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HARDI Ltd will be launching the new LPY / LPZ sprayer boom. This
new generation of HARDI boom is available in six widths from 15m
to 24m and is suitable for HARDI Mega mounted, Commander trailed
and Demount sprayers.
The LPY / LPZ boom is of light lattice construction and features
a new pendulum single coil suspension system with shock absorbers.
The coil spring acts as a cushion for the boom and, compared to
the trapeze system previously used by HARDI, is far more sensitive
to vibration from rough ground carrying through the tractor or
sprayer axle.
An anti-yaw system is built into the centre section of the boom
assembly to damp horizontal boom movements. A new dual rubber
buffer damper has also been incorporated to counter more violent
boom movements, such as when turning at the headland, which transfers
any residual movement across to the opposite wing, which acts
as a counter force.
All boom sizes fold in two sections per wing. On LPY models boom lift and folding is controlled through a single and a double acting spool valve, activated from the tractor's double acting control lever. LPZ models are controlled by HARDI's Double Activated Hydraulic (DAH) system through a double acting spool valve, which also provides individual boom wing tilt and boom slanting.
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Once opened, both wings are positively locked by an over centre
locking device. The boom tip sections also feature a new design
of three-way breakaway system.
When fitted to Mega mounted spray units, LPY / LPZ booms come
with a new design of transport bracket, which can be adjusted
at both the front and at the pivot point. This allows the transport
position to be tailored to suit individual tractor cabs for easy
access or the height to be lowered where access height may be
restricted. Transport width is 2.80m and the distance between
the booms when folded is l.95m to allow for tractors with
spacious cabs.
The new LPY / LPZ boom can be fitted with HARDI Triplet or Quadrilet
spray nozzles and can also be used with liquid fertiliser equipment
such as dribble bars.
Prices for HARDI sprayers fitted with the new LPY / LPZ boom start at £8,920 for a Mega mounted sprayer with a 1,000 litre tank and 15m LPY booms. Trailed sprayer prices start at £15,245 for a HARDI Commander with a 2200 litre tank and 15m booms and prices for the 2000 litre Demount unit with LPZ booms are from £20,115 for a 18m unit.
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