To Replace The Fuel Prefilter; To Clean And Replace The Air Filter - Husqvarna P 520DX Manual De Usuario

4. Turn the locknut (B) ½ a turn counterclockwise and
remove the filter housing.
5. Remove the paper filter.
A
B
6. Put a new paper filter in the filter housing.
7. Turn the locknut ½ a turn clockwise to attach the
filter housing.

To replace the fuel prefilter

You find the fuel prefilter below the battery housing on
the left side of the product.
WARNING:
prevent skin irritation. Fuel can come from
the fuel filter and onto your skin.
1. Remove the screw to the clamp that holds the fuel
prefilter in position.
2. Pull the fuel filter out from the clamp.
3. Loosen the screws to the hose clips.
4. Move the hose clips away from the fuel prefilter with
a pair of flat pliers.
5. Pull off the fuel prefilter from the hose ends. There is
a risk of a small fuel leak.
6. Make sure that the new fuel prefilter is in the correct
direction for the fuel flow. Push the new fuel prefilter
into the ends of the hoses. Apply liquid detergent to
the ends of the fuel prefilter to make the connection
easier.
1593 - 002 - 22.12.2020
Use protective gloves to
7. Push the hose clips against the fuel prefilter.
8. Tighten the screws to the hose clips and install the
fuel prefilter in the clamp.

To clean and replace the air filter

CAUTION:
when the air filter is removed.
1. Open the engine cover.
2. Loosen the 2 latches that hold the air filter cover.
3. Remove 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. Replace the air filter if it cannot be fully
cleaned or if it is damaged.
Do not start the engine
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