Stihl RMA 765 V - Maintenance; Blade Maintenance

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21
English 17 Maintenance
► Block blade (1) using a piece of wood (2).
► Unscrew screw (3) in the direction of the arrow and
remove together with the washer.
► Remove blade (4).
► Unscrew screw (5) in the direction of the arrow and
remove together with the washer.
► Remove blade (1).
► Discard screws (3 and 5) and the washers.
Use new screws and washers to attach blades (1 and 4).
17.1.2 Attaching the Blades
► Switch the lawn mower off, pull out the activation key and
remove the battery.
► Upend the lawn mower.
► Place new washer (2) on new screw (1).
► Apply Loctite 243 thread locker to the thread of screw (1).
► Position blade (3) so that the raised areas on contact
area (4) engage in the notches in blade (3).
► Screw in screw (1) together with washer (2).
► Block blade (3) using a piece of wood (5).
► Tighten screw (1) to 30 Nm +/- 3 Nm.
► Install the second blade.
17.2 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.
► Switch the lawn mower off, pull out the activation key and
remove the battery.
► Upend the lawn mower.
► Remove the blade.
► Sharpen the blade. Observe the sharpening angle and
cool the blade, @ 20.2.
Bluing of the blade during sharpening is not permitted.