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Husqvarna SG13/968999353, SG13A, SG13 manual Troubleshooting, Symptom, Cause, Action

Models: SG13/968999353 SG13A, SG13

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TROUBLESHOOTING

Symptom	Cause	Action
The engine will not start
• User error	Fuel valve closed.	Open the fuel valve.
	Choke valve open.	Close the choke with cold engine.
	Engine switch in OFF position.	Turn engine switch to ON.
• Fuel system	Fuel tank empty.	Fill with fuel.
	Machine stored without	Clean tank, sludge reservoir and
	observing proper procedure	empty carburetor.
	from chapter “Storage/Winter	Fill the tank with fresh fuel.
	storage”.
	Contamination, water or ice in	Clean tank, sludge reservoir,
	fuel system	fuel lines and carburetor.
		Fill the tank with fresh fuel.
	Carburetor problems.	Contact an authorized service
		workshop.

• Spark plug	Wrong spark plug type.
	Buildup on electrodes.
	Short circuit.
	Gasoline or oil on the spark plug.

Replace the spark plug.

Check electrode gap and clean or replace spark plug.

Clean the spark plug. Air the engine out. Start with full throttle.

• No spark after	Faulty engine switch, cable	Contact an authorized service
checking spark plug	or ignition.	workshop.
• Low compression	Serious interior engine	Contact an authorized service
	damage or faulty valves.	workshop.
Engine is gutless or runs unevenly
• Air filter	Clogged air filter.	Clean or replace the air filter.

• Fuel system	Machine stored without observ-
	ing proper procedure from
	chapter “Storage/Winter storage”.

Clean tank, sludge reservoir and empty carburetor.

Fill the tank with proper fuel.

(Blue exhaust)	Tank filled with 2-cycle mixed oil.	Fill the tank with proper fuel.
(Voluminous blue-white	Tank filled with diesel.	Clean tank, sludge reservoir
exhaust)		and empty carburetor.
		Fill the tank with proper fuel.
(Black exhaust)	Choke left on.	Open choke valve.
	Clogged air filter.	Clean or replace the air filter.
	Carburetor problems	Contact an authorized service
		workshop.
• Ignition system	Wrong spark plug type.	Replace the spark plug.
	Buildup on electrodes.	Check electrode gap and clean or
	Short circuit.	replace spark plug.
	Faulty ignition unit.	Contact an authorized service
		workshop.
• Low compression	Serious interior engine damage	Contact an authorized service
(possible blue	or faulty valve.	workshop.
exhaust)

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Husqvarna SG13/968999353, SG13A, SG13 manual Troubleshooting, Symptom, Cause, Action

Contents

Operator’s Manual SG13A/CE/968999239SG13/968999353 MANUAL NO. 539109280 REV. 03 12/01/052005 Husqvarna All Rights Reserved Printed Beatrice, Nebraska Maintenance TABLE OF CONTENTS Stump Grinder SG13ASymbols and decals Safety instructionsInsure your machine Good serviceINTRODUCTION CongratulationsDecals and machine-bound instructions SYMBOLS AND DECALSIMPORTANT INFORMATION Decal Location of decalsTranslation of instructions Decal Important informationGeneral use SAFETY INSTRUCTIONSIMPORTANT INFORMATION Never leave the machine unsupervised with the engine running SAFETY INSTRUCTIONSIMPORTANT INFORMATION Use appropriate equipment PreparationsSAFETY INSTRUCTIONS Clear the work area before beginning workSAFETY INSTRUCTIONS OperatingSAFETY INSTRUCTIONS Movement/TransportStorage ChildrenSAFETY INSTRUCTIONS Fuel systemTurn off the engine and remove the spark plug cable MaintenanceSAFETY INSTRUCTIONS Personal equipment PROTECTIVE EQUIPMENTEquipment set-up SET-UPSET-UP 9. Remove air cleaner and double wire clamp from engine. FigureSET-UP 18. Reattach air cleaner to enginePresentation CONTROLSMain components and operating controls Throttle EngineCONTROLS Choke control StarterStarter handle Fuel valveOil drainage Spark plugMuffler Oil dipstickCentrifugal clutch Do not bind the bar to the handle It is there for your safetyFuel tank FuelingNEVER operate a machine with a defective brake On/Off Engine switch on the panelAdjustment bar for the handle BrakeFuel valve Engine switch on the engineOPERATION Starting the engineOPERATION Engine switch on the handleDead man’s grip bar Starter handleBrake Engine switchNormal shutdown Shutdown in emergency situationsOPERATION Before you start1. Place the cutting blade near the top front edge of the tree stump Using your stump grinderDISENGAGE 4. Set engine switch on handlebar to ON OPERATION5. Tilt the machine on its wheels, lifting the cutting OPERATIONIMPORTANT INFORMATION OPERATION 18. Shut off the machine when you are doneOperating on hills TransportThe machine is securely parked where it will not tip or begin rolling MAINTENANCEMaintenance schedule No service operations may be performed on the engine or unit unlessMAINTENANCE Cleaning the cyclone filterExercise care when reassembling to avoid damaging anything Make sure the air channel ends up in the proper positionIMPORTANT INFORMATION Replacing the air filterDO NOT wash the paper filter. DO NOT oil the paper filter MAINTENANCEMAINTENANCE Cleaning the sludge reservoirIdle adjustment Risk for carbon monoxide poisoning. Perform the adjustment outdoorsIMPORTANT INFORMATION Ignition systemFitting the wrong spark plug type can damage the engine MAINTENANCEMAINTENANCE Adjusting the drive beltMAINTENANCE Disassembling and reassembling the blade, pockets and teethL = Left mounting R = Right mounting Ensure that the tooth cutters are turned in the cutting directionMAINTENANCE Removing and refitting the wheelsMAINTENANCE Adjusting the brakeCleaning and washing Two minute rule8011-276chg LUBRICATIONIMPORTANT INFORMATION 1. Engine oilChecking the engine’s oil level LUBRICATION3. Throttle cable 2. Right wheelLUBRICATION Action TROUBLESHOOTINGSymptom CauseClutch is worn - replace shoes and springs, and/or clutch bearings ProblemPossible solutions TROUBLESHOOTINGSTORAGE ServiceWinter storage SG13A TECHNICAL DATASPECIFICATIONS ModelWIRING DIAGRAM Delivery service SERVICE JOURNALAction SERVICE JOURNALDate, stamp, signature