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C. General description
C7. Hydraulic system
NC26
UUSI KUVA
The tractors hydraulic system has both a low pressure
circuit and a high pressure circuit. Both circuits have their
own pump. The c apacity of the low pressure circuit
pump is 31 l/min at 2270 r/min. The high pressure pump
capacity is 75 l/min at free flow pressure which enables
effective use of the auxiliary hydraulics.
The high pressure circuit controls:
--- s t e e r in g s y s t e m ( pr i o r i t i z e d )
--- w o r k i ng h y d r a u l i c s
--- a u x i l ia ry h y d r a u l i c s
--- t r a i l er b r a k e v a lv e ( e x t r a e qu ip me n t )
The low pressure circuit controls:
--- q u i c k --- s hi f t g e a r
--- p o w e r ed f r o n t a x l e
--- P TO
--- d i f f e re nt i a l l o c k
--- g e a r b ox l u b r i c a t i o n
Tractors have an electro -- - hydraulic Autocontrol B (=ACB)
linkage. The linkage is controlled through the electrical
potentiometers and switches.
Pre---programmed functions:
--- d r a f t c o n t r o l / p o s i ti on c o n t r o l co m b i n i n g r a t io p lu s
sensitivity on the regulator, the sensitivity adjustment is
automatic.
--- l o w e r in g s p e e d (i n d e p e n d e n t o f l o a d )
--- t r a n s po rt h e i g h t
--- d r i v e b al a n c e c o n t ro l s y s t e m
Max. lifting capacity of the hydraulic lift is as follow:
--- Ø 8 0 m m l if t c y li nd e r 4 4 8 0 k g
The front linkage is available as extra equipment. Lifting
capacity of the front linkage is 2850 kg.
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