Stihl RMA 370 Product Instruction Manual - Page 25

WARNING, Mowing blade, Mulching blade

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Mowing blade 1 a Mulching blade a English 9929BA022 KN 9929BA040 KN 9929BA038 KN Always check the mounting screw (1) when replacing the blade. WARNING b To reduce the risk of blade detachment b and resulting injury, always replace a b damaged mounting screw. N Use a caliper gauge to check blade thickness at a minimum of 5 different points. N Place a ruler on the front edge of the blade and measure how far it has been filed back. Blade thickness must not be less than a = 0.06 in (1.6 mm) at any point. Cutting edges may be filed back no more than b = 0.2 in (5 mm). N Use a caliper gauge to check blade thickness at a minimum of 5 different points. N Place a ruler on the rear edge of the blade and measure how far it has been filed back. Blade thickness must not be less than a = 0.06 in (1.6 mm) at any point. Blade width at the cutting edges must be a minimum of b = 0.87 in (22 mm). RMA 370 23

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RMA 370
English
23
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.
Mowing blade
N
Use a caliper gauge to check blade
thickness at a minimum of 5
different points.
N
Place a ruler on the front edge of the
blade and measure how far it has
been filed back.
Blade thickness must not be less than
a = 0.06 in (1.6 mm) at any point.
Cutting edges may be filed back no
more than b = 0.2 in (5 mm).
Mulching blade
N
Use a caliper gauge to check blade
thickness at a minimum of 5
different points.
N
Place a ruler on the rear edge of the
blade and measure how far it has
been filed back.
Blade thickness must not be less than
a = 0.06 in (1.6 mm) at any point.
Blade width at the cutting edges must be
a minimum of b = 0.87 in (22 mm).
1
9929BA022 KN
9929BA040 KN
b
a
b
b
a
9929BA038 KN