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10.4 ENGINE 

Refer to the separate engine manual for engine maintenance instructions. 

Maintain engine oil as instructed in the separate engine manual packed with your unit. 

Read and follow the engine instructions carefully. 

Service the air filter as per the separate engine manual. Clean every few hours under extremely dusty conditions. Poor engine 

performance and flooding usually indicates that the air filter requires attention. To service the air filter, refer to the separate 

engine manual packed with your mower. The spark plug should be cleaned and the gap reset annually. Spark plug replacement 

is recommended at the start of each mowing season. Check the engine manual for the correct plug type and gap specifications. 

Clean the engine regularly with a cloth or brush. Keep the cooling system (blower housing area) clean to permit proper air 

circulation, which is essential to engine performance. Be certain to remove all grass, dirt and combustible debris from the muffler 

area. 

 

11. STORAGE INSTRUCTIONS (OFF SEASON) 

The following steps should be taken to prepare the lawn mower for storage at the end of the mowing season. 

1. Drain the fuel from the engine by running the engine until it stops. 

a) 

Start the engine and let it run until it has used up all remaining petrol and stalls. 

b)    Remove the spark plug. Use an oilcan to fill approx. 20 ml oil into the combustion chamber. Operate the starter to evenly 

distribute the oil in the combustion chamber. Replace the spark plug. 

2. Clean and grease the lawnmower carefully as described above u

nder “Lubrication”. 

3. Slightly grease the cutter to avoid corrosion. 

4. Store the lawnmower in a dry, clean and frost-protected place. 

  CAUTION! The engine must have completely cooled down before storing the lawnmower. 

  NOTE: - When storing any type of power equipment in an unventilated or material storage shed,       

-Care should be taken to rust-proof the equipment. Using a light oil or silicone, coat the equipment, especially cables and all 

moving parts. 

- Be careful not to bend or kink cables. 

- If the starter rope becomes disconnected from rope guide on the handle, disconnect and ground the spark plug wire. Depress 

the blade control handle and pull the starter rope out from the engine slowly. Slip the starter rope into the rope guide bolt on the 

handle. 

Transport 

Turn the engine off. Ensure not to bend or damage the cutter when pushing the lawnmower over obstacles. 

 

 

 

Summary of Contents for M40B

Page 1: ...MODELS M40B M40SPB M46B M46SPB COBRA LAWN MOWER OWNER S MANUAL Cobra Garden Machinery Henton and Chattell Ltd London Road Nottingham NG2 3HW UK www cobragarden co uk ...

Page 2: ... SECTION 5 ASSEMBLY 10 13 SECTION 6 3 IN 1 13 14 SECTION 7 OPERATION INSTRUCTIONS 14 18 SECTION 8 MAINTENANCE INSTRUCTIONS 18 SECTION 9 LUBRICATION 19 SECTION 10 CLEANING 19 20 SECTION 11 STORAGE INSTRUCTIONS OFF SEASON 20 21 SECTION 12 TROUBLESHOOTING 21 SECTION 13 WARRANTY 22 SECTION 14 ENVIRONMENT 22 SECTION 15 EC DECLARATION OF CONFORMITY 22 23 ...

Page 3: ...airing please remove the spark plug before undertaking repair work according to the operational manual B 8 Caution Engine hot Figure B Safety Label Found On Lawn Mower KEEP HANDS AND FEET AWAY 2 GENERAL SAFETY RULES WARNING When using petrol tools basic safety precautions including the following should always be followed to reduce the risk of serious personal injury and or damage to the unit Read ...

Page 4: ...urs have dissipated Replace all fuel tank and container caps securely 4 Replace faulty silencers 5 Before using always visually inspect to see that the blade blade bolts and cutter assembly are not worn or damaged Replace worn or damaged blades and bolts in sets to preserve balance Operation and Caution 1 Do not operate the engine in a confined space where dangerous carbon monoxide fumes can colle...

Page 5: ... the temperature is high 3 Before storage allow the engine to cool 4 To reduce the fire hazard keep the engine silencer battery compartment and petrol storage area free of grass leaves or excessive grease 5 Check the grass catcher and deflector frequently for wear or deterioration 6 Replace worn or damaged parts for safety Genuine parts should always be used as parts of inferior quality can damage...

Page 6: ...d No Yes No Yes Engine Displacement 125 cm 3 125 cm 3 125 cm 3 140 cm 3 Blade Width 400 mm 400 mm 460 mm 460 mm Rated Speed 2800 min 2800 min 2800 min 2800 min Fuel Tank Capacity 0 75L 0 75L 0 75L 0 75L Grass catcher capacity 50 L 50 L 60 L 60 L Net Weight 24 kg 26 kg 25 6 kg 28 3 kg Height adjustment 25 75mm 10 adjustment Guaranteed Sound pressure level at the operator s position According to EN ...

Page 7: ...dlebars in the operating position Fig 2G Fig 2H 4 Adjust the tension by turning the lock nut with a suitable spanner 5 Attach the cable clamp to the position shown and then attach the cable Fig 2I Fig 2F Fig 2G Fig 2H Fig 2I 5 2 MOUNTING AND DISMOUNTING THE GRASS CATCHER a To fit Raise the rear cover and hitch the grass catcher on rear of mower Fig 3G 3H b To remove grasp and lift the rear cover r...

Page 8: ...cally designed for this purpose Refuel outdoors only do not smoke while refueling or handling fuel Never remove the cap of the fuel tank or add petrol while the engine is running or when the engine is hot If petrol is spilled do not attempt to start the engine but move the machine away from the area of spillage and avoid creating any source of ignition until petrol vapours have dissipated Replace ...

Page 9: ...ide bolt after engine starts Release the brake control handle to stop the engine and blade Fig 8A Fig 8B Fig 8C Start the engine carefully according to instructions and with feet well away from the blade Do not tilt the lawn mower when starting the engine Start the mower on a level surface free of high grass or obstacles Keep hands and feet away from the rotating parts Do not start the engine when...

Page 10: ...avy cutting in thick grass it may be necessary to use one of the slowest speeds in order to get a clean well mowed cut When mowing long grass you may have to cut the lawn in two passes lowering the blade another 1 3 of the length for the second cut and perhaps cutting in a different pattern than was used the first time Overlapping the cut a little on each pass will also help to clean up any stray ...

Page 11: ...ange the height of cut squeeze the adjuster lever towards the wheel moving up or down to selected height Fig 12E 8 MAINTENANCE INSTRUCTIONS SPARK PLUG Use only original replacement spark plugs For best results replace the spark plug every 100 hours of use 9 LUBRICATION INSTRUCTIONS CAUTION DISCONNECT SPARK PLUG BEFORE SERVICING 1 WHEELS Lubricate the ball bearings in each wheel at least once a sea...

Page 12: ...sing damage to the engine and mower Be sure to carefully balance blade after sharpening The blade can be tested for balance by balancing it on a round shaft screwdriver Remove metal from the heavy side until it balances evenly Before reassembling the blade and the blade adapter to the unit lubricate the engine crankshaft and the inner surface of the blade adapter with light oil Install the blade a...

Page 13: ...t the end of the mowing season 1 Drain the fuel from the engine by running the engine until it stops a Start the engine and let it run until it has used up all remaining petrol and stalls b Remove the spark plug Use an oilcan to fill approx 20 ml oil into the combustion chamber Operate the starter to evenly distribute the oil in the combustion chamber Replace the spark plug 2 Clean and grease the ...

Page 14: ... Fill tank with clean fresh fuel Vent hole in fuel tank cap is plugged Clean or replace fuel tank cap Air filter element is dirty Clean air filter element Engine operates erratically Spark plug is defective Install new correctly gapped plug refer to the ENGINE OWNERS MANUAL Spark plug gap is incorrect Set gap between electrodes at 0 7 to 0 8mm Air filter element is dirty Clean air filter element r...

Page 15: ...red Compensation for loss of time commercial loss or rental costs of substitute product Costs incurred for transportation to and from the dealership Any damage that occurs from the following will not be covered exposure of the product to smoke and soot chemical agents bird droppings or other animal waste seawater sea breeze salt or other environmental phenomena Any damage resulting from operating ...

Page 16: ... length 400 mm M40B 1563N M40SPB 1564N 460 mm M46B 1565N M46SPB 1566N Measured sound power level 93 5 dB A Guaranteed sound power level 96 dB A Notified Body for EC Directive 2000 14 EC 0036 TüV SüD Industrie Service GmbH Westendstrasse 199 80686 München Deutschland Applicable EC Directives EC Machinery Directive 2006 42 EC EC Directive of Electromagnetic Compatibility 2004 108 EC EC Directive of ...

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