User manual HITACHI DS18DL

[. . . ] IMPROPER OR UNSAFE use of this power tool can result in death or serious bodily injury!This manual contains important information about product safety. Please read and understand this manual BEFORE operating the power tool. Please keep this manual available for other users and owners before they use the power tool. [. . . ] In this state, the charge time lamp flashes red, and the battery cannot be charged immediately. Leave the battery inserted in the charger, and charging will commence when the battery cools down. If the lamp goes out while charging, disconnect the power cord, and leave for 3 to 5 minutes before reconnecting. if the problem persists , call for repairs. Leave 5 minutes between charging batteries as the charger may overheat leading to malfunction. The battery life is finished if it can only be used for short periods even when fully charged. Continuing to use a depleted battery may cause the charger to malfunction. NOTE: Charging times may be longer depending on the surrounding temperature and battery conditions. Charge time lamp indications are only a guide, and may vary depending on the surrounding temperature and battery conditions. Remove the battery from the charger when not in use. Revitalizing the battery (trickle recharge) A new battery or a battery that has not been used for extensive periods may not charge completely due to internal chemicals being inert. Leave the battery inserted in the charger for 8 to 12 hours after charging is complete. the charger automatically "revitalizes" the battery by trickle recharging. How to make the batteries perform longer (1) Recharge the batteries before they become completely exhausted. When you feel that the power of the tool becomes weaker, stop using the tool and recharge its battery. If you continue to use the tool and exhaust the electric current, the battery may be damaged and its life will become shorter. If such a battery is recharged immediately after use, its internal chemical substance will deteriorate, and the battery life will be shortened. Leave the battery and recharge it after it has cooled for a while. Check the work area to make sure that it is clear of debris and clutter. Clear the area of unnecessary personnel. Using the light equipped hook When using the hook, pay sufficient attention so that the main equipment does not fall. If the tool falls, there is a risk of accident. [. . . ] Take out the carbon brush by first removing the brush cap and then hooking the protrusion of the carbon brush with a flat head screw driver, etc. When installing the carbon brush, choose the direction so that the nail of the carbon brush agrees with the contact portion outside the brush tube. Then push it in with a finger as illustrated in Fig. CAUTION: Be absolutely sure to insert the nail of the carbon brush into the contact portion outside the brush tube. [. . . ]