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Briggs & Stratton MB (18 HP) owner manual Replacing/Repairing, Maintenance Instructions

Models: MB (18 HP)

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Page 50

Maintenance Instructions	REPLACING/REPAIRING

Ground Drive Belt
1. To remove the ground drive belt:	b. Slide belt off pulleys, then release the
	idler.

a.Raise the spring-loaded idler to relax belt.

RH Transaxle

	LH Transaxle	Ground Drive
	LH Transaxle	Belt
		Belt

Drive Pulley

Tension

Spring

Idler Pulley

Hydro Idler

Raise Idler Pulley toArm

Relax Belt

Ground Drive Belt Assembly (Disengaged)

2.Reverse the procedure to install the ground drive belt.

		RH Transaxle
	LH Transaxle	Ground Drive
	LH Transaxle	Belt
		Belt

Drive Pulley

Idler Pulley

Hydro Idler Arm

Ground Drive Belt Assembly (Engaged)

Page 50

Image 50

Briggs & Stratton MB (18 HP) Replacing/Repairing, Maintenance Instructions, Ground Drive Belt Assembly Disengaged

Contents

OWNER’S MANUAL Please Read and Save These InstructionsSafety, Assembly, Operating, and Maintenance Instructions and ILLUSTRATED PARTS MANUALForeword Assembly Instructions Table of ContentsComponent Identification Safety Instructions Maintenance InstructionsBODY / CHASSIS ASSEMBLY MAIN COMPONENT POWER TRANSMISSION Illustrated Parts ManualTable of Contents STEERING CONTROL ASSEMBLIES ELECTRICAL ASSEMBLYHIGHLIGHTED INFORMATION General InformationPOWER TAKE-OFF PTO transmits engine power to run the cutter blades GLOSSARYMower Deck Serial Number Location ENGINE SERIAL NUMBER LOCATION General InformationTractor Serial Number Location Engine Serial Number LocationENGINE SpecificationsMODEL ELECTRICAL SYSTEMMODEL SpecificationsDIMENSIONS Tractor and Mower TRANSMISSION continuedCURB WEIGHT Approximate SpecificationsDIMENSIONS continued MODELComponent Identification Front View and Right Side ViewComponent Identification Rear View and Left Side ViewComponent Identification Top View Body RaisedDANGER, WARNING, CAUTION, IMPORTANT, and NOTE in this manual Safety InstructionsDANGER BEFORE OPERATING8. Do not carry passengers - maximum seating capacity is one 1 person Safety InstructionsOPERATING 16. In case of a clogged or plugged mower deck Safety InstructionsMAINTENANCE Safety Instructions 6. Always use the proper engine service manual when working on the engine. Unauthorized maintenance operations or modifications to the engine may result in unsafe operating conditionsSAFETY, CONTROL, AND INSTRUCTION DECALS Safety InstructionsBlade Clutch on Front Body SAFETY, CONTROL, AND INSTRUCTION DECALSSafety Instructions Battery Service Assembly InstructionsSETUP INSTRUCTIONS Mower Deck AssemblyRoller Wheel Installation Assembly InstructionsPTO Shaft Guard Installation Mower Deck Installation on TractorAssembly Instructions Deck Counterweight Spring InstallationCUTTING HEIGHT in Operating Instructions Assembly Instructionsprocedure The machine must be shut off during thisBody Rod in Engaged Position Assembly InstructionsPREOPERATING CHECKLIST Body Rod in Stowed PositionDANGER DANGERAssembly Instructions DO NOT fill fuel tank with the engine run- ningDeck Secured in Tilt-Up Position Assembly InstructionsDANGER Do not operate machine with deck tilt-up pivot joint unlockedIgnition Switch Operating InstructionsIgnition Switch CONTROL IDENTIFICATION, LOCATION, AND FUNCTIONEngine Choke PTO SwitchOperating Instructions Engine ThrottleTransaxle Lockout Rods Operating InstructionsParking Brake Hydro Lockout Rod LocationOperating Instructions Operating Controls Top View from Drivers Point of ViewOperating Instructions ADJUSTING GROUND SPEED AND STEERINGKeep feet on footrest at all times when the machine is moving DANGERCorrect Operator Hand Position on the Controls Operating InstructionsBeginning Recommendations are Blade Clutch Engaged Blade Clutch Disengaged Operating InstructionsENGAGING THE MOWER Operating Instructions ADJUSTING CUTTING HEIGHTCutting Height Adjustment STOPPING THE MACHINEHydro Lockout Rod - Freewheel Position Operating InstructionsTRANSAXLE LOCKOUTS Hydro Lockout Rod - Normal Operating PositionSide Discharge Shield in Lowest Position Operating InstructionsInstructions Maximum Recommended Side SlopeService Item Maintenance InstructionsMAINTENANCE SCHEDULE CHART - RECOMMENDED SERVICE INTERVALS - MODEL MB DailyAir Cleaner BRIGGS & STRATTON TIPSMaintenance Instructions IMPORTANT TIPS FOR CARE OF THE BRIGGS & STRATTON ENGINE Fuel SystemLUBRICATION LUBRICATIONMaintenance Instructions Engine OilDipstick and Oil Fill view from above left side of tractor Maintenance InstructionsLUBRICATION Oil Drain and Oil Filter Locations6WHHULQJ/HYHU3LYRW LUBRICATIONMaintenance Instructions HFNWR372&RXSOLQJChassis and Deck Lubrication Points Maintenance InstructionsLUBRICATION Mower Deck Gearbox Lubrication Maintenance InstructionsLUBRICATION Mower Deck Gearboxes shown with gearbox cover removed for clarityTransaxle Drain Plugs view from underside of tractor CLEANING LUBRICATION/CLEANINGMaintenance Instructions Keep Engine Screen CleanClean Cooling Fins and Fan Air Cleaner System CLEANINGMaintenance Instructions Air Cleaner Components Grass Buildup in Mower HousingDANGER CLEANING CHECKING/SERVICINGMaintenance Instructions Deck Secured in Tilt-Up PositionSecurity of Air Cleaner System CHECKING/SERVICINGMaintenance Instructions BatteryCHECKING/SERVICING Maintenance InstructionsALWAYS wear eye protection and gloves when sharpening a blade Mower Blade Profile For SharpeningREPLACING/REPAIRING CHECKING/SERVICING REPLACING/REPAIRINGMaintenance Instructions DANGERRemove Belt Guard REPLACING/REPAIRINGMaintenance Instructions Engine/PTO Belt DisengagedGround Drive Belt Assembly Disengaged REPLACING/REPAIRINGMaintenance Instructions Ground Drive Belt Assembly EngagedDANGER Maintenance InstructionsREPLACING/REPAIRING Fuel FilterDANGER Maintenance InstructionsREPLACING/REPAIRING PTO Shear PinADJUSTMENTS Transmission Control ADJUSTMENTSMaintenance Instructions Stop Bolt Location Stop Bolt AdjustmentSteering Lever Adjustment Maintenance InstructionsADJUSTMENTS Steering AdjustmentNeutral Window Maintenance InstructionsADJUSTMENTS Neutral Travel EndNeutral Travel End Adjust Maintenance InstructionsADJUSTMENTS FSC Switch LocationTilt-Up Deck Adjustable Stop ADJUSTMENTS/ ELECTRICAL SYSTEMMaintenance Instructions Tilt-Up Deck Adjustable Stop75$&725&$/6 0DLQWHQDQFHHFDOVIIHFWLYHDWH 75$&725&$/6Refer to Decks Parts Manual 13 for Deck Decals 8VHRQO\JHQXLQHDONHUUHSODFHPHQWSDUWVDVWHQHUV 2&+$66,6$660%7LOW8S/DWFK$VVHPEO\ KDVVLV$VVHPEO\F029 2&+$66,6$660%43 F341 F246DVWHQHUV 0$,1&203211732575$160,66,21372ULYH$VVHPEO\ QWHUQDO6WDU/RFNDVKHUF171 Assembly0$,1&203211732575$160,66,21 F278XHO7DQN$VVHPEO\ 1*,1*5283DVWHQHUV KRNHDQG7KURWWOH$VVHPEOLHVF184 Refer to 17Body / Chassis Assembly1*,1*5283 F050F002DVWHQHUV +5267$7,&*52815,9$660%/,6URXQGULYH$VVHPEOLHV 3DUNLQJ%UDNH$VVHPEO\F111 +5267$7,&*52815,9$660%/,6F012 F067DVWHQHUV 675,1*&21752/$660%/,66WHHULQJ/HYHU6&$VVHPEOLHV 7UDQVPLVVLRQ6SULQJ$VVHPEOLHVF009 675,1*&21752/$660%/,6F183 F198 F385DVWHQHUV 75,&$/$660%OHFWULFDO$VVHPEO\ 5HOD\6ZLWFK$031DETAIL G 75,&$/$660%DETAIL A DETAIL HDVWHQHUV 635$7$,/+/$/.,76SUHDG$OH.LW 7DLOKHHO$OHF016 Refer to Body / Chassis Assembly635$7$,/+/$/.,7 F046 F013Beginning S/N 5,1*6&+0$7BATTERY 2. WHAT THIS WARRANTY DOES NOT COVER LIMITED WARRANTY FOR WALKER MODEL MB RIDER MOWER1. WHAT THIS WARRANTY COVERS, AND FOR HOW LONG 3. HOW TO OBTAIN SERVICE UNDER THIS WARRANTYSound - Model MB WALKER MFG. CO. 5925 E. HARMONY ROAD, FORT COLLINS, CO 80528 9700.6g Vibration - Model MB