Husqvarna YTH180 owner manual Acceleration Test

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SERVICE AND ADJUSTMENTS

ACCELERATION TEST -

• Move throttle control lever from slow () to fast ( ) position. If engine hesitates or dies, turn idle mixture screw out (counterclockwise) 1/8 turn. Repeat test and continue to adjust, if necessary, until engine acceler- ates smoothly.

High speed stop is factory adjusted. Do not adjust-damage may result.

IMPORTANT: NEVER TAMPER WITH THE ENGINE GOVERNOR, WHICH IS FACTORY SET FOR PROPER ENGINE SPEED. OVERSPEEDING THE ENGINE ABOVE THE FACTORY HIGH SPEED SETTING CAN BE DANGEROUS. IF YOU THINK THE ENGINE-GOVERNED HIGH SPEED NEEDS ADJUSTING, CONTACT YOUR N E A R E S T A U T H O R I Z E D S E R V I C E C E N T E R / DEPARTMENT, WHICH HAS PROPER EQUIPMENT AND E X P E R I E N C E T O M A K E A N Y N E C E S S A R Y ADJUSTMENTS.

CASING	STOP SCREW	SPEED CONTROL
CLAMP		LEVER
SCREW

THROTTLE

CABLE

FIG. 36

STOP

SCREW

SPEED

CONTROL

LEVER

	FIG. 37

IDLE SPEED	IDLE FUEL
IDLE SPEED	ADJUSTING
ADJUSTING	NEEDLE
SCREW

MAIN FUEL

ADJUSTING

NEEDLE

FIG. 38

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Contents YTH180 Safe Operation Practices for Ride-On Mowers IV. ServiceGeneral Operation II. Slope OperationCustomer Responsibilities Product SpecificationsModel Number YTH180 Serial Table of Contents Contents of Hardware Pack Tools Required for Assembly AssemblyTo Remove Tractor from Carton Before Rolling Tractor OFF SkidCheck Tire Pressure HOW to SET UP Your TractorCheck Deck Levelness Check for Proper Position of ALL BeltsTo Attach Front Bumper See Fig Install Battery See FigsAssemble Gauge Wheels to Mower Deck See Fig Install Mulcher Plate See Figs a & 8BTo Convert to Bagging or Discharging Know Your Tractor OperationHOW to USE Your Tractor To Operate on Hills Before Starting the EngineADD Gasoline To Start Engine See Fig Indicator LightsPurge Transmission Mulching Mowing Tips Mowing TipsService Dates Lubrication ChartCustomer Responsibilities General RecommendationsBrake Operation TractorTires Blade CareBelts EngineTransaxle Cooling Transaxle Pump FluidEngine OIL Filter CleaningMuffler Spark PlugsTo Install Mower See Fig Service and AdjustmentsTo Remove Mower See Fig FRONT-TO-BACK Adjustment See Figs To Level Mower HousingTo Adjust Brake See Fig To Adjust Attachment Clutch See FigBelt Installation To Replace Mower Blade Drive Belt See Fig Transmission REMOVAL/REPLACEMENT To Adjust Motion Control Lever See Fig To Replace Motion Drive Belt See Fig To Start Engine with a Weak Battery See Fig To Adjust Steering Wheel AlignmentFront Wheel TOE-IN/CAMBER To Remove Wheel for Repairs See FigTo Replace Headlight Bulb To Replace FuseInterlocks and Relays Acceleration Test Other StorageProblem Cause Correction Troubleshooting PointsOFF Indicator Lights SchematicIgnition Switch Wiring Insulated Clips PTO SwitchElectrical Repair PartsKEY Part NO. NO. Description Chassis and Enclosures KEY Part NO. no Description Drive KEY Part Description Steering Assembly KEY Part NO. no Description 118 HP 42 Tractor Model NO. YTH180 954001172A Seat AssemblyLBD48 Wheels & TiresLSB42 Optional Equipment Engine Mower Lift Assembly KEY Part NO. NO. Description Mower KEY Part NO. no Description HYDRO-GEAR Transaxle - Model Number Repair Parts Service Notes Service Notes Sighting Guide Suggested Guide for Sighting Slopes for Safe OperationPerimeter Woods Drive Warranty StatementCHARLOTTE, North Carolina 532145464