Publicité
G-4.1.2 SCHEMA HYDRAULIQUE GTH-4017-4514 (Drw. 57.2201.1500 - rev. D)
capacity:
capacity:
Parking brake handle
1.5 Litri
0.5 Litri
Pressure
selector valve
precharge
precharge
switch
R
N
pressure
pressure
activating
35 bar
50 bar
pressure
2-10 bar
F
R
R2
R1
Pressure
N'
switch
activating
30 bar
pressure
70 bar
T1'
T
P2
P2
T1
P
P1
P1
B
T2'
Front axle
Rear axle
150 bar
T2
N
Hydraulically powered
Forks tilt cylinder
service emergency brakes
/
pedal pump
B
A
Rear axle
steering cylinder
Ev4
Ev3
Steering modes
T
P
Forks levelling
selector valve
slave cylinder
4 ways / 3 positions
Rear axle pivoting
lockout valve
2 ways/2 positions
Anti-shock
Front axle
valves
steering cylinder
cracking
pressure
R
L
200 bar
Steering rotating actuator
Ev15
Ev14
displacement: 315 cc rev
/
L
S
Rear axle pivoting
lockout cylinder
P
T
Max relief valve
cracking
pressure
140 bar
Ev1
R
T1
T2
Check valve
cracking pressure:
2.5 bar
Auxiliary gear pump
brakes stabilizers chassis levelling
/
/
displacement: 25 cc/rev
M
Diesel engine
Hydrostatic transmission pump
X1
X2
max displacement: 71 cc rev
/
Hydrostatic transmission
boost pressure test port
Pressure
switch
activating
Double overcenter safety valve
pressure
piloting ratio: 4.2 1
/
10
-20
bar
Quick coupling
cracking pressure: 350 bar
hydraulic ports
Right stabilizer cylinder
Left stabilizer cylinder
Hydraulically piloted
double check valve
Pressure
Forks attachment
piloting ratio: 4 1 /
quick coupling cylinder
switch
activating
Double overcenter safety valve
pressure
piloting ratio: 4 1
/
10
-20
bar
cracking pressure: 350 bar
Double overcenter safety valve
piloting ratio: 7.6 1
/
cracking pressure: 350 bar
Double overcenter safety valve
piloting ratio: 1
4/
cracking pressure: 350 bar
Boom telescoping cylinder
Anticavitation valve
cracking pressure
5 bar
capacity:
0.5 Litri
precharge
pressure
40 bar
Sing
le overcenter safety valve
Check valve
cracking pressure:
piloting ratio: 1
4/
0.5 bar (option)
cracking pressure: 350 bar
Check valve
Boom lift cylinder
cracking pressure:
8 bar (option)
Check valve
cracking pressure:
0.5 bar (option)
Hydrostatic transmission
Tp2
high pressure test port
Ev2
PS Fa Fa1
Fe
MB
450 bar
B
Ev5
450 bar
430 bar
25 bar
Boom functions pump
with integrated priority valve
A
displacement: 43 cc rev
MH
FS
MA
G
S
Suction filter
Shutoff valve
Tp3
Suction screen
Shutoff valve
Double overcenter safety valve
piloting ratio: 4.2 1
cracking pressure: 350 bar
Chassis levelling cylinders
Double overcenter safety valve
piloting ratio: 4.2 1
/
cracking pressure: 350 bar
A
2
0
1
B
Boom functions
main valve
A
2
0
1
B
A
150 bar
B
2
0
1
290 bar
290 bar
A
2
0
1
B
P
280 bar
LS
T
Boom functions hydraulic
T
P
circuit test port
Tp1
M
140 bar
Emergency electrical
Heat exchanger
motor driven pump set
cracking pressure: 5 bar
3.2 cc/rev (option)
T
P
X2
B
X1
M1
U
Ev6
B
A
Mechanical gear speed
selector valve
4 ways/3 positions
Mechanical gear speed
selector actuator
/
A
G
T
Mechanical gear (2 speeds)
Flushing valve
Hydrostatic transmission motor
max displacement: 80 ccrev
/
GTH-3713 - GTH-4017 - GTH-4514
TABLEAUX ET ANNEXES
Stabilizers/chassis levelling
/
main valve
B3
0
2
1
A3
Ev11
B2
Ev12
1
0
2
A2
Ev9
B1
Ev10
1
0
2
A1
Ev7
Ev8
Stabilizers/chassis levelling
T
hydraulic circuit test port
Tp4
P
220 bar
T1
Tp
Pp
Pv4
E
Pv3
E
Pv2
E
Pv1
Ev13
G1
MPR
FLT
RPM
Tp
Pp
Heat exchanger fan
hydraulic motor
displacement 20 cc rev
/
HYDRAULIC CIRCUIT
COLORS LEGENDA
Boom
/ s
teering, brakes, stabilizers,
chassis levelling pump pressure lines
Hydrostatic transmission
high pressure lines
Check valve
Boom
/ s
teering, brakes, stabilizers
and chassis levelling functions lines
Low pressure and transmission
charge pressure lines
Hydrostatic transmission and
boom functions valve piloting lines
Boom
/ s
teering, auxiliary and
transmission pumps suction lines
Tank lines
Oil tank
capacity
120 liters
G-38
Page
Document 57.0004.4300 - 05/2005
GTH-4017
Du numéro
d'immatriculation 14867
Au numéro
d'immatriculation xxxxx
GTH-4514
Du numéro
d'immatriculation 15125
Au numéro
d'immatriculation xxxxx
Publicité
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