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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 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)