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Chariot élévateur à mât télescopique GTH-4013 SX
TABLEAUX ET ANNEXES
G-4 SCHEMA HYDRAULIQUE
(Dessin 57.2201.2600 - rév. A)
capacity: 0.5 Litri
precharge pressure
50 bar
Pressure switch
activating pressure
2-10 bar
F
R
R1
Pressure
switch
N'
activating
pressure
70 bar
Rear axle
T1'
T1
P
B
Hydraulically powered
service/emergency brakes
pedal pump
150 bar
N
Steering modes
selector valve
4 ways / 3 positions
Steering rotating actuator
displacement: 315 cc/rev
Check valve
cracking pressure:
brakes stabilizers chassis levelling
Page
Document 57.0008.3300 - 09/2006
Double overcenter safety valve
piloting ratio: 4/1
Forks attachment
cracking pressure: 350 bar
quick coupling cylinder
Rear axle
steering cylinder
Forks tilt cylinder
B
A
Ev4
Ev3
T
P
Forks levelling
slave cylinder
Rear axle pivoting
lockout valve
2 ways/2 positions
Anti-shock
Front axle
valves
steering cylinder
cracking
pressure
200 bar
R
L
Ev15
Ev14
Rear axlepivoting
L
locout cylinder
S
P
Max relief
T
valve cracking
pressure
140 bar
Boom lift cylinder
Ev1
Ev2
R
T1
T2
2.5 bar
Auxiliary gear pump
450 bar
/
/
displacement: 20 cc/rev
M
450 bar
Diesel engine
X2
X1
G
Hydrostatic transmission pump
max displacement: 71 cc rev
/
Hydrostatic transmission
boost pressure test port
G-17
Double overcenter safety valve
piloting ratio: 4.2/1
cracking pressure: 350 bar
Left stabilizer
Chassis levelling cylinders
cylinder
Third section boom
telescoping cylinder
Single overcenter safety
valve piloting ratio: 4/1
cracking pressure: 350 bar
Double overcenter safety valve
piloting ratio: 7.6/1
cracking pressure: 350 bar
Anticavitation valve
cracking pressure
5 bar
Second section boom
telescoping cylinder
Double overcenter safety valve
A2
piloting ratio:4/1
cracking pressure: 350 bar
B1
200 bar
A1
295 bar
Single overcenter safety valve
piloting ratio: 4/1
Elettrodeviatore a
cracking pressure: 350 bar
6 vie/2 posizioni
A
Hydrostatic transmission
Tp2
high pressure test port
PS
Fa
Fa1
Fe
MB
B
430 bar
25 bar
Boom functions pump
with integrated priority valve
A
displacement: 43 cc/rev
MH
S
FS
MA
Mechanical gear (single speed)
Tp3
Shutoff valve
Suction screen
Double overcenter safety valve
piloting ratio: 4.2/1
Double overcenter safety valve
cracking pressure: 350 bar
piloting ratio: 4.2/1
Quick coupling
cracking pressure: 350 bar
Right stabilizer
hydraulic ports
cylinder
Boom functions
main valve
T
B6
A6
B5
A5
B4
A4
B3
A3
B2
A2
B1
B2
A1
T
T
270 bar
P
295 bar
Elettrovalvola
di sicurezza
TP
1
Presa di controllo
pressione di mandata
B
del circuito del braccio
X2
X1
M1
B
U
T2
A
G
T
Flushing valve
Hydrostatic transmission motor
max displacement: 107 cc rev
/
Hydraulically piloted
double check valve
piloting ratio: 4 1 /
Quick coupling
hydraulic cylinder
HYDRAULIC CIRCUIT
COLORS LEGENDA
High pressure lines (open circuits)
Hydraulic lines to/from actuators
Low pressure lines
High pressure lines (closed circuits)
Hydraulic piloting and load
sensing lines
Hydraulic suction lines
Tank lines
Heat exchanger
Check valve
cracking pressure:
8 bar
Return filter
with suction line
pressurized at 0,5 bar
Oil tank
capacity
130 liters
57.2201.2600
Rev. A
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