12
Temperature
of the
battery
Test the
temperature of the
terminal and battery
surface by infrared
thermometer
Under 35
℃
Determine reason for
temperature being
above standard value
and proceed on relevant
course of action.
Connection
Parts
Check the tightness
of terminal
bolt/screw with
torque spanner
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
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
6.2.2 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.
