Genie GTH-1544, Service And Repair Manual

Page: 148 / 151

5-34 GTH-1544 Part No. 1272857
September 2016 Section 5 • Schematics
Hydraulic Schematic - Deutz Engine
Deutz engine - Sheet 1 of 2
A3
2
A
1
A
B3
2
B
1
B
4,060 psi
3,770 psi
3,915 psi
2,610 psi
T
TB
A
b
b
b
a
a
a
24 GPM
42 GPM
42 GPM
13
GPM
33
GPM
33
GPM
LS
P
DLS
ML
S
LD
T
T
D
P
T
X
Y
C1
C1
C2
C2
C3
C3
C4
C4
P1
P1
P2
P2
P
T
P
T
A B
43
ci/rev 66 ci/rev
Boom and
s
teering
functions
piston
pump
load sensing type displacement:
c
/rev
3.66
i
n
g
v
alve
s
ing
y
actuated
Boom lift cylinder
Boom telescope cylinder
Forks tilt cylinder
Forks level slave cylinder
yy
p
g
j
Boom telescoping/chassis sway
functions selector valve
electrically actuated
Boom lift/forks tilt
functions selector valve
electrically actuated
Steering modes selector valve electrically actuated
Hydraulic fluid tank (capacity: 53 U
Rear axle
Front axle
Front axle steering cylinder
Rear axle steering cylinder
Chassis sway cylinder Chassis sway cylinder
1
2
3
4
S
L
L
1
B
X
c
tions
p
ort
Pump stand-by
pressure
test
port
(290 psi)
Hydraulically
piloted
double check
v
alve
piloting ratio: 4/1
Single overcenter safety
valve
piloting ratio: 4/1
cracking
pressure: 350 bar
gp
p
Anticavitation valve cracking
pressure
72 psi
cracking
pressure:
5
,075
psi
TP
1
TP
5
m
ission
pump
charge
i
0
v
er
/
c
Rear axle lockout
cylinder
Rear axle lockout valve
X119 X120
C2 C1
P
T1
Hydrostatic transmission motor
i
3
5.
6v
er
/
c
:t
n
e
m
e
c
al
p
si
d
x
a
m
T
P
A
B
X140
X137
A
M1
T2
G B
U
Flushing valve
Mechanical gear speed
selector valve
4 ways/2 positions
Mechanical gear speed
selector actuator
Mechanical gearbox
shift-on-fly
(2 speeds
)
HYDRAULIC CIRC
U
COLORS LEGEND
A
Actuators functions li
n
Low pressure lines Hydrostatic transmis
s
high pressure lines
S
L
+
g
ni
t
oli
p
cil
u
ar
d
y
H Open circuits pressu
r
Suction lines T
ank lines
Check valve
cracking pressure:
1
16 psi
X122
Heat exchanger
Return filter
with suction line
pressurized at
7 psi
FRONT
RIGHT
b
rake
v
alve
e s
)
1
2
3
A
B
L
X230
1,740 psi
Heat exchanger fan hydraulic motor displacement 0.68 ci/rev
Fr
o loc
k (op
4,060 psi
X132 X133
X212
X200
X128