Technical data
Products
Description
Tool shank size, mm (in.)
Part number
Cobra Combi
22 X 108 (
7
⁄
8
x 4
1
⁄
4
)
8318 0800 08
Machine data
Cobra Combi
Weight, kg (lb)
25 (55.1)
Length, mm (in.)
732 (28.8)
Depth, mm (in.)
281 (11)
Width max, mm (in.)
585 (23)
Engine Type
1 cylinder, two-stroke
Cylinder displacement (cc)
185
Power, kW (hp)
2.0 (2.7)
Engine management system
Diaphragm carburettor
Cooling system
Fan cooled
Fuel type
Petrol (gasoline), Unleaded (non-alcylat), 90–100 octane
Fuel consumption, litres/hour (gallon/hour)
1.3–1.5 (0.34–0.40)
Fuel tank capacity, litres (oz)
1.2 (40.6)
Fuel mixture
2% (1:50)
Oil type
Atlas Copco two-stroke oil or Castrol TTS
Impact energy, J
22–25 (at 2,700 bpm)
Full speed, loaded machine with tamping tool on bed of sand,
crankshaft (strokes/min)
2,600–2,900
Speed, unloaded machine, idling (strokes/min)
1,600–1,800
Starter
Magnapull
Ignition system
Thyristor type, breakerless
Spark plug (recommended)
Bosch WR7ACY
Spark plug gap, mm (in.)
1.5 (0.060)
Ambient temperature, C° (F)
-15 to +37 (5 to 98.6)
Capacities
Cobra Combi
Max drilling depth, m (ft.)
6 (19.7)
Penetration rate with 29 mm drill bit, mm/min (in./min)
250–350 (9.8-13.8)
Penetration rate with 34 mm drill bit, mm/min (in./min)
200–300 (7.9-11.8)
Penetration rate with 40 mm drill bit, mm/min (in./min)
150–200 (5.9-7.9)
COBRA COMBI
Safety and operating instructions
© Atlas Copco Airpower | 9800 0955 01 | 2018-01-01
Original instructions
19
