JLG G12-55A Service Manual - Manual (Page 127)

8-11 G10-55A, G12-55A
Hydraulic System
8.4.3 Hydraulic Schematic (Continued)
S/N 0160037877 & After
LEFT
OUTRIGGER
CYLINDER
RIGHT
OUTRIGGER
CYLINDER
LOD
LOU
ROD
COMPENSA
TING
COMPENSA
TING
CYLINDER
1
2
PR P JS LS SLS
T
T
O
PUMP
TO
PUMP
(SEE
SHEET
1)
(SEE
SHEET
1)
1
2
5000 PSI
LIFT
CYLINDER
LIFT
CYLINDER 5000 PSI
LIFT
CYLINDER
5000 PSI
ROU
RT
T
LUP
CIN
LDN
COUT
5000 PSI
5000 PSI
.050.050
SW
A Y
CYLINDER
JOYSTICK
T P
1
2
3
4
.040
CROWD
CYLINDER
CROWD
CYLINDER
TIL
T
CYLINDER
TIL
T
CYLINDER
T P
LEFT
AND
RIGHT
LEFT
AND
RIGHT
OUTRIGGER
JOYSTICK
OUTRIGGER
JOYSTICK
SW
A Y
AUX
T2
"QD'S"
DECOMPRESSION VA
LV
E
1
2
1
2
T P
SLS
INLET GAGE GAGE
HPCO
PR
LS
T
PRIORITY
FLOW
INLET
PRIORITY
FLOW
INLET
2600psi
3400psi
B
A
3300psi
PP
A
LIFT
B
A
3300psi
3300psi
PP
A
CROWD
B
A
4100psi
PP
A
LEFT
O/R
LEFT
O/R
B
A
4100psi
PP
A
RIGHT
O/R
B
A
PP
A SW
A
Y
B
A
PP
A
AUX
B
A
4100psi
4100psi
TIL
T
PILOT
SUMP
OUTLET
P
3000psi
3000psi
MAL0710-C