- 17 -
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 filings 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
EY74A1
Screw
driving
Machine screw
M5
Wood screw
ø6.8 mm (17/64
”
)
Drilling
Self-drilling screw
ø6 mm (15/64
”
)
For Wood
ø35 mm (1-3/8
”
)
For Metal
ø13 mm (1/2
”
)
For Masonry
–
ø13 mm (1/2
”
)
–
X. SPECIFICATIONS
MAIN UNIT
Model
EY7441
EY7940
EY74A1
Motor voltage
14.4 V
14.4 V
18 V
No load
speed
Low
70~400 min
-1
(rpm)
50~480min
-1
(rpm)
80~600min
-1
(rpm)
High
200~1400 min
-1
(rpm)
130~1400min
-1
(rpm)
220~1750min
-1
(rpm)
Blows Rate
Per Minute
Low
–
1260~7200
min
-1
(rpm)
–
–
High
–
3600~25200
min
-1
(rpm)
–
–
Chuck capacity
ø1.5 mm - ø13 mm (1/16
”
-1/2
”
)
Clutch torque
Approx 0.5N m-
4.4Nm
(4.3in-lbs -
39in-lbs)
Approx 1.0N m-
4.4Nm
(8.7in-lbs -
39in-lbs)
Approx 0.5N m-4.4Nm
(4.3in-lbs - 39in-lbs)
Overall length
193 mm (7-5/8
”
)
200 mm (7-7/8
”
)
203 mm (8
”
)
Weight (with battery pack EY9L44) 1.75 kg (3.86lbs) 1.8 kg (3.97lbs) 1.85 kg (4.08lbs)
–
Weight (with battery pack EY9L45) 1.75 kg (3.86lbs) 1.8 kg (3.97lbs) 1.85 kg (4.08lbs)
–
Weight (with battery pack EY9L50)
–
–
–
1.95 kg (4.30lbs)
Weight (with battery pack EY9L51)
–
–
–
1.95 kg (4.30lbs)
EY7441_EY7940_Book.indb 17
2012-10-10 10:12:29
