8.1 Air ﬁlter
A heavily used air ﬁlter can never be completely clean. Therefore
the ﬁlter should be regularly replaced. Always replace a
Oil the ﬁlter. Always use Husqvarna ﬁlter oil, part number
531 00 60-76. The ﬁlter oil contains a solvent to spread it evenly
in the ﬁlter. Avoid skin contact. Put the ﬁlter into a plastic bag
and pour the oil on. Knead the bag to spread the oil. Squeeze
the ﬁlter out in the bag and pour off the excess oil before
mounting the ﬁlter in the machine. Never use ordinary motor oil.
It will sink through the ﬁlter quickly and lie on the bottom.
8.2 Fuel handling
The following precautions reduce the risk
Do not smoke and do not place any hot objects
Do not ﬁll up the tank with the motor running.
Let the motor cool before ﬁlling.
If the machine is not used for a long period of time the fuel tank
should be emptied and cleaned. Ask your local petrol station
where excess fuel can be drained.
8.3 Cleaning the drain hose
Remove the hose between the exhaust system and the
resonance tube. Clean the nipple on the hose using a drill bit.
Clean the drain hose. Empty any condensate from the