Lawn-Boy 10401C, Operator'S Manual

Page 1: ...efully It contains information about your safety and the safety of others Also become familiar with the controls and their proper use before you operate the product FORM NO 3321 556 EN Gold Series Wal...

Page 2: ...rt products you are responsible for using the product properly and safely You are also responsible for training persons who you allow to use the product about safe operation The Lawn Boy warning syste...

Page 3: ...Lawn Preparation And Mowing 10 Operation 11 Starting Engine 11 Stopping Engine 12 Adjusting Cutting Height 12 Mulching Tips 13 Page Maintenance 14 Recommended Maintenance Schedule 14 Air Filter 15 Sp...

Page 4: ...ith a spark arrester muffler Use or operation of this mower in the State of California on any forest covered brush covered or unimproved grass covered land without an approved spark arrester muffler i...

Page 5: ...and cutter blade when the engine is running Blade can cause injury to hands and feet 7 Use extreme caution when reversing or pulling the mower towards you 8 Stay behind the handle until the engine sto...

Page 6: ...rvicing procedures 5 To reduce fire hazard keep engine free of excessive grease grass leaves and accumulations of dirt 6 Do not overspeed the engine by changing governor settings 7 Check grass catcher...

Page 7: ...y decals and instructions are easily visible to the operator and are located near any area of potential danger Replace any decal that is damaged or lost ON MOWER HOUSING Part No 39 5770 ON THROTTLE Pa...

Page 8: ...has two height positions high and low Fig 2 Select a handle height position that is most comfortable for you 1 To change handle height squeeze bottom handle section together and align holes over pins...

Page 9: ...ate mulch plate or grass chute and catcher are installed 1 Stop engine and disconnect spark plug wire Fig 4 before installing or removing cover plate 1053 1 Figure 4 1 Spark plug wire 2 Remove wing sc...

Page 10: ...ylinder decarbonizing and could reduce engine life Note NEVER USE AUTOMOTIVE OIL i e SAE 30 10W30 etc OR THE WRONG MIX RATIO BECAUSE ENGINE DAMAGE MAY OCCUR If engine failure occurs and it has been de...

Page 11: ...ne that can be used in 30 days to assure freshness Use of lead free gasoline results in fewer combustion chamber deposits and longer spark plug life Leaded gasoline may be used if lead free is not ava...

Page 12: ...Preparation And Mowing 1 Review SAFETY INSTRUCTIONS and read this manual carefully before operating mower 2 Clear area of sticks stones wire branches and other debris which could be picked up or hit b...

Page 13: ...40_F push primer five 5 times Wait about two 2 seconds between each push Note Do not use primer to restart a warm engine after a short shutdown 1580 1 Figure 14 1 Primer 4 Hold blade control bail aga...

Page 14: ...ith a wheel height adjustment lever Cutting heights are 1 1 1 2 2 2 1 2 3 and 3 1 2 inches 25 38 51 64 74 and 86 mm POTENTIAL HAZARD Adjusting height of cut levers could bring hands into contact with...

Page 15: ...generally best to cut grass at the 2 2 5 or 3 inch height of cut settings Only about 3 of the grass blade should be cut off Cutting below the 2 inch setting is not recommended unless grass is sparse...

Page 16: ...are dusty X Spark Plug Clean inspect and gap Replace if necessary X Blade Sharpen or replace maintain more frequently if edge is dulled quickly in rough or sandy conditions X Blade Brake Check stoppi...

Page 17: ...lter element extreme engine wear or damage will occur 1 To remove air filter snap cover latch open swing to side and unhook Fig 18 1579 2 1 Figure 18 1 Filter 2 Cover 2 Remove cover and air filter 3 W...

Page 18: ...lbs 20 N m Fig 22 1053 1 Figure 22 1 Spark plug wire 4 Reconnect spark plug wire when maintenance is completed Fig 22 Clean Mower Housing A clean mower housing provides the best cutting performance C...

Page 19: ...24 Rotate the blade 180 and measure to other blade tip Note If measurements are not within 1 8 inch 3 2 mm blade should be replaced If after blade replacement the measurements are still not within 1 8...

Page 20: ...Check the balance of blade by placing the center hole of blade over a nail or screwdriver shank clamped horizontally in a vise Fig 27 2 If either end of blade rotates downward grind or file that end n...

Page 21: ...kshaft 991 1 Figure 29 1 Blade driver 4 Remove bolts attaching muffler and crankshaft support Fig 30 992 1 2 Figure 30 1 Crankshaft support 2 Bolts 5 Rotate crankshaft slowly until piston covers exhau...

Page 22: ...ngine mounting plate Fig 34 992 1 Figure 34 1 Crankshaft support Note Crankshaft support must have equal clearance around crankshaft circumference to prevent contact with crankshaft 11 Torque muffler...

Page 23: ...f damaged Engine starts hard or loses power 1 Drain and refill fuel tank with fresh gasoline oil mix 2 Clean gas cap vent hole 3 Clean or replace air filter element 4 Clean mower discharge chute 5 Cle...

Page 24: ...all four 4 wheels at same height 2 Sharpen and balance blade 3 Change mowing pattern 4 Clean underside of mower deck Discharge chute plugs 1 Move throttle lever from SLOW to FAST position 2 Raise cut...

Page 25: ...injury HOW TO AVOID THE HAZARD Never operate mower unless cover plate mulch plate or grass chute and catcher are installed 1 Stop engine and disconnect spark plug wire Fig 22 before installing or remo...

Page 26: ...RPM provides the best possible mulching of grass and leaves To achieve the best mulching action set mower height of cut so no more than 1 3 of grass stem is cut off maximum of 1 inch 25 mm long clippi...

Page 27: ...r pilot light Allow the engine to cool before storing in any enclosure We recommend Lawn Boy 2 4 Fuel Conditioner to stabilize fuel for storage Fig 37 If possible the last fuel fill of the year should...

Page 28: ...dle section back towards rear of mower into storage position Removing From Storage 1 Unfold handle See ASSEMBLY chapter Handle section 2 Check and tighten all fasteners 3 Remove spark plug Fig 42 and...

Page 29: ...y 8 9 45 5 8 68 99 88 4 6 58 96 2 3 99 54 9 9 3 5 8 54 953 685 9 9 68 99 88 4 5 9 45 5 8 D 59 5 8 2 8 3 4 4 4 9 8 58 6 8 9 9 9 2 89 2 2 8 4 9 5 2 4 9 96 81 62 9 2 9 86 4 4 2 584 5 2 2 41 0 9 3 4 9 58...