For removal, use a
16=
wooden block (approx.
60 x 60 mm) to
counterhold the
17=
mowing blade.
Unscrew the
18=
blade fastening screw
using an A/F 24 spanner.
Remove the
17=
mowing blade.
Risk of injury!
Always wear
gloves.
CAUTION
Risk of injury!
Check blade for damage
before installing.
The blade must be replaced
if notches or cracks are
identified, if the blades are
worn back by 5 mm, or if
the blade is thinner than
2 mm at any point (wear
limits).
The sharpening angle of the
blade is 30°.
The following points must be
observed when re-sharpening
the mowing blade:
•
Cool the mowing blade
when 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.
19
Sharpening the
mowing blade
19
Removing the mowing
blade
Guide the
19=
screwdriver through the
20=
central bore of the
17=
mowing blade and align
the blade horizontally.
If the mowing blade is
properly balanced it will
remain in this horizontal
position.
•
If the blade leans to one
side, re-sharpen this side
until the blade is evenly
balanced.
20
Checking the balance
of the mowing blade
CAUTION
Risk of injury!
A worn blade may break off
and cause serious injuries.
The instructions for blade
maintenance must therefore
always be observed.
Blades are subjected to
differing degrees of wear
depending on the location
and duration of use. If you
use the mower on sandy
ground or use it frequently
under dry conditions, the
blade will be subjected to
greater loads and will wear
more quickly than the
average.
Always replace the blade
fastening screw
(18)
when
replacing the mowing blade.
Maintenance interval:
Before each use
Tilt the mower upwards into
the
cleaning position
.
•
Clean the mowing blade
and check it for damage
(notches or cracks) and
wear; replace if necessary.
Wear limits:
The
blade thickness
must be
at least
2 mm
at any point.
(Check using slide calliper).
The
blades
may not be
ground back by more than
5 mm
during sharpening.
When inspecting, place a
22=
ruler against the front
blade edge and check for
wear.
CAUTION
If the supplied standard
blade is not installed in the
lawn mower, but e.g. the
mulching blade, which is
available as a special
accessory, different wear
limits apply.
H
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13
0478 121 9909 H - EN
Summary of Contents for ME 545
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