User manual HITACHI DN12DYK

[. . . ] 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. [. . . ] Other type of batteries may burst causing personal injury and damage. Do not expose battery charger to rain or snow. Use of an attachment not recommended or sold by the battery charger manufacturer may result in a risk of fire, electric shock, or injury to persons. To reduce risk of damage to electric plug and cord, pull by plug when disconnecting battery charger. Make sure cord is located so that it will not be stepped on, tripped over, or otherwise subjected to damage or stress. An extension cord should not be used unless absolutely necessary. Use of improper extension cord could result in a risk of fire and electric shock. If extension cord must be used make sure: a. That blades of extension cord are the same number, size, and shape as those of plug on battery charger: b. that extension cord is properly wired and in good electrical condition; and c. That wire size is large enough for AC ampere rating of battery charger as specified in Table 1. Table 1 RECOMMENDED MINIMUM AWG SIZE FOR EXTENSION CORDS FOR BATTERY CHARGERS AC Input Rating Amperes* Equal to or greater than 0 2 3 but less than 2 3 4 AWG Size of Cord Length of Cord, Feet (Meter) 25 (7. * If the input rating of a battery charger is given in watts rather than in amperes, the corresponding ampere rating is to be determined by dividing the wattage rating by the voltage rating­for example: 1250 watts = 10 amperes 125 volts 9. Do not operate battery charger with damaged cord or plug-replace them immediately. Do not operate battery charger if it has received a sharp blow, been dropped, or otherwise damaged in any way; take it to a qualified serviceman. Do not disassemble battery charger; take it to a qualified serviceman when service or repair is required. Incorrect reassembly may result in a risk of electric shock or fire. To reduce risk of electric shock, unplug charger from receptacle before attempting any maintenance or cleaning. Removing the battery will not reduce this risk. You must charge the battery before you can use the cordless angle drill. Before using the model UC12SD, UC14YF2 or UC24YFA battery charger, be sure to read all instructions and cautionary statements on it, the battery and in this manual. Follow these instructions to avoid the risk of injury: Improper use of the battery or battery charger can lead to serious injury. [. . . ] This will decrease operational efficiency and shorten the life of this POWER TOOL. CAUTION: The motor rotation may be locked to cease while the Cordless angle drill is used as a drill. The motor must be burnt or the battery life must remarkably be reduced when the locked condition is continued for several seconds. Drilling a hole in the metal exerts considerable force on the edge of the hole so that the drill bit may slip from the keyless chuck. [. . . ]