IBM 270, Service Manual

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h. Power the expansion unit back on. See the Expansion unit power procedure.
10. After exchanging an item, go to Verify the repair.
This ends the procedure.
FC 5095, FC 0595 remove and replace procedures
For use by authorized service providers.
FC 5095, FC 0595 - Air moving device - B01, B02, B03, and B04
FC 5095, FC 0595 - Cards (concurrent)
FC 5095, FC 0595 - Cards (dedicated)
FC 5095, FC 0595 - Covers
FC 5095, FC 0595 - Device board - DB1 and DB2
FC 5095, FC 0595 - Disk unit (concurrent)
FC 5095, FC 0595 - Disk unit (dedicated)
FC 5095, FC 0595 - Display panel - NB1
FC 5095, FC 0595 - Power distribution backplane - PB1
FC 5095, FC 0595 - Power supply - P01 and P02
FC 5095, FC 0595 - Tower card - CB1
FC 5095, FC 0595 - Air moving device - B01, B02, B03, and B04
For use by authorized service providers.
Use this procedure to remove or replace the air moving device (AMD) - B01, B02, B03, and B04 in an FC
5095, FC 0595.
Four running Air Moving Devices (AMDs) and two power supplies must be installed and powered on to
perform this procedure.
To remove or replace the AMDs:
1. Are there four running AMDs and two power supplies (powered on) installed in the expansion unit?
v Yes: Continue with the next step.
v
No: Perform the following:
a. Power down the expansion unit. See Power on/off the system and logical partitions.
b. Remove the power cord from the rear of the expansion unit, and continue with the next step.
2. Remove the right or top side cover, depending on expansion unit orientation. See FC 5095, FC 0595 -
Covers.
3. Pull the fastener on the front of the AMD casing.
4. Pull open and remove the AMD. The power connection will undock automatically.
5. Install the AMD by reversing this procedure. After exchanging an item, go to Verify the repair.
This ends the procedure.
Analyze hardware problems
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