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10

© 2006 Atlas Copco Construction Tools AB 

|

 No. 9800 0656 01  

|

 2006-10-01

Overhauling instructions

COBRA 

COMBI

Additional safety instructions

Machines and accessories must only be used 

for their intended purpose.
Only qualified and trained persons may operate 

or maintain the machine.
Keep your hand away from the start and stop 

device until work is to begin.
Learn how the machine is switched off in the 

event of an emergency.
The machine should be operated at reduced 

power when drilling is started. 
Release the start and stop device in case of 

interruption of the energy supply.
Always inspect the equipment prior to use.  

Do not use equipment if you suspect that it 

could be damaged.
Check the insertion tools for wear or damages 

at regular intervals. Do not use worn out or 

damaged insertion tools.
Always use your common sense and good 

judgment.  
Do not use the machine when you are tired or 

under the influence of drugs, alcohol or anything 

else that may affect your vision, reactions or 

judgement.  
Participate in safety and training courses. 
Never strike or abuse any equipment.
Keep the machine and tools in a safe and locked 

place out of reach of children.
Make sure that the all attached and related 

equipment is properly maintained.  
Signs and stickers that are important for your 

safety and the care of the machine are included 

with every machine. New signs and stickers can 

be ordered using the spare parts list.



Protective equipment

Always use approved personal protective 

equipment. Operators and other persons in the 

work area must wear protective equipment, 

including at a minimum:

Protective helmet
Hearing protection
Impact resistant eye protection with side 

protection
Respiratory protection when appropriate
Protective gloves 
Protective boots

Service and maintenance 

Regular maintenance is a prerequisite for keeping 

the machine a safe tool. Carefully follow the 

operating instructions.  

Use only authorized parts. Any damage or 

malfunction caused by the use of unauthorized 

parts is not covered by Warranty or Product 

Liability.
Change damaged parts immediately. 
Replace damaged and worn out components in 

good time. 
For major service to the machine, contact your 

nearest authorized Atlas Copco workshop. 
When cleaning mechanical parts with solvent, 

make sure that current health and safety 

regulations are complied and that the ventilation 

is satisfactory.

Machine tools

Keep the tools clean and in a good condition. 

Check tools regulary and make sure that they 

are sharp.






www.CrowderSupply.com • Toll Free: 888-883-5144

Crowder 

Supply 

Co., 

Inc. 

• 8495 

Roslyn 

St., 

Commerce 

City, 

CO 

80022 

• Toll 

Free: 

888-883-5144 

• www.CrowderSupply.com

Summary of Contents for Cobra Combi

Page 1: ... 9800 0656 01 2006 10 01 COBRA COMBI COBRA Overhauling instructions Petrol drills and breakers www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 2: ...www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 3: ...on 23 Flywheel 23 Electronic unit and induction coil 24 Crankshaft 24 Muffler 26 Cylinder complete 26 Hammer piston 29 Piston guide 30 Ratchet housing 31 Drill chuck 32 Drill housing 33 ASSEMBLY 35 Drill housing 35 Drill chuck 37 Ratchet 37 Hammer piston 38 Drill function 39 Cylinder 39 Crankcase and crankshaft 40 Crankcase cover 41 Induction coil 41 Electronic unit 42 Flywheel 42 Engine piston 43...

Page 4: ...t 53 Back cover 53 Start cover 54 Filter cassette 56 Front cover 56 Top cover 56 Spark plug 56 TEST RUN 57 Start preparations 58 Setting nozzle 58 www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 5: ...alified and trained persons may operate or maintain the machine Use only authorized parts Any damage or malfunction caused by the use of unauthorized parts is not covered by Warranty or Product Liability For major service to the machine contact your nearest authorized Atlas Copco workshop www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll ...

Page 6: ...nsertion tool is exposed to heavy strains when the machine is used and after a certain amount of use the tool may break due to fatugue If the tool breaks there may be sudden or strong movements Such sudden or strong movements may cause serious injury Make sure that you always keep a stable position with your feet as wide apart as your shoulder width and keep a balanced body weight Keep your feet a...

Page 7: ...Explosion and fire hazard Danger If the machine comes in contact with explosives an explosion may occur Explosions may cause serious injury or death To reduce risk of explosion Never drill or operate the equipment near any explosives including dynamite or other explosives in the rock Make sure that there are no explosives in the rock Never break or drill in an old hole Warning Breaking drilling an...

Page 8: ... machine near any materials that create sparks Remove all hot objects and objects that create sparks prior to using machine Do not operate the machine in an explosive environment Protect your skin from contact with fuel Electrical Concealed object hazards Warning The machine is not electrically insulated If the machine comes in contact with electricity serious injuries or death may result To reduc...

Page 9: ...cco products outside of the exposure area Work with your employer to reduce silica exposure at your worksite Warning Some dust or other airborne material created during use of the machine may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm Some examples of such chemicals are Crystalline silica and cement and other masonry products Ars...

Page 10: ...properly maintained Signs and stickers that are important for your safety and the care of the machine are included with every machine New signs and stickers can be ordered using the spare parts list Protective equipment Always use approved personal protective equipment Operators and other persons in the work area must wear protective equipment including at a minimum Protective helmet Hearing prote...

Page 11: ... out parts Replace with a new part Do not to do this In working order Force power Turn to the end position Use Oil 243 Use Loctite 243 Check the hose Scrap and replace with new part Indicator instrument Thickness gauge Noice www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 12: ... very cold Tighten with this torque Recycle this part Bigger than Smaller than Time Important positional relationship In turn Wear safety glasses and gloves Clean carefully Earth Go to step www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 13: ...No 9238 2700 51 3 Drift for collet Ordering No 9238 2713 70 4 Drift for piston pin bearing Ordering No 9238 2704 30 5 Drift for main bearing Ordering No 9238 2707 10 6 Drift for piston pin Ordering No 9238 2706 70 www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 14: ...g Fuel is highly flammable and its vapors can explode if ignited which can cause serious injury or death Be very careful when handling fuel 1 Spark plug 2 Top cover Front cover www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 15: ...g Rewinding or replacing the starter spring uncarefullly can cause serious eye and hand damages Always wear protective glasses and industrial grade gloves when rewinding or replacing the starter spring www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 16: ...00 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 10 12 Back cover Bracket 11 Fuel tank 1 www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 17: ...o 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 1 15 16 1 18 19 Clucht complete www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 18: ...800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 20 21 22 2 2 25 Carborettor Read valve www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 19: ... 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 26 28 29 Handles and tube cover 2 www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 20: ... 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 0 1 2 Handle bar Handle springs 5 www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 21: ... No 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 6 8 9 Drill housing complete www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 22: ...ols AB No 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 0 1 2 Draw bolt www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 23: ...B No 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 5 6 Engine piston Flywheel www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 24: ...01 2006 10 01 Overhauling instructions COBRA COMBI 8 50 Electronic unit and induction coil 9 Crankshaft 51 www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 25: ...Tools AB No 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 52 5 5 55 56 www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 26: ...00 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 5 60 61 Muffler Cylinder complete 58 59 www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 27: ... Tools AB No 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 62 6 6 65 www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 28: ... Tools AB No 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 66 6 68 69 www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 29: ...s AB No 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 0 2 Hammer piston 1 www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 30: ...ols AB No 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 5 6 Piston guide www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 31: ... AB No 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 8 9 80 Ratchet housing www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 32: ...s AB No 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 81 82 8 Drill chuck www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 33: ...AB No 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 8 85 Drill housing 86 8 www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 34: ...Tools AB No 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 88 89 90 91 www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 35: ...o 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 92 9 9 95 ASSEMBLY Drill housing www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 36: ...ools AB No 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 96 9 98 99 100 www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 37: ...800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 101 102 10 10 Drill chuck Ratchet 105 www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 38: ...o 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 106 10 108 109 Hammer piston 110 www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 39: ... 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 111 112 11 Drill function Cylinder www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 40: ...9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 11 115 116 Crankcase and crankshaft www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 41: ...0 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 11 118 119 Crankcase cover Induction coil www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 42: ...9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 120 121 122 Electronic unit Flywheel www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 43: ...656 01 2006 10 01 Overhauling instructions COBRA COMBI 12 12 125 126 12 128 129 Engine piston Draw bolt www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 44: ...ols AB No 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 1 0 1 1 1 2 1 1 www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 45: ...n Tools AB No 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 1 5 1 6 www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 46: ... Tools AB No 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 1 1 8 1 9 www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 47: ...0656 01 2006 10 01 Overhauling instructions COBRA COMBI 1 0 1 1 1 1 1 5 Handle springs Handle bar 1 2 www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 48: ...ools AB No 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 1 6 1 1 8 1 9 www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 49: ...o 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 150 151 152 15 Handle and wiring www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 50: ...No 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 15 155 156 15 158 Carburettor www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 51: ...Tools AB No 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 159 160 161 www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 52: ...No 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 162 16 16 165 Clutch Fuel tank www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 53: ... 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 166 16 168 Bracket Back cover 169 www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 54: ...starter spring uncarefullly can cause serious eye and hand damages Always wear protective glasses and industrial grade gloves when rewinding or replacing the starter spring 1 0 1 1 Start cover www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 55: ...on Tools AB No 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 1 2 1 www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 56: ... 2006 10 01 Overhauling instructions COBRA COMBI 1 1 6 Filter cassette Front cover 1 5 Top cover Spark plug 1 www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 57: ...ols AB No 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 1 8 1 9 TEST RUN www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 58: ...656 01 2006 10 01 Overhauling instructions COBRA COMBI 180 18 Start preparations Setting nozzle 181 182 www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 59: ... AB No 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 18 3 10 sec 185 186 18 www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 60: ... AB No 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 20 30 sec 188 189 190 www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 61: ...n Tools AB No 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 191 192 www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 62: ...ools AB No 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 19 19 195 196 www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 63: ...ools AB No 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI 19 198 199 200 www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 64: ...ction Tools AB No 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 65: ...ction Tools AB No 9800 0656 01 2006 10 01 Overhauling instructions COBRA COMBI www CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

Page 66: ...uthorized 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 CrowderSupply com Toll Free 888 883 5144 Crowder Supply Co Inc 8495 Roslyn St Commerce City CO 80022 Toll Free 888 883 5144 www CrowderSupply com ...

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