Models 840/SB3 – Time of Day (TOD) Battery . . 697
Disk Unit – Dedicated and Concurrent .....698
Disk Unit, Models 830/SB2 and 840/SB3 –
Dedicated and Concurrent ........698
Concurrent Maintenance – Removal and
Installation............698
Dedicated Maintenance – Removal and
Installation............700
Tape Cartridge – Manual Removal ......701
6383, 6385, 6386, 6387 Tape Cartridge ....701
Locked Position ..........701
Standby Position ..........701
1/4 inch Tape Cartridge (Type 6335).....702
Optical Media – Manual Removal ......704
CD-ROMandDVD..........704
Emergency Disc Ejection Function ....704
Attention: If removing the cover while powered on, errors may occur due to
Electromagnetic Interference.
This is the starting point for all remove procedures in the 1.6 meter rack. Perform
the following steps.
Attention: It is not always necessary to power off the system to exchange a field
replaceable unit (FRU). You will be directed through a concurrent exchange, if
possible, for disk or removable media storage units.
1. Find the location of the part you are replacing in “Locations and Addresses” on
page 705.
2. If you are removing a IOA, IOP, IXS card, disk unit or removable media unit,
you may be able to use the concurrent procedures and keep the system up and
running.
3. Find the FRU you are removing in this section and follow the procedures.
4. When you have completed the remove procedure, install the FRU by reversing
the remove procedure unless otherwise noted.
5. After exchanging an item, see “Verifying the Repair” on page 920.
FC 5074, FC 5079, FC 9079 (With Single Line Cord) – AC Charger – A01
1. Power off the expansion tower. (See “Powering On and Powering Off the
System and Logical Partitions” on page 922.)
2. Disconnect the incoming AC power cord from the expansion tower.
3. Open the rear cover. (See “FC 5074, FC 5079, FC 9079 – Covers” on page 623.)
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 “Verifying the Repair” on page 920.
This ends the procedure.
FC 5074, FC 5079, FC 9079 (With Dual Line Cord) – AC Charger – A01
1. Do Not Power Down the tower if it is powered on. (This can be done
concurrently.)
2. Open the rear cover. See “FC 5074, FC 5079, FC 9079 – Covers” on page 623.
3. See the Table 44 on page 737.
4. Trace the AC input line cord that connects to AC module that needs replacing
and disconnect that AC line cord.
Attention: Do not disconnect the other system AC line cord when powered
on.
Remove and Replace Procedures
618
iSeries Model 830, 840, SB2, and SB3 Problem Analysis, Repair and Parts V5R1
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