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ORIGINAL INSTRUCTION MANUAL 

PETROL LAWNMOWERS 

LK 41 B&S 
LK 41 SP B&S 
LK 46 B&S 
LK 46 SP B&S 
LK 51 SP HW SM B&S 
LK 51 SP HW SM 173 cc OHV 
LK 41 139 cc OHV 
LK 41 139 cc OHV RALLY 

(mod.: 

DG41PB-BS450E-405 / DG41SB-BS450E-405 / DG46PB-BS450E / DG46SB-BS450E /         

DG51SF-BS625E / DG51SF-173 / DG41PB-139-405 / DG41PB-139-405)

 

 

READ THIS MANUAL CAREFULLY BEFORE OPERATING THE MACHINE 

KEEP THIS MANUAL FOR FUTURE REFERENCE 

WARNING THIS SYMBOL INDICATES IMPORTANT SAFETY FEATURES 

 

Serial number : 

 

 

Summary of Contents for DG41PB-139-405

Page 1: ...c OHV LK 41 139 cc OHV LK 41 139 cc OHV RALLY mod DG41PB BS450E 405 DG41SB BS450E 405 DG46PB BS450E DG46SB BS450E DG51SF BS625E DG51SF 173 DG41PB 139 405 DG41PB 139 405 READ THIS MANUAL CAREFULLY BEFORE OPERATING THE MACHINE KEEP THIS MANUAL FOR FUTURE REFERENCE WARNING THIS SYMBOL INDICATES IMPORTANT SAFETY FEATURES Serialnumber 1 ...

Page 2: ...red for assembly Assembly of the handle Cutting height adjustment Operating 12 Grass box assembly Grass box removal How to fix the mulching plug Operating without a grass collecting box Side discharge Starting and stopping 14 Starting a cold engine Starting a warmed up engine Stop engine and blade Self propelled mower Maintenance 16 Oil service Spark plug Air cleaner Engine cleaning Deck housing O...

Page 3: ...e and extreme caution should be exercised at all times A lawnmower motor is a machine designed to cut and collect depending on equipment grass from private ornamental gardens Any other use not expressly permitted in these instructions may result in damage and may pose a serious hazard to the user and is not permitted This machine must NEVER be used Intensively For professional use including rental...

Page 4: ...ative during operation or while performing an adjustment or repair to the machine to protect eyes from foreign objects that could be thrown from the machine in any direction Also wear steel toe capped safety shoes long trousers and long sleeved shirts when operating the machine Do not wear loose fitting clothes or jewellery as these can be caught in mowing parts Never operate a lawnmower in bare f...

Page 5: ...is running Do not smoke near the machine All cigarettes and other sources of ignition must be removed from the area OPERATION WARNING DANGER Do not operate the engine in a confined space where dangerous carbon monoxide fumes can collect Do not operate the lawnmower whilst under the influence of drugs or alcohol Do not hold self drive in position while starting the engine This must not be completed...

Page 6: ...pairs before restarting and operating the lawn mower If lawn mower starts to vibrate abnormally check immediately 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 Whenever you leave the lawn mower Before refueling Reduce the throttle setting during engine shut down and if the engine is provided ...

Page 7: ... litres 50 litres 50 litres Cutting width 41 cm 16 41 cm 16 46 cm 18 46 cm 18 Deck material steel steel steel steel Net weight 19 5 kg 24 kg 22 5 kg 27 kg Sound pressure level LPA at operator s working place as per ISO 5395 1 2013 Annex F 81 5 dB A 81 5 dB A 81 5 dB A 81 5 dB A Incertainty of Measurement K 3 dB A K 3 dB A K 3 dB A K 3 dB A Measured sound power level LWA EN836 93 2 dB A 93 2 dB A 9...

Page 8: ...itres 45 litres 45 litres Cutting width 51 cm 20 51 cm 20 41 cm 16 41 cm 16 Deck material steel steel steel steel Net weight 29 kg 35 kg 23 5 kg 23 5 kg Sound pressure level LPA at operator s working place as per ISO 5395 1 2013 Annex F 84 3 dB A 86 6 dB A 80 1 dB A 80 1 dB A Incertainty of Measurement K 3 dB A K 3 dB A K 3 dB A K 3 dB A Measured sound power level LWA EN836 96 4 dB A 96 3dB A 91 4...

Page 9: ...e capped safety shoes long trousers and long sleeved shirts when operating the machine 8 WARNING Oil tank and fuel tank are clearly seperated This lawnmower is sold without fuel and oil Ensure machine is oiled and fuelled before starting the engine 9 Moving blades Do not put hands or feet near the blades 10 The blade continues to rotate for a few seconds after stopping the mower 11 When mowing wea...

Page 10: ...9 Self propelling cable not valid for LK41 LK46 10 Back wheel 11 Cutting deck 12 Heights adjustment arm 13 Front wheel 14 Air filter 15 Primer 16 Spark plug and cap 17 Silencer exhaust 18 Engine 19 Fuel tank 20 Rear flap deflector 21 Metal frame of the grass collecting box 22 Recoil starter 23 Shutter for side discharge only for LK 51 SP HW SM 24 Oil tank 25 Oil lever 26 Central heights adjustemen...

Page 11: ...x and including the instruction manuals and tools where applicable and and store safely for future reference Cut along the corners of the carton and lay flat Remove any packing material and roll or slide the lawnmower out of the carton checking the empty carton for loose parts 1 2 3 4 5 1 Spark plug wrench 2 Cable clips 3 Grass catch bag and its metal frame 4 Mulching plug only on LK 51 SP HW SM 5...

Page 12: ...knob nuts or the quick lock handle to the upper handle Raise the complete handlebar whilst depressing both levers to release the starter handle taking care not to crease the control cables at the pivot point Attach the control cables to the handle with cable ties and attach the recoil starter to the rope guide on the upper handle E Cutting heiht Adjustement The cutting height adjustment lever is s...

Page 13: ...ting Lift the rear flap deflector and remove the grass collector from its in place Release the rear flap deflector Empty the clippings C How to fix the mulching plug only for model LK 51 SP HW SM STOP the engine before fixing the mulching plug or before removing it Remove the collection bag Lift the rear flap and insert the mulching plug in the grass evacuation channel picture A As soon as properl...

Page 14: ...tor is always folded against the deck E Side discharge only for model LK 51 SP HW SM Lift the side discharge shutter on the cutting deck Attach the side discharge shutter in place in the hooks provided for this purpose Release the shutter so it also compresses the deflector against the deck Caution Leave the mulch plug in place to use the mower with the side discharge function 13 ...

Page 15: ...ont left side of the air filter 3 Attach the spark plug ensuring the metal cap is fastened securely to the metal tip on the spark plug 4 The flywheel brake lever operators presence control OPC handle is located in the upper handle of the lawnmower The handle must be depressed to allow the ignition and held against the upper handle 5 The recoil starter handle is attached to the upper handle on the ...

Page 16: ...ning D Self propelled mower not for mod LK 41R and mod LK 46R Once engine has been started push the traction lever up against the upper handle and keep it in this position The mower now starts to move To stop the mower release the lever C Stop engine and blade Move the throttle control onto STOP position Release the Operators Presence Control OPC handle to stop the engine and blade WARNING 15 ...

Page 17: ...s or every season depending on use Check the plug before each use and plug gap reset once a season Refer to the engine manual for the correct plug type and gap specifications C Air cleaner The air cleaner must be changed Clean every few hours under extremely dry and dusty conditions as poor performance and flooding usually indicate the air cleaner should be cleaned changed D Engine cleaning Clean ...

Page 18: ...d of 2 years from the date of first purchase The warranty is only valid when the product is used in domestic situations any machine used for commercial or professional use involving financial gain or hire is subject to a 90 day warranty unless otherwise specified by the manufacturer Warranty does not extend to failure due to fair wear and tear The manufacturer undertakes to replace their expense a...

Page 19: ...eferences TOT911309 Cutting 460 mm LK 51 SP HW SM B S equipped with engines Briggs Stratton 625E series 150 cc Factory models DG51SF BS625E References TOT911310 Cutting 510 mm LK 51 SP HW SM 173 cc OHV equipped with engines 139 cc Factory models DG51SF 173 References TOT911314 Cutting 510 mm LK 41 139 cc OHV equipped with engines 139 cc Factory models DG41PB 139 405 References TOT911306 Cutting 41...

Page 20: ... 2 dB A Guaranteed noise power level LWA g 96 dB A For model LK 51 SP HW SM B S DG51SF BS625E Measured noise power level LWA m 96 4 dB A Guaranteed noise power level LWA g 98 dB A For model LK 51 SP HW SM 173 cc OHV DG51SF 173 Measured noise power level LWA m 96 3 dB A Guaranteed noise power level LWA g 98 dB A For model LK 41 139 cc OHV DG41PB 139 405 Measured noise power level LWA m 91 4 dB A Gu...

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