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* 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 rating-for example:
9. Do not operate battery charger with damaged cord or plug-replace them immediately.
10. 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.
11. 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.
12. To reduce risk of electric shock, unplug charger from receptacle before attempting any
maintenance or cleaning. Removing the battery will not reduce this risk.
13. This battery charger might be attached to HITACHI battery operated tools as a standard
accessory. In this case, please confirm Instruction Manual of the HITACHI battery
operated tools before using the battery charger.
IMPORTANT SAFETY INSTRUCTIONS FOR USE OF THE
BATTERY AND BATTERY CHARGER
You must charge the battery before you can use the cordless rotary hammer. Before using
the model UC24YFB battery charger, be sure to read all instructions and cautionary
statements on it, the battery and in this manual.
REMEMBER: USE ONLY HITACHI BATTERY TYPE EB2420. OTHER TYPES OF BATTERIES
MAY BURST AND CAUSE INJURY!
Follow these instructions to avoid the risk of injury:
WARNING: Improper use of the battery or battery charger can lead to serious injury.
To avoid these injuries:
1. NEVER disassemble the battery.
2. NEVER incinerate the battery, even if it is damaged or is completely worn out. The
battery can explode in a fire.
Table 1
RECOMMENDED MINIMUM AWG SIZE FOR
EXTENSION CORDS FOR BATTERY CHARGERS
AC Input Rating Amperes* AWG Size of Cord
Equal to or but less Length of Cord, Feet (Meter)
greater than than 25 (7.5) 50 (15) 100 (30) 150 (45)
0 2 18 18 18 16
2 3 18 18 16 14
3 4 18 18 16 14
1250 watts
125 volts
= 10 amperes
01e_dh24dv_e.p65 4/13/04, 11:29 PM9