Sunday, January 18, 2009

The B90B Skid Steer


Load sensing - Closed centre
Maximum power where needed

The B90B features an integrated Hydraulic and Steering System.
It consists of two gear type pumps mounted in series with a total delivery of 160 l/min, Load Sensing regulated and
working at a maximum pressure of 210 bars.
When the machine is steering, the steering wheel first activates the Orbitrol steering valve, then - via a priority valve -
the increased flow required for faster steering effect is diverted from one of the two hydraulic gear pumps


FRONT LOADER


If the operator is using the front attachment, when required,
a special button on the new loader control lever disconnects
the transmission so that total engine power is utilised as
hydraulic power on the front loader for maximum productivity
and efficiency.



The handle on the loader control lever, includes:
a “rocker”, to proportionally control the additional hydraulic
function. It allows, for example, use of the 4-in-1 bucket as a
pincer, thus dramatically expanding the New Holland backhoe
loader’s flexibility
the transmission disconnect button to utilise the optimum
available hydraulic power on the front attachment
for maximum productivity and efficiency.



BACKHOE


If the backhoe is in operation, thanks to its Closed Centre
main control valve, the hydraulic system delivers its power
when and where it is needed, while simultaneous movements
are allowed independently from power required and engine
r.p.m., for maximum performance, faster cycle times and
maximum production.

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