Husqvarna P 524X Operator's Manual page 30

2. Loosen the 2 knobs that hold the air filter cover.
3. Remove the the air filter cover.
4. Remove the air filter cartridge from the filter housing.
5. Clean the inner surface of the air filter housing with a
dry cloth.
6. Hit the air filter cartridge carefully against a hard
surface and blow with compressed air on the inner
surface. Replace the air filter if it does not become
clean or if it is damaged.
7. Remove the inner air filter behind the air filter
cartridge.
8. Hit the inner air filter against a hard surface to clean
it. Replace the air filter if it does not become clean or
if it is damaged.
CAUTION:
air to clean the inner air filter.
9. Put the inner air filter and the air filter cartridge in
their initial positions in the filter housing. Make sure
that the air filter cartridge is correctly attached on top
of the air intake.
30
Do not use compressed
10. Attach the air filter cover and make sure that the
particle collector points down.
To examine and replace a spark plug
1. Open the engine cover.
2. Remove the spark plug cap 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 54 .
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:
tightened correctly can cause damage to
the engine.
10. Attach the spark plug cap.
CAUTION:
engine if the spark plug or ignition cable
is removed.
Spark plugs that are not
Do not try to start the
1902 - 003 - 09.02.2023