6&+0$7 | Briggs & Stratton MB (18 HP) guide

						WALKER MODEL MB
						Beginning S/N 2005-76681
			:,5,1*6&+(0$7,&

ELECTRIC

CLUTCH

BLK BRN

	RELAY - A			IGNITION SWITCH CIRCUITS
IGNITION RELAY				OFF	G + M
OFF		30 + 87A		START	B + A / S1 + S2
START		30 + 87		RUN	B + A
RUN		30 + 87		S1 = START CIRCUIT
PTO ON		30 + 87A		S2 = START/ACCESSORY CIRCUIT
				S2 = START/ACCESSORY CIRCUIT
				M = MAGNETO GROUND CIRCUIT
				B = BATTERY CIRCUIT
	RELAY - B			B = BATTERY CIRCUIT
	RELAY - B
START RELAY				A = ACCESSORY CIRCUIT
START RELAY				G = GROUND CIRCUIT
				G = GROUND CIRCUIT
OFF		30 + 87A
START		30 + 87
RUN		30 + 87
PTO ON		30 + 87A

PUR	CARB SOLENOID

PUR RECTIFIER/REGULATOR
WHT	ENGINE GROUND

RED	STARTER

							RED/YEL
							SEAT
							SWITCH
							PUR/
							WHT
			RED/WHT
				FSC
			NEUTRAL
			INTERLOCK
			SWITCH
		GRA
							15 AMP
		BLK					CIRCUIT
		BLK				BREAKER
						BREAKER
WHT	M	G
	S1	B		RED
		S2 A
			PUR				PUR
		PUR
		PUR		PUR/WHT
				YEL
				PTO
				CLUTCH
				SWITCH
		GRA		YEL
			BRN	BRN/
			BRN	WHT
		BLK		WHT
		BLK
						BLK
						30
				RED/YEL	86		85 BLK
					87	87A	RELAY - A
				WHT			WHT
				BLU/RED
	YEL

RELAY - B

30RED/

86 85 WHT

8787A

BLU/RED

YEL

BLK

STARTER

SOLENOID

YEL

RED

RED

BATTERY

BLK

BLK

BLK

HOUR

METER

BRN/WHT

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Image 74

Briggs & Stratton MB (18 HP) owner manual 6&+0$7

Contents

Illustrated Parts Manual Foreword Table of Contents Steering Control Assemblies Main ComponentHydrostatic Ground Spread Tail Wheel Axle KIT Identifying Number Locations General InformationGlossary Fill In By Purchaser Servicing of Engine and Drivetrain Components Electrical System SpecificationsEngine Transmission Tire Pressure Blade DriveTire Size Seat Mower DeckDrive Belts FRAME/BODY Construction Component Identification Front View and Right Side View Rear 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 deck Safety Instructions SAFETY, CONTROL, and Instruction Decals SAFETY, CONTROL, and Instruction Decals Battery Service Assembly InstructionsSetup Instructions Deck Caster Wheel Installation Mower Deck Installation PTO Shaft Guard InstallationDeck Installation PTO Shaft Connection Deck Counterweight Spring Installation Deck Leveling Body Rod in Engaged Position Body Rod in Stowed Position Check 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 FSC Hydro Lockout Rod Location Hourmeter Left Wheel Right Wheel Steering Lever Operating Controls Top View from Drivers Point of View Disengaged Adjusting Ground Speed and SteeringStarting the Engine Correct Operator Hand Position on the Controls Engaging the Mower Blade Clutch Engaged Blade Clutch Disengaged Cutting Height Adjustment Stopping the Machine Hydro Lockout Rod Normal Operating Position Transaxle LockoutsHydro Lockout Rod Freewheel Position Recommendations for Mowing Side Discharge Shield in Lowest Position Maximum Recommended Side Slope Maintenance Instructions Service Item 100 250 Daily Hours Yearly Important Tips for Care of the Briggs & Stratton Engine Each USE LubricationEngine Oil Dipstick Operating Range Dipstick and Oil Fill View from above left side of tractor Grease Fitting and Oil Point Lubrication Lubrication Maintenance Instructions Mower Deck Gearbox Lubrication Transaxle Lubrication Transaxle Oil Filter Location CleaningKeep Engine Screen Clean Transaxle Drain Plugs View from underside of tractor Cleaning Clean Cooling Fins and Fan Air Cleaner System Deck Secured in Tilt-Up Position CHECKING/SERVICING Batteries Produce Explosive Gases BatteryCleaning the Terminals Tire Pressure Drive Belts Mower Blade Profile For SharpeningBlade Balanced on Magnetic Wall-Mounted Balancer Breaker Points REPLACING/REPAIRINGSpark Plugs Belt Locations Engine/PTO Belt Disengaged Engine/PTO BeltRemove Belt Guard Engine/PTO Belt Engaged Ground Drive Belt Assembly Disengaged Ground Drive Belt Assembly Engaged Cutting Blade Shear Bolts Fuel FilterFuel Filter Location PTO Shear Pin Mower Blades Stop Bolt Location Stop Bolt Adjustment AdjustmentsSteering Lever Position Adjustment Step Steering Handles Adjustment Step FSC Position Steering Adjustment Steering Lever AdjustmentNeutral Position Adjustment Step Actuator Rod Length Adjustment Neutral Window Full Forward Speed Adjustment StepStraight Tracking Adjustment Step Neutral Travel End FSC Switch Location Neutral Travel End AdjustNeutral Switch Adjustment Step Forward Speed Control Friction Adjustment Step ADJUSTMENTS/ Electrical System Tilt-Up Deck Adjustable Stop 75$&725&$/6 0DLQWHQDQFHHFDOV Refer 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\ Dvwhqhuv F051 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\ Dvwhqhuv Detail a 635$7$,/+/$/.,7 6SUHDG$OH.LW Dvwhqhuv F016 6&+0$7 Limited Warranty For Walker Model MB Rider Mower Sound Model MB Sound Test