Models 840/SB3 system unit - Charger (G01)
For use by authorized service providers.
Use this procedure to remove or replace the charger (G01) in a Model 840/SB3 system unit.
To remove or replace the charger (G01):
1. Do not power off the system.
2. Remove the rear cover. (See “Models 840/SB3 - Covers.”)
3. Refer to “Final assembly, rear - Models 840 and SB3 Processor Tower” on page 414 when performing
the following steps.
4. Remove the battery backup EMC access plate.
5. Remove the battery charger.
6. Replace the new battery charger by reversing the removal procedure. After exchanging an item, go to
“Verify the repair” on page 558.
This ends the procedure.
Models 840/SB3 - Covers
For use by authorized service providers.
Use this procedure to remove or replace the covers on the Models 840 and SB3.
If you are removing the covers from a FC 9079, see FC 5074, FC 5079, FC 5094, FC 5294, FC 9079, FC
9094 - Covers.
Attention: If removing the cover while powered on, errors may occur due to Electromagnetic Interference.
To remove the front and rear covers:
1. Lift up on the cover.
2. Pull the cover out and off.
To remove the top cover:
1. Remove the cover mounting screws.
2. Slide the cover to the front or rear.
3. Lift the cover up and off.
To remove the side covers:
1. Remove the front, rear, and top covers.
2. Remove the screws from the front and rear of the side cover.
3. Lift up on the cover.
4. Pull the cover out and off.
This
ends the procedure.
Model 840/SB3 processor tower, FC 8079 (lower half), and FC 9079 - Control panel
(NB1)
For use by authorized service providers.
Use this procedure to remove or replace the control panel (NB1) in a Model 840/SB3 processor tower, FC
8079 (lower half), and an FC 9079.
Attention: The control panel including the processor capacity card and interactive cards are sensitive to
electrostatic discharge (see Work with electrostatic discharge-sensitive parts).
80 Hardware (Remove and Replace; Part Locations and Listings)
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