Husqvarna PG 400 Petrol Operator's Manual page 14

b) If the oil level is high (C), do not fill with more
engine oil. The oil level must be between (A) and
(B).
7. Tighten the oil tank cap correctly before you start the
engine.
Note: The product has a system that tells you when the
oil level is to low. If the buzzer sounds, stop the product
and add oil.
To replace engine oil
If the engine is cold, start the engine for 1–2 minutes
before you drain the engine oil. This makes the engine
oil warm and easier to drain.
WARNING: Engine oil is very hot directly
after the engine stops. Let the engine
become cool before you drain the engine oil.
If you spill engine oil on your skin, clean with
soap and water.
1. Put the product on level ground.
2. Put a container below the oil drain plug.
3. Remove the oil tank cap, the oil drain plug and the
washer.
Note: Discard the washer.
4. Tilt the product and let the oil run out into the
container.
5. Put the engine in level position and fill the oil tank
with recommended oil. Refer to
oil level on page 13 and Technical data on page 17 .
6. Install a new washer, the oil drain plug and tighten
the oil tank cap.
To examine the air filter
CAUTION: Do not use a product without an
air filter or with a damaged air filter.
14
To do a check of the
1. Remove the wing nut from the air filter cover, and
remove the air filter cover.
2. Remove the air filter.
3. Remove the foam filter from the paper filter.
4. Examine the foam filter and the paper filter.
5. Replace damaged filters.
6. Replace the air filter as scheduled. Refer to
Maintenance schedule on page 13 .
7. Clean the foam filter and the paper filter if they are
To clean the air filter on page 15 .
dirty. Refer to
8. Replace the air filter in the opposite sequence.
883 - 001 - 07.11.2019