Sharpening Instructions - Stihl RMA 410 C Manual De Instrucciones

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Sharpening Instructions

The type of blade initially supplied with
the mower depends on the market.
1
2
1 Blade
2 Mulching blade
Checking the Blade
Put the mower in the cleaning
N
position.
Clean the cutting blade and inspect
N
it for wear and/or damage (nicks or
cracks), replace if necessary.
24
Always check the mounting screw (1)
when replacing the blade.
WARNING
To reduce the risk of blade detachment
and resulting injury, always replace a
damaged mounting screw.
Blade
1
Use a caliper gauge to check blade
N
thickness at a minimum of 5
different points.
Place a ruler on the front edge of the
N
blade and measure how far it has
been filed back.
Blade thickness must not be less than
a = 2.0 mm (0.08 in) at any point.
Angle 'b' must be 30°.
Blade width at its narrowest point must
be at least c = 39 mm (1.53 in).
Cutting edges may be filed back no
more than d = 15 mm (0.59 in).
a
b
c
d
RMA 410 C