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WARNING
￭ If components do not comply with safety requirements,
they will no longer function properly, safety devices may
be rendered inoperative and fuel leaks may occur. This
can result in serious or fatal injuries.
► Work only with an undamaged chainsaw.
► If fuel is leaking from the chainsaw: Do not use the
chainsaw and contact a STIHL dealer for assistance.
► Close the fuel tank and oil tank caps.
► If the saw is dirty: Clean the saw.
► Work only with property fitted and undamaged chain
catcher.
► Never modify your chainsaw. Exception: Mounting a
combination of guide bar and saw chain recommended
in this instruction manual.
► If the controls do not function properly: Do not use your
saw.
► Only fit original STIHL accessories designed for this
saw model.
► Mount the guide bar and chain as described in this
instruction manual.
► Mount accessories as described in this instruction
manual or the instructions supplied with the accessory.
► Never insert objects in the saw's openings.
► If you have any queries: Contact your STIHL servicing
dealer for assistance.
4.6.2
Guide Bar
The guide bar is in a safe condition if the following points are
observed:
– Guide bar is not damaged.
– Guide bar is not deformed.
– The minimum groove depth is maintained, @ 19.3.
– Bar rails are free from burrs.
– Bar groove is not pinched or splayed.
8
WARNING
￭ If the guide bar is not in a safe condition, it can no longer
support and guide the saw chain properly. The rotating
saw chain can jump off the guide bar. This can result in
serious or fatal injuries.
► Work only with an undamaged guide bar.
► If the groove depth is less than the minimum depth:
Mount a new guide bar.
► Deburr the guide bar every week.
► If you have any queries: Contact your STIHL servicing
dealer.
4.6.3
Saw Chain
The saw chain is in a safe condition if the following points
are observed:
– Chain is not damaged.
– Chain is properly sharpened.
– The service marks on the cutters are still visible.
WARNING
￭ If components do not comply with safety requirements,
they will no longer function properly and safety devices
may be rendered inoperative. This can result in serious or
fatal injuries.
► Work only with an undamaged saw chain.
► Sharpen the chain properly.
► If you have any queries: Contact your STIHL servicing
dealer for assistance.
4.7
Fuel Mixture and Refueling
WARNING
￭ This chainsaw requires a fuel mixture of gasoline and two-
stroke engine oil. Fuel mixture and gasoline are extremely
flammable. If fuel mixture or gasoline make contact with
4 Safety Precautions
0458-786-0121-A
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