Fuel And Engine Oil; Blade Brake Clutch (Bbc) - Viking MB 756 GS Manuel D'utilisation

Repeat this procedure on all four wheels.
Avoid damage to the machine!
To prevent the machine tipping
over, set the cutting height on the
rear wheels first and then on the
front wheels.
Caution must also be exercised
when setting a lower cutting height
because the entire weight of the
machine then rests on the last
wheel.
7.4 Height adjustment of the
handlebar
The working height of the handlebar
can be adjusted to 3 levels.
● Remove screw (1).
● Grip handlebar (2) with both hands,
adjust to a pleasant working height by
moving it upwards or downwards and
hold in position.
● Install screw (1) and tighten.

7.5 Fuel and engine oil

Avoid damage to the machine!
Top up engine oil before starting for
the first time. Use a suitable filling
aid when topping up the engine oil
and when refuelling (e.g. funnel).
Engine oil
Please consult the engine
instruction manual for the type of
engine oil to be used and the oil
capacity.
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Check the oil filling level at regular
intervals (see engine instruction
manual).
Avoid exceeding or falling below the
correct oil level.
Screw on the oil tank cap properly before
operating the engine.
Fuel
Use only fresh, environmentally
friendly, good quality fuel:
– Unleaded petrol
Please consult the engine
instruction manual for precise details on
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the fuel quality/octane rating.
See the section "Technical specifications"
for details about the fuel tank capacity.
( 17.)
Topping up fuel
● Open tank ventilation screw (1).
● Unscrew tank cap (2).
● Top up fuel (use a funnel).
● Screw tank cap (1) back on again.
Open tank ventilation screw (1) and
fuel cock (3) before operating the
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engine.
7.6 Assembling the grass
catcher bag
● Pull grass catcher bag fabric (C)
over grass catcher bag frame (B) as
shown. The struts (1) and handle (2)
must be located on the outside of the
fabric.
● Position integrated plastic sleeves (3)
on the grass catcher bag frame and
press them into place. Start by pressing
under guiding plate (4) of the grass
catcher bag frame.
● First attach flap (D) on the left, then on
the right of the grass catcher bag frame,
then snap them in on both sides by
pressing firmly.
7.7 Attaching and detaching the
grass catcher bag
Attaching:
● Open discharge flap (1) and hold it
open.
● Hold the grass catcher bag at
handle (2) and guide into ejection
chute (4) with guiding plate (3).
● Place brackets (5) on mountings (6) on
the left and right between the machine
and handlebar and attach the grass
catcher bag with a gentle tug.
● Release discharge flap (1).
Detaching:
● Lift discharge flap (1).
● Hold grass catcher bag at handle (2)
and detach.
● Close discharge flap (1).
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8. Blade brake clutch (BBC)

Your lawn mower is equipped with a
blade brake clutch (BBC).
This means that the mowing blade stops
within a short time after it is disengaged,
but the engine keeps running.
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0478 111 9925 B - EN