Fuel Safety - Husqvarna 522HS75S Manual Del Usuario

3. Make sure that the throttle trigger is locked at the
idle position when the throttle trigger lockout is
released.
4. Start the product and apply full throttle.
5. Release the throttle trigger and make sure that the
blades stop and stay stationary.
WARNING: If the blades move when the
throttle trigger is in the idle position, then
the carburetor idle speed must be
adjusted. Refer to
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: The stop switch 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 muffler
WARNING: Do not operate the product
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
arrester screen. The spark arrester screen
must be replaced if it is damaged.
WARNING: The mufflers become very hot
during and after operation, also at idle
speed.
6
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
4. Clean the spark arrester screen with a wire brush.
To adjust the idle
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
5. Make sure that the screws to the blades and blade

Fuel safety

CAUTION: If the spark arrester screen 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: The inner surfaces of the muffler
contain chemicals that can cause cancer. Be
careful not to touch these elements if the
muffler is damaged.
the product.
damaged or bent. Always replace a damaged or
bent blade, or a damaged blade guard.
guard are tight.
WARNING: Read the warning instructions
that follow before you use the product.
906 - 002 - 19.03.2019