SECTION 5 - HYDRAULICS
5-12
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5.8
TRACKS WIDENING
Tracks widening or narrowing is carried out by two cylinders controlled together in parallel by the same valve-block ele-
ment on the left side valve-block.
Track widening system oil is sent to both cylinders through the track widening manifold that is installed on hydraulic com-
ponents compartment just below the hydraulic manifold close to blow-off manifold.
5.9
BOOM COMPONENT HYDRAULIC SYSTEM
The boom components controlled by the aerial valve block are tower extension, tower boom, main extension, main boom
and turn table rotation.
The boom components are controlled by an hydraulic manifold valve equipped with proportional valve and an ON-OFF
valve for each aerial part movement.
Boom component manifold valves are fed by pressure line "A" through deviator valve and oil rate is controlled through the
proportional valve managed by the control module.
ML00170
ML00180
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