Husqvarna P 520DX Operator's Manual page 42

2. Look at the blades to see if they are damaged and if
it is necessary to sharpen them.
3. Tighten the blade bolts with the correct tightening
Technical data on page 56 .
torque. Refer to
To replace the blades
1. Put the cutting deck in servicing position.
2. Lock the blade with a wooden block (A).
C
3. Loosen and remove the blade bolt (B), the washers
(C) and the blade (D).
4. Install the new blade with the pointed ends in the
direction of the cutting deck.
WARNING:
can cause objects to eject from the
cutting deck and cause serious injury.
Use only the blades given in
data on page 56 .
5. Install the washer and the bolt to attach the blade.
Tighten the bolt with the correct torque. Refer to
Technical data on page 56 .
To do a check of the engine oil level
1. Park the product on level ground and stop the
engine.
2. Open the engine cover.
3. Loosen the dipstick and pull it out.
4. Clean the oil from the dipstick.
5. Put the dipstick in the dipstick opening.
6. Pull the dipstick out and read the oil level.
42
B
D
A
Incorrect blade type
Technical
7. The oil level must be between the marks on the
dipstick.
8. If the oil level is low, fill with engine oil and do a
check of the oil level again.
Note:
Technical data on page 56 of engine
See
oil recommended. Do not mix different types of oil.
9. Tighten the dipstick correctly before you start the
engine. Start and idle the engine for approximately
30 seconds. Stop the engine. Wait 30 seconds and
do a check of the oil level again.
To change the engine oil and the oil
filter
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:
for more than 1–2 minutes before you drain
the engine oil. The engine oil becomes very
hot and can cause burn injuries. Let the
engine become cool down before you drain
the engine oil.
WARNING:
your body, clean with soap and water.
1. Put a container below the oil drain plug on the left
side of the engine.
2. Remove the oil drain plug.
3. Remove the dipstick.
4. Drain the oil into the container.
5. Put a new gasket on the oil drain plug. Attach the oil
drain plug and tighten it.
Do not operate the engine
If you spill engine oil on
1593 - 002 - 22.12.2020