MAINTENANCE

Checking of the fuel pump’s air filter

Check regularly that the fuel pump’s air filter is free from dirt.

The filter can when necessary be cleaned with a brush.

Check the level of the battery acid

Check that the level of the battery acid lies between the markings. Top up the cells with only distilled water.

WARNING!

Procedures on contact with acid

External: Rinse well with plenty of water.

Internal: Drink large quantities of water or milk. Contact a doctor as soon as possible.

Eyes: Rinse well with plenty of water. Contact a doctor as soon as possible.

Batteries emit explosive gas. Sparks, flames and cigarettes must absolutely not be brought into the vicinity of the battery.

8009-108

6008-013

Ignition system

The engine is equipped with an electronic ignition system. Only the spark plug requires maintenance.

For recommended spark plug, see chapter ”Technical data”.

IMPORTANT INFORMATION

Fitting the wrong spark plug type can damage the engine.

1.Remove the ignition cable shoe and clean around the spark plug.

2.Remove the spark plug with a 13/16" (21 mm) spark plug socket wrench.

3.Check the spark plug. Replace the spark plug if the electrodes are burned or if the insulation is cracked or damaged. Clean the spark plug with a steel brush if it is to be reused.

4.Measure the electrode gap with a gapping tool. The gap should be 0.75 mm. Adjust as necessary by bending the side electrode.

5.Reinsert the spark plug, turning by hand to avoid damaging the threads.

IMPORTANT INFORMATION

Inadequately tightened spark plugs can cause overheating and damage the engine. Tightening the spark plug too much can damage the threads in the cylinder head.

6.After the spark plug is seated, tighten it using a spark plug wrench so that the washer is compressed. A used spark plug should be turned 1/8–1/4 of a turn from the seated position. A new spark plug should be turned 1/2 a turn from the seated position.

7.Replace the ignition cable shoe.

28 – English

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Husqvarna 11, 13, 11 Bio, 13 Bio manual Checking of the fuel pump’s air filter, Check the level of the battery acid

13, 11, 13, 11 Bio, 13 Bio specifications

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