Briggs & Stratton MB (18 HP) owner manual Remove Belt Guard, Engine/PTO Belt Disengaged

Page 49

Maintenance Instructions

REPLACING/REPAIRING

Engine/PTO Belt

1.To remove the engine/PTO belt:

a.Remove belt guard from underneath muf- fler. Refer to Remove Belt Guard photo.

b.Relax the belt by depressing the spring- loaded idler arm.

c.Roll the belt off the pulley and remove the belt.

Remove Bolts to Access Engine/PTO Belt

Remove Belt Guard

Electric

Idler Arm Clutch Idler

Pulley

	Idler Pulley	Tension
	Idler Pulley	Spring
		Spring

Push Idler Pulley

to Relax Belt

PTO Drive	Engine/PTO
Pulley	Belt

Engine/PTO Belt (Disengaged)

2.Reverse the removal procedure to replace the engine belt.

Electric

Idler Arm Clutch Idler

Pulley

	Idler Pulley	Tension
	Idler Pulley	Spring
		Spring

PTO Drive	Engine/PTO
Pulley	Belt
	Engine/PTO Belt (Engaged)

47

Image 49

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