Fuel System - Husqvarna K770 Workshop Manual

rubber seal on the air duct cover is not damaged and
that it is correctly attached in the cylinder cover.
The task of the service filter is to stop dirt from entering
the engine. The service filter must only be replaced
when damaged.
The paper filter must not be cleaned. It must be replaced
when necessary. The material to be cut and if the cutting
is wet or dry controls how frequent. Replace the filter
when the power of the machine starts to decrease.
Note: Be careful when the filter is removed so no dust
particles fall down in the carburetor inlet. Removal of
waste is best done with a vacuum cleaner.
Note: Make sure the inlet pipes are not damaged and
that it has a tight seal to the filter and the carburetor.
Dust in the inlet pipes is a sign of dangerous faults in the
filter system. They must be repaired before operating
this product.
651 - 001 - 27.06.2018

6.5 Fuel system

6.5.1 To remove the fuel filter
To remove the fuel filter, use Husqvarna hose catcher.
Servicing tools overview on page 11 .
Refer to
1. Remove the fuel tank cap.
2. Catch the fuel hose with Husqvarna hose catcher.
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3. Pull out the fuel filter.
4. Move back the metal weight and pull off the hose.
6.5.2 To examine the fuel filter
1. Examine the filter, make sure it is not damaged.
2. If the filter is very dirty, it can be because of dirty
fuel. If necessary, drain the fuel and filter it before
using it in the product.
Note: Dirty filters must not be cleaned but replaced with
a new one.
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