Husqvarna R 318X AWD Operator's Manual page 21

5. Push the hose clips against the fuel filter.
To clean and change the air filter
1. Open the engine cover.
2. Loosen the knobs that hold the filter cover and lift off
the cover.
3. Lift the end of the air filter to remove it.
4. Hit the paper filter against a hard surface to clean it.
Do not use compressed air.
5. If the paper filter does not become clean, replace it.
6. Put the air filter back on the air hose.
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7. Push the air filter into correct position.
8. Attach the air filter cover and tighten the knobs.
To examine and replace a spark plug
1. Open the engine cover.
2. Remove the ignition cable shoe and clean around
the spark plug.
3. Remove the spark plug with a spark plug wrench.
4. Examine the spark plug. Replace it if the electrodes
are burned or if the insulation has cracks or
damages. If the spark plug is not damaged, clean it
with a steel brush.
5. Measure the electrode gap and make sure that it is
Technical data on page 33 .
correct. Refer to
6. Bend the side electrode to adjust the electrode gap.
7. Put the spark plug back in and turn it by hand until it
touches the spark plug seat.
8. Tighten the spark plug with the spark plug wrench
until the washer is compressed.
9. Tighten a used spark plug ⅛ of a turn more, and a
new spark plug ¼ turn more.
CAUTION: Spark plugs that are not
tightened correctly can cause damage to
the engine.
10. Replace the ignition cable shoe.
CAUTION: Do not try to start the engine
if the spark plug or ignition cable is
removed.
To replace the main fuse
A blown fuse is identified by a burned connector.
1. Open the engine cover. The main fuse is in a holder
in between the battery and the engine.
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