Husqvarna 131RB Operator's Manual page 6

the idle position, examine the idle adjustment screw of
the carburetor.
Stop switch
Start the engine. Make sure that the engine stops when
you move the stop switch to the stop position.
Cutting attachment guard
The cutting attachment guard prevents a loose object to
eject in the direction of the operator. Examine the cutting
attachment guard for damage and replace if it is
damaged. Only use the approved guard for the cutting
attachment.
Vibration damping system
WARNING: Overexposure to vibration can
lead to circulatory damage or nerve damage
in people who have impaired circulation.
Contact your doctor if you experience
symptoms of overexposure to vibration.
Such symptoms include numbness, loss of
feeling, tingling, pricking, pain, loss of
strength, changes in skin color or condition.
These symptoms normally appear in the
fingers, hands, shoulder or wrists. These
symptoms may be increased in cold
temperatures.
• Your product has a vibration damping system to
reduce vibration and make operation easier.
• Incorrect wound trimmer line or blunt or incorrect
cutting attachment increases the level of vibration.
6
Muffler
The muffler keeps the noise level to a minimum and
keeps exhaust fumes away from the operator.
• Do not use an engine with a damaged muffler. A
damaged muffler increases the noise level and the
risk of fire. Keep a fire extinguisher near.
• Examine regularly that the muffler is attached to the
product.
• Do not touch the engine or the muffler when then
engine is on. Do not touch the engine or the muffler
for a while after the engine stops. Hot surfaces can
cause injuries.
• A hot muffler can cause a fire. Be careful, if you use
the product near flammable liquids or fumes.
• Do not touch the parts in the muffler, if the muffler is
damaged. The parts can contain some carcinogenic
chemicals.
To attach and remove the locknut
WARNING: Stop the engine, use protective
gloves and be careful around the sharp
edges of the cutting attachment.
A locknut is used to attach some types of cutting
attachments. The locknut has a left thread.
537 - 005 - 23.05.2018