Batteries; Charging The Batteries - Otto Bock C2000 Service Instructions Manual

6.3 Batteries
CAUTION
Risk of injury while working on the battery.
• Smoking and open flame are prohibited while working on the battery. Sparks must be avoided.
• Explosive gases can develop while the batteries are charging. Observe the safety instructions pro-
vided by the battery manufacturer. Wear protective goggles. Ensure sufficient ventilation when charg-
ing the batteries in an enclosed room.
• Drive batteries can supply very large amounts of energy. They may arc if they are short-circuited.
Therefore, always disconnect the batteries when working on the motor control or wiring.
CAUTION
Risk of injury due to electric current. Always remove the main fuse before doing any work on the

batteries.

CAUTION
Risk of injury during tasks that involve lifting. The weight of a battery is approximately 40 kg. When
removing or installing the batteries, use hoisting devices of sufficient capacity or complete these tasks
with the support of a helper.
NOTICE
Risk of battery damage due to falling. Hoisting devices used for transportation must have a sufficient
capacity. Secure the batteries against falling.
NOTICE
Risk of battery damage.
• In order to prevent short circuits, always use insulated tools when working on the batteries.
• Prevent deep discharge of the batteries in order to avoid loss of functionality and permanent battery
damage.
• Ensure correct polarity is used when connecting the batteries and battery capacity meter.
The standard version of the C2000 power wheelchair includes two low-maintenance 12 V gel batter-
ies. The batteries are located under the seat of the power wheelchair.

6.3.1 Charging the Batteries

WARNING
Risk of injury due to explosive gases. Explosive gases can develop while the batteries are charging.
The following safety instructions must be followed under all circumstances:
• Ensure sufficient ventilation when charging the batteries in an enclosed room.
• Smoking and fire are not permitted.
• Sparks must be avoided.
• Do not cover the air vents in the trim.
WARNING
Explosion hazard due to sparks. Always switch off the battery charger and remove the mains plug
before disconnecting the battery.
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