Briggs & Stratton MB (18 HP) owner manual Foreword

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Foreword

Thank you. . .for purchasing a Walker mower. Every effort has been made to provide you with the most reliable mower on the market, and we are sure you will be among our many satisfied custom- ers. If for any reason this product does not perform to your expectations, please contact us at (970) 221-5614. Every customer is important to us. Your satisfaction is our goal.

Please. . .read this manual thoroughly! This manual is to be used in conjunction with the engine manufacturer’s manual for the specific engine on the mower model you have purchased. Before you operate your new mower, please read this entire manual. Some of the information is crucial for prop- er operation and maintenance of this mower - it will help protect your investment and ensure that the mower performs to your satisfaction. Some of the information is important to your safety, and must be read and understood to help prevent possible injury to the operator or others. If anything in this manual is confusing or hard to understand, please call our service department, at (970) 221-5614, for clarification before operating or servicing this mower.

This manual covers Model MB with the Briggs & Stratton Vanguard 18 HP gasoline engine.

All shields and guards must be in place for the proper and safe operation of this machine. Where they are shown removed in this manual, it is for illustration purposes only. Do not operate this machine unless all shields and guards are in place.

Specifications given are based on the latest information available at the time this manual was produced.

Walker Mfg. Co. is continually striving to improve the design and performance of its products. We reserve the right to make changes in specifications and design without thereby incurring any obli- gation relative to previously manufactured products.

Sincerely,

WALKER MANUFACTURING COMPANY

Bob Walker, President

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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 TransmissionTire Pressure Blade DriveTire Size Seat Mower DeckDrive Belts FRAME/BODY ConstructionComponent Identification Front View and Right Side ViewRear View and Left Side View Top View Body Raised Do not mow with bystanders in the area Safety InstructionsBefore Operating 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 Controls Operating InstructionsControl IDENTIFICATION, LOCATION, and Function 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 ViewDisengaged Adjusting Ground Speed and SteeringStarting the Engine 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 PressureDrive Belts Mower Blade Profile For SharpeningBlade Balanced on Magnetic Wall-Mounted Balancer 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 KRNHDQG7KURWWOH$VVHPEOLHV 5283XHO7DQN$VVHPEO\ F392 3DUNLQJ%UDNH$VVHPEO\ +5267$7,&*52815,9$660%/,6URXQGULYH$VVHPEOLHV F066 7UDQVPLVVLRQ6SULQJ$VVHPEOLHV 675,1*&21752/$660%/,66WHHULQJ/HYHU6&$VVHPEOLHV Dvwhqhuv 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