Briggs & Stratton MB (18 HP) owner manual Servicing of Engine and Drivetrain Components

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General Information

Serial Number

Tractor Serial Number Location

Serial Number

Mower Deck Serial Number Location

ENGINE SERIAL NUMBER LOCATION

The Briggs & Stratton engine model, type, and code numbers are located on the left hand of the engine shroud. For the mower model covered by this man- ual, contact a Briggs & Stratton servicing dealer.

Serial Number

Engine Serial Number Location

SERVICING OF ENGINE AND DRIVETRAIN COMPONENTS

The detailed servicing and repair of the engine, tran- saxle and gearboxes are not covered in this manual. Only routine maintenance and general service instructions are provided. For the service of these components during the limited warranty period, it is important to find a local, authorized servicing agent of the component manufacturer. Any unauthorized work done on these components during the war- ranty period may void the warranty. If you have any difficulty finding an authorized outlet or obtaining war- ranty service, please contact our Service Department for assistance:

Walker Manufacturing Company

5925 E. Harmony Road

Fort Collins, CO 80528

1-970-221-5614

Service manuals are available for each of these components from their respective manufacturers as follows:

Briggs & Stratton	Briggs & Stratton
Engine	800-233-3723
	(24-hour hotline in
	USA & Canada)
	www.briggsandstratton.com

Transaxle Hydro-Gear

Sullivan, IL

Gearboxes (Deck) Tecumseh Products Co.

900 North Street

Grafton, Wl 53024

4

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Contents Illustrated Parts Manual Foreword Table of Contents Steering Control Assemblies Main ComponentHydrostatic Ground Spread Tail Wheel Axle KITIdentifying Number Locations General InformationGlossary Fill In By PurchaserServicing of Engine and Drivetrain Components Electrical System SpecificationsEngine TransmissionBlade Drive Tire SizeTire Pressure Seat Mower DeckDrive Belts FRAME/BODY ConstructionComponent Identification Front View and Right Side ViewRear View and Left Side View Top View Body Raised Safety Instructions Before OperatingDo not mow with bystanders in the area Operating Maintenance Case of a clogged or plugged mower deckSafety Instructions SAFETY, CONTROL, and Instruction Decals SAFETY, CONTROL, and Instruction Decals Battery Service Assembly InstructionsSetup Instructions Deck Caster Wheel InstallationMower Deck Installation PTO Shaft Guard InstallationDeck Installation PTO Shaft ConnectionDeck Counterweight Spring Installation Deck Leveling Body Rod in Engaged Position Body Rod in Stowed PositionCheck Engine Crankcase OIL Level Adjust Mower Cutting HEIGHT, if RE- Quired Operating Instructions Control IDENTIFICATION, LOCATION, and FunctionOperating Controls Engine Throttle PTO SwitchEngine Choke Choke and Throttle Location Forward Speed Control FSCHydro Lockout Rod Location Hourmeter Left Wheel Right Wheel Steering Lever Operating Controls Top View from Drivers Point of ViewAdjusting Ground Speed and Steering Starting the EngineDisengaged Correct Operator Hand Position on the Controls Engaging the Mower Blade Clutch Engaged Blade Clutch DisengagedCutting Height Adjustment Stopping the MachineHydro Lockout Rod Normal Operating Position Transaxle LockoutsHydro Lockout Rod Freewheel Position Recommendations for MowingSide Discharge Shield in Lowest Position Maximum Recommended Side SlopeMaintenance Instructions Service Item 100 250 Daily Hours YearlyImportant Tips for Care of the Briggs & Stratton Engine Each USE LubricationEngine Oil Dipstick Operating RangeDipstick and Oil Fill View from above left side of tractor Grease Fitting and Oil Point LubricationLubrication Maintenance Instructions Mower Deck Gearbox Lubrication Transaxle LubricationTransaxle Oil Filter Location CleaningKeep Engine Screen Clean Transaxle Drain Plugs View from underside of tractorCleaning Clean Cooling Fins and Fan Air Cleaner SystemDeck Secured in Tilt-Up Position CHECKING/SERVICINGBatteries Produce Explosive Gases BatteryCleaning the Terminals Tire PressureMower Blade Profile For Sharpening Blade Balanced on Magnetic Wall-Mounted BalancerDrive Belts Breaker Points REPLACING/REPAIRINGSpark Plugs Belt LocationsEngine/PTO Belt Disengaged Engine/PTO BeltRemove Belt Guard Engine/PTO Belt EngagedGround Drive Belt Assembly Disengaged Ground Drive Belt Assembly EngagedCutting Blade Shear Bolts Fuel FilterFuel Filter Location PTO Shear PinMower Blades Stop Bolt Location Stop Bolt Adjustment AdjustmentsSteering Lever Position Adjustment Step Steering Handles Adjustment StepFSC Position Steering Adjustment Steering Lever AdjustmentNeutral Position Adjustment Step Actuator Rod Length AdjustmentNeutral Window Full Forward Speed Adjustment StepStraight Tracking Adjustment Step Neutral Travel EndFSC Switch Location Neutral Travel End AdjustNeutral Switch Adjustment Step Forward Speed Control Friction Adjustment StepADJUSTMENTS/ Electrical System Tilt-Up Deck Adjustable Stop75$&725&$/6 0DLQWHQDQFHHFDOVRefer to Decks Parts Manual 13 for Deck Decals Dvwhqhuv +$66,6$660%7LOW8S/DWFK$VVHPEO\ KDVVLV$VVHPEO\F009 $,1&203211732575$160,66,21 372ULYH$VVHPEO\ DvwhqhuvF051 5283 XHO7DQN$VVHPEO\KRNHDQG7KURWWOH$VVHPEOLHV F392 +5267$7,&*52815,9$660%/,6 URXQGULYH$VVHPEOLHV3DUNLQJ%UDNH$VVHPEO\ F066 675,1*&21752/$660%/,6 6WHHULQJ/HYHU6&$VVHPEOLHV Dvwhqhuv7UDQVPLVVLRQ6SULQJ$VVHPEOLHV F183 75,&$/$660% OHFWULFDO$VVHPEO\ DvwhqhuvDetail a 635$7$,/+/$/.,7 6SUHDG$OH.LW DvwhqhuvF016 6&+0$7 Limited Warranty For Walker Model MB Rider Mower Sound Model MB Sound Test