Original Instructions
Contents
1. CO3R MODEL M40C COBRA LAWN MOWER OWNER S MANUAL Cobra Garden Machinery Henton and Chattell Ltd London Road Nottingham NG2 3HW UK www cobragarden co uk CONTENTS SECTION 1 SYMBOLS MARKED ON THE 3 SECTION 2 GENERAL SAFETY 2 2 3 5 SECTION PARTS 6 SECTION 4 TECHNICAL 7 SECTION ASSEMBLY 7 8 SECTION 6 OPERATION INSTRUCTIONS 8 11 SECTION 7 MAINTENANCE 5 2 11 SECTION 8 LUBRICATION 11 SECTION oiaren aena aa anran 13 SECTION 10 STORAGE INSTRUCTIONS OFF 13 SECTION 11 22044400 14 SECTION T2 WARRANTY 15 SECTION 13 15 SECTION 14 EC DECLARATION OF 16 A WARNING For your own safety please read this manual before attempting to operate your new mower Failure to follow instructions can result in serious personal injury Spend a few moments to familiarise yourself with your mower before each use 1 SYMBOLS MARKED ON THE PRODUCT Fig A B 1 Read Opera2. fire hazard 0 6 6 FOR THE BEST RESULTS WHEN MOWING Clear lawn of debris Be sure that the lawn is clear of stones sticks wire or other foreign objects which could be accidentally thrown out by the mower in any direction and cause serious personal injury to the operator and others as well as damage to property and surrounding objects Do not cut wet grass For effective mowing do not cut wet grass because it tends to stick to the underside of the deck preventing proper mowing of the grass Cut no more than 1 3 the length of the grass The recommended cut for mowing is 1 3 the length of the grass Ground speed will need be adjusted so the clippings can be dispersed evenly into the lawn For especially heavy 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 clippings left on the lawn The mower should always be operated at full throttle to get the best cut and allow it to do the most effective job of mowing Clean underside of the deck Be certain to clean the underside of the cutting deck after each use to avoid a build up of grass which would prevent proper mulching Mowing leaves The mowing of
3. 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 the equipment and compromise safety 7 If the fuel tank has to be drained this should be done outdoors Always ensure engine is completely cooled before starting this task 8 If the blade needs to be removed wear strong gloves to prevent injury to hands and fingers Check the blades balance after sharpening 9 When transporting the machine make sure you close the fuel cut off Be careful to ensure weight is evenly distributed Wear strong gloves 10 When tilting the machine never tilt towards the air filter as this may become damaged with fuel 11 Never crank the engine when the spark plug is removed 12 Frequently check the fuel lines and fittings for damage and cracks replace if necessary 13 Never start the engine with the air filter cover removed 14 Carefully clean the mower and grass bag after use to remove debris as this can damage and corrode Fertilisers and top dressings are particularly corrosive 15 In time your chassis may peel because of the abrasive action of the debris making contact This can be remedied by touching up paintwork where necessary to prevent corrosion A warning D
4. 4982 Authorized Signature Date Place Je of Lana Peter J Chaloner 02 12 2013 Title of Signatory Managing Director name and address of the person authorized to compile Cobra Garden Machinery the technical file Henton amp Chattell Ltd London Road Nottingham NG2 3HW United Kingdom 16
5. Service air cleaner as per separate engine manual under normal conditions Clean every few hours under extremely dusty conditions Poor engine performance and flooding usually indicates that the air cleaner should be serviced To service the air cleaner refer to the separate engine manual packed with your unit The spark plug should be cleaned and the gap reset once a season Spark plug replacement is recommended at the start of each mowing season check engine manual for 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 and life Be certain to remove all grass dirt and combustible debris from the muffler area 10 STORAGE INSTRUCTIONS OFF SEASON The following steps should be taken to prepare lawn mower for storage 1 Empty the tank after the last mowing of the season a Empty the petrol tank with a suction pump Do not drain the petrol in closed rooms close proximity of open fire etc not smoke Petrol fumes can cause explosion or fire Start the engine and let it run until it has used up all remaining petrol and stalls c 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 lawn
6. d from plug Spark plug gap is incorrect Set gap between electrodes at 0 7 to 0 8mm Spark plug is defective Install new correctly gapped plug refer to ENGINE OWNERS MANUAL Carburettor is flooded with fuel Remove air cleaner element and pull starter rope continuously until carburettor clears itself and install air cleaner element or loses power clean fresh fuel plugged Air cleaner element is dirty Clean air cleaner element Engine operates Spark plug is defective Install new correctly gapped plug refer to erratically ENGINE OWNERS MANUAL Spark plug gap is incorrect Set gap between electrodes at 0 7 to 0 8mm Air cleaner element is dirty Clean air cleaner element refer to ENGINE OWNERS MANUAL Engine idles poorly Air cleaner element is dirty Clean air cleaner element refer to ENGINE OWNERS MANUAL blocked Cooling fins and air passages Remove debris from cooling fins and air under engine blower housing are passages blocked Engine skips at high Gap between electrodes of spark Set gap between electrodes at 0 7 to 0 8mm a T Engine overheats Cooling air flow is restricted Remover any debris from slots in shroud a blower housing air passages engine Mower vibrates Cutting assembly is loose Tighten blade abnormally Cutting assembly is unbalanced Balance blade 14 12 WARRANTY This product is warranted in accordance with legal regulations for a 24 month period effective from t
7. date of purchase Your un dismantled mower must be returned to your dealer in an acceptably clean state accompanied by your proof of purchase Please Register Your Mower lf your dealer did not collect registration information from you please take a few minutes and register your purchase with Cobra You can register by completing and mailing the registration card that should be in the box or by going online to www cobragarden co uk and clicking on Product Registration Before using the lawn mower all mower operators must read this manual 13 ENVIRONMENT Should your machine need replacement after extended use do not put it in the domestic waste but dispose of itin an environmentally safe way 15 4 14 DECLARATION CONFORMITY We herewith declare Cobra Garden Machinery Henton amp Chattell Ltd London Road Nottingham NG2 3HW United Kingdom 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 MAO 1663F Guaranteed sound power 96dB A level Notified Body for EC Directive 2000 14 EC 0499 TUV Rheinland LGA Products GmbH Tillystrasse 2 90431 Nurnberg Germany 0197 Applicable EC Directives EC Machinery Directive 2006 42 EC EC Directive of Electromagnetic Compatibility 2004 108 EC EC Directive of noise emission 2000 14 EC Applicable Harmonized EN 836 Standards EN ISO 1
8. emove screw 2 Press down the two tabs on top of the filter cover Remove cover 3 Wash filter element in soap water DO NOT USE PETROL 4 Air dry filter element 5 Place a few drops of SAE30 oil on the foam filter and squeeze tightly to remove any excess oil oe ee 6 Reinstall filter Replace filter if frayed torn damaged or unable be cleaned filter case B Foam element filter cover Fig 11A Fig 11B 9 2 CUTTING BLADE caution Be sure to disconnect and ground the spark plug wire before working on the cutting blade to prevent accidental engine starting Protect hands by using heavy gloves or a rag to grasp the cutting blades Tip mower as specified in separate engine manual Remove the hex bolt and washer which hold the blade and blade adapter to the engine crankshaft Remove the blade and adapter from the crankshaft Awarnine Periodically inspect the blade adapter for cracks especially if you strike a foreign object replace when necessary For best results your blade should be sharp The blade may be re sharpened by removing it and either grinding or filing the cutting edge keeping as close to the original bevel as possible It is extremely important that each cutting edge receives an equal amount of grinding to prevent an unbalanced blade Improper blade balance will result in excessive vibration causing eventual damage to the engine and mower Be sure to carefully balance blade after sharp
9. ening The blade can be tested for balance by balancing it a round shaft screwdriver Remove metal from the heavier 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 adapter on the crankshaft Refer to figure 12 Place the blade with the part number facing away from the adapter Align the washer over the blade and insert the hex bolt Tighten the hex bolt to the torque listed below Fig 12 9 3 BLADE MOUNTING TORQUE Center Bolt 40Nm min 54Nm max To insure safe operation of your unit ALL nuts and bolts must be checked periodically for correct tightness After prolonged use especially in sandy soil conditions the blade will become worn and lose some of the original shape Cutting efficiently will be reduced and the blade should be replaced Replace with an approved factory replacement blade only Possible damage resulting from blade unbalance condition is not the responsibility of the manufacturer When you change the blade you must use the original tyoe marked on the blade Cobra Part No 26300100401 contact your local dealer ee Awarnine Do not touch rotating blade 9 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 instructions carefully
10. fore changing mowing height stop the mower and disconnect the spark plug cable Your mower is equipped with a central height adjustment lever offering 10 height positions Fig 10C The height the blade to the ground can be adjusted from 25 mm to 75 mm 10 height positions 1 Stop mower and disconnect spark plug cable before changing mower cutting height 2 The central height adjustment lever offers you 10 different height positions 3 To change the height of cut squeeze adjuster lever toward the wheel moving up or down to selected height Fig 10C 7 MAINTENANCE INSTRUCTIONS SPARK PLUG Use only original replacement spark plug For best results replace the spark plug every 100 hours of use 8 LUBRICATION INSTRUCTIONS caution Disconnect the Spark Plug before servicing 1 WHEELS Lubricate the ball bearings in each wheel at least once a season with a light oil 2 ENGINE Follow engine manual for lubrication instructions 9 CLEANING caution Do not hose engine Water can damage engine or contaminate the fuel system 1 Wipe deck with dry cloth 2 Hose under deck by tilting the mower so that the spark plug is up 9 1 ENGINE AIR CLEANER caution Do not allow dirt or dust to clog the air filter foam element The engine air cleaner element must be serviced cleaned after 25 hours of normal mowing The foam element must be serviced regularly if the mower is used in dry dusty conditions To CLEAN AIR FILTER 1 R
11. he date of purchase by the first user This product will not be covered if used in a commercial application This warranty covers all material or production failures it does not include defects from normal wear and tear parts such as bearings brushes cables air cleaning elements brake pad clutch disc tyre wheel recoil starter rope belts cutter blades plugs lubricant oils and grease or accessories Damage or defects resulting from abuse accidents or alterations natural fading of painted or plated surfaces sheet peeling and other natural deterioration Any damage that occurs from the use of non genuine Cobra parts will not be covered We reserve the right to reject any claim where the purchase cannot be verified or when it is clear that the product was not maintained properly Clean ventilation slots carbon brushes and serviced regularly Expenses incidental to the warranty claim that are not covered 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 methods other than those indicated in the owner s manual will not be covered Your purchase receipt must be kept as proof for
12. ld it against the upper handle as shown in Fig 6B 4 Grasp the starter handle as shown Fig 6B and pull up rapidly Return it slowly to the rope guide bolt after engine starts Release the brake control handle to stop the engine and blade star the engine carefully according to instructions and with feet well away from the blade Ado not tilt the lawn mower when starting the engine Start the mower on a level surface free of high grass or obstacles hands and feet away from the rotating parts Do not start the engine when standing in front of the discharge opening Fig 6A Fig 6B 6 3 OPERATION PROCEDURES During operation tightly hold the stop control handle with both hands A note During operation when the stop control handle is released the engine will stop the lawnmower from operating 6 4 TO STOP ENGINE caution The blade continues to rotate for a few seconds after the engine is shut off 1 Release the stop control handle to stop the engine and blade Fig 7 2 Disconnect and ground the spark plug wire as instructed in the separate engine manual to prevent accidental starting while equipment is unattended Fig 7 caution your mower is designed to cut normal residential grass of a height no more than 250mm Do not attempt to mow through unusually tall dry or wet grass e g pasture or piles of dry leaves Debris may build up on the mower deck or contact the engine exhaust presenting a potential
13. leaves can also be beneficial to your lawn When mowing leaves make sure they are dry and are not laying too thick on the lawn Do not wait for all the leaves to be off the trees before you mow Awarnine If you strike a foreign object stop the engine Remove wire from spark plug thoroughly inspect the mower for any damage and repair the damage before restarting and operating the mower Extensive vibration of the mower during operation 15 an indication of damage The unit should be promptly inspected and repaired If a large object has been struck during mowing this could cause terminal damage to your machine 6 7 GRASS CATCHER If the grass catcher is of grass you will need to empty and clean the grass catcher make sure it is clean and ensure its meshwork is ventilated Fig 9A 6 8 DECK The underside of the mower deck should be cleaned after each use to prevent a build up of grass clippings leaves dirt or other matter If this debris is allowed to accumulate it will invite rust and corrosion and may prevent proper mulching The deck may be cleaned by tilting the mower and scraping clean with a suitable tool make certain the spark plug wire is disconnected and never tilt towards the air filter as this can become damaged 10 6 9 HEIGHT ADJUSTMENT INSTRUCTIONS Do not at any time make adjustment to lawnmower without first stopping the engine and disconnecting the spark plug wire caution Be
14. mower carefully as described above under Lubrication 3 Slightly grease the cutter to avoid corrosion 4 Store the lawnmower in a dry clean and frost protected place out of reach of unauthorised persons caution The engine must have completely cooled down before storing the lawnmower nore 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 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 51 11 TROUBLESHOOTING PROBLEM PROBABLE CAUSE CORRECTIVE ACTION Engine does not start Throttle choke not in the correct Move throttle chock to correct position position for the prevailing conditions Fuel tank is empty Fill tank with fuel refer to ENGINE OWNERS MANUAL Air cleaner element is dirty Clean air cleaner element refer to ENGINE OWNERS MANUAL Spark plug loose Tighten spark plug to 25 30Nm Spark plug wire loose or Install spark plug wire on spark plug Disconnecte
15. n an emergency Never allow children or people unfamiliar with these instructions to use the lawn mower Local regulations can restrict the age of the operator Never mow while people especially children or pets are nearby Never use the mower if the operator is taking medicine or substances that could affect or impair his ability to react or concentrate Keep in mind that the operator or user is responsible for accidents or hazards occurring to other people or their property you start While mowing always wear substantial footwear and long trousers Do not operate the equipment when barefoot or wearing open toed sandals Thoroughly inspect the area where the equipment is to be used and remove all objects which can damage or be thrown by the machine WARNING Petrol is highly flammable Store fuel in containers specifically designed for this purpose Refuel outdoors only and do not smoke while refuelling add fuel before starting the engine 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 all fuel tank and container caps securely Replace faulty silencers Before using always visually inspect to see that the blade blade bolts and cutter assembly are not worn or damaged Replace wor
16. n or damaged blades and bolts in sets to preserve balance Operation and Caution 1 12 13 14 Do not operate the engine confined space where dangerous carbon monoxide fumes collect refuel outdoors only Mow only in daylight or in good artificial light Avoid operating the equipment in wet grass where feasible Always be sure of your footing on slopes Walk never run always be in control of the lawnmower and never allow yourself to be pulled along For wheeled rotary machines mow across the face of slopes never up and down Exercise extreme caution when changing direction on slopes Do not mow excessively steep slopes of more 20 Use extreme caution when reversing or pulling the lawn mower towards you Stop the blade if the lawn mower has to be tilted for transportation when crossing surfaces other than grass and when transporting the lawn mower to and from the area to be mowed Never operate the lawn mower with defective guards or without safety devices for example deflectors and or grass catchers in place Do not change the engine governor settings or over speed the engine Before starting the engine disengage all blades and drive clutches Keep your feet well away from the blade when starting the engine and in accordance with the instructions Do not tilt the lawn mower when starting the engine and always start on a flat surface free from long grass 16 Do
17. not start the engine when standing in front of the discharge chute 17 Never put hands or feet near or under rotating parts Keep clear of the discharge opening at all times 18 Always ensure the engine is fully switched off before picking up carrying the Lawnmower 19 Stop the engine and disconnect the spark plug wire make sure that all moving parts have come to a complete stop and where a key is fitted remove the key make sure engine has had time to cool Before unclogging chute and clearing blockages Before checking cleaning or working on the lawn mower After striking a foreign object Inspect the lawnmower for damage and make repairs before restarting If the lawn mower starts to vibrate abnormally check immediately 20 Stop the engine and disconnect the spark plug wire make sure that all moving parts have come to a complete stop and where a key is fitted remove the key make sure engine is completely cooled Whenever you leave the lawn mower Before refuelling 21 Reduce the throttle setting during engine shut down and if the engine is provided with a shut off valve turn the fuel valve off at the conclusion of mowing Maintenance and Storage 1 Keep all nuts bolts and screws tight to be sure the equipment is in safe working condition 2 Never store the equipment with petrol in the tank inside a building where fuel vapours can reach an open flame or spark or where the temperature is high 3 Before storage allow the engine
18. o not touch rotating blade A warning Refuel in a well ventilated area with the engine stopped 3 PARTS DESCRIPTION Fig 1 1 Stop control handle 7 Oil Cap Including 2 Starter handle 8 Deck A Spark plug wrench 3 Rope Guide 9 Spark Plug 4 Locking Lever 10 Fuel cap 5 Grass catcher 11 Cable clamp 6 Height adjusting lever 12 Self drive control handle 4 TECHNICAL DATA te Guaranteed Sound pressure 85 dB A level at the operator s position K 3dB A According to EN 836 Annex H amp EN ISO 4871 Measured sound power level 92 7dB A K 1 81dB A Guaranteed Sound Power level 96 dB A According to 2000 14 EC Vibration 5 48 52 According to EN 836 Annex G K 1 5 m s 5 ASSEMBLY 5 1 FOLDING HANDLE 1 Fix the lower handlebars into the unit body with a suitable spanner Fig 2E 2 Lift the two locking levers to release the upper handlebars for folding 3 Push the locking lever closed to lock the handlebars in the operating position Fig 2F 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 2G Cable camp Fig 2E Fig 2F 5 2 MOUNTING AND DISMOUNTING THE GRASS CATCHER DAL 222 2 Rear cover Fig 3F Fig 3G 5 3 STARTER HANDLE Move the starter handle from the engine to the rope guide Fig 4B 5 4 HEIGHT OF CUT Apply outward pressure to disengage leve
19. r from rack Move lever forward or back to adjust height Fig 5A 5B and see clause 6 9 Lan Fig 5C 6 OPERATING INSTRUCTIONS 6 1 BEFORE STARTING Service the engine with petrol and oil as instructed in the separate engine manual packed in your mower Read instructions carefully WARNING Petrol is highly flammable Store fuel in containers specifically designed for this purpose Refuel outdoors only before starting the engine Do not smoke while refuelling or handling fuel Never remove the cap of the fuel tank or add petrol while the engine is running or when the engine 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 all fuel tanks and container caps securely Before tipping the lawn mower to maintain the blade or drain oil remove fuel from tank A WARNING Never fill re fuel tank indoors with engine running or until the engine has been allowed to cool for at least 15 minutes after running 6 2 TO START ENGINE AND ENGAGE BLADE 1 The unit is equipped with a rubber boot over the end of the spark plug make certain the metal loop on the end of the spark plug wire inside the rubber boot is fastened securely over the metal tip on the spark plug 2 Press the primer bulb 3 5 times before starting the engine Fig 6A 3 Standing behind the unit grasp the brake control handle and ho
20. tor s Manual B 2 Keep bystanders away B 3 Pay attention to the operator s hands and feet to avoid injury B 4 Fuel is flammable keep fire away Do not add fuel with running machine B 5 Toxic fumes don t operate indoors including your garage or shed B 6 When mowing please wear protective glasses and ear plugs to defend the operator himself 7 When repairing please remove the spark plug before undertaking repair work according to the operational manual B 8 Caution Engine hot KEEP HANDS and FEET AWAY Figure B Safety Label Found On Lawn Mower KEEP HANDS AND FEET AWAY 2 GENERAL SAFETY RULES A 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 all these instruction before operating this product and retain these instructions for future reference A WARNING This machine produces an electromagnetic field during operation This field may under some circumstances interfere with active or passive medical implants To reduce the risk of serious or fatal injury we recommend persons with medical implants to consult their physician and the medical implant manufacturer before operating this machine Training A Before 1 Before using the lawnmower read the instructions carefully Familiarise yourself with the controls and pay particular attention in learning how to stop the machine i
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