PRE-OPERATION INSPECTION
GTZZ15J Operation Manual 5-7 © Nov. 2022
Inspect maintenance-free batteries
• Wear protective gloves properly.
• Ensure that the connections of battery cable have
not been corroded.
• Ensure that the battery is installed reliably and the
cable is connected tightly.
• Connect the battery charger cables to the correct
terminals on the battery (the red cable to the
positive, and the black cable to the negative).
• Connect the charging plug to a 220V socket.
Result: The battery could be charged normally, and
the charge indicator is lit.