Hawker F20/4H1C-R Operating And Maintenance Manual page 20

Figure 4: Electrolyte level indicator
ATTENTION
The electrolyte level of charged cells decreases after charge
while the gas is escaping. Do not adjust electrolyte level
further.
6. Stand the battery for one hour.
7. Check the battery temperature is below 35°C.
8. Ensure that the battery is connected to the charge/
discharge unit.
9. Discharge the 24V Battery at I
Requirement: The voltage of each cell after 48 minutes must be
equal or greater than 1.0 V.
Note: If the discharge at the I
rate and criteria from the table below.
Discharge current rate Time (min) cell voltage
0.2*I
1
0.4*I
1
0.6*I
1
0.8*I
1
I
1
Record the cell voltages (column 3) in the log book.
10. Soak the battery to room temperature for up to 8 hours before
recharging.
The document reference is online, please check the correspondence between the online documentation and the printed version.
ATTENTION
If necessary, adjust the
electrolyte level to the
height that touches the
edge of the spacer.
to 20 V.
1
rate is not feasible, select a different
1
Voltage requirement
reading for cells (V)
≥1.0
240
≥1.0
120
≥1.0
80
≥1.0
60
≥1.0
48
If battery temperature above, soak it to ambient
room temperature.
If any battery does not meet the requirement contact
the supplier.
20