Page
G - 21
Document 57.0008.7200 - 05/2007
Handler with telescopic boom
GTH-3512
TABLES AND DOCUMENTS ENCLOSED
G-4
GTH-3512 HYDRAULIC SCHEME
M
X
1
X
2
G
MH
S
A
T
1
P
S
F
a
F
a1
F
e
Ev1
M
B
Ev2
T
2
R
N
R
F
P
B
N’
B
M
A
F
S
L
S
L
R
T
P
450 bar
25 bar
450 bar
430 bar
TP
3
TP
2
R1
T1
T1’
T2’
T2
R2
T
A
P
B
Servo-assisted
braking system
A
1
B
1
B
3
A
3
B
2
A
2
A
4
A
5
B
4
B
5
T
T
P
280 bar
TP
1
T
A1
A2
B
B1
B2
A
295 bar
295 bar
175 bar
1
2
3
A
M
1
X
1
X
2
T
G
B
U
T
P
A
B
Selection
valve
Diesel engine
Hydrostatic transmission pump
max displacement: 56 cc/rev
Function pump
with integrated
priority valve
Suction
filter
Suction
filter
Check valve
cracking pressure: 0.5 bar
Check valve
cracking pressure:
2.5 bar
Oil tank
capacity
90 liters
Steering rotating
actuator
Front axle
Rear axle
Third boom element
telescoping cylinder
Left stabilizer cylinder
Right stabilizer cylinder
Second boom element
telescoping cylinder
Boom lift cylinder
Single overcenter safety valve
piloting ratio: 4:1
cracking pressure: 350 bar
Double overcenter
safety valve
piloting ratio: 4:1
cracking pressure: 350 bar
Double overcenter
safety valve
piloting ratio: 4:1
cracking pressure: 350 bar
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: 11:1
cracking pressure:
350 bar
Single overcenter
safety valve
piloting ratio: 4:1
cracking pressure: 350 bar
Max relief valve
cracking
pressure
140 bar
Anti-shock
valves
cracking
pressure
200 bar
Quick coupling
hydraulic ports (optional)
Forks attachment
quick coupling cylinder
(optional)
Steering modes
selector valve
4 ways / 3 positions
Front axle
steering cylinder
Rear axle
steering cylinder
Hydraulically piloted
double check valve
piloting ratio: 4:1
(optional)
Shutoff valve
Shutoff valve
Accumulator
capacity:
0.5 Litri
precharge
pressure
50 bar
Pressure switch
activating pressure 2-10 bar
Pressure switch
activating pressure 70 bar
Hydrostatic transmission
boost pressure test port
Hydrostatic transmission
high pressure test port
Hydrostatic
transmission
motor
Heat
exchanger
Check valve
cracking pressure: 2.5 bar
Mechanical gear speed
selector actuator
Mechanical gear speed
selector valve
4 ways/3 positions
Mechanical gear
(2 speeds)
Anticavitation valve
cracking pressure
5 bar
Forks levelling
slave cylinder
Forks tilt
cylinder
Boom functions
hydraulic circuit test port
Flushing valve
Safety solenoid
valve
6-way / 2-position
electro-switch
Distributor with
mechanical control
Содержание GTH-3512
Страница 2: ...Courtesy of Crane Market...