Briggs & Stratton MB (18 HP) owner manual Important Tips for Care of the Briggs & Stratton Engine

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Maintenance Instructions

BRIGGS & STRATTON TIPS

IMPORTANT TIPS FOR CARE OF THE BRIGGS & STRATTON ENGINE

Fuel System

Fuel must be clean - free from water, dirt, and or- ganic material.

Clean the fuel filter on a regular basis and when contamination is suspected or found in the fuel.

Starting

Start engine with the throttle advanced off idle (1/4 to 1/2 throttle). This will aid starting, especially in cold weather.

Keep the battery fully charged.

Match crankcase oil viscosity to the ambient tem- perature, allowing the engine to crank faster and start easier.

Allow engine to run at idle for a few seconds be- fore stopping engine to avoid run-on or backfiring.

Cooling System

Keep engine air intake screen and cylinder head fins free of grass clippings, chaff, and dirt. Inspect intake screen and cooling fins for cleanliness and damage.

Operate the engine at full speed when mowing. This will allow the engine to produce full horsepower and move more cooling air through the engine cool- ing fins.

Air Cleaner

Use only Briggs & Stratton air cleaner elements. Aftermarket elements may not seal in the air cleaner housing, allowing dirt to enter the engine. Also, af- termarket filters often skimp on the filtration media and require more frequent cleaning and replace- ment.

DO NOT overservice or frequently “disturb” the air filter. A dirty air filter actually cleans better than a new one. Changing and cleaning the filter too of- ten can actually reduce filter efficiency and increase the opportunity for traces of dust to enter the engine. Wait until the element really needs servicing as indi- cated by the loss of engine power.

When the air filter element is removed or re- placed, make sure all dust is cleaned out of the air cleaner body. Use a damp cloth and wipe the inte- rior of the air cleaner body clean (a little dirt left here will be sucked into the engine and reduce engine life). When the filter is reinstalled, make sure the el- ement is held tight and straight in the air cleaner body for proper seating and sealing.

Oil

Single viscosity or multi-viscosity oils may be used with the viscosity matching ambient tempera- tures for the engine operating conditions. This will aid starting in cold weather and assure proper lu- brication in hot weather.

Use only Briggs & Stratton oil filters. Aftermarket filters may not seal properly and/or have the in- correct pressure relief valve for proper lubrication.

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Contents Illustrated Parts Manual Foreword Table of Contents Hydrostatic Ground Main ComponentSteering Control Assemblies Spread Tail Wheel Axle KITGlossary General InformationIdentifying Number Locations Fill In By PurchaserServicing of Engine and Drivetrain Components Engine SpecificationsElectrical System TransmissionTire Size Blade DriveTire Pressure Drive Belts Mower DeckSeat FRAME/BODY ConstructionFront View and Right Side View Component IdentificationRear View and Left Side View Top View Body Raised Before Operating Safety InstructionsDo not mow with bystanders in the area Operating Case of a clogged or plugged mower deck MaintenanceSafety Instructions SAFETY, CONTROL, and Instruction Decals SAFETY, CONTROL, and Instruction Decals Setup Instructions Assembly InstructionsBattery Service Deck Caster Wheel InstallationDeck Installation PTO Shaft Guard InstallationMower Deck Installation PTO Shaft ConnectionDeck Counterweight Spring Installation Deck Leveling Body Rod in Stowed Position Body Rod in Engaged PositionCheck Engine Crankcase OIL Level Adjust Mower Cutting HEIGHT, if RE- Quired Control IDENTIFICATION, LOCATION, and Function Operating InstructionsOperating Controls Engine Choke PTO SwitchEngine Throttle Choke and Throttle Location Forward Speed Control FSCHydro Lockout Rod Location Hourmeter Operating Controls Top View from Drivers Point of View Left Wheel Right Wheel Steering LeverStarting the Engine Adjusting Ground Speed and SteeringDisengaged Correct Operator Hand Position on the Controls Blade Clutch Engaged Blade Clutch Disengaged Engaging the MowerStopping the Machine Cutting Height AdjustmentHydro Lockout Rod Freewheel Position Transaxle LockoutsHydro Lockout Rod Normal Operating Position Recommendations for MowingMaximum Recommended Side Slope Side Discharge Shield in Lowest PositionService Item 100 250 Daily Hours Yearly Maintenance InstructionsImportant Tips for Care of the Briggs & Stratton Engine Engine Oil LubricationEach USE Dipstick Operating RangeGrease Fitting and Oil Point Lubrication Dipstick and Oil Fill View from above left side of tractorLubrication Maintenance Instructions Transaxle Lubrication Mower Deck Gearbox LubricationKeep Engine Screen Clean CleaningTransaxle Oil Filter Location Transaxle Drain Plugs View from underside of tractorClean Cooling Fins and Fan Air Cleaner System CleaningCHECKING/SERVICING Deck Secured in Tilt-Up PositionCleaning the Terminals BatteryBatteries Produce Explosive Gases Tire PressureBlade Balanced on Magnetic Wall-Mounted Balancer Mower Blade Profile For SharpeningDrive Belts Spark Plugs REPLACING/REPAIRINGBreaker Points Belt LocationsRemove Belt Guard Engine/PTO BeltEngine/PTO Belt Disengaged Engine/PTO Belt EngagedGround Drive Belt Assembly Engaged Ground Drive Belt Assembly DisengagedFuel Filter Location Fuel FilterCutting Blade Shear Bolts PTO Shear PinMower Blades Steering Lever Position Adjustment Step AdjustmentsStop Bolt Location Stop Bolt Adjustment Steering Handles Adjustment StepNeutral Position Adjustment Step Steering Lever AdjustmentFSC Position Steering Adjustment Actuator Rod Length AdjustmentStraight Tracking Adjustment Step Full Forward Speed Adjustment StepNeutral Window Neutral Travel EndNeutral Switch Adjustment Step Neutral Travel End AdjustFSC Switch Location Forward Speed Control Friction Adjustment StepTilt-Up Deck Adjustable Stop ADJUSTMENTS/ Electrical System0DLQWHQDQFHHFDOV 75$&725&$/6Refer to Decks Parts Manual 13 for Deck Decals 7LOW8S/DWFK$VVHPEO\ +$66,6$660%Dvwhqhuv KDVVLV$VVHPEO\F009 372ULYH$VVHPEO\ Dvwhqhuv $,1&203211732575$160,66,21F051 XHO7DQN$VVHPEO\ 5283KRNHDQG7KURWWOH$VVHPEOLHV F392 URXQGULYH$VVHPEOLHV +5267$7,&*52815,9$660%/,63DUNLQJ%UDNH$VVHPEO\ F066 6WHHULQJ/HYHU6&$VVHPEOLHV Dvwhqhuv 675,1*&21752/$660%/,67UDQVPLVVLRQ6SULQJ$VVHPEOLHV F183 OHFWULFDO$VVHPEO\ Dvwhqhuv 75,&$/$660%Detail a 6SUHDG$OH.LW Dvwhqhuv 635$7$,/+/$/.,7F016 6&+0$7 Limited Warranty For Walker Model MB Rider Mower Sound Test Sound Model MB