Section 6 - Schemes November 2008
SCHEMES
Document 57.0009.0427
GTH-4017EX GTH-4514EX GTH-4013EX
4
6.2.2 GTH-4013EX
M
N
R
F
P
B
N’
L
S
L
R
T
P
Diesel engine
Auxiliary gear pump
displacement: 20 cc/rev
Suction screen
Anticavitation valve
cracking pressure
5 bar
Check valve
cracking pressure:
2.5 bar
Check valve
cracking pressure:
0.5 bar (option)
Check valve
cracking pressure:
8 bar (option)
Check valve
cracking pressure:
0.5 bar (option)
Oil tank
capacity
130 liters
Steering rotating actuator
displacement: 315 cc rev/
Front axle
Rear axle
Forks levelling
slave cylinder
Left stabilizer cylinder
Right stabilizer cylinder
Chassis levelling cylinders
Second section boom
telescoping cylinder
Third section boom
telescoping cylinder
Boom lift cylinder
Forks tilt cylinder
Double overcenter safety valve
piloting ratio: 4 1
cracking pressure: 350 bar
/
Double overcenter safety valve
piloting ratio: 4.2 1
cracking pressure: 350 bar
/
Double overcenter safety valve
piloting ratio: 4.2 1
cracking pressure: 350 bar
/
Double overcenter safety valve
piloting ratio: 4.2 1
cracking pressure: 350 bar
/
Double overcenter safety valve
piloting ratio: 7.6 1
cracking pressure: 350 bar
/
Double overcenter safety valve
piloting ratio: 4/1
cracking pressure: 350 bar
Sing
4/
le overcenter safety valve
piloting ratio: 1
cracking pressure: 350 bar
Sing
4/
le overcenter safety valve
piloting ratio: 1
cracking pressure: 350 bar
Max relief valve
cracking
pressure
140 bar
Anti-shock
valves
cracking
pressure
200 bar
Quick coupling
hydraulic ports
Steering modes
selector valve
4 ways / 3 positions
Front axle
steering cylinder
Rear axle
steering cylinder
Tp1
Hydraulically piloted
double check valve
piloting ratio: 4 1/
R1
T1
T1’
T2’
T2
R2
T
A
P
B
capacity:
0.5 Litri
precharge
pressure
50 bar
capacity:
0.5 Litri
precharge
pressure
35 bar
Pressure
switch
activating
pressure
70 bar
Hydraulically powered
service/emergency brakes
pedal pump
Boom functions hydraulic
circuit test port
Hydrostatic transmission motor
max displacement: 80 cc rev/
T
P
A
B
Mechanical gear speed
selector valve
4 ways/3 positions
Emergency electrical
motor driven pump set
3.2 cc/rev (option)
Mechanical gear speed
selector actuator
Mechanical gear (2 speeds)
E
230 bar
280 bar
1
0
2
E
1
0
2
1
0
2
E
290 bar
290 bar
1
0
2
T1
A
A
A
A
B
B
B
B
P
P
T
T
LS
Pp
Tp
Tp
FLT
Pp
RPM
G1
MPR
A1
B1
B3
A3
B2
A2
T
P
200 bar
1
1
1
0
0
0
2
2
2
150 bar
Forks attachment
quick coupling cylinder
Stabilizers/chassis levelling
main valve
Boom functions
main valve
HYDRAULIC CIRCUIT
COLORS LEGENDA
Actuators functions lines
Low pressure lines
Hydrostatic transmission
high pressure lines
Hydraulic piloting lines
Open circuits pressure lines
Suction lines
Tank lines
Pv1
Pv2
Pv3
Pv4
Return filter
with suction line
pressurized at 0,5 bar
Check valve
cracking pressure:
8 bar
Auxiliaries functions
hydraulic circuit test port
Tp4
Shutoff valve
Rear axle pivoting
lockout cylinder
Rear axle pivoting
lockout valve
2 ways/2 positions
F00B
F00A
MA
M3
L1
L3
L4
L2
A
B
S
M4
M14
M5
MB
Boom functions pump
with integrated priority valve
displacement: 43 cc/rev
Hydrostatic transmission pump
max displacement: 78 cc rev/
Hydrostatic transmission pump
displacement: cc rev
charge
17 /
XA
XB
A
M3
M4
M1
L1
L2
M2
X39
X14
X8
X4
X5
X6
X7
X19
X20
X22
X21
X23
X24
X7
X30
X31
X18
X17
X19
X8
X33X34
X3
B
24 bar
450 bar
450 bar
480 bar
480 bar
Heat exchanger
Return filter
with suction line
pressurized at 0,5 bar
Tp2
Hydrostatic transmission
high pressure test port
Tp3
Hydrostatic transmission
charge pressure test port
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