Husqvarna 522HS75X Operator's Manual page 6

WARNING:
when the throttle trigger is in the idle
position, then the carburetor idle speed
must be adjusted. Refer to
idle speed on page 10 .
To do a check of the stop switch
1. Start the engine.
2. Push the stop switch to the stop position and make
sure that the engine stops.
WARNING:
automatically goes back to start position. To
prevent accidental start, remove the spark
plug cap from the spark plug when you
assemble or do maintenance on the product.
To do a check of the hand guard
The hand guard prevents injuries from the blades.
1. Stop the engine.
2. Make sure that the hand guard is attached correctly.
3. Examine the hand guard for damages.
To do a check of the vibration damping system
The vibration damping system decreases vibration in
the handles. Vibration damping units operate as a
separation between the product body and the handle
unit.
1. Do a visual check for deformation and damage.
2. Make sure that the vibration damping units are
correctly attached.
To do a check of the muffler
WARNING:
without a muffler or a defective muffler. A
defective muffler can increase the noise
level and the risk of fire. Do not use the
product without, or with a broken, spark
6
If the blades move
To adjust the
The stop switch
Do not operate the product
arrester screen. The spark arrester screen
must be replaced if it is damaged.
WARNING:
hot during and after operation, also at idle
speed.
CAUTION:
is frequently blocked it can be a sign that
performance of the catalytic converter is
decreased. Turn to your servicing dealer
to examine the muffler. A blocked spark
arrester screen will cause overheating and
result in damage to the cylinder and piston.
WARNING:
muffler contain chemicals that can cause
cancer. Be careful not to touch these
elements if the muffler is damaged.
The muffler keeps the noise levels to a minimum and
points the exhaust fumes away from the operator.
A muffler with a catalytic converter decrease harmful
exhaust gases.
1. Stop the engine.
2. Do a visual check for damage and deformation.
3. Make sure that the muffler is correctly attached to
the product.
4. Clean the spark arrester screen with a wire brush.
To do a check of the blades and blade guard
The outer part of the blades has the function of a blade
guard. The blade guard prevents cut injuries.
1. Stop the engine and make sure that the blades stop.
2. Remove the spark plug cap from the spark plug.
3. Put on protective gloves.
4. Make sure that the blade and blade guard is not
damaged or bent. Always replace a damaged or
bent blade, or a damaged blade guard.
The mufflers become very
If the spark arrester screen
The inner surfaces of the
905 - 002 - 01.07.2022