Height Adjustment; Grass Catcher Box; Level Indicator - Viking MA 339 Gebrauchsanleitung

● Fold handlebar (2) up rearwards and
ensure that handlebar is fully engaged.

Height adjustment:

The height of the mono handlebar can be
adjusted to 2 levels:
● Hold upper handlebar (2) with one hand
at its highest point and lift (relieve load)
slightly.
● Press detent lever (1) downwards and
hold.
● Move handlebar (2) into required
position.
● Release detent lever (1) and ensure
that handlebar is again fully engaged.
9.4 Folding down dual handlebar
(MA 339)
Danger of pinching!
The upper handlebar can be folded
down when the rotary handles are
released. Therefore hold the upper
handlebar with one hand at its
highest point when unscrewing the
rotary handles.
Transport position (for cleaning, for
space-saving transport and for storage of
the machine):
● Loosen rotary handles (1) until they turn
freely.
● Fold down upper handlebar (2)
forwards.
Working position (to push machine):
● Fold up upper handlebar (2) rearwards
and hold with one hand.
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● Tighten rotary handles (1). Make sure
that cable guide (3) is positioned
correctly.
9.5 Central cutting height
adjustment
Five cutting heights can be
selected.
Level 1 = 30 mm
Level 5 = 70 mm
Lawn mowers for Great Britain:
Six cutting heights can be selected.
Level S = 20 mm
Level 5 = 70 mm
In order to prevent damage, the
lowest cutting height must only be
used on even lawns (without
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bumps).
Setting cutting height:
● Push height adjustment lever (1) away
from lawn mower slightly until lever is
released from locating lugs (2).
● Increasing cutting height:
Raise lawn mower using height
adjustment lever (1) (push lever
forwards).
Decreasing cutting height:
Lower lawn mower using height
adjustment lever (1) (push lever
rearwards).
● Push height adjustment lever (1)
towards lawn mower until locating
lugs (2) engage in lever. The selected
cutting height can be read off at front
locating lug (3).

9.6 Grass catcher box

Attaching:
● Open ejection flap (1) and hold it
open.
● Attach grass catcher box (2) to
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mountings (4) on rear of machine by
means of locating lugs (3).
● Close ejection flap (1).
Detaching:
● Open ejection flap (1) and hold it open.
● Lift grass catcher box (2) and remove
rearwards.
● Close ejection flap (1).

9.7 Level indicator

The upper part of the grass catcher
box features a level indicator (1).
The flow of air that is created by the rotary
movement of the mowing blade and is
responsible for filling the grass catcher box
raises the level indicator (2):
The grass catcher box is filled with
clippings.
When the grass catcher box is full, this
flow of air is reduced and the level
indicator drops (3):
● Empty filled grass catcher box (
10. Notes on working with
the machine
10.1 General
To ensure a perfect, thick lawn, mow
regularly and keep the grass short.
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12.4).
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