7 hydraulic schematic, Hydraulic schematic, Section 8.7, “hydraulic – JLG G5-18A Service Manual User Manual
Page 97: Schematic, Hydraulic system, Vg min vg min vg max vg max, Mal2710b
8-7
G5-18A, 2505H, 25.5
Hydraulic System
8.7
HYDRAULIC SCHEMATIC
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
7
6
5
4
3
2
1
b
a
DRIVE
DRIVEDRIVE
PUMP
PUMP
IMPLEMENT
MOT
OR
V
A
L
VE,
P
ARK
V
A
L
VE,
P
ARK
BRAKE
RELEASE
BRAKE
RELEASE
V
A
L
VE,
MAIN
CONTROL
V
A
L
VE,
MAIN
CONTROL
241BAR
241BAR
T
P
1a
2a
3a
4a
T2
4A
4B
4A
4B
4b
3A
3B
3b
2A
2B
2b
1A
1B
1b
4b
3A
3B
3b
2A
2B
2b
1A
1B
1b
STEERING
ORBIT
A
L
L
R
LS
T
P
JOYSTICK
1
23
4
P
T
FRONT
AXLE
SER
VICE
BRAKE
SER
VICE
BRAKE
INCHING
V
AL
VE
INCHING
VA
LV
E
P
T
Y
R
MASTER
CYLINDER
MASTER
CYLINDER
B
V
A
L
VE,
PRIORITY
V
A
L
VE,
PRIORITY
LS
CF
EF
P
FRONTSTEERING
CYLINDER
REARSTEERING
REARSTEERING
CYLINDER
V
A
L
VE,
STEER
V
A
L
VE,
STEER
SELECT
31.8
CC
CC
14.3
2.41BAR
2.41BAR
Vg
min
Vg
min
Vg
max
Vg
max
T2
U
B
A
M1
Sa
G
T1
CYLINDER,
TIL
T
CYLINDER,
TIL
T
CYLINDER,
CROWD
CYLINDER,
CROWD
FRONT
AUX
FRONT
AXLE
P
ARK
BRAKE
P
ARK
BRAKE
DR
11
C
C
11
CC
B
A
DR
11
C
C
11
CC
DR
11
C
C
11
CC
ST
ANDARD-V
ARIABLE
ST
ANDARD-V
ARIABLE
SPEED
F
AN
DRIVE
SPEED
FA
N
DRIVE
A
B
3.45
BAR
3.45
BAR
FIL
TER,
RETURN
FIL
TER,
RETURN
26.2
BAR
26.2
BAR
X1
X2
T2
G
SM
A
A
B
MB
Fa
MH
Yst
MH
Yst
PS
T1
R
FIL
TER,
CHARGE
FIL
TER,
CHARGE
3.45
BAR
3.45
BAR
OPTION-V
AR
SPEED
&
OPTION-V
A
R
SPEED
&
REVERSING
F
AN
DRIVE
REVERSING
FA
N
DRIVE
A
B
CYLINDER,
LIFT
CYLINDER,
LIFT
AUX
TIL
T
V
A
L
VE,
PILOT
SELECT
V
A
L
VE,
PILOT
S
ELECT
T
3A
3B
P2
P1
P3
P4
P5
P6
JS2
JS4
TELE
A
B
C
D
E
F
G
H
8
8
MAL2710B