User manual HITACHI DS14DMR

[. . . ] Model Variable speed Modèle Modelo IMPROPER OR UNSAFE use of this power tool can result in death or serious bodily injury!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. Read and understand all of the safety precautions, warnings and operating instructions in the Instruction Manual before operating or maintaining this power tool. [. . . ] If there are no foreign objects, it is probable that the battery or charger is malfunctioning. As the internal chemical substance of new batteries and batteries that have not been used for an extended period is not activated, the electric discharge might be low when using them the first and second time. this is a temporary phenomenon , and normal time required for recharging will be restored by recharging the batteries 2 ­ 3 times. 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. When the plug of battery charger has been inserted into the receptacle, the charge status lamp will blink in red. When the battery is connected to the battery charger, charging starts, and the charge time lamp lights red, orange, or green according to the remaining charging time. (See Table 4) (1) Lamp indications This charger is equipped with a charge time lamp that indicates remaining charging time , and a charge status lamp that indicates battery status as shown in Table 4. (a) Charging time After charging commences, the charge time lamp lights red indicating 30 minutes, orange indicating 20 minutes, and green indicating 5 minutes until completion. When the battery is fully charged, the charge status lamp lights green, and the buzzer sounds continuously for 6 seconds. Leave the battery inserted in the charger, and charging will commence when the battery cools down. (c) Charging impossible When there is a malfunction with the battery or charger, the charge status lamp flashes orange rapidly (in 0. 2 second intervals), and the buzzer sounds intermittently for 5 seconds. Lamp indications Charge time lamp (red/ orange/ green) Charge status lamp (red/ orange/ green) Charging time 30 minutes Charging time 20 minutes Charging time 5 minutes Overheat standby Before charging Charging complete Charging impossible Lights red Lights orange Lights green Blinks red Blinks red Lights green Blinks orange Lights continuously Lights continuously Lights continuously Lights for 0. (2) Regarding the temperature of the rechargeable battery The temperatures for rechargeable batteries are as shown in the table below, and batteries that have become hot should be cooled for a while before being recharged. Table 5 Rechargeable batteries EB1830HL Recharging of batteries that have become hot Temperatures at which the battery can be recharged 32°F--122°F (0°C--50°C) CAUTION: Do not pull the plug out of the receptacle by pulling on the cord. Make sure to grasp the plug when removing from receptacle to avoid damaging cord. Supporting the battery charger with hand, pull out the battery from the battery charger. CAUTION: G G Repair is required if the receptacle is not secured properly or the power cord does not stay in the receptacle. 2 second intervals) and the buzzer sounds intermittently for 5 seconds, check that the hole for connecting the battery is not obstructed. [. . . ] If worn or broken bits can slip or decrease the efficiency of the motor and burn it out. CAUTION: If you use a driver bit of which point is worn or broken, it will be dangerous since it slips. CAUTION: Using this power tool with loosened screws is extremely dangerous. The motor unit winding is the very "heart" of the power tool. [. . . ]