Safety Regulations
These instructions contain important sections relating to safety.
Special attention must be paid to safety text inside frames, preceded by a warning symbol (triangle) followed
by a keyword as shown below:
!
DANGER
!
WARNING
!
CAUTION
Please also note the following general safety rules:
•
Before starting, read these instructions with care.
•
Before starting, read the separate safety instructions that form part of these instructions.
•
For safety reasons the product may not be modifi ed.
•
Use personal protective equipment. Observe local regulations.
•
The product may only be used for its intended purpose.
•
Replace damaged or worn signs or decals.
•
Only use Atlas Copco original parts
General
Cobra Combi is a combined drilling and hammering
machine. It is equipped to be used for breaking
asphalt and concrete and for drilling in concrete and
granite.
Data
Engine
Type ..............................................1 cylinder, two-stroke,
Cylinder displacement ..................185 cc
Speed, crankshaft (strokes/min) Full speed: 2500–2650 rev/min
Carburettor ...................................Membrantyp (Walbro)
Ignition system ..............................Thyristor type, breakerless
Spark plug (recommended) ..........Bosch WR7AC
Spark plug gap .............................1.5 mm (0.060 in.)
Starter ...........................................Magnapull
Fuel type .......................................Petrol 90-100 octane,
Oil type .........................................Atlas Copco two-stroke oil or a
Fuel mixture ..................................2% (1:50)
Tank capacity ................................1.2 litres
Fuel consumption .........................Approx. 1.1–1.4 litres/hour
denotes an imminent risk that WILL lead to serious or life-threatening injury if the
warning is ignored.
denotes a risk or potentially dangerous action that MAY lead to serious or life-
threatening injury if the warning is ignored.
denotes a risk or potentially dangerous action that MAY lead to injury or damage
to property if the warning is ignored.
air cooled
Idling: 1600–1800 rev/min
lead-free only
recommended two-stroke oil
(0.29 - 0.37 US gallons)
Capacities
Max. drilling depth .......................................... 2 m
Penetr. rate with 29 mm drill bit ...................... 200-350 mm/min
Penetr. rate with 34 mm drill bit ...................... 250-300 mm/min
Penetr. rate with 40 mm drill bit ...................... 150-200 mm/min
Other data
Tool shank .......................................................... H 22x108 mm
Machine weight ................................................... 25,6 kg
Service weight (machine incl. fuel and tools) ..... 27,8 kg
Length................................................................. 732 mm
Width, max. ......................................................... 470 mm
Declaration of noise and vibration emission
Sound *
Lp measured, r = 1m
Lw guaranteed
Vibration according to EN28662-5
Measured vibration value
Spread in method and
production
*)
Sound effect according to EN ISO 3744 in accordance
with directive 2000/14/EG.
English
English
dB(A) rel
100
20mPa
dB(A) rel
110
1pW
a m/s2
5,0
ka m/s2
3,5
5
5