Husqvarna WH4817EFQ2, WH5219EFQ manual Rich fuel mixture or fuel-air mixture

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TROUBLE SHOOTING GUIDE

	• Rich fuel mixture or fuel-air mixture.
	•	Wrong fuel type.
	• Water in the fuel.
	•	Clogged air filter.

The engine seems weak.	•	Clogged air filter.
	•	Defective spark plugs.
	• Carburetor incorrectly adjusted. Worn engine.

The engine overheats.	•	Clogged air intake or cooling fins.
	•	Engine overloaded.
	• Poor ventilation around engine.
	• Defective engine speed regulator.
	• Too little or no oil in the engine.
	•	Defective spark plugs.

Battery not charging.	•	Poor contact with battery terminal
		cable connectors.

The machine moves slowly, unevenly, or not at all.

•Parking brake on.

•Venting valve on pump open.

•Drive belt for the pump slack or has come off.

•Defective hydraulic system.

•Air in the hydraulic system.

Mower deck not engaging.	• Drive belt for the mower deck has come loose.
	• Contact for the electromagnetic coupling
	has loosened.
	• The control for engaging the mower deck is
	faulty or has come loose from the cable contact.
	• The fuse has blown.

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Contents

WH4817EFQ/968999252 WH5219EFQ/968999253 Page Contents OPERATOR’S Manual Mower WH4817EFQ WH5219EFQEnglish-2 Introduction IntroductionGood Service Manufacturing NumberSymbols and Decals Symbols and DecalsXxxxxxx xxxx xxxxxxxx xxx Xxxx xxxxxx Keep a safe Safety Instructions Safety InstructionsGeneral Use Age of the user Do as follows Driving on SlopesDo not Children Maintenance Risk of sparking Use protective glasses at maintenance work Transport Customer responsibilitiesControls Control LocationsGround Speed Lever Ignition SwitchChoke Control Operator Presence Lever Throttle ControlNeutral Bail Blade Engagement SwitchParking Brake Hour Meter Motion control leversTracking Knob RefuelingFuses Fuel Shut-off ValveClose fuel valve at the end of each mowing job Lifting Lever for the Mower Deck Pump release valvesAccessories Training OperationOperation To move forward and backwardBefore Starting Starting the EngineNeutral lock bail, locked position RPM to maximum To start an engine with a weak battery Running ReversingTo operate on hills Mowing TipsClean mower deck after each use Emergency stop StoppingNormal operating stop Stopping the Engine Moving Machine by Hand Adjustment of cutting heightWheel Motor Adjustment Floating deck machinesMaintenance MaintenanceMaintenance Schedule English-36 Battery To clean or replace battery and terminalsIgnition System Checking the Safety System Functional checkChecking and Adjusting the Choke Cable Checking and Adjusting Throttle CableChecking the Engines Cooling Air Intake Replacing the Air Filter Checking the Fuel Pump’s Air Filter Replacing the Fuel FilterChecking Tire Pressures Checking the V-belts Deck beltChecking the Blades Pump beltAdjusting Cutting Height Adjusting the Mower DeckLeveling To adjust anti-scalp rollers Caster Wheels Cleaning and WashingHardware Blade replacement Lubrication LubricationLubrication Schedule Front Wheel Mount Lubricating the CablesLubricating in Accordance with the Lubrication Schedule Front Wheel BearingsBelt Adjuster, Mower Deck Throttle and Choke Cables, Lever Bearings Engine Oil Changing the Engine Oil Checking the Oil LevelChanging the Oil Filter Hydraulic System, Oil Level Mower Deck Height AdjusterChanging Oil and Filters Trouble Shooting Guide Trouble Shooting GuideProblem Cause Rich fuel mixture or fuel-air mixture English-57 Storage ServiceStorage Winter StorageWiring Diagrams Wiring diagramsWiring Diagram Engine Technical DataTechnical Data TransmissionTorque Specifications Overall dimensionsConformity Certificates USA requirementsDelivery Service Service JournalService Journal After the First 8 HoursHour Service English-66 English-67 English-68 At Least Once Each Year 110585R0108/10/05