Husqvarna P 520DX Operator's Manual page 34

Fuel system overview
1. Diesel fuel tank
2. Electric fuel gauge
3. Prefilter
4. Fuel filter
5. Fuel return hose
6. Fuel hose
To replace the fuel filters
To replace the paper filter in the main filter
1. Open the engine cover. Refer to
cover on page 30 .
2. Remove the air filter. Refer to
the air filter on page 35 .
3. Close the fuel valve (A).
4. Turn the locknut (B) ½ a turn counterclockwise and
remove the filter housing.
34
To open the engine
To clean and replace
5
2
1
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.
4
6
3
Use protective gloves to
1593 - 002 - 22.12.2020