12
English / USA
FS 500, FS 550
!Warning!
Keep hands and feet
away from cutting tool.
Never touch a rotating
cutting tool with your hand
or any part of your body. It
continues to rotate for a
short period after the throttle trigger is
released (flywheel effect).
Important adjustments
!Warning!
To reduce the risk of personal injury from
loss of control or contact with the
running cutting tool, do not use a cutting
tool with incorrect idle adjustment. At
correct idle speed, the cutting tool
should not move. For directions on how
to adjust idle speed, see the appropriate
section of your owner's manual.
If you cannot set the correct idle speed,
have your STIHL dealer check your
clearing saw and make proper
adjustments and repairs.
MAINTENANCE, REPAIR AND
STORING
Maintenance, replacement, or repair
of the emission control devices and
systems may be performed by any
nonroad engine repair establishment
or individual. However if you claim
warranty coverage for a component
which has not been serviced or
maintained properly or if
nonapproved replacement parts were
used, STIHL may deny warranty.
!Warning!
Use only identical STIHL replacement
parts for maintenance and repair. Use of
non-STIHL parts may cause serious or
fatal injury.
Follow the maintenance and repair
instructions in the appropriate section of
your owner's manual. Please refer to the
maintenance chart on the last pages of
this manual.
!Warning!
Always stop the engine and make sure
that the cutting tool is stopped before
doing any maintenance or repair work or
cleaning the clearing saw. Do not
attempt any maintenance or repair work
not described in your owner's manual.
Have such work performed at your
STIHL service shop only.
Wear gloves when handling or doing
maintenance on blade.
!Warning!
Never repair damaged cutting attach-
ments by welding, straightening or
modifying the shape. This may cause
parts of the cutting tool to come off and
result in serious or fatal injuries.
!Warning!
To reduce the risk of fire and burn
injuries, check fuel filler cap for leaks at
regular intervals. Use the specified
spark plug and make sure it and the
ignition lead are always clean and in
good condition. Always press spark plug
boot snugly onto spark plug boot of the
proper size. (Note: If boot has
detachable SAE adapter nut, it must be
attached.) A loose connection between
spark plug boot and ignition wire
connector in the boot may create arcing
that could ignite combustible fumes and
cause a fire.
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