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10.4 Correct motor load
Do not switch the lawn mower on in tall
grass. Select a higher cutting height
setting if the motor is difficult to start.
The lawn mower load must never cause
the motor speed to drop significantly.
If the speed drops when mowing tall grass,
select a higher cutting height setting
and/or reduce the speed of propulsion.
When eco mode is switched on, the
speed is reduced automatically
when less power is required.
(
10.2)
10.5 If the mowing blade blocks
Switch off the motor immediately and
disconnect the safety plug. Then eliminate
the cause of the fault.
10.6 Thermal motor overload
protection
The electronics switch off the motor if it
becomes overloaded during operation.
Three red LEDs in the battery illuminate if
a thermal overload occurs. (
Causes for an overload:
– blunt mowing blade
– mowing excessively high grass or
cutting height adjusted too low
– excessive rate of feed
– inadequate cleaning of the cooling air
guide (inlet slots)
46
Recommencing operation
Resume normal operation of the machine
following a cooling period of up to 10 min
(depending on the ambient temperature).
(
12.)
10.7 General information on mulching
During mulching, the cut grass is chopped
up several times through a special air flow
guidance system in the mower blade area
and then blown back into the turf. The
clippings remain on the lawn.
Benefits
The decomposing clippings return organic
nutrients to the soil, serving as a natural
fertiliser.
Advantages
Emptying the grass catcher box and
disposal of the clippings are dispensed
with. Weed growth is slowed down and
significant amounts of fertilizer are saved.
10.8 When is mulching permissible?
STIHL recommends mulching only when
the lawn is dry and the grass is not too
8.5)
high.
If the grass is too high, the lawn should be
mowed in two stages. (
Caution
If the cutting height is too low or the
grass is wet, the housing may
become clogged, blocking the
blade!
10.9 How should mulching be
performed?
Requirements for good mulching results:
– Set the optimal cutting height: A third of
the grass height should be cut.
– Use well sharpened blades.
– Vary the mowing direction and ensure
that the mowing strips overlap.
Working method in high grass
In high grass, the lawn should be cut in two
stages.
First stage:
The lawn is mowed at the maximum
cutting height.
Second stage:
12 to 24 hours after the first stage, mulch
the lawn to the desired grass height at right
angles to the first mowing direction.
10.10 How often should mulching be
performed?
To ensure a perfect, thick lawn, mulch
regularly and keep the grass short.
Main growth period:
Spring:
mulch at least twice per week.
10.9)
Summer and autumn:
mulch at least once per week.
11. Safety devices
The machine is equipped with several
safety devices for safe operation and for
the prevention of improper use.
0478 131 9939 C - EN
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