Husqvarna 5021 R manual HOW to Replace the Spark Plug, HOW to Prepare the Snowthrower for Storage

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MAINTENANCE

HOW TO REPLACE THE SPARK PLUG

NOTE: This spark plug ignition system meets all requirements of the Canadian Intereference- Causing Equipment Regulations (ICES-002).

NOTE: This engine complies with all current Australian and New Zealand limitations electro- magnetic interconference.

The spark plug is housed in the engine compart- ment under the top cover and cannot be seen under normal conditions.

1.(Figure 13) Open the spark plug access door (1) on the control panel.

2.The spark plug and wire are now visible.

3.Remove the spark plug wire.

4.Clean the area around the spark plug base to prevent dirt from entering the engine when the spark plug is removed.

5.Remove the spark plug.

1

Figure 13

6.Check the spark plug. If the spark plug is cracked, fouled, or dirty, it must be replaced.

7.(Figure 14) Set the gap between the elec- trodes of the new spark plug at .030 inch. Next, install the spark plug in the cylinder head and firmly tighten. Recommended torque is 18 to 20 ft-lbs.

Figure 14

HOW TO PREPARE THE SNOWTHROWER FOR STORAGE

WARNING: Before you make an inspec- tion, adjustment (except carburetor), or

repair, disconnect the wire from the spark plug.

1.Drain the fuel tank.

2.Let the engine run until it is out of gasoline or petrol.

3.Remove the spark plug from the cylinder.

a.Pour one ounce of oil into the cylinder.

b.Slow pull the recoil-start grip so that the oil will protect the cylinder.

c.Install a new spark plug in the cylinder.

4.Thorougly clean the snow thrower.

5.Lubricate all lubrication points. See the Mainten- ance section.

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Contents Operator’s Manual Introduction Responsibility of the OwnerHazard Symbols and the meanings Rules for Safe OperationTraining Children Table of Contents Safety Decals Decals OWNER’S Information Warranty Statement Limited WarrantyItems not Covered by this Warranty Assembly Parts BAG ContentsTools Required for Assembly HOW to Remove the Snowthrower from the CartonADD OIL to the Engine ADD Fuel to the EngineBefore YOU Operate Know Your SnowthrowerControl and Equipment Features Figure OperationHOW to Control Discharge Snow HOW to Throw SnowHOW to Stop Discharging Snow HOW to Move ForwardHOW to Stop the Engine HOW to Start the EngineHOW to Start a Cold Engine Before Starting the EngineHOW to Start a Warm Engine HOW to Start a Warm Engine with a Frozen StarterHOW Clear a Clogged Discharge Chute Dry and Average Snow Maintenance Engine Power Rating InformationCustomer Responsibilities Emissions ControlHOW to Remove the TOP Cover Lubrication Before StorageHOW to Adjust the Auger Control Cable HOW to Remove the Belt CoverHOW to Replace the Drive Belt HOW to Replace the Auger HOW to Adjust the Brake PADHOW to Replace the Spark Plug HOW to Prepare the Snowthrower for StorageHOW to Order Replacement Parts Troubleshooting Chart Trouble Cause CorrectionEngine And Frame Assembly 0003REF no Description Engine And Frame Assembly SPACER, Drive Pulley Auger And Control Assembly 0005COVER, TOP Discharge Chute 0007Chute Ring Handle Assembly 0011HANDLE, Upper Chute Rod Assembly 0009ROD, Chute Decals 0015DECAL, Warning HOT Muffler Wheels 0013RING, Retainer E