OPERATING THE MACHINE
GTJZ0612E&0812E&1012E&1212E Operation Manual 7-7 © Mar. 2022
DAMAGED BATTERY HAZARD
• Only use the charger provided by
the manufacturer, and only con-
nect the charger to a grounded 3-
phase power outlet.
• Do not reverse the positive and
negative of the battery for
charging.
• Charge the battery as soon as
possible once the battery is
depleted.
• Do not deplete the battery more
than 80% of the standard capacity,
as frequent over-depletion of the
battery will shorten the battery
life.
• The battery must be charged fully,
as intermittent charging will bring
damage to the battery.
ELECTROCUTION HAZARD
• Contact with live circuit may
cause serious injury or death.
Make sure to wear goggles,
gloves and protective clothing.
• Remove all rings, watches and
other jewelry.
NOTICE
• The machine is delivered with a battery level less
than 80%, therefore it is recommended that the
battery be fully charged after receiving the
shipment.
• The charging current should not exceed the max
allowable charging current as specified on the
battery.
• The charging voltage should not exceed the max
allowable voltage as specified on the battery.
• The charging temperature range is -10℃~45℃. If
a charge heating system is available, the temper-
ature range is -20℃~45℃.
Charging the lead acid battery (requiring
maintenance)
Charging
1. Check the battery level on the display of ground
control box. When the battery level is less than or
equal to 20%, an alarm will be triggered and the bat-
tery needs to be charged immediately. For the pur-
pose of not affecting the normal operation of the
machine, it is recommended to charge the battery
when the battery level is lower than 30%.
Alternatively, open the cover on the battery and
measure the density of the electrolyte. If the
density of the electrolyte is less than 1.13kg/l, it
means that the battery has been over-dis-
charged (the depth of discharge exceeds 80%)
and must be charged immediately. This should
be avoided, as frequent over-discharge will re-
duce the service life of the battery.
Note: Measure the temperature of the elec-
trolyte, if it is higher than 45°C, wait for the
battery to cool before continuing the follow-
ing steps.
2. Completely power off the machine.
3. Connect the plug between the battery and the
charger cable. If the machine is equipped with an
automatic water refilling system, ensure that the re-
filling pipe is connected.
4. Connect the battery charger to a grounded AC cir-
cuit. When the battery is fully charged, the corre-
sponding indicator light will be on.
5. After charging is complete, disconnect the cable
plug from the battery to the charger.
Adding water
NOTICE
• The electrolyte level should be checked after
each charging, and if the level is found to be low,
add water in time.
• The water shall be added after charging. Adding
water before charging may cause acid overflow
during charging.
1. For batteries equipped with an automatic water re-
filling system, when the electrolyte is at the lowest
level with the battery fully charged (the white dot of
the battery observation hole is not at the top), add
water immediately. It is recommended to use an au-
tomatic water refilling machine for refilling, with the
operation steps as follows:
1) Open the bucket cover of the water refilling
machine.
2) Add deionized water.
3) Put back the bucket cover and connect the
water refilling plug.
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