Air Fi Lter; Tank Venting - Husqvarna 545RX Workshop Manual

3

In addition to the fuel tank and carburettor, the fuel system consists of the air fi lter, fuel fi lter and

All these components interact so that the engine receives the optimal mixture of fuel and air to

make it as effi cient as possible. Very small deviations in the carburettor setting or a blocked air

fi lter have a large effect on the running and effi ciency of the engine.

The carburettor can come from several different manufacturers on our models, but the function

and repair methods are essentially the same.

16

Fuel system

Air fi lter

Remove the air fi lter cover and lift off the

air fi lter.

Clean the air fi lter or replace it with a new

one.

505 69 85-70

!

WARNING!

Do not clean not the fi lter with petrol. Hazardous!

Tank venting

Slide the fuel tank so far forward that the

fuel hose can be removed.

Air fi lter

Dismantle the cover (A) and remove the

air fi lter (B).

The fi lter is available in two versions, a

paper fi lter and a nylon weave fi lter.

The nylon fi lter comes in two models. The

standard fi lter has a mesh size of 44μ.

There is also a 80μ unit available.

NOTE!

A heavily soiled paper fi lter must be

replaced with a new one.

Paper fi lters are cleaned using com-

pressed air. Clean the nylon fi lter in tepid

soapy water or use cleaning agent 505

69 85-70 Active Cleaner. If the fi lter fabric

is damaged the entire fi lter should be

changed.

Tank venting

Slide the fuel tank so far forward that the

fuel hose (A) becomes accessible.

Slide the O-ring backward and remove the

hose from the nipple.

See also the "Centrifugal clutch" chapter if

required.