30 (EN)
7.5.2 Sharpening of the blade
You can sharpen the knife by removing it and then sanding or filing the blade while re-
taining the original bevel as much as possible. It is very important that all sides of the
blade are ground evenly to avoid imbalances. An unbalanced knife can cause excessive
vibration and consequently damage the engine and lawnmower. Test the knife by bal-
ancing it on a screwdriver handle. Continue sanding the heavier side until it is evenly
balanced.
7.5.3 Replacement of the blade
Replace it only with a knife recommended by the manufacturer. The manufacturer is
not liable for possible damage due to an asymmetrical knife or low material strength.
DAYE 2105200263[...], 263002488, 21052003402000A or
2105200115C
DAYE 2105200257[...] or 21052003412000A
7.5.4 Installation of the blade
Before reinstalling the knife and knife adapter in the device, lubricate the crankshaft of
the engine and the inner surface of the knife adapter with light oil. Position the knife so
that the marking embossed in the metal is visible downwards. Align the washer above
the knife and install the hexagonal screw. Pull the hexagonal screw with 50 Nm Fixed
torque.
7
7
.
.
6
6
S
S
P
P
A
A
R
R
K
K
P
P
L
L
U
U
G
G
Use only original replacement spark plugs from the manufacturer. For best results, you
should replace the spark plug every 100 hours of operation.
Recommended spark plug ►See chapter “Technical data”.
Incorrect spark plugs can damage the engine.
To ensure good performance, the spark plug must have an appropriate electrode spac-
ing and be clean.
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