Use and Care Manual

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VII. MAINTENANCE
Use only a dry, soft cloth for wiping the unit. Do not use a damp cloth, thinner, benzine, or

other volatile solvents for cleaning.
In the event that the inside of the tool or battery pack is exposed to water, drain and allow

to dry as soon as possible. Carefully remove any dust or iron lings that collect inside the
tool. If you experience any problems operating the tool, consult with a repair shop.
VIII. ACCESSORIES
Use only bits suitable for size of drill’s chuck.
IX. APPENDIX
MAXIMUM RECOMMENDED CAPACITIES
Model EY7441 EY7940
Screw
driving
Machine screw M5
Wood screw ø6.8 mm (17/64")
Self-drilling screw ø6 mm (15/64")
Drilling
For Wood ø35 mm (1-3/8")
For Metal ø13 mm (1/2")
For Masonry – 13 mm (1/2")
X. SPECIFICATIONS
MAIN UNIT
Model EY7441 EY7940
Motor voltage 14.4 V DC
No load
speed
Low 70 - 400 min
-1
(rpm)
High 200 - 1400 min
-1
(rpm)
Blows Rate
Per Minute
Low – 1260 - 7200 min
-1
(bpm)
High – 3600 - 25200 min
-1
(bpm)
Chuck capacity ø1.5 mm - ø13 mm (1/16" - 1/2")
Clutch torque
Approx. 0.5 N·m (5 kgf-cm, 4.3 in-lbs) –
4.4 N·m (45 kgf-cm, 39 in-lbs)
Approx. 1.0 N·m (10 kgf-cm, 8.7 in-lbs) –
4.4 N·m (45 kgf-cm, 37 in-lbs)
Overall length 193 mm (7-5/8") 200 mm (7-7/8")
Weight (with battery pack) 1.7 kg (3.75 lbs) 1.75 kg (3.86 lbs)
EY7441_EY7940_Book.indb 15 2010-7-15 14:32:24