Air Filter; To Clean The Air Filter; To Apply Oil To The Air Filter; To Lubricate The Gear Housing - Husqvarna 525HF3S Manual Del Usuario

• If the spark plug is dirty, clean it and make sure that
the electrode gap is correct, refer to
on page 16 .
• Replace the spark plug if it is necessary.

Air filter

Remove dust and dirt from the air filter to keep it clean in
order to prevent:
• Carburettor malfunctions.
• Starting problems.
• Loss of engine power.
• Unnecessary wear to engine parts.
• Too much fuel consumption.
Clean the air filter at an interval of 25 hours, or more
regularly if conditions are unusually dusty.

To clean the air filter

CAUTION: A air filter that is damaged, very
dirty or soaked with fuel must always be
replaced.
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. Move the choke lever up, to close the choke valve.
14
2. Remove the air filter cover and remove the air filter.
Technical data
3. Clean the air filter with warm soap water.
4. Replace the air filter if it is too dirty to fully clean it.
5. Also clean the inner surface of the filter cover. Use
6. Do a check of the rubber sealing surface. Replace
7. Make sure that the filter is dry before you assemble

To apply oil to the air filter

1. Put the 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
4. Push the unwanted oil out of the air filter while in the

To lubricate the gear housing

Always replace a damaged air filter.
air or a brush.
the filter on the rubber seal if it is damaged.
it.
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.
the air filter.
plastic bag.
WARNING: Do not touch the gear housing
immediately after operation of the product.
The gear housing is hot and can cause
injury.
1118 - 001 - 05.09.2019