Hawker F20/4H1C-R Operating And Maintenance Manual page 14

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.
9. Stand the battery for one hour on open circuit.
10. Check the battery temperature is below 35°C
11. Ensure that the battery is connected to the charge/discharge unit.
12. Discharge the 24V Battery at I
Requirement: The voltage of each cell after 60 minutes must be equal
or greater than 1.0 V.
Note: If the discharge at the I
1
set of discharge rate and criteria from the table below.
Record the cell voltages (column 3) in the log book.
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
13. 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
Voltage requirement for
reading cells (V)
≥1.0
300
≥1.0
150
≥1.0
100
≥1.0
75
≥1.0
60
If any battery does not meet the requirement contact
the supplier.
14