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5 IMPORTANT SAFETY INSTRUCTIONS
■ If the chain saw or battery is damaged, not
working properly, has been left outdoors and
exposed to rain or damp conditions, or drop‐
ped into water or other liquid, its components
may no longer function properly and safety
devices may be inoperative. To reduce the risk
of personal injury and property damage:
► Take the chain saw and battery to your
authorized STIHL servicing dealer to be
checked before further operation.
■ Genuine STIHL replacement parts are specifi‐
cally designed to match your chain saw and
meet safety and performance requirements.
Use of parts that are not authorized or
approved by STIHL may cause serious or fatal
injury or property damage.
► STIHL recommends that only identical
STIHL replacement parts be used.
5.5
Using the Chain Saw
5.5.1
Before Operation
WARNING
■ Misuse or unauthorized use may result in per‐
sonal injury and property damage.
► Use the chain saw only as described in this
instruction manual.
■ For proper assembly of the bar and chain:
► Read and follow the instructions on mount‐
ing the guide bar and chain,
■ The chain, guide bar and sprocket must match
each other in gauge and pitch. Before mount‐
ing or replacing:
► Read the information on guide bar and
chain combinations,
► Read and follow the instructions on kick‐
back and other reactive forces,
► Select the shortest bar that will meet your
cutting needs. Longer bars add weight and
may be more difficult to control.
■ Proper tension of the chain is extremely impor‐
tant to maximize cutting performance and
reduce the risk of personal injury from chain
breakage, derailment or reactive forces:
► Never cut with a loose chain. If the chain
becomes loose while cutting, switch off the
motor, engage the chain brake and remove
the battery from the chain saw before tight‐
ening the chain. Never attempt to adjust the
chain while the battery is inserted.
► Read and follow the chain tensioning
instructions,
14.3.
► Always make sure the chain sprocket cover
is tightened securely after tensioning the
chain in order to secure the bar. Never start
0458-022-8201-A
14.2.1.
27.
6.
the chain saw with the chain sprocket cover
loose or missing.
► Check chain tension once more after tight‐
ening the chain sprocket cover.
► Check chain tension periodically thereafter
at regular intervals (only after engaging the
chain brake and removing the battery).
■ Using a chain saw that is modified, damaged,
improperly adjusted or maintained, or not com‐
pletely and securely assembled can lead to a
malfunction and increase the risk of serious
personal injury or death.
► Never operate a chain saw that is modified,
damaged, improperly maintained or not
completely and securely assembled.
► Always check your chain saw for proper
condition and operation before starting
work, particularly the trigger switch, ergo-
lever, trigger switch lockout, front hand
guard, chain brake and cutting attachment.
► Ensure that the trigger switch, ergo-lever
and trigger switch lockout move freely and
always spring back to the locked position
when released. The trigger switch must not
engage until the trigger switch lockout is
depressed.
► Never attempt to modify or override the
controls or safety devices in any way.
► If your saw or any part is damaged or does
not function properly, take it to your author‐
ized STIHL servicing dealer. Do not use the
saw until the problem has been corrected.
■ Before inserting the battery:
► Check the contacts in the battery compart‐
ment for corrosion or other foreign matter
and keep clean.
► Never insert or use a malfunctioning, dam‐
aged, cracked, leaking or deformed battery.
► Read and follow the instructions on switch‐
ing on the chain saw,
■ To help reduce the risk of serious personal
injury or death from unintentional starting:
► Be sure the trigger switch and trigger switch
lockout are in the off position when inserting
the battery.
► Avoid contacting the trigger switch lockout
and trigger switch when grasping the con‐
trol handle of the chain saw.
► Release the trigger switch and trigger
switch lockout and engage the chain brake
before removing the battery.
► Remove the battery and engage the
chain brake before assembling,
transporting, adjusting, inspecting,
cleaning, servicing, maintaining or
English
17.1.
7
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