Stihl RT 4082 Manuel D'utilisation page 99

Placing the mowing deck in safe
position for checks:
Lean mowing deck (1) against a wall and
secure against slipping with the foot.
Blade thickness:
Check the thickness of mowing blade (1)
at several points using a slide calliper. The
mowing blade must meet the minimum
blade thickness A at each individual point.
A > 2,5 mm
0478 193 9905 A - EN
Blade width:
Check the width of mowing blade (1) at the
point shown using a slide calliper. The
mowing blade must meet the minimum
blade width B.
B > 65 mm
Risk of injury!
If the specified wear limits are
reached or exceeded, the mowing
blade must be replaced for safety
reasons.
Removing the mowing blade
● Remove the mowing deck. (
● Lean the mowing deck against a wall
and secure against slipping.
Loosen and remove the blade fastening
screw (1) using an A/F 17 spanner (not
included in standard equipment).
Remove the blade fastening screw (1)
together with retaining washer (2).
Remove the mowing blade.
Sharpening the mowing blade
Risk of injury!
Always wear safety glasses and
gloves when sharpening.
The following points must be observed
when re-sharpening mowing blades:
● Cool the mowing blade when
13.1)
sharpening, e.g. with water. The blade
must not be allowed to display blue
colouring, as this would reduce its
cutting quality.
● Sharpen blades evenly to prevent
vibration due to imbalance.
● The cutting angle of 30° must be
observed.
● Observe the wear limits when
sharpening.
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