When the battery charger has been continuosly used, the battery charger will be heated,
thus constituting the cause of the failures. Once the charging has been completed, give
15 minutes rest until the next charging.
If the battery is rechraged when it is warm due to battery use or exposure to sunlight,
the pilot lamp may light in green.
The battery will not be recharged. In such a case, let the battery cool before charging.
When the pilot lamp flickers in red (at 0.2–second intervals), check for and take out any
foreign objects in the charger's battery installation hole. If there are no foreign objects,
it is probable that the battery or charger is malfunctioning. Take it to your authorized
Check the work area to make sure that it is clear of debris and clutter.
Clear the area of unnecessary personnel. Ensure that lighting and ventilation is adequate.
MAINTENANCE AND INSPECTION
CAUTION: Pull out battery before doing any inspection or maintenance.
1. Check the Screws
Loose screws are dangerous. Regularly inspect them and make sure they are tight.
CAUTION: Using this battery charger with loosened screws is extremely dangerous.
2. Check for Dust
Dust may be removed with a soft cloth or a cloth dampened with soapy water.
Do not use bleach, chlorine, gasoline or thinner, for they may damage the plastics.
Storing in a place below 104°F (40°C) and out of the reach of children.
SERVICE AND REPAIRS
All quality power tools will eventually require servicing or replacement of parts because of
wear from normal use. To assure that only authorized replacement parts will be used, all
service and repairs must be performed by a HITACHI AUTHORIZED SERVICE CENTER,
NOTE: Specifications are subject to change without any obligation on the part of the