Briggs & Stratton MB (18 HP) Main Component, Hydrostatic Ground, Steering Control Assemblies

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Table of Contents

ADJUSTMENTS ________________________ 51

Transmission Control _________________ 51

Steering Lever Position Adjustment _____ 51

Steering Handles Adjustment __________ 51

Neutral Position Adjustment ___________ 52

Full Forward Speed Adjustment ________ 53

Straight Tracking Adjustment __________ 53

Neutral Switch Adjustment ____________ 54

Forward Speed Control Friction Adjustment 54 Tilt-Up Deck Adjustable Stop ___________ 55

ELECTRICAL SYSTEM_________________ 55

Illustrated Parts Manual

TRACTOR DECALS _____________________ 56

BODY / CHASSIS ASSEMBLY ____________ 58

MAIN COMPONENT

POWER TRANSMISSION ________________ 60

ENGINE GROUP _______________________ 62

HYDROSTATIC GROUND

DRIVE ASSEMBLIES ____________________ 64

STEERING CONTROL ASSEMBLIES_______ 66

ELECTRICAL ASSEMBLY________________ 68

SPREAD TAIL WHEEL AXLE KIT __________ 70

WIRING SCHEMATIC____________________ 72

Warranty ___________________________ 73

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Contents Illustrated Parts Manual Foreword Table of Contents Main Component Hydrostatic GroundSteering Control Assemblies Spread Tail Wheel Axle KITGeneral Information GlossaryIdentifying Number Locations Fill In By PurchaserServicing of Engine and Drivetrain Components Specifications EngineElectrical System TransmissionTire Size Blade DriveTire Pressure Mower Deck Drive BeltsSeat FRAME/BODY ConstructionComponent Identification Front View and Right Side ViewRear View and Left Side View Top View Body Raised Before Operating Safety InstructionsDo 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 Assembly Instructions Setup InstructionsBattery Service Deck Caster Wheel InstallationPTO Shaft Guard Installation Deck InstallationMower Deck 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 Control IDENTIFICATION, LOCATION, and Function Operating InstructionsOperating Controls PTO Switch Engine ChokeEngine Throttle 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 ViewStarting the Engine Adjusting Ground Speed and SteeringDisengaged Correct Operator Hand Position on the Controls Engaging the Mower Blade Clutch Engaged Blade Clutch DisengagedCutting Height Adjustment Stopping the MachineTransaxle Lockouts Hydro Lockout Rod Freewheel PositionHydro Lockout Rod Normal Operating 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 Lubrication Engine OilEach USE 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 LubricationCleaning Keep Engine Screen CleanTransaxle Oil Filter Location Transaxle Drain Plugs View from underside of tractorCleaning Clean Cooling Fins and Fan Air Cleaner SystemDeck Secured in Tilt-Up Position CHECKING/SERVICINGBattery Cleaning the TerminalsBatteries Produce Explosive Gases Tire PressureBlade Balanced on Magnetic Wall-Mounted Balancer Mower Blade Profile For SharpeningDrive Belts REPLACING/REPAIRING Spark PlugsBreaker Points Belt LocationsEngine/PTO Belt Remove Belt GuardEngine/PTO Belt Disengaged Engine/PTO Belt EngagedGround Drive Belt Assembly Disengaged Ground Drive Belt Assembly EngagedFuel Filter Fuel Filter LocationCutting Blade Shear Bolts PTO Shear PinMower Blades Adjustments Steering Lever Position Adjustment StepStop Bolt Location Stop Bolt Adjustment Steering Handles Adjustment StepSteering Lever Adjustment Neutral Position Adjustment StepFSC Position Steering Adjustment Actuator Rod Length AdjustmentFull Forward Speed Adjustment Step Straight Tracking Adjustment StepNeutral Window Neutral Travel EndNeutral Travel End Adjust Neutral Switch Adjustment StepFSC Switch Location Forward Speed Control Friction Adjustment StepADJUSTMENTS/ Electrical System Tilt-Up Deck Adjustable Stop75$&725&$/6 0DLQWHQDQFHHFDOVRefer to Decks Parts Manual 13 for Deck Decals +$66,6$660% 7LOW8S/DWFK$VVHPEO\Dvwhqhuv KDVVLV$VVHPEO\F009 $,1&203211732575$160,66,21 372ULYH$VVHPEO\ DvwhqhuvF051 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 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