25
15. Recharge the battery using either 15.1, or 15.2 or 15.3
• Adjust the electrolyte level at a current of 0.2*I
1
15 minutes to 10
minutes prior to end of the charge methods, 15.1, 15.2, and 15.3.
• Afterwards measure the voltage on each cell prior to the end of
charge at 0.2*I
1
.
Requirement: cell voltage shall be ≥ 1.56 V
• Record cells end of charge voltages in the logbook.
ATTENTION:
• Do not charge the battery with currents higher than I
1
• If you cannot fully supervise, do not use method described in
15.3.
Identify cells for replacement. Refer to Task 10.7.
15.1 IUI-charge = IUI charge – method Appendix 1)
• Charge the battery at I
1
until voltage has increased to 1.55V
times number of cells and charge for 2 hours at 0.2*I
1
• After about 1 hour charge, check that battery has reached
the voltage level to switch the charge current to 0.2*I
1
.
15.2 I charge method (Appendix 2)
• Charge the fully discharged battery for seven hours at 0.2*I
1
.
15.3 II charge method (Appendix 3)
• Charge the fully discharged battery with parameters selected
from the table below and afterwards charge for two hours at 0.2*I
1
• Check battery current switching to 0.2*I
1
at the stage 1(max)
time presented in the table below.
current Stage 1 time (max)
0.4*I
1
180
0.6*I
1
120
0.8*I
1
90
16. Allow the battery to stand for one hour to support the escapes
of charging gases from cells.
17. Tighten the vents between 1 and 24 hours after charging and fit
the lid onto the case.
18. Release the battery to service, if required in accordance with Task 3.3.
The document reference is online, please check the correspondence between the online documentation and the printed version.
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