To Clean The Air Filter; To Examine The Spark Plug; Air Filter; Two Piece-Shaft - Husqvarna 525P4S Manual De Usuario

2. Fins on the flywheel.
3. Cooling fins on the cylinder.
4. Cylinder cover.
5. Muffler cover.
6. Muffler plate.
3
1

To examine the spark plug

CAUTION:
recommended spark plug type, refer to
Technical data on page 25 . Incorrect spark
plug type can cause damage to the product.
• Examine the spark plug if the engine is low on
power, is not easy to start or does not operate
correctly at idle speed.
• To decrease the risk of unwanted material on the
spark plug electrodes, obey these instructions:
a) Make sure that the idle speed is correctly
adjusted.
b) Make sure that the fuel mixture is correct.
c) Make sure that the air filter is clean.
• If the spark plug is dirty, clean it and make sure that
the electrode gap is correct, refer to
on page 25 .
• Replace the spark plug if it is necessary.

Air filter

Remove dust and dirt from the air filter to keep it clean
and prevent these problems:
• Carburetor malfunctions.
18
4
2
6
5
Always use the
Technical data
• Problems when you start the product.
• Loss of engine power.
• Increased wear to engine parts.
• Too much fuel consumption.

To clean the air filter

CAUTION:
very dirty, or soaked with fuel must always
be replaced.
Clean the air filter from dirt and dust regularly. This
prevents carburetor malfunctions, starting problems,
loss of engine power, wear to engine parts and more
fuel consumption than usual.
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
Maintenance schedule on page 16 .
intervals. Refer to
1. Move the choke lever up to close the choke valve.
2. Remove the air filter cover and the air filters.
3. Clean the air filters with warm soap water.
4. Replace the air filters if they cannot be fully cleaned.
Always replace a damaged air filter.
5. Clean the inner surface of the air filter cover. Use
compressed air or a brush.
6. Do a check of the rubber seal on the air filter.
Replace the air filter if the rubber seal is damaged.
7. Make sure that the air filter is dry before you install it.

Two piece-shaft

Apply grease to the end of the drive shaft after each 30
hours of operation. There is a risk that the drive shaft
An air filter that is damaged,
703 - 008 - 02.11.2022