If BATTERY lamp does not light, backup battery is defective and must be
replaced by organizational maintenance.
(4) Wait 10 to 15 seconds.
(5) Replace AC power plug in the wall outlet (if installed in shelter, reconnect as
(6) Resume normal operation.
(7) Record time and date that battery was preconditioned on an appropriate maintenance
Record amount of time backup battery was used due to prime power failure.
b. After battery has been in use for 5 to 6 hours, call organizational maintenance to
replace the battery.
3-10. BACKUP BATTERY HANDLING AND PRECAUTIONS
Refer to WARNING, page A, in the front of this manual. Read paragraph
on LITHIUM ORGANIC BATTERIES for precautions on handling these