31
600 Series Operating instructions
Self leveling boom (option)
The boom self leveling system keeps
the position of the attachment the same
in relation to the ground, regardless of
the position of the boom.
Self leveling is hydraulic: there is a
leveling cylinder on the left side of the
boom which follows the movements of
the bucket tilt cylinder and keeps the
attachment level.
NOTE: Self leveling is disabled when the boom oating is
switched on.
Smooth drive (option)
Avant 630/635/640 can be equipped,
as an option, with the smooth drive
which is a shock absorber system for
the boom. When driving at high speed
with a heavy load or heavy attachment,
the boom starts to move up and
down, making driving unpleasant. The
smooth drive consists of a hydraulic
pressure accumulator, which absorbs
and eliminates boom movements and
makes driving considerably smoother and more stable.
Smooth drive is switched on with the boom oating switch,
and is active whenever boom oating is also activated.
NOTE: The loader must also be equipped with both boom
self leveling and boom oating options.
Risk of lowering of the boom
when switching on boom
suspension - Lower boom before
switching on. Switch the smooth
drive on only when stationary and
and when the load is close to the
ground to avoid change in stability
caused by possible movement of
the boom when switching on. Keep
the smooth drive off when loading
or lifting with the loader.
Tilt adapter (option)
A hydraulic tilt adapter can be
mounted between the attachment
and the attachment coupling
plate. It makes it possible to tilt
the attachment sideways to both
directions from the driver’s seat.
There are two kinds of tilt adapters available (as of Feb 2018):
•
Tilt adapter A34148, tilting angle ±12.5°
•
Tilt adapter A36505, tilting angle ±45°
Tilt adapter is intended mainly for non-hydraulic
attachments. With the optional double acting extra
auxiliary hydraulics outlet in the front it is possible to mount
a hydraulically operated attachment (e.g. a 4 in 1 bucket)
at the same time.
See the operator’s manual of each attachment for
recommendations about the use of the tilt adapter.
Tilt adapter is operated with the auxiliary hydraulics control
lever. If the tilt adapter is connected to the optional extra
auxiliary hydraulics outlet in the front, see page 33 in this
manual for instructions about use.
Tilt adapters increase the distance
of the load from the loader, thus
they decrease the tipping load of
the loader. Use tilt adapters only
when needed to complete specic
tasks.
Side shift adapter (option)
A side shift adapter is a coupling
bracket that makes it possible to
operate an attachment off the the
centerline of the loader. There are
two kinds of side shift adapters
available (as of Feb 2018):
• Fixed side shift adapter models
• Hydraulic side shift adapter
Risk of tipping over - A side
shift adapter decreases the
sideways stability of the loader
signicantly. Use all adapters
only for specic tasks, as instructed
in the operator’s manuals of each
attachment. Remove all adapters
for general use of the loader.
Adapters decrease stability of the
loader and must be used only on
level ground.
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