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17 Repairing
► Apply Loctite 243 thread locker to the thread of screw (2).
► Position blade (1) so the raised areas on the contact area
engage in the notches in blade (1).
► Screw in screw (2) together with washer (3).
► Hold blade (1).
► Tighten screw (2) to 65 Nm.
16.3 Sharpening and Balancing the Blade
Sharpening and balancing the blade correctly requires a lot
of practice.
STIHL recommends having the blade sharpened and
balanced by a STIHL specialist dealer.
WARNING
The cutting edges of the blade are sharp. This may result in
the user cutting themselves.
► Wear work gloves made from resistant material.
► Stop the engine.
► Detach the spark plug socket.
► Upend the lawn mower.
► Remove the blade.
► Sharpen the blade. Observe the sharpening angle and
cool the blade, @ 19.2.
Bluing of the blade during sharpening is not permitted.
► Attach the blade.
► If anything is unclear: consult a STIHL specialist dealer.
17.1 Repairing the Lawn Mower
The user should not repair the lawn mower or blade
themselves.
► If the lawn mower or blade is damaged: do not use the
lawn mower or blade and consult a STIHL specialist
dealer.
► If warning signs are illegible or damaged: have the
warning signs replaced by a STIHL specialist dealer.
17 Repairing
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