Hitachi C 18DL Technical Data And Service Manual page 11

(8) Do not insert foreign objects into the air vents on the charger.
The charger case is equipped with air vents to protect the internal electronic components from overheating.
Caution the customer not to allow foreign materials, such as metallic or inflammable objects, to be dropped or
inserted into the air vents. This could cause electrical shock, fire or other serious hazards.
(9) Do not attempt to disassemble the storage battery or the charger.
Special devices, such as a thermostat, are built into the storage battery and charger to permit rapid charging.
Incorrect parts replacement and/or wiring will cause malfunctions which could result in fire or other hazard.
Instruct the customer to bring these units to an authorized service center in the event repair or replacement is
necessary.
(10) Disposal of the storage battery.
Ensure that all customers understand that storage batteries should be turned to a Hitachi Power Tool sales
outlet or authorized service center when they are no longer capable of being recharged or repaired. If thrown
into a fire, the batteries may explode.
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