Husqvarna 531RS, Operator'S Manual

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If you use an air filter for a long time, it cannot be fully
cleaned. Replace the air filter with a new one at regular
intervals.
1. Close the choke valve.
2. Remove the air filter cover.
3. Remove the air filter.
4. Clean the air filter with warm soap water.
5. Replace the air filter if it is too dirty to fully clean it.
Always replace a damaged air filter.
6. Clean the inner surface of the air filter cover. Use air
or a brush.
7. Make sure that the air filter is dry.
8. Use Husqvarna two-stroke oil to put oil on the air
filter. If there is too much oil on the air filter, remove
the unwanted oil before you install the air filter.
To apply oil to the foam air filter
CAUTION: Always use Husqvarna special
air filter oil. Do not use other types of oil.
WARNING: Put on protective gloves. The air
filter oil can cause skin irritation.
1. Put the foam air filter in a plastic bag.
2. Put the oil in the plastic bag.
3. Rub the plastic bag to supply the oil equally across
the foam air filter.
4. Push the unwanted oil out of the foam air filter while
in the plastic bag.
Felt filter
• Hit the felt filter carefully against your hand or use
compressed air to clean the felt filter.
CAUTION: Do not use water to clean the
felt filter. Water can cause damage to
the felt filter.
Fuel filter
When the engine runs short of fuel supply, make sure
that the fuel tank cap and the fuel filter (A) is not
blocked.
A
To add grease to the bevel gear
• Make sure that the bevel gear is filled 3/4 full with
bevel gear grease.
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