IBM 6151 Maintenance And Service Manual page 435

Battery Replacement
For translations, see "Safety Translations" on page
IV.
DANGER
Fire, explosion, and severe burn hazard. Do not
recharge, disassemble, heat above 100 0 C, solder directly
to the cell, incinerate, or expose cell contents to water.
Keep away from children. Replace with IBM part
number 6299201 only or a battery that has been
specifically classified by Underwriters Laboratories for
use with the IBM 6151 System Unit and is so marked to
indicate such classification. Use of another may present
risk of fire or explosion.
1. Align the battery with the holder and slide it down into
position.
2. Connect the battery cable to the system board.
3. Do the "Top Cover Replacement" on page 4-13.
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(6/88) Removal and Replacement
4-25