Panasonic EY7840 - Manual (Page 14)

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VIII. SPECIFICATIONS
MAIN UNIT
Concrete 16.5 mm (21/32")*
*For work that can be completed with one battery pack.
( 12.5 mm (15/32") - 16.5 mm (21/32"))
Steel 13 mm (1/2")
Maximum drilling
diameter
Wood 18 mm (23/32")
Motor voltage 14.4 V DC
Speed at no load (RPM) 0-1000 min -1 (rpm)
Blows rate per minute (BPM) 0-3800 min -1 (bpm)
Weight
(with battery pack: EY9L40)
2.3 kg (5.1 lbs)
Weight
(with battery pack: EY9L41)
2.4 kg (5.3 lbs)
Overall length 249 mm (9-51/64")
Noise, Vibration See the included sheet
GUIDELINE TABLE
• Select the torque for fastening screws with the clutch handle.
• Guide for the selection of torque
Depending on the job, adjustments are possible in five levels by approximately 1 N·m (10
k g f-cm) increments.
Guide Depending on Material
Concrete Block Setting Torque
(A) (B) (A) (B)
1 Approximately 1.5 N·m (15 k g f-cm)
2 Approximately 2.5 N·m (25 k g f-cm)
3 Approximately 3.4 N·m (35 k g f-cm)
4 Approximately 4.4 N·m (45 k g f-cm)
Fastening
Screws
5 Approximately 5.4 N·m (55 k g f-cm)
Drilling
Holes (Drill Mark) Approximately 10.5 N·m (107 k g f-cm) Drilling holes in wood and metal
(A) For fastening screws into plastic anchor which requires dia. 6.0 mm (1/4") prehole in the concrete.
(B) For directly fastening screws into concrete (like topcon) with dia. 3.5 mm (1/8") prehole.
NOTE: This is only a rough guide. Required torque is different depending on the
shape, material, and application of the screws.
Set according to the work environment of the site.