tick mark on the syringe. If the grease is properly applied,
approximately half (0.22 mL) of the grease remains in the syringe.
6. Continue with step 9. of the “Installing a microprocessor and heat sink” on
page 142 procedure.
Removing a heat-sink retention module
The following procedure is for a field replaceable unit (FRU). FRUs must be
installed only by trained service technicians.
To remove a heat-sink retention module, complete the following steps:
1. To help you work safely with Storwize V7000 Unified file modules, read the
safety information in “Safety” on page xi, “Safety statements” on page xiii, and
“Installation guidelines” on page 54.
2. Turn off the file module and peripheral devices, then label and disconnect both
power cords and all external cables.
Chapter 4. File module 147
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