Use and Care Manual

LEOCH Battery Corporation
7.2.2 Inspection items per quarter
Apart from the maintenance per month, additional articles added as below:
Items Contents Standards Maintenance
Float voltage
of each battery
Measure the end voltage of each
battery in battery group.
Float voltage value after
temperature
equalization ±50mV
If float voltage is over standard value,
please apply equalization charge the
battery group after discharging them
and then float charge them for 1 ~ 2
month, please contact us if still have
any deviation from standard.
Connection
Parts
Check the tightness
of terminal
bolt/screw with
torque spanne
r
Fastness please refer to the
table of torque
Tighten the loosen bolt/screw in time
Check the
connection cable
and terminals for dirt
and corrosion
Without appearance of corrosion
or dirt
Take out the connection cable and clear it
in water if it is light corrosion, for serious
corrosion please replace the cable and
clear the connection point with a steel
brush before attaching new connectors
Check Safety
Valves
(2V series)
Shake the valve
lightly to check the
valve is fixed tightly.
Valve is fixed tightly
.
Please tighten the value if there is
appearance of looseness
Cover the valve with
bubble liquid(soap
solution) to check if
the valve can
exhaust gas cleanly
Staggered air bubble appears
The frequent tighten the valve if there is
appearance of open and close the value
is abnormal, in case happens, please
replace the valve at the same time,
please check the water lost status of the
battery.
Switch DC
power supply
Cut off AC power
supply and change
to UPS or DC power
supply
AC power supply switch to UPS
or DC power supply smoothly
Correct the potential difference