Operation Manual
0458-708-0121-A
9
English 
4 Safety Precautions
4.6.3 Battery
The battery is in a safe condition if the following points are 
observed:
– Battery is undamaged.
– Battery is clean and dry.
– Battery functions properly and has not been modified.
WARNING
■ A battery that is not in a safe condition cannot operate 
safely. This can result in serious injuries.
► Never work with a damaged battery.
► Never attempt to charge a damaged or defective 
battery.
► If the battery is dirty or wet: Clean the battery and allow 
it to dry.
► Never attempt to modify the battery.
► Never insert objects in the battery’s openings.
► Never bridge the battery's contacts with metallic objects 
(short circuit).
► Do not open the battery.
■ Fluid may escape from a damaged battery. The fluid can 
cause irritation if it contacts the skin or eyes.
► Avoid contact with the fluid.
► In case of contact with the skin: Wash affected areas 
with plenty of water and soap.
► In case of contact with the eyes: Rinse eyes with plenty 
of water for at least 15 minutes and seek medical 
advice.
■ A damaged or defective battery may smell unusual, emit 
smoke or burn. This can result in serious or fatal injuries 
and damage to property.
► If the battery smells unusual or emits smoke: Do not use 
the battery and keep it away from combustible 
substances.
► If the battery catches fire: Attempt to extinguish the 
battery with a fire extinguisher or water.
4.6.4 Charger
The charger is in a safe condition if the following points are 
observed:
– Charger is undamaged.
– Charger is clean and dry.
WARNING
■ If the product does not comply with safety requirements, 
components will no longer function properly or safety 
devices may be rendered inoperative. This can result in 
serious or fatal injuries.
► Do not use a damaged charger.
► If the charger is dirty or wet: Clean the charger and allow 
it to dry.
► Never attempt to modify the charger.
► Never insert objects in the charger’s openings.
► Never bridge the charger's contacts with 
metallic objects (short circuit).
► Do not open the charger.










