Husqvarna MZ61 warranty Troubleshooting Guide, Problem Cause

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TROUBLESHOOTING GUIDE

 

Problem

 

Cause

 

 

 

 

 

 

Engine will not start

Blade switch is engaged

 

 

• Steering controls are not locked in the neutral position

 

 

• Parking brake is not activated

 

 

Battery is dead

 

 

• Contamination in the carburetor or fuel line

 

 

• Fuel supply is closed

 

 

• Clogged fuel filter or fuel line

 

 

Faulty ignition system

 

 

 

 

 

 

Starter does not turn the engine over

Dead battery

 

 

• Poor contacts on the battery terminal cable connections

 

 

Fuse blown

 

 

Ignition system faulty

 

 

• Fault in the starter safety circuit. See Safety System in

 

 

 

Maintenance section

 

 

 

 

 

 

Engine runs rough

Faulty carburetor

 

 

• Clogged fuel filter or jet

 

 

• Clogged ventilation valve on the fuel cap

 

 

• Fuel tank nearly empty

 

 

Fouled spark plug

 

 

• Spark plug is loose

 

 

• Rich fuel mixture or fuel-air mixture

 

 

Wrong fuel type

 

 

• Water in the fuel

 

 

Clogged air filter

 

 

 

 

 

 

Engine seems weak

Clogged air filter

 

 

Fouled spark plugs

 

 

Carburetor incorrectly adjusted

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Contents Operator Manual All rights reserved Contents Page Introduction Manufacturing Number Good ServiceXxxxxxxxx xxxxxx xxxxxxxxx. xx xxxxxxxx xxxx Symbols and DecalsRemove key before Performing any Safety Instructions SafetyGeneral Operation Never take passengers Slope Operation Personal Safety EquipmentChildren Safe Handling of Gasoline Use protective glasses for maintenance work General MaintenanceRisk of sparking Spark Arrestor TransportControl Locations ControlsMotion Control Levers Blade Switch Service MinderChoke Control Ignition Switch Parking Brake Tracking KnobFuses Seat Adjustment Lever Cutting Height AdjusterFuel Shut Off Valve Hydro Release Levers Fuel TankTraining OperationSteering Before Starting Starting the Engine Place controls in neutral position Press in and turn the ignition key to the start position To remove cables, reverse order Weak BatteryRunning Operating on Hills Stopping the Engine Mowing Tips Engine stopped Ignition key removed Parking brake activated Moving Machine By HandMaintenance Schedule MaintenanceMaintenance Replacing battery BatteryTire Pressures Safety SystemDeck Belt Deck Belt InstallationDeck Belt Removal Pump Belt Belt InstallationBelts Replacing Pump BeltCutting Blades Leveling deck Adjusting the Mower DeckAnti-scalp rollers Use protective glasses when cleaning and washing CleaningCaster Wheels HardwareLubrication Schedule LubricationGeneral Front Wheel Mount Wheel and Deck ZerksFront Wheel Bearings Deck SpindlesTransaxle Transmission Fluid Change Engine oil changeTransmission Purging Problem Cause Troubleshooting GuideTroubleshooting Guide Storage ServiceWinter Storage Schematic Torque Specifications Technical DataStandard Hardware Metric Standard HardwareBriggs & Stratton USA requirements Conformity CertificatesDelivery Service Service JournalAction Stamp, signDate, mtr reading Stamp, sign After 10 hoursDaily Service Hour Service Service Journal Service Journal At least once each year Page 115 647127 Rev a 2013-10-01