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Chariot élévateur à mât télescopique GTH-4013
TABLEAUX ET ANNEXES
G-4 SCHEMA HYDRAULIQUE GTH-4013 (Dessin 57.2201.2200 - rév. B)
capacity:
Pressure
0.5 Litri
switch
precharge
pressure
activating
pressure
50 bar
2-10 bar
F
R
R2
R1
Pressure
N'
switch
activating
pressure
70 bar
T1'
T1
P
B
T2'
Front axle
Rear axle
150 bar
T2
N
Hydraulically powered
service/emergency brakes
Forks tilt cylinder
pedal pump
B
A
Rear axle
steering cylinder
Ev4
Ev3
T
P
Steering modes
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
200 bar
R
L
Steering rotating actuator
Ev15
Ev14
displacement: 315 cc rev
/
Rear axle pivoting
L
S
lockout cylinder
P
T
Max relief valve
cracking
pressure
140 bar
Ev1
Check valve
R
T1
T2
cracking pressure:
2.5 bar
Auxiliary gear pump
brakes stabilizers chassis levelling
/
/
displacement: 20 cc/rev
M
Diesel engine
X2
X1
Hydrostatic transmission pump
max displacement: 71 cc rev
/
Hydrostatic transmission
boost pressure test port
Suction screen
Document 57.0007.0300 - 01/2006
Double overcenter safety valve
Double overcenter safety valve
cracking pressure: 350 bar
piloting ratio: 4.2 1
/
cracking pressure: 350 bar
Quick coupling
hydraulic ports
Right stabilizer cylinder
Left stabilizer cylinder
Hydraulically piloted
double check valve
Forks attachment
piloting ratio: 4 1 /
quick coupling cylinder
Double overcenter safety valve
piloting ratio: 4 1
/
cracking pressure: 350 bar
Third section boom
telescoping cylinder
Sing
le overcenter safety valve
piloting ratio:
cracking pressure: 350 bar
Double overcenter safety valve
piloting ratio: 7.6 1
/
cracking pressure: 350 bar
Anticavitation valve
Second section boom
cracking pressure
telescoping cylinder
5 bar
capacity:
0.5 Litri
precharge
pressure
40 bar
Sing
le overcenter safety valve
Check valve
piloting ratio:
4/
1
cracking pressure:
cracking pressure: 350 bar
0.5 bar (option)
Check valve
cracking pressure:
Boom lift cylinder
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
Mechanical gear speed
4 ways/3 positions
450 bar
430 bar
Mechanical gear speed
25 bar
selector actuator
Boom functions pump
with integrated priority valve
A
displacement: 43 cc/rev
MH
S
FS
MA
G
Mechanical gear (2 speeds)
Tp3
Suction screen
G-21
Page
Double overcenter safety valve
piloting ratio: 4.2 1
/
piloting ratio: 4.2 1
/
cracking pressure: 350 bar
B3
Chassis levelling cylinders
A3
B2
A2
B1
A1
T
P
A
2
0
1
B
4/
1
Boom functions
main valve
A
2
0
1
B
A
200 bar
2
0
1
B
290 bar
290 bar
A
Double overcenter safety valve
2
0
1
piloting ratio: 4/1
B
cracking pressure: 350 bar
P
270 bar
LS
T
Boom functions hydraulic
T
P
Tp
circuit test port
Tp1
M
Emergency electrical
motor driven pump set
3.2 cc/rev (option)
T
P
X2
X1
M1
B
U
Ev6
B
A
selector valve
T2
A
G
T
Flushing valve
Hydrostatic transmission motor
max displacement: 80 cc rev
/
Stabilizers/chassis levelling
main valve
0
2
1
Ev11
Ev12
1
0
2
Ev9
Ev10
1
2
0
Ev7
Ev8
Auxiliaries functions
Tp4
hydraulic circuit test port
210 bar
T1
Tp
Pp
HYDRAULIC CIRCUIT
COLORS LEGENDA
Boom
/ s
teering, brakes, stabilizers,
Pv4
chassis levelling pump pressure lines
Hydrostatic transmission
high pressure lines
E
Boom
/ s
teering, brakes, stabilizers
and chassis levelling functions lines
Pv3
Low pressure and transmission
charge pressure lines
Hydrostatic transmission and
E
boom functions valve piloting lines
Pv2
Boom
/ s
teering, auxiliary and
transmission pumps suction lines
Tank lines
E
Pv1
Ev13
G1
MPR
FLT
RPM
Pp
Heat exchanger
Check valve
cracking pressure:
8 bar
Return filter
with suction line
pressurized at 0,5 bar
Oil tank
capacity
130 liters
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