Husqvarna 5021 R, 5021 E manual Maintenance, How To Replace The Spark Plug

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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