Fc 5074, Fc 5079, Fc 9079 (Single Line Cord) - Ac Charger - A01; Fc 5074, Fc 5079, Fc 9079 (With Dual Line Cord) - Ac Module - A01 And A02; Fc 5074, Fc 5079, Fc 9074, Fc 9079 - Air Moving Device - B01 And B02 - IBM iSeries 270 Service Manual

FC 5074, FC 5079, FC 9079 - Removable media - D41 and D42
FC 5074, FC 5079, FC 9079 - Tower card - CB1

FC 5074, FC 5079, FC 9079 (single line cord) - AC charger - A01

For use by authorized service providers.
Use this procedure to remove or replace the AC charger - A01 in the FC 5074, FC 5079, or FC 9079 (with
single line cord).
To remove or replace the AC charger - A01:
1. Power off the expansion tower. See the Expansion unit power procedure.
2. Disconnect the incoming ac power cord from the expansion tower.
3. Open the rear cover. See FC 5074, FC 5079, FC 5094, FC 5294, FC 9079, FC 9094 - Covers.
4. Disconnect all the power cords from the battery charger.
5. Remove the screws that are holding the charger to the frame.
6. Remove the battery charging unit.
7. Install the battery charger by reversing the removal procedure. After exchanging an item, go to Verify
the repair.
This ends the procedure.

FC 5074, FC 5079, FC 9079 (with dual line cord) - AC module - A01 and A02

For use by authorized service providers.
Use this procedure to remove or replace the AC module - A01 and A02 in an FC 5074, FC 5079, and FC
9079 (with dual line cord).
To remove or replace the AC module - A01 and A02:
1. Do not power down the tower if it is powered on, this procedure can be done concurrently.
2. Open the rear cover. See FC 5074, FC 5079, FC 5094, FC 5294, FC 9079, FC 9094 - Covers.
3. Refer to Locations - FC 5074 for location and address information.
4. Trace the ac input line cord that connects to the AC module that needs replacing and disconnect that
ac line cord.
Attention: Do not disconnect the other system ac line cord when powered on.
5. Disconnect the power supply jumper cords from the AC module that you are working on.
Attention: Do not disconnect the other system AC module power supply jumper cords.
6. Remove the top and bottom screws that hold the AC module to the frame.
7. Remove the AC module unit.
8. Install the AC module by reversing the removal procedure. After exchanging an item, go to Verify the
repair.
This ends the procedure.

FC 5074, FC 5079, FC 9074, FC 9079 - Air moving device - B01 and B02

For use by authorized service providers.
Use this procedure to remove or replace the air moving device (AMD) - B01 and B02 in an FC 5074/5079,
FC 9074, or FC 9079.
To remove or replace the air moving device (B01 and B02):
1. Do not power down the tower if it is powered on. This procedure can be done concurrently.
2. Open the rear cover. See FC 5074, FC 5079, FC 5094, FC 5294, FC 9079, FC 9094 - Covers.
Analyze hardware problems
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