COBRA Safety and operating instructions Petrol drills and breakers © 2010 Atlas Copco Construction Tools AB | No.
COBRA COMBI Contents Contents Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 About the Safety and operating instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Safety instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Safety signal words. . . . . . . . . . . .
Contents COBRA COMBI Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Storage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Disposal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Technical data. .
COBRA COMBI Safety and operating instructions Introduction Thank you for choosing a product from Atlas Copco. Since 1873, we have been committed to finding new and better ways of fulfilling our customers' needs. Through the years, we have developed innovative and ergonomic product designs that have helped customers improve and rationalize their daily work. Atlas Copco has a strong global sales and service network, consisting of customer centers and distributors worldwide.
Safety and operating instructions COBRA COMBI Drugs, alcohol or medication Safety instructions To reduce the risk of serious injury or death to yourself or others, read and understand the Safety and operating instruction before installing, operating, repairing, maintaining, or changing accessories on the machine.
COBRA COMBI ► Avoid contact with the warm exhaust pipe or the bottom of the machine. ► Never drill in an old hole. DANGER Fuel hazard The fuel is extremely flammable and petrol fumes can explode when ignited, causing serious injury or death. ► Protect your skin from contact with the fuel. If fuel has penetrated the skin, consult a qualified health professional. ► Never remove the filler cap, and never fill the fuel tank when the machine is hot.
Safety and operating instructions COBRA COMBI WARNING Dust and fume hazard Dusts and/or fumes generated or dispersed when using the machine may cause serious and permanent respiratory disease, illness, or other bodily injury (for example, silicosis or other irreversible lung disease that can be fatal, cancer, birth defects, and/or skin inflammation).
COBRA COMBI WARNING Projectiles Failure of the work piece, of accessories, or even of the machine itself may generate high velocity projectiles. During operating, splinters or other particles from the working material may become projectiles and cause personal injury by striking the operator or other persons. To reduce these risk: ► Use approved personal protective equipment and safety helmet, including impact resistant eye protection with side protection.
Safety and operating instructions COBRA COMBI ► Participate in health surveillance or monitoring, medical exams and training programs offered by your employer and when required by law. ► When working in cold conditions wear warm clothing and keep hands warm and dry. See the ”Noise and vibration declaration statement” for the machine, including the declared vibration values. This information can be found at the end of these Safety and operating instructions.
COBRA COMBI Safety and operating instructions ► Wait until the front cover, exhaust pipe, and bottom of the machine has cooled down before carrying out maintenance work. CAUTION Hot insertion tool The tip of the insertion tool can become hot and sharp when used. Touching it can lead to burns and cuts. ► Never touch a hot or sharp insertion tool. ► Wait until the insertion tool has cooled down before carrying out maintenance work.
Safety and operating instructions COBRA COMBI Main parts Overview To reduce the risk of serious injury or death to yourself or others, read the Safety instructions section found on the previous pages of this manual before operating the machine. Design and function 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.
COBRA COMBI Safety and operating instructions Noise level label Labels The machine is fitted with labels containing important information about personal safety and machine maintenance. The labels must be in such condition that they are easy to read. New labels can be ordered from the spare parts list. WA xxx dB The label indicates the guaranteed noise level corresponding to EC-directive 2000/14/EC. See "Technical data" for accurate noise level. Warning label Data plate A C B D A.
Safety and operating instructions COBRA COMBI Filling procedure 1. Stop the engine and let it cool down before filling the tank. Transport WARNING Fuel hazard ► Empty the tank before transport. 2. The machine must be in the upright position when filling with fuel. 3. Release the filler cap slowly to let any pressure escape. Installation Fuel Two-stroke oil The fuel is petrol with a 2% oil mixture (1 part oil to 50 parts petrol). Always use high quality lead-free petrol (non-alkylat).
COBRA COMBI Safety and operating instructions Checking for wear on the tool shank 22mm 108mm Operation Use the gauge that corresponds to the insertion tool’s shank dimension. See section "Technical data" for correct tool shank dimensions. Fitting and removing the insertion tool Whenever fitting or removing the insertion tool the following instructions must be observed: 1. Stop the machine and wait until the inserted tool has cooled down.
Safety and operating instructions COBRA COMBI Start and stop Operating Cold start Starting a cut 1. Close the choke by turning the choke control anticlockwise to position (CHOKE). ♦ Stand in a stable position with your feet well away from the inserted tool. 2. Push the throttle lever down and pull the starter handle. ♦ Press the machine against the working surface before you start. ♦ The working speed of the machine is controlled via the throttle lever.
COBRA COMBI Safety and operating instructions Function selector: Drilling and breaking Drilling ● Drilling 1. Before drilling, check that the flushing hole in the drill steel is not blocked. Turn the function selector downwards. This will engage rotation and flushing air. 2. Stand in a stable position with your feet well away from the inserted tool. 3. Press the inserted tool against the place where you wish to drill. 4.
Safety and operating instructions COBRA COMBI In order to ensure that the machine remains within the stated vibration level values, the following checks must be performed: When taking a break ♦ Stop the machine during breaks. ♦ During all breaks you must put the machine away so that there is no risk for unintentional start. Maintenance Regular maintenance is a basic requirement for the continued safe and efficient use of the machine. Follow the maintenance instructions carefully.
COBRA COMBI Fitting a new starter cord 4. Oil the needle bearing in the starter pulley. Safety and operating instructions ♦ We recommend to store the machine in a standing position. If stored in a lying position, the machine must be placed on the back cover. ♦ Keep the machine and tools in a safe place, out of the reach of children and locked up. Disposal 5. Fit the starter pulley and protective cover together, so that the starting spring locates in the starter pulley.
Safety and operating instructions COBRA COMBI Technical data Products Description Tool shank size, mm (in.) Part number Cobra Combi 22 X 108 (7⁄8 x 4 1⁄4) 8313 0800 08 Machine data Cobra Combi Type 1 cylinder, two-stroke, air cooled Cylinder displacement (cc) 185 Power kw (hp) 2.0 (2.
COBRA COMBI Safety and operating instructions by an individual user are unique and depend upon the way the user works, in what material the machine is used, as well as upon the exposure time and the physical condition of the user, and the condition of the machine.
Safety and operating instructions COBRA COMBI EC Declaration of Conformity EC Declaration of Conformity (EC Directive 2006/42/EC) We, Atlas Copco Construction Tools AB, hereby declare that the machines listed below conform to the provisions of EC Directive 2006/42/EC (Machinery Directive) and 2000/14/EC (Noise Directive), and the harmonised standards mentioned below.
© 2010 Atlas Copco Construction Tools AB | No. 9800 0955 01b | 2010-01-01 Any unauthorized use or copying of the contents or any part thereof is prohibited. This applies in particular to trademarks, model denominations, part numbers, and drawings. www.atlascopco.