Switching On Self-Propulsion; Stopping The Engine - Viking MB 756 GS Manuel D'utilisation

Should the blade brake clutch not work as
described (e.g. run-on time too long or
continuing audible wind noise when the
mowing blade is disengaged), the machine
must not be operated.
Risk of injury!
In this case, switch off the engine,
detach the spark plug socket and
have the necessary repairs
performed by trained personnel.
VIKING recommends VIKING
specialist dealers.

10.5 Switching on self-propulsion

MB 756 YC, MB 756 YS
The lawn mowers are equipped with
a hydrostatic gearbox. The speed
can be continuously regulated when self-
propulsion is switched on.
● Start the engine. ( 10.1)
● 1 Set the required speed using driving
speed lever (1).
VIKING recommends moving off slowly
and therefore selecting a low speed.
● 2 Pull self-propulsion lever (2) to the
handlebar and hold.
Self-propulsion is switched on and the
lawn mower moves forwards.
Drive speed:
Continuously from
0,5 km/h
to
5,5 km/h
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MB 756 GS:
The lawn mower is equipped with a
three-speed gearbox. The three
forward gears can be freely selected with
self-propulsion engaged.
● Start the engine. (
● 1 Engage the required gear with
gearshift lever (1).
VIKING recommends moving off slowly
and therefore engaging 1st gear.
● 2 Pull self-propulsion lever (2) to the
handlebar and hold.
Self-propulsion is switched on and the
lawn mower moves forwards.
Drive speed:
16
1st gear: 2,5 km/h
2nd gear: 3,7 km/h
3rd gear: 5,0 km/h
10.6 Switching off self-
propulsion
● 1 Release self-propulsion
lever (1) to switch off self-propulsion.

10.7 Stopping the engine

● To stop the engine, move
throttle lever (1) to the Stop
position (2).
10.8 Grass catcher bag with anti-
dust screen
An anti-dust screen (1) is attached
on the upper side of the grass catcher bag,
which prevents fine dust from being blown
upwards in the direction of the user.
Level indicator:
17
The centre of the anti-dust screen is lifted
slightly through the air flow which is
generated by the rotary motion of the
mowing blade and is responsible for filling
the grass catcher bag.
10.1)
When the grass catcher bag is full, this
flow of air is reduced and the anti-dust
screen drops down onto the grass catcher
bag.
Emptying the grass catcher bag:
18
● Disengage the mowing blade. (
● Detach the grass catcher bag. (
● Hold the grass catcher bag by
19
handle (2) and nylon strap (3) sewn
onto the back and empty it.
● Attach the grass catcher bag again.
(
20
Risk of injury!
Always disengage the mowing
blade before emptying. ( 10.3)
Take weight into account!
A completely filled grass catcher
bag can weigh up to 22 kg.
Avoid damage to the machine!
Always empty the grass catcher
bag in good time in order to prevent
the mowing channel from becoming
obstructed. Obstructions can block
the mowing blade and lead to
unnecessary wear of the blade
brake clutch.
7.7)
10.3)
7.7)
47