3. Release the throttle trigger lockout and make sure
that the throttle trigger is locked at idle speed
position.
4. Start the engine and apply full throttle.
5. Release the throttle trigger and make sure that the
blades stop fully.
WARNING: If the blades move when the
throttle trigger is in the idle speed
position, adjust the idle speed. Refer to
To adjust the idle speed on page 11
.
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 vibration damping system
The vibration damping system decreases vibration in the
handles. The 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: 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.
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 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.
6
1137 - 001 - 24.05.2019
Summary of Contents for CHT220L
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