Cooling System; Air Filter - Husqvarna 531RS Manuel D'utilisation

CAUTION:
must be replaced if it is damaged. Do not
use a product if the spark arrester screen on
the muffler is missing or defective.
CAUTION:
is blocked, the product will be too hot. This
will cause damage to the cylinder and
piston.
1. Make sure that the muffler is not damaged.
2. Make sure that the muffler is correctly attached to
the product.
To adjust the idle speed
Your Husqvarna product is made to specifications that
decrease harmful emissions.
1. Make sure that the air filter is clean and the air filter
cover is attached before you adjust the idle speed.
2. Adjust the idle speed with the idle speed screw T
which is identified with "T" mark.
a) Turn the idle speed screw T clockwise until the
cutting attachment starts to rotate.
b) Turn the idle speed screw T counterclockwise
until the cutting attachment stops and the noise
from the clutch decreases.
WARNING:
attachment does not stop when you
adjust the idle speed, speak to your
servicing dealer. Do not use the product
until it is correctly adjusted or repaired.
3. The idle speed is correct when the engine operates
smoothly in all positions. The idle speed must be
below the speed when the cutting attachment starts
to rotate.
Note:
Technical data on page 24 for the
Refer to
recommended idle speed.
20
The spark arrester screen
If the spark arrester screen
If the cutting

Cooling system

The product has a cooling system to keep the work
temperature low.
The cooling system has:
B
E
• Fins on the flywheel (A)
• Cooling fins on the cylinder (B)
• Cylinder cover (C) (directs cold air over the cylinder)
• Muffler cover (D)
• Muffler plate (E)
To clean the cooling system
WARNING:
system causes overheating. It causes
damage to the piston and cylinder.
1. Clean the parts of the cooling system with a brush a
minimum of one time a week.

Air filter

• Clean the filter at intervals of 25 hours. Clean more
regularly if necessary.
• Set the choke control in the choke position.
To clean the air filter
Clean the filter at intervals of 25 hours. Clean more
regularly if it is necessary.
C
A
D
A dirty or blocked cooling
1274 - 005 - 28.05.2021