Air Fi Lter; Fuel System - Husqvarna R135 Workshop Manual

3
In addition to the fuel tank and carburettor, the fuel system consists of the air fi lter, fuel fi lter and tank ven-
ting.
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 eff ect
on the running and effi ciency of the engine.
The carburettor can come from several diff erent manufacturers on our models, but the function and repair
methods are essentially the same.
18

Fuel system

333/335 336
333/335 336
Impregnate the fi lter with air fi lter oil.
531 00 60-76

Air fi lter

Remove the air fi lter cover and lift off the
air fi lter.
The fi lter is manufactured of foamed
plastic and should be cleaned in tepid
soapy water.
A damaged fi lter should be replaced
with a new fi lter.
!
WARNING!
336
Do not clean not the fi lter
with petrol. Hazardous!
NOTE!
Do not blow the fi lter clean with
compressed air. It can be damaged.
Ensure that the fi lter is dry before
refi tting it.
TIP!
Use Husqvarna's cleaning agent Active
Cleaning no. 505 69 85-70.
505 69 85-70
Impregnate the fi lter with air fi lter oil.
TIP!
Place the fi lter in a plastic bag and pour
about a tablespoon of air fi lter oil no.
531 00 60-76 into the bag.
Massage the oil into the air fi lter.