© STIHL Inc., Virginia Beach, VA 2013 US/STR
confidential
5. Operator Controls
When the chain
brake handle is
actuated back
and forth, there
should be an
audible “click”
In the forward
position the
sprocket must
not turn
In the back
position the
sprocket must
spin easily
© STIHL Inc., Virginia Beach, VA 2013 US/STR
confidential
6. Verify Anti-vibration Components
Most STIHL chain saws and line
trimmers have an anti-vibration
system that should be inspected for
wear and damage
Some models do not have any anti-
vibration components so this step
would not apply