Valtra 900 - J 10. Working hydraulics

J. Specifications
---106---
Steering pump gear pump or common oil supply with hydraulics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Steering pump revolution volume, theoretical 14 cm
3
/r (32 I/min/2270 r/min) or 22 cm
3
/r (52 I/min/2270 r/min). . . . . . . . .
Max. pressure 9 MPa (90 kp/cm
2
). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Steering valve revolution volume, theoretical 100 cm
3
/r. . . . . . . . . .
Shock valve opening pressure 16 MPa. . . . . . . . . . . . . . . . . . . . . .
Steering wheel rotation 4.6. . . . . . . . . . . . . . . . . . . . . . . . . . . .
J 9.1. Turning radius
Tractor
600, 700
(with track width 1615 mm)
(50_)
800, 900
(with track width 1720 mm)
(50_)
Turning radius without steering brakes (front wheel
drive disengaged/ front wheel drive engaged) m
4,6/5,0 4,8/5,2
Turning radius without steering brake, 2 WD models 600---700; 3.5 m, 800---900; 3.6 m.
J 10. Working hydraulics
Three points linkage of category II
Pump type gear pump. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pump driving from timing gears of motor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pump volume, theoretical 16 cm
3
/r or with priority valve (standard on models 800, 900). . . . . . . . . . . . . . . . . . . . . . . . . .
11 cm
3
/r + 11 cm
3
/r = 22 cm
3
/r
Pump capacity 36 l/min/2270 r/min, (max 40 l/min) or 52 l/min/2270 r/min,. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(max 55 l/min), (standard on models 800, 900)
Max pressure, capacity 36 l/min 18 MPa. . . . . . . . . . . . . . . . . . . . .
capacity 52 l/min 19 MPa. . . . . . . . . . . . . . . . . . . . .
Shock valve opens at 20 MPa. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
The capacity of hydraulic system with priority valve, measured from output:
--- max. power 15 kW (17 MPa, 53 l/min). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pressure filter replaceable paper filter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Suction filter washable metal gauze filter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Available volume of oil for auxiliary hydraulics 24 or 14 l (depends on filling quantity). . . . . . . . .
Continuous pressure
(e.g. hydraulic motor operation) 10 MPa. . . . . . . . . . . . . . . . . . . . .
J 10.1. Hydraulic lift, functions
Tractor Lower link type The length of the lower links
600, 700
C
a
t
e
g
o
r
y
2
t
e
l
e
s
c
o
p
i
c
l
o
w
e
r
l
i
n
k
s
o
r
B
a
l
l
H
i
t
c
h
9
0
0
m
m
(
9
8
0
m
m
i
f
t
y
r
e
s
/
t
i
r
e
s
800, 900
(with extra lifting cylinder)
C
ategory 2, te
l
escop
i
c
l
ower
l
i
n
k
s or
B
a
l
l
---
H
i
tc
h
lower links (extra equipment)
900 mm
(
980 mm
i
f
tyres
/
t
i
res
diameter are 18.4---34 or bigger)
J 10.1.1. Max. lifting force, (kN)
Tractor
600, 700
(without extra lifting cylinder)
800, 900
Links mounted on rear points 28 33
Links mounted on front points 25 29
Lifting range at end of lower links:
--- links mounted on rear points 675 mm. . . . . . . . . . . . . . . . . . . . .
--- links mounted on front points 750 mm. . . . . . . . . . . . . . . . . . . . .
J 10.1.2. On mechanically controlled hydraulic lift
Position control, lowering speed control, draft control with variable sensitivity (by altering connecting points of top link, 4
positions) and auxiliary hydraulic operations.
J 10.1.3. On electrohydraulically controlled hydraulic lift
Position control, lowering speed control, transport height adjustment, sensitivity control, 6 different positions (additional
by moving the fastening point of the top link, 4 different positions, in all 24 different sensitivity positions), drive balance
control and auxiliary hydraulic operations.