Terex Genie GTH-2506 Manuel D'utilisation Et D'entretien page 135

Chariot élévateur à mât télescopique GTH-2506
TABLEAUX ET ANNEXES
G-4.1 SCHEMA HYDRAULIQUE Drw. 57.2201.1300 rev. A
Document 57.0003.5300 - 10/2004
Hydraulic piloting line
test port
TP
2
Parking/emergency
brake selector valve
T P
4 ways / 2 positions
Ev5
T R
A B
Front axle
Parking/emergency
brake control valve
P2
orifice dia.: 0.5 mm
Service brake
cracking pressure:
pressure switch
0.5 bar activating pressure:
P1
2,8-6,3 bar
Emergency brake
minimum pressure
pressure switch
activating pressure:
Rear axle
60 bar
steering cylinder
B A
Ev3 Ev4
Steering mode T P
selector valve
4 ways / 3 positions
Forks levelling
slave cylinder
Front axle
Anti-shock
Accumulator
steering cylinder valves
cracking capacity:
pressure: 0.5 liters
precharge pressure:
225 bar
50 bar
R L
Steering rotating actuator
displacement: 125 cc/ rev.
L
S
P T
Max relief valve
cracking
pressure:
170 bar
Check valve
cracking pressure
Check valve
cracking pressure
0.5 bar
Diesel engine
Boom functions pump
with integrated priority valve M
displacement 27 cc/rev
Shutoff valve
Hydrostatic transmissionpump
Suction screen
G-19
Page
Service brake
Pressure reducing valve
circuit reservoir
setting pressure: 28 bar
Service brake
DR
pedal pump
max operating
pressure: 80 bar
E U
Piloting lines
hydraulic collectors
Double overcenter/safety valve
piloting ratio: 4.2/1
cracking pressure: 350 bar
Forks tilt cylinder
Forks attachment
quick coupling cylinder
Quick coupling
hydraulic ports
Hydraulically piloted
double check valve
piloting ratio: 4/1
Single overcenter/safety valve
piloting ratio: 4.2/1
cracking pressure: 350 bar
Anticavitation valves
cracking pressure
5 bar
Double overcenter/safety valve
Boom lift cylinder
piloting ratio: 4.2/1 Boom telescoping cylinder
cracking pressure: 350 bar
Boom functions hydraulic
circuit test port
Single overcenter/safety valve
piloting ratio: 4.2:1
cracking pressure: 300 bar
0.5 bar
M X
AH M
L 1 sp TP Hydrostatic transmission
4
boost pressure test port
1.3
M
t
T 0.7 0.7
2 bar
Z
Ev1 Ev2
Y
6.4
0.9
0.9
32 bar
19 bar
445 bar
445 bar
max displacement 55 cc/rev
Boom functions
control lever X
Y
3 ways / 2 positions
selector valve
lockout telescoping out
1 4 T P 3 2
3 2
1
Ev9
C
B
4
A
4
X
Y
4
B 4
3
130 bar
A
3
280 bar
X
3 Y
3
B
2 280 bar
A
2
X
Y
2
2
B
1
A
1
X Y
1 1
Ev10
260 bar
TP
T
1
P
Hydrostatic transmission
TP
high pressure test port
3
Hydrostatic transmission motor
A M
max displacement 105 cc / rev
p
A M
S U 1
A
X
L
260 bar
14 bar
max min
T
U
Ev11
B
P
B L X
B M
s
Check valve
cracking pressure
Heat exchanger
Shutoff valve
A B
T
G H
Ev6 C D E F Ev7
Boom functions
piloting selector valve
8 ways / 3 positions
3 2
3 ways / 2 positions
1
Ev8 selector valve
lockout boom down
Boom functions
main valve
(4 sections)
HYDRAULIC CIRCUIT
COLORS LEGENDA
Boom/steering pump
pressure lines
Hydrostatic transmission
high pressure lines
Boom / steering
functions lines
Low pressure and transmission
charge pressure lines
Hydrostatic transmission and
boom functions valve piloting lines
Boom / steering and transmission
pumps suction lines
Tank lines
Oil tank
capacity 70 liters
2.5 bar