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Operating Manual – Snowthrower English
17
Risk of injury from
thrown-out snow or
solid objects.
Only touch parts of
the machine when
they have come to a
complete halt.
Risk of injury from
rotating parts. Keep
hands and feet away
from rotating parts.
Unpacking and
assembly
Check the contents as you unpack
the machine.
Assemble the machine as illustrated
at the end of these operating
instructions.
Before using the
machine for the first
time
• It is essential to check the oil level.
Refill or top up with engine oil (see
“Engine instructions”) as required.
• For transportation reasons, the
tyres may show a higher tyre
pressure. Check tyre pressure and
adjust accordingly (approx. 1 bar).
• Adjust coupling for worm drive and
drive system (see “Maintenance”).
• ((STH 8.66, STH 10.66 C)
Adjust drive lever (see
“Maintenance”).
Operating the machine
Risk of injury
Before making any adjustments
– Turn off the engine.
– Remove the ignition key and the
spark-plug connector.
– Wait until the engine has cooled
down.
Adjust the machine to
conform to the ground
and snow conditions
Adjust working position
(STH 10.66 C)
Figure 4
• Use setting lever (1) to select a
position to match the conditions:
– Position I: For heavy snow
which has iced over. Worm is
pressed onto the ground
– Position II: For normal snow
conditions.
– Position III: For clearing uneven
paths or for transporting the
machine. Worm is at a greater
distance from the ground.
Adjust the skids
Figure 6
With the skids (1), the distance
between the ground and the clearing
plate (5) can be set in such a way
that no parts of the ground (e.g.
earth or stones) can be taken up.
• (STH 10.66 C) Set setting lever
(Figure 4, item 1) to position II.
• Loosen nuts (2) on both sides of
the machine.
• Adjust skids to conform to the
ground conditions:
– lower for uneven or non-hard-
surfaced paths
– higher for even paths.
• Fasten the skids with nuts (2) in
such a way that they uniformly
touch the ground.
Fill up with fuel and check
the oil level
Danger of explosion and risk
of being burnt
Fill up with fuel only in the open air
and when the engine has been
switched off and is cold. Do not
smoke whilst filling up.
Never fill up with fuel to the top. If fuel
overflows, let the overflowed fuel
evaporate completely before you
start the engine.
Store fuel only in suitable containers
designed to take fuel.
• Check oil level, top up as required
(see “Engine Instructions”).
• Fill up with fuel (for types of fuel
see specifications in the engine
instructions), close fuel tank cap
and wipe away remains of fuel.
Working with the snow-
clearing machine
Risk of injury
Keep other people, in particular
children, and domestic animals away
from the danger area.
Operate the machine only when it is
in a faultless and safe-to-operate
condition.
Inspect the ground over which the
machine is to operate and remove all
objects which could be picked up by
the machine and hurled out.
Work only when there is sufficient
illumination.
Work slowly and carefully, especially
on uneven or non-hard-surfaced
paths, or when you are moving
backwards.
Set the distance between worm
housing and ground in such a way
that no extraneous material (e.g.
stones) is taken up by the machine.
Caution
Risk of damage to the machine
If the machine strikes extraneous
material (e.g. stones) or exhibits
unusual vibrations, switch off the
machine and inspect it for damage.
Get any damage you discover
repaired before you work with the
machine again.
Before you put the machine to work,
let the engine run to warm up.
When you have finished work, leave
the engine running for a few minutes
to eliminate the moisture.
Figure 1
• Adjust throw-out chute (see “Set
the direction and distance of
throw”).
• Start the engine (see “Start the
engine”).
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