. SPECIFICATIONS

MAIN UNIT

 

Concrete

16.5 mm (21/32")*

Maximum drilling

*For work that can be completed with one battery pack.

 

( 12.5 mm (15/32") - 16.5 mm (21/32"))

diameter

Steel

13 mm (33/64")

 

 

 

 

 

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)

2.3 kg (5.1 lbs)

Overall length

 

249 mm (9-51/64")

 

 

 

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 kgf-cm)

 

 

 

 

Fastening

2

Approximately 2.5 N•m (25 kgf-cm)

 

 

 

 

Screws

3

Approximately 3.4 N•m (35 kgf-cm)

 

 

 

 

 

4

Approximately 4.4 N•m (45 kgf-cm)

 

 

 

 

 

5

Approximately 5.4 N•m (55 kgf-cm)

 

 

 

 

Drilling

(Drill Mark) Approximately 10.5 N•m (107 kgf-cm)

Drilling holes in wood and

Holes

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.

BATTERY PACK

Model

Storage battery

Battery voltage

Capacity

EY9L40

Li-ion Battery

14.4V DC (3.6 V x 4 cells) 3 Ah

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Image 15
Panasonic EY7840 operating instructions Specifications, Set according to the work environment of the site