Atlas Copco Cobra mk1 Manual de usuario

Cobra mk1

The hardest-hitting gasoline-powered breaker

44 foot pounds

of impact energy

Hitting at an incredible 44 foot pounds, the Cobra mk1 offers

the same power-to-weight ratio as many pneumatic or hydraulic

breakers. That’s almost twice the impact energy of other gasoline-

powered breakers.

Low vibration levels

Yet despite the high impact energy, vibration levels are reduced

due to a unique, patented vibration dampening system.

High productivity

High percussive energy, in combination with high percussive

frequency, means you get the job done faster. Add them up, and

you’ll see why the Cobra mk1 is the most productive gasoline-

powered breaker on the market.

Whatever the job

There are of course no compressors, hoses or cables to set up

with a gasoline breaker making it ideal for smaller jobs. And with

an extensive range of tools, you can use the Cobra mk1 for every-

thing from cutting and breaking, to driving and compacting.

You can use the Cobra mk1 to:

nbreak concrete

ncut asphalt

ndig

ndrive posts and fences

ndrive rods and spikes

ntamp and compact soil

ntamp ballast/ties

Digging BreakingTamping

Cutting

Technical Data

Weight Length Depth

Width over

handles Sound level Vibration level

lb in in in (Acc. to ISO 3744) (Acc. to ISO 8662)

55 36.48 13.02 24.04 109 dB 2.3m/s2

Model Tool Shank Part number

Cobra mk1 1 1/4” x 6” 8318 0700 03

Cobra mk1 1 1/8” x 6” 8318 0700 07

Capacity

Impact energy Impact rate

foot pounds bpm

40-44 (at 1440 bpm) 720-1440

Engine

Type Power Cooling system Starter system

Recommended

fuel Oil type Oil mix Fuel capacity Fuel consumption

90 cc single cylinder

two-stroke

2.7 hp

(at 5800 rpm)

Fan cooled Recoil starter gas, 90-100 octane

leaded or unleaded

Atlas Copco two-

stroke oil or similar

2% (1:50) 0.26 US gallon 0.34 US gallon/hour

Vibro-reduction

The patented vibration-

dampening system features

leaf springs rather than

rubber bushings or

spiral springs.

Easy to start

With a decompression valve

and electronic ignition, the

Cobra mk1 is easy to start.

Ships complete with

Chuck and shank templates,

replacement spark plug and

starter rope, 1 liter oil, owner's,

spare parts and safety manuals,

and CE declaration.

Low emissions

The Cobra mk1 meets tough

emission requirements, and has

been EPA 1-approved.

Hand and arm protection

Atlas Copco’s unique Hand and Arm

Protection System (HAPS) reduces the

negative effects of harmful vibrations.

Long lifetime

The high capacity air filter

ensures a long working

lifetime, even when large

quantities of dust and airborne

particles are present. It’s easy

to get to the air filter for quick

and easy servicing.

Low noise

An effective silencer ensures

that the Cobra mk1 meets

the current European Noise

Emission Directive (NED).

Easy to transport

The Cobra mk1 weighs just 55 pounds and fits easily

into car trunks. A wooden transport box is available.

Atlas Copco Construction Tools Inc.

37 Capital Drive, West Springﬁeld MA 01089

Tel (800) 760–4049 Fax (800) 952–7975

www.atlascopco.com/cto

Description Shank Blade Size Working Length Weight Part Number

(in) (in) (in) (lbs)

1Moil Point 1 1/8 x 6 14 6 3083 3267 00

18 7 3083 4015 10

24 9 3083 4015 20

36 12 3083 4015 30

1 1/4 x 6 14 7 3083 3285 00

18 8 3083 4000 10

24 11 3083 4000 20

36 15 3083 4000 30

2Narrow Chisel 1 1/8 x 6 14 6 3083 3268 00

18 7 3083 4016 10

24 9 3083 4016 20

36 12 3083 4016 30

1 1/4 x 6 14 7 3083 3286 00

18 8 3083 4001 10

24 11 3083 4001 20

36 15 3083 4001 30

3Wide Chisel 1 1/8 x 6 3 x 2 15 7 3083 3289 00

3 x 2 18 8 3083 4017 00

3 x 2 24 10 3083 4017 10

3 x 2 36 15 3083 4017 20

1 1/4 x 6 3 x 2 15 8 3083 3295 00

3 x 2 18 10 3083 4002 00

3 x 2 24 12 3083 4002 10

3 x 2 36 18 3083 4002 20

4Asphalt Cutter 1 1/8 x 6 5 x 6 13 9 3083 3292 00

1 1/4 x 6 5 x 6 13 9 3083 3298 00

5Digging Chisel 1 1/8 x 6 3 x 9 15 9 3083 3297 00

1 1/4 x 6 3 x 9 15 9 3083 3921 00

6Clay Spade 1 1/8 x 6 5.5 x 9 15 12 3083 3299 00

1 1/4 x 6 5.5 x 9 15 10 3083 3293 00

7Frost Wedge 1 1/8 x 6 2 x 12 16 11 3083 3294 00

1 1/4 x 6 2 x 12 16 12 3083 3300 00

Shank for

Tamping pad* 1 1/8 x 6 9 4 3083 3269 00

1 1/4 x 6 9 5 3083 3287 00

9Tamping pad* 7 (diameter) 16 3083 3301 00

6 x 6 18 3083 3302 00

* choose shank size appropriate for your mk1 model (item 8)

A tool for every job

At Atlas Copco, we maintain a comprehensive range

of chisels so that you can select the right tool for

the job.

Atlas Copco chisels are among the hardest

wearing on the market. A controlled heat treat-

ment process imparts both strength and high wear

resistance to deep surface layers while maintaining a highly

shock resistant central core to resist breakage.

The striking face is end-milled resulting in better con-

tact between the piston and the tool, improved transfer of

energy, as well as less vibration and wear on both hammer

and chisel.

1. Moil point

2. Narrow chisel

3. Wide chisel

4. Asphalt cutter

5. Digging chisel

7. Frost wedge

8. Shank for

tamping pad*

9. Tamping pad*

6. Clay spade

Accessories

Description Size Part number

Gloves, gel-ﬁlled, general XL 9800 0070 01

XXL 9800 0098 01

Gloves, gel-ﬁlled, summer L 9800 0434 01

XL 9800 0435 01

Gloves, gel-ﬁlled, winter L 9800 0290 01

XL 9800 0291 01

2-stroke oil 1.0 litre / 0.26 gallon 9238 2743 50

Cart 9234 0006 54

Transport box 9234 0009 91

Use only authorized parts. Any damage or malfunction caused by the use of unauthorized parts is not

covered by Warranty or Product Liability.

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