MODEL: SG15L (DR-SG-15) COBRA PETROL STUMP GRINDER OWNER’S MANUAL IMPORTANT Read safety rules and instructions carefully before operating equipment. Cobra Garden Machinery Henton and Chattell Ltd., London Road, Nottingham NG2 3HW UK www.cobragarden.co.
Table of Contents PART I: General Safety Rules ....................................................................................... 03 PART II: Familiar with the Stump Grinder....................................................................... 07 PART III: Install the Stump Grinder................................................................................. 08 PART IV: Operating the Stump Grinder..........................................................................
WARNING Read this Safety & Operating Instructions manual before you use the Stump Grinder. Become familiar with the operation and service recommendations to ensure the best performance of your machine. Propose CAUTION This machine is designed solely to grind stumps and must not be used for any other purpose. It should only be used by trained operators who are familiar with the content of this manual. It is potentially hazardous to fit or use any parts other than your dealer parts.
Protecting Yourself and Those Around You WARNING This is a powerful machine, with moving parts operating with high energy. You must operate the machine safely. Unsafe operation can create a number of hazards for you, as well as anyone else in the nearby area. Always take the following precautions when using this machine: A. Keep in mind that the operator or user is responsible for accidents or hazards occurring to other people, their property, and themselves. B.
D. E. F. G. H. I. J. K. L. Fill the petrol tank outdoors with the engine off and allow the engine to cool completely. Don't handle petrol if you or anyone nearby is smoking, or if you're near anything that could cause it to ignite or explode. Reinstall the fuel tank cap and fuel container cap securely. If you spill petrol, do not attempt to start the engine. Move the machine away from the area of the spill and avoid creating any source of ignition until the gas vapors have dissipated.
the spark plug wire keeping it away from the spark plug to prevent accidental starting, wait 5 minutes for machine to cool down. J. Never allow people who are unfamiliar with these instructions to use the machine. Allow only responsible individuals who are familiar with these rules of safe operation to use your machine. K. Never overload or attempt to chip woods beyond the manufacturer’s recommendation. It could result in personal injury or damage to the machine. L.
PART II: Familiar with the Stump Grinder It may be helpful to familiarize yourself with the controls and features of the Stump Grinder. If you have any question, please contact the dealers in your area.
PART III:Assemble the Stump Grinder 1. Fitting the wheels and drum brake Fit the drum brake and wheel assemblies as shown ab ove. 1. Fit the drum brake assembly to the left side axle. 2. Install the brake cable as shown opposite. Adjust the tension on the cable ensure the brake operates correctly. 3. Fit the wheel with the drum housing to the left side. 4. Fit the other wheel to the right axle as shown. 5. Secure with the flat washer, spring washer and the nut on each side. 2.
3. Fit the upper handle Fit the upper handle section with the ratchet fixing bolt and the handle bar lock lever as shown above. 4. Adjustment of the drum brake cable 1. Install brake cable. Remove front jam nut and insert cable stop into brake lever. 2. Once inserted, pull cable back and insert into cable mount. Thread outer nut back on leaving about 15mm of thread showing. Using 13mm spanner to tighten both jam nuts. 3. Adjustment can be done with the knob on the end of the brake handle.
5. Fitting the rear rubber guard Fit the rear rubber guard as shown opposite, using the washer, spring washer and nut as shown opposite. 6. Apply lubricating grease to the bearings Lubricate the main bearings as indicated opposite before each use. This is essential regular maintenance. NOTICE 7. Add engine oil and petrol before starting The stump grinder is shipped without engine oil in the engine, add oil as explained in the engine manual. Always check the engine oil before operating the stump grinder.
PART IV: Operating the Stump Grinder Familiarise yourself with the features of your Stump Grinder before beginning the steps outlined in this chapter. WARNING A. Read and understand all instructions, safety precautions, and/or warnings listed in “PART I: General Safety Rules” before operating the Stump Grinder. If any doubt or question arises about the correct or safe method of performing anything found in this manual, please contact the dealer in your area. B.
3. Operator Zone The operator should remain behind the Stump Grinder when working. Keep all others a safe distance of at least 15m from the machine. WARNING Clear the area around the stump. Remove all rocks, stones and potential debris from the working area. WARNING Do not place your feet and hands into the cutting wheel area. This is a very UNSAFE and could result in injury or death. Never allow yourself or others to reach or step to the side or the front of the Stump Grinder when it is running.
1. Removing Stumps 1. Remove all loose pieces of wood, stones, wire and other debris from the area before beginning stump removal. 2. Wind direction should be considered, as it influences the direction in which dust and wood chips are directed. 3. Never operate the stump grinder after dark. There will not be adequate light to operate the stump grinder safely. 4. Always allow a cold engine to warm up before cutting a stump. 5.
6.Cutting the Full Stump 1. Make sure the throttle is set to FAST. The cutter wheel will accelerate to cutting speed. 2. Direct the cutting wheel against the stump, beginning with the nearest top corner of the stump. 3. Steadily sweep it across the stump left and right, cutting away 1/2 inch of wood with each sweep. 4. Raise and lower the cutting wheel between sweeps by lowering and raising the control handle. 5. Roll the machine forward and back by pushing and pulling on the control handle.
PART V: Maintaining the Stump Grinder Regular maintenance is the way to ensure the best performance and long life of your machine. Please refer to this manual and the engine manufacturer's user manual for maintenance procedures. WARNING Before performing any maintenance procedure or inspection, stop the engine, wait five minutes to allow all parts to cool. Disconnect the spark plug wire, keeping it away from the spark plug. 1.
PART VI: Troubleshooting Guide WARNING Before performing any maintenance procedure or inspection, stop the engine, wait five minutes to allow all parts to cool. Disconnect the spark plug wire, keeping it away from the spark plug. Symptom The engine won’t start. (Please refer to the engine user manual for engine-specific procedures.) Possible Cause Check the SAFETY BAR HELD DOWN to engage the safety cut-off switch. Check the fuel shut-off valve is ON Always use fresh, clean petrol.
Run engine at full RPM when grinding.
Environmentally Friendly Disposal According to EU directive 2012/19/EU on electric and electronic equipment and its implementation into national law, all electric tools must be separately collected and environmentally friendly recycled. Alternative disposal: If the owner of the power tool does not return the tool to the manufacturer, he is responsible for proper disposal at a designated collection point that prepares the device for recycling according to national recycling laws and regulations.
EC-Declaration of Conformity EC Declaration of Conformity Cobra Garden Machinery Henton & Chattell Ltd, London Road, Nottingham NG2 3HW UK That the following machine complies with the appropriate basic safety and health requirements of the EC Directive based on its design and type, as brought into circulation by us.
