Panasonic EY7840: VIII. SPECIFICATIONS

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"))

Maximum drilling

diameter

Steel

13 mm (1/2")

Wood

18 mm (23/32")

Motor voltage 14.4 V DC

-1

Speed at no load (RPM) 0-1000 min

(rpm)

-1

Blows rate per minute (BPM) 0-3800 min

(bpm)

Weight

- 14 -

with batter

ack: EY9L40

2.3 k

g

(5.1 lbs)

Weight

with batter

ack: EY9L41

2.4 k

g

(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

kgf-cm) increments.

Guide Depending on Material

Setting Torque

Concrete Block

(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)

Fastening

Screws

3 Approximately 3.4 N·m (35 k

g

f-cm)

4 Approximately 4.4 N·m (45 k

g

f-cm)

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.