Husqvarna 968999239, SG13A / CE manual Troubleshooting, Symptom Cause Action

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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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Contents Manual no REV 03/08/04 Operator’s Manual Model 968999239Husqvarna All Rights Reserved Printed Beatrice, Nebraska Table of Contents Introduction Decals and machine-bound instructions Symbols and DecalsDecal Important information Location of decals Translation of instructionsDecal General use Safety InstructionsSafety Instructions Preparations Operating Storage Movement/TransportChildren Fuel system Maintenance Personal equipment Protective EquipmentEquipment set-up SET-UPHair PIN Engine Presentation ControlsMain components and operating controls Throttle Engine12 11 Choke control StarterStarter handle Fuel valveOil drainage Spark plugMuffler Oil dipstickDead man’s grip bar Fuel tankFueling Centrifugal clutchNever operate a machine with a defective brake On/Off Engine switch on the panelAdjustment bar for the handle BrakeStarting the engine OperationDead man’s grip bar Engine switch on the handleStarter handle Brake Engine switchNormal shutdown Shutdown in emergency situationsBefore you start Using your stump grinder 8011-202chg Operating on hills Shut off the machine when you are doneTransport Maintenance schedule MaintenanceCleaning the cyclone filter Replacing the air filter Idle adjustment Cleaning the sludge reservoirFitting the wrong spark plug type can damage the engine Ignition systemAdjusting the drive belt Disassembling and reassembling the blade, pockets and teeth Removing and refitting the wheels Cleaning and washing Adjusting the brakeTwo minute rule Blade shaft bearings LubricationChecking the engine’s oil level Engine oilThrottle cable Right wheelSymptom Cause Action TroubleshootingProblem Possible solutions Storage ServiceWinter storage Model Technical DataWiring Diagram Delivery service Service JournalService Journal